CN101200902A - Construction method for concrete shaft wall module masonry - Google Patents
Construction method for concrete shaft wall module masonry Download PDFInfo
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- CN101200902A CN101200902A CNA2007101914039A CN200710191403A CN101200902A CN 101200902 A CN101200902 A CN 101200902A CN A2007101914039 A CNA2007101914039 A CN A2007101914039A CN 200710191403 A CN200710191403 A CN 200710191403A CN 101200902 A CN101200902 A CN 101200902A
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- 239000004567 concrete Substances 0.000 title claims abstract description 85
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000009412 basement excavation Methods 0.000 claims abstract description 24
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 239000004575 stone Substances 0.000 claims description 26
- 239000011449 brick Substances 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 22
- 230000010412 perfusion Effects 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000011440 grout Substances 0.000 claims description 4
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000004570 mortar (masonry) Substances 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000001802 infusion Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 239000002585 base Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 229910001374 Invar Inorganic materials 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- -1 heat Substances 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 101100366940 Mus musculus Stom gene Proteins 0.000 description 1
- 241000353135 Psenopsis anomala Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Abstract
The present invention relates to a masonry construction method of the wall modules of a concrete shaft wall. The method includes eight steps: (1) the excavation of earth: according to location dimension, the excavation of earth is carried out; (2) the casting of foundation cushion concrete: according to positioning sidelines and an elevation, the foundation cushion concrete is casted; (3) the casting of foundation mat concrete; (4) the masonry of the wall modules: according to the sizes of the arranged blocks, the wall modules are piled up and the masonry matches holes, so that upper-lower and left-right tongue-and-grooves are aligned with one another; (5) the infusion of concrete: the concrete is compacted by a vibrating rod or a steel reinforcement; (6) the installation of precast lintels and cover slabs: slab joints are caulked; (7) the masonry of an inspection well; (8) the backfilling of earth: unbackfilled trenches around the wall body are backfilled at the same time. Because the present invention applies the construction method of compacting the infused mortar, the effect of compaction is ensured, thus enhancing the anti-shearing property of the wall body. Moreover, because the requirements on construction are restrict, the built wall body is firm and is not easily loosened, thus preventing the phenomenon of leakage. The present invention reduces the waterproof working procedures of the wall body, thus shortening the construction period and reducing the cost.
Description
Technical field
The present invention relates to a kind of construction techniques, specifically relate to a kind of gas column job practices of concrete shaft wall module of the emboss pit with mutual chain lock.Belong to construction engineering technical field.
Background technology
Any building building all must have supporting infrastructure, as: all kinds of manholes, inlet for stom water, box drain, septic tank and the small-sized structure etc. of draining, water storage facility.Building these infrastructure in the past by laying bricks or stones, all is brick mix structure, because parallel seams, impervious weak effect are adopted in the city; In addition, brick mix structure needs great amount of water resources, and mud contamination is arranged, and pollutes big; After building wall is good, also will smear waterproofing course on external and internal wall, also lose time when increasing cost, work efficiency is slow.
Also have now and adopt special-purpose well wall body module when constructing at the scene, used well wall body module has the emboss pit that cooperatively interacts at four sides up and down, blocks mutually when building by laying bricks or stones, is in the milk in intermediate void then, tamping.But because the intermediate portion is except the hole that wears reinforcing bar, UNICOM not each other, in the tamping of being in the milk, cause hole or hollowing easily, make overall structure firm inadequately, and also make waterproof, leakage performance bad, need carry out waterproofing work again in the inside and outside of body of wall, cause the duration longer, increase cost.And shear behavior is also not satisfactory, also causes taking place the seepage phenomenon easily.And, when construction, also need cement mortar, when increasing cost, also environment is caused very big pollution, unfavorable to civilized construction.
