CN203668942U - Pile protective self-hanging thin plate in supporting structure of deep foundation pit - Google Patents
Pile protective self-hanging thin plate in supporting structure of deep foundation pit Download PDFInfo
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- CN203668942U CN203668942U CN201420034176.4U CN201420034176U CN203668942U CN 203668942 U CN203668942 U CN 203668942U CN 201420034176 U CN201420034176 U CN 201420034176U CN 203668942 U CN203668942 U CN 203668942U
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- thin plate
- foundation pit
- hanging
- supporting structure
- deep foundation
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- 230000001681 protective effect Effects 0.000 title abstract 7
- 239000004567 concrete Substances 0.000 claims abstract description 31
- 239000002689 soil Substances 0.000 claims abstract description 21
- 239000011083 cement mortar Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 12
- 239000004570 mortar (masonry) Substances 0.000 abstract description 10
- 238000010257 thawing Methods 0.000 abstract description 6
- 239000004568 cement Substances 0.000 abstract description 5
- 230000001788 irregular Effects 0.000 abstract description 5
- 238000004904 shortening Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to an inter-pile protective self-hanging thin plate in a supporting structure of a deep foundation pit. The supporting structure of the deep foundation pit is composed of a plurality of supporting piles and curtain piles which are arranged on the side wall of the deep foundation pit and mutually engaged and lap-jointed, the self-hanging thin plate is arranged between each two adjacent supporting piles, gaps exist between two ends of a vertical plane formed by the inter-pile protective self-hanging thin plate and two adjacent supporting piles, the gaps are combined with the self-hanging plate and the two adjacent supporting piles into a whole after being filled with cement mortar or cement and soil mortar. According to the inter-pile protective self-hanging thin plate in the supporting structure of the deep foundation pit provided by the utility model, the concrete inter-pile protective part can be prevented from cycle of freezing and thawing, large-area layering and caking, dropping and destruction, the problems that the vertical plane constituting the inter-pile protective part is extremely irregular and occupies the space position of a redundant groove can be solved; furthermore, the inter-pile protective self-hanging thin plate in the supporting structure of the deep foundation pit has the advantages of low cost, convenience and rapidness in construction and mounting, shortening construction period and the like.
Description
Technical field
The utility model relates to civil engineering underground construction technical field, is specifically related to the structure between the adjacent two steel concrete soldier piles of a kind of deep foundation pit supporting structure, particularly between the stake in a kind of deep foundation pit supporting structure, protects thin from link plate.
Background technology
With sprayed mortar spray deep foundation pit supporting structure adjacent two steel concrete soldier piles (be called for short: " soldier pile ", lower with) between the metope that forms of hole wall side elevation be referred to as to protect between stake (be called for short: " between stake, protecting " lower with).
The prior art of protecting between stake at present: all adopt first plug-in reinforced mesh, the way of rear sprayed mortar completes.Soil between the soldier pile in deep foundation pit supporting structure is in moisture state, while being in the soil between adjacent two soldier piles that groundwater table is subject to influence on groundwater below, between the stake that adopts sprayed mortar to form, protect in overwintering season freeze thawing, all there is the large area layering caking hollowing phenomenon that comes off in circulation, between the stake that sprayed mortar forms, protect and occurred destructive destruction, between stake now, protect the effect of protecting between stake that do not have.Because all adopting soldier pile and the mutual interlock overlap joint of cement-soil curtain pile, supporting and protection structure forms, all there is vertical missing in the stake that existing construction machinery is made use, pile position deviation, stake footpath deviation (" JGJ94-2008, P85 shows 6.2.4 "), due to the more than 95% single stake of the single supporting curtain of formation or to left avertence, to right avertence, inclined to one side forward, to retrodeviating, making actual mutual interlock of making overlap single supporting curtain is curve-like rather than linearity, in addition the soil body perpendicular cuts between adjacent two soldier piles is irregular when foundation ditch vertical cut, make the soil body between adjacent two soldier piles all not in same plane, all in a rough irregular curved surface close to vertical plane, the outward appearance utmost point out-of-flatness of the vertical plane protecting between the stake that sprayed mortar forms, the utmost point is not attractive in appearance.
