CN202416650U - Self-supporting ribbed reinforced steel bar truss concrete composite slab - Google Patents
Self-supporting ribbed reinforced steel bar truss concrete composite slab Download PDFInfo
- Publication number
- CN202416650U CN202416650U CN2011204518806U CN201120451880U CN202416650U CN 202416650 U CN202416650 U CN 202416650U CN 2011204518806 U CN2011204518806 U CN 2011204518806U CN 201120451880 U CN201120451880 U CN 201120451880U CN 202416650 U CN202416650 U CN 202416650U
- Authority
- CN
- China
- Prior art keywords
- steel bar
- bar
- bar truss
- reinforced steel
- concrete
- 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 - Fee Related
Links
Images
Abstract
The utility model relates to a self-supporting ribbed reinforced steel bar truss concrete composite slab which comprises a ribbed reinforced steel bar truss precast concrete bottom plate and a cast-in-place concrete laminated layer. The ribbed reinforced steel bar truss precast concrete bottom plate comprises a reinforced steel bar truss net and ribbed concrete cast on the reinforced steel bar truss net; the reinforced steel bar truss net comprises a reinforced steel bar truss and additional reinforced steel bars which are placed on the lower chord of the reinforced steel bar truss and are perpendicular to the reinforced steel bar truss; and the ribbed concrete comprises the precast concrete bottom plate and ribs formed on the reinforced steel bar truss. The self-supporting ribbed reinforced steel bar truss concrete composite slab has the advantages of high bending rigidity, high supporting capacity, small thickness, small inverted camber, flat bottom, convenience of construction, construction period shortening, large application range, good overall performance and no temporary support.
Description
Technical field
The utility model relates to the building unit technical field, the self-bearing type Ribbed Bar truss reinforced concrete slab in particularly a kind of building structure.
Background technology
At present, in building structure floor technical applications, the type of floor mainly contains some kinds of cast in place concrete plate, concrete prefabricated board, superimposed sheet, profiled sheet concrete combined floors etc.Wherein:
Cast in place concrete plate has good integrity, rigidity is big, cost is low advantage, but need carry out the on-the-spot form work engineering and the reinforced bar engineering of lengthy and tedious complicacy, and speed of application is slow, and the cycle is long, is difficult to realize suitability for industrialized production etc.; Especially in the steel building construction, the characteristics of the engineering time length of cast in place concrete plate are more obvious to the influence of whole duration, are difficult to adapt with the prefabricated construction of steel building, also are unfavorable for energy-conserving and environment-protective.
Though the precast concrete plank speed of application is fast, can remove most of template from and support, its fatal shortcoming is that the floor globality is poor, and single load bearing, is prone to produce the crack, is not suitable for the higher area of earthquake intensity, impermeability is also poor in addition.
Though profiled sheet concrete combined floor speed of application is fast, integral rigidity is better, and cost is high, and has that two-way stiffness does not wait on the plane in, the soffit out-of-flatness, and the steel plate processing of need preventing fires often needs the furred ceiling processing at the bottom of the plate.
The shortcoming that existing laminated floor slab exists has: the superposed surfaces between (1) preformed layer and the overlapping layers need be carried out the strictness processing, and superimposed back overall performance is difficult to guarantee; (2) because preformed layer is thinner, when not establishing interim support, need to adopt prestressing force, it is less to be suitable for span; (3) on-the-spot reinforcing bar binding is loaded down with trivial details, influences construction speed, long construction period; (4) the precast plate width such as is transported at condition restriction, can only be by the one-way slabs Force Calculation; (5) the prestressed concrete laminated floor slab is made complicatedly, and cost is high, and antiarch makes out-of-flatness at the bottom of the plate.
According to the construction mode of steel building industrialization, agent structure such as girder steel, steel column, steel plate shear force wall etc. are suitability for industrialized production, and the job site adopts lifting to install, and steel column is three layer of one joint.Therefore, develop a kind of self-bearing type Ribbed Bar truss reinforced concrete slab that need not floor support and template system, can satisfy the suitability for industrialized production and the prefabricated construction of steel building.