Summary of the invention
Be to solve the deficiencies in the prior art, the object of the present invention is to provide and a kind ofly can effectively prevent seepage, improve shear behavior, do not need to do again waterproofing work, and greatly the reduction of erection time, reduce cost construction method for concrete shaft wall module masonry.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of construction method for concrete shaft wall module masonry is characterized in that comprising with the next stage:
(1) soil excavation: carry out soil excavation according to location dimension;
(2) cast foundation pad concrete: soil excavation is carried out suitable finishing according to sideline, location and absolute altitude, carry out the cast of foundation pad concrete, the cushion layer concrete surface is floating, emit the position line of sole plate and wall module masonry on its surface, the position line of wall module masonry is convenient to the location of vertical reinforcement;
(3) build the sole plate concrete: according to designing requirement construction sole plate, behind the base plate reinforcing bar binding, pile up first floor module before building the sole plate concrete, and take fixation, prevent that first floor module is floating, up and down dislocation; Pre-buried vertical reinforcement in the module hole, the filling core concrete of first floor module must be built synchronously with the sole plate concrete;
(4) vallum phantom piece:
1., require the double-sided belt line, carry out grievances according to the size of row's piece, the hole is built by laying bricks or stones, foreign material are in time cleared up in the hole, and guarantee that its tongue and groove about reaching up and down aims at mutually;
2., the grievances height is as the criterion with four to five skins, should not surpass five skins, and guarantee the tongue and groove level that it is suitable for reading, every base one skin is just placed horizontal reinforcement according to designing requirement thereon;
3., devious slightly for wall body module because of its specification, adopt the module levelling of cutting out saw at its tongue and groove position;
4., vertical reinforcement within the walls, before building the back grout by laying bricks or stones, insert, all must insert in each hole;
(5) perfusion concrete:
1., adopt diameter to vibrate back and forth or reinforcing bar that diameter is not less than Φ 16 carries out tamping less than the internal vibration rod of 30mm, fast inserting taken out slowly;
Vibrating spear is not run into the building block hole wall when 2., vibrating;
3., vibrating time requires: slurries overflow from ribbet and get final product;
4., produce displacement, before the perfusion concrete, body of wall is carried out bracing reinforcement in order to prevent body of wall;
(6) precast lintel and cover plate are installed: after the perfusion concrete finishes, precast lintel and cover plate are installed, are need not to sit slurry;
(7) the plate seam is filled out embedding: closely knit with the perfusion of C20 fine-stone concrete to the plate seam;
(8) build manhole by laying bricks or stones: the manhole pit shaft adopts arc module masonry, ductile iron five preventing well covers;
(9) backfill: fertile groove backfill simultaneously around the body of wall.
Aforesaid construction method for concrete shaft wall module masonry is characterized in that in the described soil excavation stage, must take corresponding side slope strutting means when cutting depth surpasses 1.5m; When adopting mechanical equivalent of light excavation, should keep and be no less than the artificial clear groove of the thick soil layer employing of 100mm.
Aforesaid construction method for concrete shaft wall module masonry is characterized in that in the described soil excavation stage, no matter was mechanical equivalent of light excavation or artificial grooving, did not all answer disturbance base soil or backbreak; Ruo Fashengji regolith disturbance or when backbreaking then must be carried out ground and handle.
Aforesaid construction method for concrete shaft wall module masonry is characterized in that in the described soil excavation stage, when in the scope of the following 500mm of design ground basal surface underground water being arranged, taked construction to fall drainage measure.
Aforesaid construction method for concrete shaft wall module masonry is characterized in that building by laying bricks or stones the manhole stage described, and is firm with the C20 concrete around the well lid, and the well lid 100mm that is above the ground level has to be not less than 1% outside drainage grade on every side.
Aforesaid construction method for concrete shaft wall module masonry is characterized in that must not using heavy-duty machinery in the described backfill stage during backfill, and the both sides backfill discrepancy in elevation is not more than 300mm, and the coefficient of consolidation of earth backing is not less than 0.93.
The invention has the beneficial effects as follows: construction method for concrete shaft wall module masonry of the present invention, owing to adopt the module of middle fin of band and intermediate groove, and adopt and irritate the job practices that mortar carries out tamping, strengthened the shear behavior of body of wall.Simultaneously, because middle fin is that arc is connected with left and right side frame, the effect when having guaranteed tamping.In addition, because the construction requirement strictness, the body of wall of being built by laying bricks or stones is comparatively firm, can not become flexible easily, prevents the seepage phenomenon; And reduced the operation of on body of wall, doing waterproof, and shorten man-hour, reduce cost.