Utility model content
In order to overcome the deficiencies in the prior art part, the purpose of this utility model is just: provide in a kind of deep foundation pit supporting structure stake between protect thin from link plate, can avoid protecting between sprayed mortar stake that freeze thawing circulation, large area layering are lumpd, come off, catastrophic collapse, and the generation of the vertical plane irregular problem of protecting between formation stake, and cost is low, the benefits such as construction install convenience is quick, shortening construction period.
The purpose of this utility model is achieved through the following technical solutions:
Between the stake in a kind of deep foundation pit supporting structure, protect from hanging thin plate, described deep foundation pit supporting structure is formed by some soldier pile and the mutual interlock overlap joints of curtain pile that are arranged on deep-foundation side wall, between adjacent two soldier piles, arrange from hanging thin plate, there is gap from being connected between the two ends that hang the facade that protects formation between sheeting pile and adjacent two soldier piles, after inserting cement mortar or soil cement mortar in described gap and between oneself extension thin plate, adjacent two soldier piles in conjunction with as a whole.
Further, described in be arranged between adjacent two soldier piles from link plate, between the same stake between adjacent two steel concrete soldier piles, protect, certainly hang thin plate and adopt identical shape.
Further, described thin from the positive radian line segment of being shaped as of link plate, straightway or anti-radian line segment, it is all less than 10mm from the thickness of slab of hanging thin plate.
Preferably, on soldier pile sidewall, along soldier pile sidewall short transverse spacing, boring is set, inserts in described boring with 90 ° of expansion bolts of hook upwards, the described thin two ends from link plate hang on hook.
Further preferred, along soldier pile sidewall short transverse spacing, boring is set, described spacing is set to 0.5-2.0 meters.
Further preferred, described with the expansion bolt of hook upwards, vertically upward, the other end of expansion bolt is inserted in the hole of having holed on steel concrete soldier pile in one end that expansion bolt 90 is spent right angle.
Particularly preferred, the two ends that certainly hang thin plate that are arranged between adjacent two soldier piles all connect and are connected between described adjacent two soldier piles certainly hanging thin plate with the articulated mounting of scalable adjusting.
Further particularly preferred, described articulated mounting is the mother that hangs with scalable adjusting, wherein hang female one end cover hang over described in upwards on 90 ° of hooks, hang female other end for longer Metallic rod, insert to be embedded in from hanging and in thin plate, double as that the hollow steel pipe of horizontal reinforcement is interior to be saved as adjustable telescopic.Its insertion depth can the on-the-spot real size of shallow root Ju regulate deeply.
The beneficial effects of the utility model:
Between the stake in a kind of deep foundation pit supporting structure that the utility model provides, protect from hanging thin plate, can avoid protecting between sprayed mortar stake that freeze thawing circulation, large area layering are lumpd, come off, catastrophic collapse, and the vertical plane irregular protecting between formation stake and the generation that does not take fertile slot space position etc. problem, and cost is low, the benefits such as construction install convenience is quick, shortening construction period.
Accompanying drawing explanation
Fig. 1: protect between deep foundation pit supporting structure stake and the plane projection face (foundation pit supporting construction floor map) forming from link plate;
Fig. 2: thin from cladding panel structure schematic diagram between stake between protecting
2(a): the front view of certainly hanging thin plate between protecting between stake;
2(b): the thin side elevational view from link plate between protecting between stake;
2(c)-1: the thin top view from link plate (being shaped as straightway from link plate) between protecting between stake;
2(c)-2: the thin top view from link plate (from the positive radian line segment of link plate shape) between protecting between stake;
2(c)-3: the thin top view from link plate (from link plate shape reverse radian line segment) between protecting between stake;
Fig. 3: articulated mounting (hanging mother) schematic diagram;
Fig. 4: the expansion bolt schematic diagram that carries 90 ° of hooks.
