CA1037690A - Fabrication d'elements en beton precontraint - Google Patents

Fabrication d'elements en beton precontraint

Info

Publication number: CA1037690A
Authority: CA; Canada
Prior art keywords: concrete; shell; trough; stressing; infilling
Prior art date: 1974-02-06
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA219,170A

Other languages

English (en)

Other versions

CA219170S (en

Inventor

Esli J. Forrest

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1974-02-06

Filing date

1975-01-31

Publication date

1978-09-05

1975-01-31 Application filed by Individual filed Critical Individual

1978-09-05 Application granted granted Critical

1978-09-05 Publication of CA1037690A publication Critical patent/CA1037690A/fr

Status Expired legal-status Critical Current

Links

239000011513 prestressed concrete Substances 0.000 title claims abstract description 23
239000004567 concrete Substances 0.000 claims abstract description 182
230000036571 hydration Effects 0.000 claims abstract description 32
238000006703 hydration reaction Methods 0.000 claims abstract description 32
238000000034 method Methods 0.000 claims abstract description 26
238000011065 in-situ storage Methods 0.000 claims description 13
238000001035 drying Methods 0.000 claims description 9
239000003340 retarding agent Substances 0.000 claims description 2
238000007788 roughening Methods 0.000 claims 1
239000011178 precast concrete Substances 0.000 abstract description 24
238000010276 construction Methods 0.000 abstract description 21
230000008569 process Effects 0.000 abstract description 14
230000007420 reactivation Effects 0.000 abstract description 5
239000010410 layer Substances 0.000 description 19
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
239000004568 cement Substances 0.000 description 9
239000002131 composite material Substances 0.000 description 9
230000002787 reinforcement Effects 0.000 description 8
239000004576 sand Substances 0.000 description 8
238000005336 cracking Methods 0.000 description 7
239000000203 mixture Substances 0.000 description 7
238000012360 testing method Methods 0.000 description 7
238000009408 flooring Methods 0.000 description 6
239000004033 plastic Substances 0.000 description 5
229910000831 Steel Inorganic materials 0.000 description 4
230000009471 action Effects 0.000 description 4
239000010959 steel Substances 0.000 description 4
238000007792 addition Methods 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
238000013461 design Methods 0.000 description 3
230000007935 neutral effect Effects 0.000 description 3
239000007921 spray Substances 0.000 description 3
238000005452 bending Methods 0.000 description 2
238000009435 building construction Methods 0.000 description 2
238000004364 calculation method Methods 0.000 description 2
230000004927 fusion Effects 0.000 description 2
239000010438 granite Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000011159 matrix material Substances 0.000 description 2
230000005855 radiation Effects 0.000 description 2
230000003068 static effect Effects 0.000 description 2
239000002344 surface layer Substances 0.000 description 2
238000012546 transfer Methods 0.000 description 2
241000287828 Gallus gallus Species 0.000 description 1
239000011398 Portland cement Substances 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
238000004873 anchoring Methods 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
238000005266 casting Methods 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000013036 cure process Methods 0.000 description 1
238000013016 damping Methods 0.000 description 1
230000018044 dehydration Effects 0.000 description 1
238000006297 dehydration reaction Methods 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
239000011152 fibreglass Substances 0.000 description 1
230000035876 healing Effects 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
238000009413 insulation Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
239000003595 mist Substances 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000000465 moulding Methods 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000021715 photosynthesis, light harvesting Effects 0.000 description 1
230000036316 preload Effects 0.000 description 1
230000000452 restraining effect Effects 0.000 description 1
238000005029 sieve analysis Methods 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
230000009974 thixotropic effect Effects 0.000 description 1

Classifications

- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/26—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with filling members between the beams
- E04B5/261—Monolithic filling members
- E04B5/263—Monolithic filling members with a flat lower surface
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/046—Post treatment to obtain pre-stressed articles
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
- E04B5/19—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members the filling members acting as self-supporting permanent forms
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/26—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with filling members between the beams
- E04B5/266—Filling members covering the undersurface of the beams
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
- E04C3/26—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed

Landscapes

Engineering & Computer Science (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Chemical & Material Sciences (AREA)
Ceramic Engineering (AREA)
On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Reinforcement Elements For Buildings (AREA)

CA219,170A 1974-02-06 1975-01-31 Fabrication d'elements en beton precontraint Expired CA1037690A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AUPB648074		1974-02-06

Publications (1)

Publication Number	Publication Date
CA1037690A true CA1037690A (fr)	1978-09-05

Family

ID=3765844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA219,170A Expired CA1037690A (fr)	1974-02-06	1975-01-31	Fabrication d'elements en beton precontraint

Country Status (2)

Country	Link
CA (1)	CA1037690A (fr)
GB (1)	GB1504961A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1397469B1 (it) *	2010-01-14	2013-01-16	Schnell House Italia S R L	Pannello di armatura per cemento armato
CN101979802A (zh) *	2010-11-05	2011-02-23	中国建筑第八工程局有限公司	超大面积混凝土施工方法
CN109778664A (zh) *	2019-03-20	2019-05-21	中铁二院工程集团有限责任公司	一种轻质预应力混凝土梁桥结构

1975
- 1975-01-31 CA CA219,170A patent/CA1037690A/fr not_active Expired
- 1975-02-06 GB GB3676/75A patent/GB1504961A/en not_active Expired

Also Published As

Publication number	Publication date
GB1504961A (en)	1978-03-22

Publication	Publication Date	Title
US6036906A (en)	2000-03-14	Method for manufacturing an improved prestressed concrete joist
US4205029A (en)	1980-05-27	Pre-stressed concrete construction
US20110099941A1 (en)	2011-05-05	Process for producing high-capacity concrete beams or girders
US3213581A (en)	1965-10-26	Concrete floor and ceiling slab construction
US20080092466A1 (en)	2008-04-24	Precast Concrete I-Beam Deck with Pre-Stressed Wire Strands as Reinforcing Material
US3930348A (en)	1976-01-06	Reinforced concrete construction
EP0183526A1 (fr)	1986-06-04	Fibro-ciment
WO1984001402A1 (fr)	1984-04-12	Organes structuraux
WO2016086948A1 (fr)	2016-06-09	Dalles alvéolées modifiées
LV15383B (lv)	2019-10-20	Daļēji saliekama dzelzsbetona pārseguma elementu sistēma
Alcocer et al.	1999	Behavior of multi-perforated clay brick walls under earthquake-type loading
CA1037690A (fr)	1978-09-05	Fabrication d'elements en beton precontraint
Macintosh et al.	1956	NO-FINES CONCRETE AS A STRUCTURAL MATERIAL.
Lárusson et al.	2013	Prefabricated floor panels composed of fiber reinforced concrete and a steel substructure
Khoso et al.	2014	Investigative construction of buildings using baked clay post-reinforced beam panels
JPH07180287A (ja)	1995-07-18	補強用配筋および繊維補強鉄筋コンクリート柱梁体並びにその製法
NZ220693A (en)	1990-11-27	Load bearing structural member of cementitious laminate with tensioned reinforcing
Al-Rifaie et al.	2013	Experimental investigation on thin ferrocement dome structures
US3327028A (en)	1967-06-20	Method of making composite metal and concrete structures
Ong et al.	1986	Shear-bond capacity of composite slabs made with profiled sheeting
Ganz et al.	1997	Stressing masonry's future
RU2796801C1 (ru)	2023-05-29	Дорожная плита
Mansur et al.	1986	Composite Behavior of Ferrocement-Deck-Rei nforced Concrete Slabs
CA1282611C (fr)	1991-04-09	Elements porteurs pour constructions
RU2850638C1 (ru)	2025-11-12	Трехслойная строительная плита