Description of drawings
Fig. 1 is the front view of concrete shaft wall module used in the present invention;
Fig. 2 is the vertical view of concrete shaft wall module used in the present invention.
The implication of major part Reference numeral explanation in the accompanying drawing:
1, goes up datum 2, following datum
3, preceding datum 4, back datum
5, groove 6, fin
7, groove 8, intermediate groove
9, middle fin 10, connection rib
11, left frame 12, left frame
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is done concrete being described below.
Fig. 1 is the front view of concrete shaft wall module used in the present invention; Fig. 2 is the vertical view of concrete shaft wall module used in the present invention.
As shown in the figure, concrete shaft wall module used in the present invention, comprise left frame 12, left frame 11 and be connected rib 10, on the last datum 1 of on the left side frame 12 and left frame 11, following datum 2, preceding datum 3 and the back datum 4, be provided with groove 5 and fin 6 respectively accordingly, datum 1 middle part is provided with intermediate groove 8 on connection rib 10, fin 9 in the middle of the middle part of datum 2 is provided with down; Middle fin 9 and left frame 12, left frame 11 are connected by arc.Arc connects space, the UNICOM left and right sides, formed space, tamping easily.On the joint face of intermediate groove 8 and left frame 12, left frame 11, be respectively equipped with twice groove 7.Like this, when building by laying bricks or stones, in groove 7, can place horizontal reinforcement, and overlap joint is convenient, need not work such as colligation.
Be provided with respectively around fin 6 and groove 5 on the left side frames 12 and the left frame 11, carrying out is on the last datum 1 of on the left side frame 12 as shown in the figure and the preceding datum 3 groove to be set, datum 2 down and after fin is being set on the datum 4; On the preceding datum 3 of frame 11 and the following datum 2 fin is set on the right, at last datum 1 with afterwards on the datum 4 groove is set, like this when sign indicating number is built can about additional mutually, play the effect of shearing resistance and antiseep better.
Module used in the present invention is processed by match ratio by sand, stone, cement, flyash etc., and cost is lower.
Building construction method of the present invention comprises: soil excavation → cast foundation pad concrete → build sole plate concrete → vallum phantom piece → perfusion concrete → installation precast lintel and cover plate → plate seam is filled out embedding → build by laying bricks or stones manhole → backfill.
Be specially:
1, soil excavation
Carry out soil excavation according to location dimension, when cutting depth surpasses 1.5m, must take corresponding side slope strutting means.When adopting mechanical equivalent of light excavation, should keep and be no less than the artificial clear groove of the thick soil layer employing of 100mm.No matter be mechanical equivalent of light excavation or artificial grooving, all do not answer disturbance base soil or backbreak that Ruo Fashengji regolith disturbance or when backbreaking then must be carried out ground and handle.When in the scope of the following 500mm of design ground basal surface underground water being arranged, should take effectively construction to fall drainage measure, guarantee the bottom land operating condition.After fluting reaches design altitude, should be together with parties concerned's check of foundation subsoil.
2, cast foundation pad concrete
According to sideline, location and absolute altitude soil excavation is carried out suitable finishing, carry out the cast of foundation pad concrete, the cushion layer concrete surface is floating, emits the position line of sole plate and wall module masonry on its surface, and the position line of wall module masonry is convenient to the location of vertical reinforcement.
3, build the sole plate concrete
According to designing requirement construction sole plate.Behind the base plate reinforcing bar binding, pile up first floor module before building bottom board concrete, and take fixation, prevent that first floor module is floating, up and down dislocation.Pre-buried vertical reinforcement in the module hole.The filling core concrete of first floor module must be built synchronously with bottom board concrete.
4, vallum phantom piece
(1), require the double-sided belt line, carry out grievances according to the size of row's piece, the hole is built by laying bricks or stones, foreign material are in time cleared up in the hole, and guarantee that its tongue and groove about reaching up and down aims at mutually.