Wherein, the code name of this product all parts is in the drawings expressed as: 1, steel concrete poured support stake; 2, cement-soil curtain pile; 3, the deep-foundation side wall slope body soil body; 4, the fertile groove in foundation ditch; 5, hole and insert the expansion bolt that carries 90 ° of hooks at steel concrete poured support stake sidewall, hook upwards, is set to 0.5～2.0m spacing along short transverse spacing; 6, the useless slurry blind that the second stage of cement mortar or second stage concrete or high-pressure rotary-spray return out; 7, the useless slurry that cement-soil composite mortar or high-pressure rotary-spray return out is filled with joint filling gap; 31, the calculus body after the useless slurry of the cement-soil final set that concrete or cement-soil or cement mortar or high-pressure rotary-spray return out; 32, silk screen; 33, articulated mounting (hanging the suspension ring in mother), cover hangs on 90 ° of hooks upwards; 34, the horizontal reinforcement substituting in link plate can double as sleeve pipe with steel sleeve or cable conduct; 35, hang the adjustable solid metal expansion coupling in mother;
Wherein: Fig. 2 (a) is from the elevation of hanging thin plate;
Wherein: Fig. 2 (b) is from the side elevational view of hanging thin plate;
Wherein: Fig. 2 (c) is from the plan view of link plate
At Fig. 2 (c), in the plan view of link plate, total straight line segment type, positive radian line segment type, these three kinds of anti-radian line segment types are typical difform from link plate, are respectively Fig. 2 (c)-1; Fig. 2 (c)-2; Shown in Fig. 2 (c)-3.
Wherein in Fig. 3: protect between stake from hanging the articulated mounting of thin plate for hanging mother, the two forms by suspension ring and suspension rod to hang mother.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
Embodiment 1: protect between the stake in a kind of deep foundation pit supporting structure from hanging thin plate, described deep foundation pit supporting structure is formed by some soldier pile and the mutual interlock overlap joints of curtain pile that are arranged on deep-foundation side wall, between adjacent two soldier piles, arrange thin from link plate, be connected and have gap from hanging between the two ends of the facade that protects formation between sheeting pile and adjacent two soldier piles, after inserting cement mortar or soil cement mortar in described gap and thin between link plate, adjacent two soldier piles in conjunction with as a whole.Arrange after as a whole and can protect the curtain pile between adjacent concrete soldier pile, avoid curtain pile freeze thawing circulation to occur and the generation of fracture collapse accident event.
Wherein, described in be arranged on the thin plate of extension certainly between adjacent two soldier piles, between the same stake between adjacent two steel concrete soldier piles, protect, certainly hang thin plate and adopt identical shape; In Fig. 2 (c)-1, Fig. 2 (c)-2, Fig. 2 (c)-3, enumerate three kinds of situations of certainly hanging the positive radian line segment of being shaped as of thin plate, straightway or anti-radian line segment:
Category-A is positive radian line segment, applicable situation: category-A is that a wherein soldier pile 1 verticality small eccentricity in adjacent two steel concrete soldier piles 1 is on axis, another root soldier pile 1 verticality bias is more greatly in axis outside, one of them cement earth pile 2 verticality small eccentricity in cement-soil curtain pile 2 between adjacent two steel concrete soldier piles 1 are on axis, and another root cement earth pile 2 verticality bias are more greatly in axis outside;
Category-B is straightway, applicable situation: category-B is that a wherein soldier pile 1 verticality bias in adjacent two steel concrete soldier piles 1 is more greatly outside axis, another root soldier pile 1 verticality bias is also more greatly in axis inner side, two cement earth piles, 2 verticality bias in cement-soil curtain pile 2 between adjacent two steel concrete soldier piles 1 are all larger, all beyond axis;
C class is anti-radian line segment, applicable situation: C class is that two soldier piles, 1 verticality bias in adjacent two steel concrete soldier piles 1 is all more all in axis inner side, two cement earth piles, 2 verticality bias in cement-soil curtain pile 2 between adjacent two steel concrete soldier piles 1 are all larger, all beyond axis.
What specify is, be not limited to three kinds of situations of positive radian line segment, straightway or anti-radian line segment from the shape of hanging thin plate, the stake position situation that can occur according to reality, as long as protect between the same stake between adjacent two steel concrete soldier piles, on vertical facade or be all plane, or be all curved surface.
Wherein, on soldier pile sidewall, along 0.5～2.0 meter of soldier pile sidewall short transverse spacing, boring is set, in described boring, insert the expansion bolt with 90 ° of hooks upwards, when installation, the one end at 90 ° of right angles of expansion bolt is placed in orientation vertically upward, the described two ends from link plate hang on 90 ° of hooks upwards by the suspension ring cover hanging in mother in articulated mounting.Be arranged on two ends that certainly hang thin plate between adjacent two soldier piles respectively by the solid metal of hanging the scalable adjusting in mother in hinge joint device, be inserted in the hollow bushing that doubles as horizontal reinforcement being once embedded in link plate.The on-the-spot actual size occurring of its insertion depth root Ju regulates can deeply can be shallow.