Summary of the invention
The purpose of the utility model is to provide a kind of self-bearing type Ribbed Bar truss reinforced concrete slab, problems such as little, the suitable span of existing laminated floor slab bending rigidity is less, reinforcing bar binding is loaded down with trivial details, construction stage support temporarily that it has solved, and this laminated floor slab bending rigidity is big; Bearing capacity is high, and slab thickness is little, and the antiarch value is little; Smooth at the bottom of the plate; Easy construction and need not interim support can be shortened construction period, and it is big and overall performance is good to be suitable for span.
The technical solution of the utility model is following:
A kind of self-bearing type Ribbed Bar truss reinforced concrete slab, it is made up of concrete prefabricated base plate of Ribbed Bar truss and cast-in-situ concrete overlapping layers;
The concrete prefabricated base plate of said Ribbed Bar truss is made up of steel bar girder net and the concrete with ribbing of building on it; Said steel bar girder net is by steel bar girder and be held on the steel bar girder lower edge and form perpendicular to the additional bar of steel bar girder; Said concrete with ribbing is made up of precast concrete base plate and the rib that forms at the truss place.
The triangle wave formula steel bar girder that the web member reinforcing bar that said steel bar girder has the reinforcing bar that winds up, lower edge reinforcing bar and connection to go up the lower edge reinforcing bar is welded, and the steel bar girder position forms the vertical concrete rib.
Said vertical concrete rib both sides have circular opening, and hole size and position and line size and lifting hoisting point position are complementary.
Also be provided with overlapping layers additional bar on the said overlapping layers, the said overlapping layers additional bar and the reinforcing bar interlaced arrangement formation net structure at grade that winds up perpendicular to the steel bar girder direction.
Said overlapping layers additional bar is a steel bar stress.
The beneficial effect of the self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model mainly shows in the following areas:
1, the laminated floor slab of the utility model is applicable to the construction characteristics of housing industrialization, is particularly useful for housing building of steel-structure.Adopt the mode of method production, on-site hoisting installation and the back pouring concrete of prefabricated laminated floor slab to construct; The floor switching performance is reliable, and construction quality is easy to guarantee that the construction stage need not interim the support and template system; Construction environment and condition are improved greatly, and speed of application is accelerated greatly.
2, the steel bar girder of the utility model is positioned in the middle of the longitudinal rib, has increased floor greatly in the bending rigidity of construction stage, and it is bigger than normal tape rib laminated floor slab to be suitable for span.
3, the steel bar girder of the utility model can manufacture in factory process, and reinforcing bar is arranged evenly, can guarantee the thickness of concrete cover of cast, guarantees construction quality.
4, the longitudinal rib of the utility model has improved the bending rigidity of floor greatly, is applicable to the no support system than large span, has shortened construction link greatly.
5, the self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model has groove with ribbing, has improved the connection integrity ability of floor greatly.
6, the self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model helps energy-conserving and environment-protective, helps reducing construction cost, practices thrift construction fund.
Description of drawings
Fig. 1 is the sectional view of a kind of self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model.
Fig. 2 is the sectional drawing of a kind of self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model along the steel bar girder direction.
Fig. 3 is the vertical view of a kind of self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model.
Reference numeral:
1 is preformed layer, and 2 is overlapping layers, and 3 is the lower edge reinforcing bar, and 4 is the preformed layer additional bar perpendicular to the steel bar girder direction, and 5 are the reinforcing bar that winds up, and 6 is the web member reinforcing bar, and 7 is the overlapping layers additional bar perpendicular to the steel bar girder direction, and 8 is longitudinal rib.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
Referring to Fig. 1 to Fig. 3, the utility model provides a kind of self-bearing type Ribbed Bar truss reinforced concrete slab, and it mainly is made up of preformed layer 1 base plate with ribbing, overlapping layers 2 and longitudinal rib 8.
The bottom of preformed layer 1 base plate with ribbing is embedded with reinforcing bar; The reinforcing bar of preformed layer with ribbing 1 base plate bottom is formed by lower edge reinforcing bar 3 and perpendicular to the preformed layer additional bar 4 of steel bar girder direction, lower edge reinforcing bar 3 with perpendicular to the preformed layer additional bar 4 of steel bar girder direction at grade interlaced arrangement form net structure.Preformed layer additional bar 4 is steel bar stresses.
Overlapping layers 2 is the cast-in-situ concrete layers that are positioned at above the preformed layer 1 with ribbing, and it can be the ordinary concrete layer, also can be lightweight concrete material.
Arrange steel bar girder in the longitudinal rib 8; The reinforcing bar 5 that winds up that steel bar girder is provided with array lower edge reinforcing bar 3 and is complementary with lower edge reinforcing bar 3; Every group of lower edge reinforcing bar 3 is made up of the lower edge reinforcing bar 3 that two branches are arranged; Two lower edge reinforcing bars 3 are arranged in preformed layer 1 base plate with ribbing, and the reinforcing bar 5 that winds up of steel bar girder is arranged in longitudinal rib 8.
Winding up is provided with web member reinforcing bar 6 respectively between reinforcing bar 5 and every group of two lower edge reinforcing bars 3, and every web member reinforcing bar 6 one ends are affixed with the reinforcing bar that winds up, and web member reinforcing bar 6 other ends and lower edge reinforcing bar 3 are affixed, and two web member reinforcing bars 6 form leg-of-mutton built-in structure.
Steel bar girder is corrugated steel bar girder for being continuous triangle shape; And steel bar girder is positioned in the middle of the longitudinal rib 8; Improve the bending rigidity of floor so greatly, improved the maximum span that need not to support in floor slab construction stage, improved the anti-seismic performance and the switching performance of floor.
The height of the depth of section of steel bar girder and width, longitudinal rib 8 and width calculate by span and stressing conditions to be confirmed.Longitudinal rib 8 both sides have circular opening, in hole, arrange and pipeline and construction hoisting have satisfied the requirement of floor bidirectional arrangements pipeline and construction hoisting.Hole size and position and line size and lifting hoisting point position are complementary, and can confirm according to line size and lifting hoisting point position.
Also be provided with overlapping layers additional bar 7 on the overlapping layers 2, the overlapping layers additional bar 7 and the reinforcing bar 5 interlaced arrangement formation net structure at grade that winds up perpendicular to the steel bar girder direction.Overlapping layers additional bar 7 is steel bar stresses.
The self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model has adopted following mode in practical application:
Extremely shown in Figure 3 like Fig. 1; In longitudinal rib 8, arrange steel bar girder; Lower edge reinforcing bar 3 is arranged in preformed layer 1, and the reinforcing bar 5 that winds up is arranged in longitudinal rib 8, in processes such as the making of Ribbed Bar truss reinforced concrete slab, transportation, lifting, installation; Ribbed Bar truss reinforced concrete slab has protective effect, anti-corrosion, strengthens the effect of its bending rigidity the steel bar girder of inside, and steel bar girder has been strengthened the connectivity robustness of longitudinal rib 8 with base plate.8 times both sides of longitudinal rib shown in Fig. 1 have circular opening, in circular opening, arrange lateral line, and the suspension centre that can be used as lifting is simultaneously used.
As shown in Figure 3; When floor spiced, polylith Ribbed Bar truss reinforced concrete slab is close to is shelved on the bearing, form the piece of a determining deviation in adjacent two Ribbed Bar truss reinforced concrete slab jointing positions; Sew on placement broken line reinforcing bar at adjacent two precast member boards, strengthen crack resistance.Or place steel bar girder at edge joint position, and strengthen switching performance, make polylith Ribbed Bar truss reinforced concrete slab, steel bar girder, in-situ layer integrated, thereby realize bidirectional stress.
During use; Can the direct lifting of some self-bearing type Ribbed Bar truss reinforced concrete slabs be laid on the girder steel, the concrete prefabricated layer of Ribbed Bar truss can support the construction load of flooring and need not interim support, and the reinforcing bar of invar muscle truss is arranged evenly; Levels rebar spacing and thickness of concrete cover can both fully be guaranteed; Therefore can guarantee construction quality, plate end configuration negative reinforcement, thereby the bearing globality and the stressed continuity of realization plate.
The self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model can adopt the cast-in-place overlapping layers of light weight concrete construction according to stress performance, room span, production and transport and lifting ability, alleviates floor weight.