(2), the grievances height is as the criterion with four to five skins, should not surpass five skins, and guarantee the tongue and groove level that it is suitable for reading, every base one skin just requires to place horizontal reinforcement according to design drawing thereon, lap length 37d need not colligation.
(3), devious slightly for interlocking concrete block because of its specification, adopt the module levelling of cutting out saw at its tongue and groove position.
(4), vertical reinforcement within the walls, before building the back grout by laying bricks or stones, insert, all must insert in each hole, lapped length of steel bar 37d need not colligation.
5, perfusion concrete
(1), adopt diameter to vibrate back and forth or reinforcing bar that diameter is not less than Φ 16 carries out tamping less than the internal vibration rod of 30mm, accomplish that fast inserting take out slowly.Concrete strength grade is C25, and the slump of Commercial Concrete is 180-200mm; The slump from stirring concrete is 120-140mm, joins the result from the match ratio of stirring concrete according to the examination of test room and carries out.
Require vibrating spear not run into the building block hole wall when (2), vibrating.
(3), vibrating time requirement slurries overflow from ribbet and get final product.
(4), produce displacement, before the perfusion concrete, body of wall is carried out bracing reinforcement in order to prevent body of wall.
6, precast lintel and cover plate are installed
After the perfusion concrete finishes, precast lintel and cover plate are installed, are need not to sit slurry.
7, the plate seam is filled out embedding
Closely knit to the plate seam with the perfusion of C20 fine-stone concrete.
8, build manhole by laying bricks or stones
The inspection eye pit shaft adopts the arc module masonry, and is firm with the C20 concrete around ductile iron five preventing well covers, well lid, and the well lid 100mm that should be above the ground level should have to be not less than 1% outside drainage grade on every side.
9, backfill
The backfill simultaneously of fertile groove must not be used heavy-duty machinery during backfill around the structure, and the both sides backfill discrepancy in elevation is not more than 300mm, and the coefficient of consolidation of earth backing should be not less than 0.93.
Employed material and equipment among the present invention:
1, cement
Adopt label to be not less than 32.5 Portland cement or portland cement, quality should meet the regulation requirement of " GB175-1999 ", and the retrial of marching into the arena is qualified.
2, reinforcing bar
Should adopt II level or III grade reinforcing steel, should carry out the physical and mechanical property test before using, the retrial of marching into the arena is qualified, and welding piece should be done welding quality and detect.
3, fines
Fines adopts medium sand, and the mud content of sand is not more than 3% by weight, and quality should meet " JGJ52-2006 " standard.
4, coarse aggregate
Particle diameter is less than rubble or the melon seeds sheet of 20mm, and mud content is not more than 3% by weight, and quality should meet " JGJ53-2006 " standard.
5, concrete shaft wall module
Strength grade is not less than MU10, and what lack stupefied arrisdefect need not.
6, reinforcing cage is made
Cutting machine, straightener etc.
7, concrete stirring system
(1) mixer, pound title, small handcart, spade etc.
(2) require to stir, accurate measurement.
(3) as adopting commercial concrete, should sign supply of material technical protocol, clearly must meet " prevention concrete structure engineering alkali rules " in the agreement with commercial concrete unit.
8, concrete casting injection system
Automotive pump, vibrating spear etc.
9, measuring apparatus
Level gauge, transit, invar tape, Sopwith staff, slump cone etc.
10, points for attention
(1), advancing material must ensure the quality of products and meet the requirements.
(2), institute advances that equipment will work well, satisfactory mechanical property, must observe the mechanically actuated rules.
Main plant allocation list
| Sequence number | Title | Model, specification | | Remarks | |
| 1 | |
1 | |||
| 2 | Concrete is irritated car | 10m 3 | Some | ||
| 3 | Straightener | ZB4-500 | 1 | ||
| 4 | Cutting machine | JG-400 | 2 | ||
| 5 | | 350L | 1 | ||
| 6 | | J2 | 1 | ||
| 7 | | DSZ2 | 1 | ||
| 8 | | 50m | 1 | ||
| 9 | | 5m | 3 | ||
| 10 | | 1000kg | 2 | ||
| 11 | Vibrating head | 30 | 4 |
(3) length of time not enough 28d and moist building block must not be built by laying bricks or stones, and the block strength grade must not be lower than MU10, and adopts the concrete grout of strength grade 〉=C25 to irritate real.