Concrete fabrication and installation method from link plate:
First, first anchor cable on foundation pit side-wall is carried out to stretch-draw, again the first floor soil below foundation pit supporting construction sidewall first anchor cable is excavated, in supporting and protection structure, soldier pile and curtain pile have revealed, real size between each adjacent two steel concrete soldier pile is carried out actual measurement and customized size, press A, B, C,-----N, sort out, make difform prefabricated concrete board, secondly, second anchor cable on foundation pit side-wall is carried out to stretch-draw, again the second layer soil below foundation pit supporting construction sidewall second anchor cable is excavated, in supporting and protection structure, soldier pile and curtain pile have revealed, real size between each adjacent two steel concrete soldier pile is carried out to actual measurement, press A, B, C,-----N, sort out, make difform prefabricated concrete board, same shape from link plate be arranged on same type stake between protect between, between the stake of formation same type, protect vertical plane, this vertical plane ground may be plane, also may be curved surface, neat appearance separately, meet code requirement,
Again, the tri-road anchor cables of on foundation pit side-wall are carried out to stretch-draw, again the 3rd layer of soil below foundation pit supporting construction sidewall San road anchor cable is excavated, in supporting and protection structure, soldier pile and curtain pile have revealed, real size between each adjacent two steel concrete soldier pile is carried out to actual measurement, press A, B, C,-----N, sort out, make difform prefabricated concrete board.In like manner, until hole end design elevation.The hinged joint that protects link plate between the preformed pile of correspondingly-shaped is sat in the right seat respectively, certainly hang on the 90 degree hooks of implanting of taking root after adjacent two steel concrete soldier piles.Measure adjacent two steel concrete soldier piles of the same type that real size is identical, adopt same customization stake between protect link plate shape, proper alignment, form an identical plane or an identical curved surface, no matter the vertical plane protecting between the stake forming is plane or curved surface, the actual stake position situation occurring of root Ju, as long as protect between the same stake between adjacent two steel concrete soldier piles, classification is installed, and on vertical facade or be all plane, or is all curved surface.From between link plate stake, protect the plane projection of formation and meet personally Fig. 1, not on same straight line, under if do not occupy, the prerequisite of fertile slot space position carries, neat appearance, this allows in standard.If do not occupy under the prerequisite of fertile slot space position from the facade that protects formation between link plate stake, neat appearance, this allows in standard.Be connected and have gap from protecting between link plate stake between two ends of facade of formation and adjacent two soldier piles; adopt the second stage of cement mortar or soil cement mortar rebasing and floating whole as a whole after cementing; can protect the curtain pile between adjacent concrete soldier pile; avoid curtain pile freeze thawing circulation that the generation of fracture collapse accident event occurs; substitute former sprayed mortar and done the technique of protecting between stake; convenient and swift, cheap, economical and practical.
Above-described embodiment is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Everyly belong to apparent variation or the still row in protection domain of the present utility model of variation that the technical solution of the utility model extends out.
Claims (9)
1. between the stake in a deep foundation pit supporting structure, protect from hanging thin plate, described deep foundation pit supporting structure is formed by some soldier pile and the mutual interlock overlap joints of curtain pile that are arranged on deep-foundation side wall, between adjacent two soldier piles, arrange from hanging thin plate, it is characterized in that: be connected and have gap from protecting between link plate stake between the two ends of facade of formation and adjacent two soldier piles, after inserting cement mortar or soil cement mortar in described gap and from hanging between thin plate, adjacent two soldier piles in conjunction with as a whole.
2. between the stake in a kind of deep foundation pit supporting structure, protect from hanging thin plate according to claim 1, it is characterized in that: described in be arranged on the thin plate of extension certainly between adjacent two soldier piles, between the same stake between adjacent two steel concrete soldier piles, protect, certainly hang thin plate and adopt identical shape.