In sum, the self-bearing type Ribbed Bar truss reinforced concrete slab of the utility model have that bending rigidity is big, bearing capacity is high, slab thickness is little, the antiarch value is little, smooth at the bottom of the plate, easy construction and need not interim support, can shorten construction period, be suitable for advantages such as the big and overall performance of span is good.
Certainly; Those skilled in the art in the present technique field will be appreciated that; The foregoing description only is to be used for explaining the utility model; And be not with the qualification of doing the utility model, as long as in the connotation scope of the utility model, all will drop in the scope of the utility model claim the variation of the foregoing description, modification etc.
Claims (5)
1. self-bearing type Ribbed Bar truss reinforced concrete slab, it is characterized in that: it is made up of concrete prefabricated base plate of Ribbed Bar truss and cast-in-situ concrete overlapping layers;
The concrete prefabricated base plate of said Ribbed Bar truss is made up of steel bar girder net and the concrete with ribbing of building on it; Said steel bar girder net is by steel bar girder and be held on the steel bar girder lower edge and form perpendicular to the additional bar of steel bar girder; Said concrete with ribbing is made up of precast concrete base plate and the rib that forms at the truss place.
2. self-bearing type Ribbed Bar truss reinforced concrete slab as claimed in claim 1; It is characterized in that: the triangle wave formula steel bar girder that the web member reinforcing bar that said steel bar girder has the reinforcing bar that winds up, lower edge reinforcing bar and connection to go up the lower edge reinforcing bar is welded, and the steel bar girder position forms the vertical concrete rib.
3. self-bearing type Ribbed Bar truss reinforced concrete slab as claimed in claim 2 is characterized in that: said vertical concrete rib both sides have circular opening, and hole size and position and line size and lifting hoisting point position are complementary.
4. self-bearing type Ribbed Bar truss reinforced concrete slab as claimed in claim 1; It is characterized in that: also be provided with overlapping layers additional bar on the said overlapping layers, the said overlapping layers additional bar and the reinforcing bar interlaced arrangement formation net structure at grade that winds up perpendicular to the steel bar girder direction.
5. self-bearing type Ribbed Bar truss reinforced concrete slab as claimed in claim 4, it is characterized in that: said overlapping layers additional bar is a steel bar stress.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011204518806U CN202416650U (en) | 2011-11-16 | 2011-11-16 | Self-supporting ribbed reinforced steel bar truss concrete composite slab |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011204518806U CN202416650U (en) | 2011-11-16 | 2011-11-16 | Self-supporting ribbed reinforced steel bar truss concrete composite slab |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202416650U true CN202416650U (en) | 2012-09-05 |
Family
ID=46741429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011204518806U Expired - Fee Related CN202416650U (en) | 2011-11-16 | 2011-11-16 | Self-supporting ribbed reinforced steel bar truss concrete composite slab |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202416650U (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102900191A (en) * | 2012-09-17 | 2013-01-30 | 杨众 | Lap joint bar type prestressed two-way laminated plate and construction method |
CN102922600A (en) * | 2012-11-06 | 2013-02-13 | 闫丕春 | Preparation method of floor plate |
CN103114669A (en) * | 2013-03-13 | 2013-05-22 | 宝钢建筑系统集成有限公司 | Ribbed steel bar truss concrete superimposed sheet and construction method thereof |