(4) masonry panel will have been built simultaneously, must not stay tiltedly and consult.Building block is arranged upper and lower skin and is answered the fissure of displacement to take block, and the hole, hole is relative.
(5) examination of per pass operation, the next procedure of must after acceptance(check) is managed at the scene, being allowed for access construction.
Because concrete shaft wall module volume appropriateness, weight is reasonable, transports and load and unload very convenient, and module can be prefabricated by the requirement design of different masonries.Therefore as long as determined the size of each layer when constructing, to build by laying bricks or stones and be equivalent to step-by-step and pile up, speed of application is fast.And need not cement mortar when building by laying bricks or stones, waterproof that it goes without doing after building by laying bricks or stones has improved work efficiency and civilized construction degree.
Concrete shaft wall module laterally, is vertically built the back by laying bricks or stones and is formed the netted stereochemical structure that vertical Kong Kongxiang passes through, the transverse holes hole communicates, in job practices of the present invention, in reticulated cell, pour into concrete, make body of wall be linked to be integral body, further improve integrality of wall, make the level that effect reaches Cast-in-place concrete of building by laying bricks or stones, need not use other seepage control measure and just can play good anti-leakage effect, improve the bulk strength of body of wall, strengthened the anti-leakage ability.
The present invention can be widely used in municipal underground structures such as coal, heat, water, electricity, gas, and applicable to the bridge aileron.
The foregoing description does not limit the present invention in any form, and all technical schemes that mode obtained of taking to be equal to replacement or equivalent transformation all drop in protection scope of the present invention.
Claims (6)
1. construction method for concrete shaft wall module masonry is characterized in that comprising with the next stage:
(1) soil excavation: carry out soil excavation according to location dimension;
(2) cast foundation pad concrete: soil excavation is carried out suitable finishing according to sideline, location and absolute altitude, carry out the cast of foundation pad concrete, the cushion layer concrete surface is floating, emit the position line of sole plate and wall module masonry on its surface, the position line of wall module masonry is convenient to the location of vertical reinforcement;
(3) build the sole plate concrete: according to designing requirement construction sole plate, behind the base plate reinforcing bar binding, pile up first floor module before building the sole plate concrete, and take fixation, prevent that first floor module is floating, up and down dislocation; Pre-buried vertical reinforcement in the module hole, the filling core concrete of first floor module must be built synchronously with the sole plate concrete;
(4) vallum phantom piece:
1., require the double-sided belt line, carry out grievances according to the size of row's piece, the hole is built by laying bricks or stones, foreign material are in time cleared up in the hole, and guarantee that its tongue and groove about reaching up and down aims at mutually;
2., the grievances height is as the criterion with four to five skins, should not surpass five skins, and guarantee the tongue and groove level that it is suitable for reading, every base one skin is just placed horizontal reinforcement according to designing requirement thereon;
3., devious slightly for wall body module because of its specification, adopt the module levelling of cutting out saw at its tongue and groove position;
4., vertical reinforcement within the walls, before building the back grout by laying bricks or stones, insert, all must insert in each hole;
(5) perfusion concrete:
1., adopt diameter to vibrate back and forth or reinforcing bar that diameter is not less than Φ 16 carries out tamping less than the internal vibration rod of 30mm, fast inserting taken out slowly;
Vibrating spear is not run into the building block hole wall when 2., vibrating;
3., vibrating time requires: slurries overflow from ribbet and get final product;
4., produce displacement, before the perfusion concrete, body of wall is carried out bracing reinforcement in order to prevent body of wall;
(6) precast lintel and cover plate are installed: after the perfusion concrete finishes, precast lintel and cover plate are installed, are need not to sit slurry;
(7) the plate seam is filled out embedding: closely knit with the perfusion of C20 fine-stone concrete to the plate seam;
(8) build manhole by laying bricks or stones: the manhole pit shaft adopts arc module masonry, ductile iron five preventing well covers;
(9) backfill: fertile groove backfill simultaneously around the body of wall.