3. between the stake in a kind of deep foundation pit supporting structure according to claim 2, protect from hanging thin plate, it is characterized in that: be describedly shaped as positive radian line segment, straightway or anti-radian line segment from what hang thin plate.
4. according to protecting between the arbitrary described a kind of deep foundation pit supporting structure king-pile of claims 1 to 3 from hanging thin plate, it is characterized in that: on soldier pile sidewall, along soldier pile sidewall short transverse spacing, boring is set, in described boring, be inserted with the expansion bolt of 90 ° of hooks, hook upwards, described from hang thin plate two ends hang on hook upwards.
5. between the stake in a kind of deep foundation pit supporting structure according to claim 4, protect from hanging thin plate, it is characterized in that: along soldier pile sidewall short transverse spacing, boring is set, described spacing is set to 0.5～2.0 meter.
6. between the stake in a kind of deep foundation pit supporting structure according to claim 4, protect from hanging thin plate, it is characterized in that: the described plate thickness from extension thin plate is not more than 10mm.
7. between the stake in a kind of deep foundation pit supporting structure, protect from hanging thin plate according to claim 4, it is characterized in that: described with the expansion bolt of hook upwards, vertically upward, the other end of expansion bolt is inserted in the hole of having holed on steel concrete soldier pile in the one end at 90 ° of right angles of expansion bolt.
8. between a kind of deep foundation pit supporting structure king-pile according to claim 4, protect from hanging thin plate, it is characterized in that: the two ends that certainly hang thin plate that are arranged between adjacent two soldier piles all connect and are connected between described adjacent two soldier piles certainly hanging thin plate with the articulated mounting of scalable adjusting.
9. between a kind of deep foundation pit supporting structure king-pile according to claim 8, protect from hanging thin plate, it is characterized in that: described articulated mounting is the mother that hangs with scalable adjusting, wherein hang female one end cover hang over described in upwards on 90 ° of hooks, hang female other end for longer Metallic rod, insert to be embedded in from hanging in the hollow steel pipe that doubles as horizontal reinforcement in thin plate and save as adjustable telescopic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034176.4U CN203668942U (en) | 2014-01-20 | 2014-01-20 | Pile protective self-hanging thin plate in supporting structure of deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034176.4U CN203668942U (en) | 2014-01-20 | 2014-01-20 | Pile protective self-hanging thin plate in supporting structure of deep foundation pit |
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| Publication Number | Publication Date |
|---|---|
| CN203668942U true CN203668942U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420034176.4U Expired - Fee Related CN203668942U (en) | 2014-01-20 | 2014-01-20 | Pile protective self-hanging thin plate in supporting structure of deep foundation pit |
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| CN (1) | CN203668942U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256811A (en) * | 2015-09-30 | 2016-01-20 | 常州大学怀德学院 | Sheet pile supporting structure with water stopping function and construction method |
| CN108330987A (en) * | 2018-04-13 | 2018-07-27 | 北京城建华夏基础建设工程有限公司 | Netting safeguard structure between a kind of foundation pit pile |
| CN109629579A (en) * | 2019-01-24 | 2019-04-16 | 北京航天地基工程有限责任公司 | The attachment device of hanging plate in a kind of deep foundation pit supporting structure |
| CN112431211A (en) * | 2020-12-22 | 2021-03-02 | 胡剑 | Hanging plate connecting mechanism for foundation pit supporting |
-
2014
- 2014-01-20 CN CN201420034176.4U patent/CN203668942U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256811A (en) * | 2015-09-30 | 2016-01-20 | 常州大学怀德学院 | Sheet pile supporting structure with water stopping function and construction method |
| CN105256811B (en) * | 2015-09-30 | 2017-04-19 | 常州大学怀德学院 | Construction method for foundation pit supporting and protecting through sheet pile supporting structure with water stopping function |
| CN108330987A (en) * | 2018-04-13 | 2018-07-27 | 北京城建华夏基础建设工程有限公司 | Netting safeguard structure between a kind of foundation pit pile |
| CN109629579A (en) * | 2019-01-24 | 2019-04-16 | 北京航天地基工程有限责任公司 | The attachment device of hanging plate in a kind of deep foundation pit supporting structure |
| CN112431211A (en) * | 2020-12-22 | 2021-03-02 | 胡剑 | Hanging plate connecting mechanism for foundation pit supporting |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20160120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |