GB748104A - Improvements relating to building structures - Google Patents

Improvements relating to building structures

Info

Publication number
GB748104A
GB748104A GB3187053A GB3187053A GB748104A GB 748104 A GB748104 A GB 748104A GB 3187053 A GB3187053 A GB 3187053A GB 3187053 A GB3187053 A GB 3187053A GB 748104 A GB748104 A GB 748104A
Authority
GB
United Kingdom
Prior art keywords
concrete
ducts
planks
mesh
laid
Prior art date
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
GB3187053A
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.)
GWYLON ISAAC
PRE STRESSED CONCRETE Co
Original Assignee
GWYLON ISAAC
PRE STRESSED CONCRETE Co
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.)
Filing date
Publication date
Application filed by GWYLON ISAAC, PRE STRESSED CONCRETE Co filed Critical GWYLON ISAAC
Priority to GB3187053A priority Critical patent/GB748104A/en
Publication of GB748104A publication Critical patent/GB748104A/en
Expired legal-status Critical Current

Links

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
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • 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
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements

Abstract

748,104. Reinforced concrete; floors; roofs; girders. PRE-STRESSED CONCRETE CO., Ltd., ISAAC, G., and LOWE, J. N. Dec. 2, 1954 [Nov. 17, 1953], No. 31870/53. Class 20(4). In addition to pre-stressing cables concrete members are reinforced by steel &c. ducts which accommodate the cables and by mesh formwork as of metal, expanded metal, plastic or strong textile material upon which the concrete is laid. For a floor or flat roof, mesh 1 is laid on scaffolding and ducts 2 of inverted U- shape and stirrups 6 are placed in position and wired or welded to the mesh, concrete 1¢ in. thick then being laid and when cured placed in compression by cables which are kept in tension within the ducts by means of washers and cones 8. Light cavity formers 9 are located between the stirrups and concrete 10. The concrete protrudes somewhat through the mesh and forms a rough keying surface for a subsequent rendering. The ducts 2 may be dispensed with by bending the mesh to form longitudinal ridges to accommodate the cables. In a modification separate planks are cast on a level bed, the mesh being cut to the length and breadth required, two ducts and an intermediate reinforcement bar being laid on it. After the planks are cured and the cables tensioned the planks are inverted and grout is poured into the ducts. At the site the planks are supported on scaffolding at 4 ft. intervals along their length, formers are laid clear of the gaps between the planks and concrete and a finishing screed surmounted by a surfacing material are applied. A further construction embodies an arched roof built up of similar planks which are arched to the required shape as by a tie member. A relatively deep layer of lightweight concrete may replace the structural concrete and formers.
GB3187053A 1953-11-17 1953-11-17 Improvements relating to building structures Expired GB748104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3187053A GB748104A (en) 1953-11-17 1953-11-17 Improvements relating to building structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3187053A GB748104A (en) 1953-11-17 1953-11-17 Improvements relating to building structures

Publications (1)

Publication Number Publication Date
GB748104A true GB748104A (en) 1956-04-18

Family

ID=10329631

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3187053A Expired GB748104A (en) 1953-11-17 1953-11-17 Improvements relating to building structures

Country Status (1)

Country Link
GB (1) GB748104A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197933A (en) * 1961-12-18 1965-08-03 John N Burns Interlocking concrete decking
US3226892A (en) * 1963-03-20 1966-01-04 Richard A Rose Shell roof construction
US3334458A (en) * 1963-10-21 1967-08-08 John C Leemhuis Structural member
US3416272A (en) * 1967-01-16 1968-12-17 Flexicore Company Inc Thin pre-stressed concrete slab
FR2631056A1 (en) * 1988-05-09 1989-11-10 Rech Etudes Tech PRECONSTRAINED CONCRETE CONSTRUCTION ELEMENT, OF THE PREDALLE TYPE, AND INSTALLATION FOR ITS MANUFACTURE
CN113006355A (en) * 2021-03-10 2021-06-22 蓝城乐居建设管理集团有限公司 Truss reinforced concrete laminated slab with cavity structure and preparation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197933A (en) * 1961-12-18 1965-08-03 John N Burns Interlocking concrete decking
US3226892A (en) * 1963-03-20 1966-01-04 Richard A Rose Shell roof construction
US3334458A (en) * 1963-10-21 1967-08-08 John C Leemhuis Structural member
US3416272A (en) * 1967-01-16 1968-12-17 Flexicore Company Inc Thin pre-stressed concrete slab
FR2631056A1 (en) * 1988-05-09 1989-11-10 Rech Etudes Tech PRECONSTRAINED CONCRETE CONSTRUCTION ELEMENT, OF THE PREDALLE TYPE, AND INSTALLATION FOR ITS MANUFACTURE
EP0342090A1 (en) * 1988-05-09 1989-11-15 Societe Anonyme De Recherche Et D'etudes Techniques S.A.R.E.T Prestressed semi-finished concrete element and production equipment
CN113006355A (en) * 2021-03-10 2021-06-22 蓝城乐居建设管理集团有限公司 Truss reinforced concrete laminated slab with cavity structure and preparation method thereof
CN113006355B (en) * 2021-03-10 2022-11-18 蓝城乐居建设管理集团有限公司 Truss reinforced concrete laminated slab with cavity structure and preparation method thereof

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