2. construction method for concrete shaft wall module masonry according to claim 1 is characterized in that in the described soil excavation stage, must take corresponding side slope strutting means when cutting depth surpasses 1.5m; When adopting mechanical equivalent of light excavation, should keep and be no less than the artificial clear groove of the thick soil layer employing of 100mm.
3. construction method for concrete shaft wall module masonry according to claim 2 is characterized in that in the described soil excavation stage, no matter was mechanical equivalent of light excavation or artificial grooving, did not all answer disturbance base soil or backbreak; Ruo Fashengji regolith disturbance or when backbreaking then must be carried out ground and handle.
4. according to claim 2 or 3 described construction method for concrete shaft wall module masonry, it is characterized in that, when in the scope of the following 500mm of design ground basal surface underground water being arranged, take construction to fall drainage measure in the described soil excavation stage.
5. construction method for concrete shaft wall module masonry according to claim 1 is characterized in that building by laying bricks or stones the manhole stage described, and is firm with the C20 concrete around the well lid, and the well lid 100mm that is above the ground level has to be not less than 1% outside drainage grade on every side.
6. construction method for concrete shaft wall module masonry according to claim 1 is characterized in that must not using heavy-duty machinery in the described backfill stage during backfill, and the both sides backfill discrepancy in elevation is not more than 300mm, and the coefficient of consolidation of earth backing is not less than 0.93.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101914039A CN100523394C (en) | 2007-12-19 | 2007-12-19 | Construction method for concrete shaft wall module masonry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101914039A CN100523394C (en) | 2007-12-19 | 2007-12-19 | Construction method for concrete shaft wall module masonry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101200902A true CN101200902A (en) | 2008-06-18 |
| CN100523394C CN100523394C (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101914039A Expired - Fee Related CN100523394C (en) | 2007-12-19 | 2007-12-19 | Construction method for concrete shaft wall module masonry |
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| Country | Link |
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| CN (1) | CN100523394C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644295A (en) * | 2012-04-28 | 2012-08-22 | 江苏阳湖建设项目管理有限公司 | Construction method for preventing peripheral and local sedimentation of road surface inspection well |
| CN108505750A (en) * | 2018-03-27 | 2018-09-07 | 南京汤泉建设集团有限公司 | Build tool and method by laying bricks or stones in house |
| CN109680732A (en) * | 2019-01-18 | 2019-04-26 | 江苏南通六建建设集团有限公司 | A kind of observing and controlling tool built for closing in type circular inspection well |
| CN110485452A (en) * | 2019-08-20 | 2019-11-22 | 中国建筑第八工程局有限公司 | Isolated footing and its construction method constructed in supporting course |
-
2007
- 2007-12-19 CN CNB2007101914039A patent/CN100523394C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644295A (en) * | 2012-04-28 | 2012-08-22 | 江苏阳湖建设项目管理有限公司 | Construction method for preventing peripheral and local sedimentation of road surface inspection well |
| CN108505750A (en) * | 2018-03-27 | 2018-09-07 | 南京汤泉建设集团有限公司 | Build tool and method by laying bricks or stones in house |
| CN108505750B (en) * | 2018-03-27 | 2020-10-27 | 南京汤泉建设集团有限公司 | House masonry tool |
| CN109680732A (en) * | 2019-01-18 | 2019-04-26 | 江苏南通六建建设集团有限公司 | A kind of observing and controlling tool built for closing in type circular inspection well |
| CN109680732B (en) * | 2019-01-18 | 2024-04-02 | 江苏南通六建建设集团有限公司 | Measurement and control tool for closed-type circular inspection well masonry |
| CN110485452A (en) * | 2019-08-20 | 2019-11-22 | 中国建筑第八工程局有限公司 | Isolated footing and its construction method constructed in supporting course |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100523394C (en) | 2009-08-05 |
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