CN103290965A (en) * | 2013-06-05 | 2013-09-11 | 张家港市盛港绿色防火建材有限公司 | House overlapped floor slab |
CN106193442A (en) * | 2014-12-22 | 2016-12-07 | 三泽住宅株式会社 | Floor concrete slab and floor |
CN106437001A (en) * | 2016-08-30 | 2017-02-22 | 李予新 | Overall roof panel with cornice |
CN106522440A (en) * | 2016-11-17 | 2017-03-22 | 西咸新区矩阵实业有限公司 | Composite floor slab based on polyphenyl granule fiber concrete sandwich insulation and construction method |
CN106639101A (en) * | 2016-05-26 | 2017-05-10 | 湖北大成空间科技股份有限公司 | Assembled type cavity composite floor slab construction method |
CN106639092A (en) * | 2016-05-26 | 2017-05-10 | 湖北大成空间科技股份有限公司 | Fabricated superposed floor slab with cavity |
CN106639098A (en) * | 2016-05-26 | 2017-05-10 | 湖北大成空间科技股份有限公司 | Fabricated floor slab with cavity |
CN106677395A (en) * | 2016-05-26 | 2017-05-17 | 湖北大成空间科技股份有限公司 | Construction method of fabricated cavity floor |
CN106760108A (en) * | 2017-03-05 | 2017-05-31 | 北京工业大学 | A kind of prefabricated overlapping board connecting equipment |
CN106760148A (en) * | 2016-12-15 | 2017-05-31 | 西安建筑科技大学 | One kind is based on truss raw bamboo skeleton composite floor |
CN106760101A (en) * | 2017-03-05 | 2017-05-31 | 北京工业大学 | A kind of prefabricated superimposed sheet |
CN108560796A (en) * | 2018-04-17 | 2018-09-21 | 昆明理工大学 | A kind of concrete T type rib Covered with Angles prefabricated panel and its superimposed sheet of making |
CN109339245A (en) * | 2018-11-21 | 2019-02-15 | 福建工程学院 | A kind of precast shear wall and superimposed sheet connecting structure and construction method |
CN110029779A (en) * | 2019-05-23 | 2019-07-19 | 中建二局安装工程有限公司 | A kind of assembled high-rise steel structure dwelling house system and its construction method |
CN110241960A (en) * | 2019-06-28 | 2019-09-17 | 上海欧本钢结构有限公司 | A kind of steel bar girder superimposed sheet to be winded up based on sheet steel |
CN110847479A (en) * | 2018-11-09 | 2020-02-28 | 张波 | Prestressed truss plate for manufacturing building wall and building wall manufactured by prestressed truss plate |
CN110894744A (en) * | 2018-11-09 | 2020-03-20 | 张波 | Truss wallboard for manufacturing shear wall, shear wall manufactured by using truss wallboard and manufacturing method of shear wall |
CN111075115A (en) * | 2020-01-06 | 2020-04-28 | 吉林建筑大学 | Steel bar truss and manufacturing method thereof |
CN111255136A (en) * | 2020-03-18 | 2020-06-09 | 无锡磊砼工程技术有限公司 | Ribbed prestressed laminated slab |
CN112647632A (en) * | 2020-12-18 | 2021-04-13 | 重庆市镁晶防火材料有限公司 | Production process of non-demolition-die assembled composite floor slab |
CN113107130A (en) * | 2021-04-16 | 2021-07-13 | 集美大学 | Prefabricated steel-concrete composite floor slab and manufacturing method thereof |
CN113175141A (en) * | 2021-05-14 | 2021-07-27 | 重庆中科建筑科技(集团)有限公司 | Construction method of composite floor slab with detachable additional rigidity device |
-
2011
- 2011-11-16 CN CN2011204518806U patent/CN202416650U/en not_active Expired - Fee Related
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102900191A (en) * | 2012-09-17 | 2013-01-30 | 杨众 | Lap joint bar type prestressed two-way laminated plate and construction method |
CN102922600A (en) * | 2012-11-06 | 2013-02-13 | 闫丕春 | Preparation method of floor plate |
CN103114669A (en) * | 2013-03-13 | 2013-05-22 | 宝钢建筑系统集成有限公司 | Ribbed steel bar truss concrete superimposed sheet and construction method thereof |
CN103290965A (en) * | 2013-06-05 | 2013-09-11 | 张家港市盛港绿色防火建材有限公司 | House overlapped floor slab |
CN106193442A (en) * | 2014-12-22 | 2016-12-07 | 三泽住宅株式会社 | Floor concrete slab and floor |
CN106639101A (en) * | 2016-05-26 | 2017-05-10 | 湖北大成空间科技股份有限公司 | Assembled type cavity composite floor slab construction method |
CN106639092A (en) * | 2016-05-26 | 2017-05-10 | 湖北大成空间科技股份有限公司 | Fabricated superposed floor slab with cavity |
CN106639098A (en) * | 2016-05-26 | 2017-05-10 | 湖北大成空间科技股份有限公司 | Fabricated floor slab with cavity |
CN106677395A (en) * | 2016-05-26 | 2017-05-17 | 湖北大成空间科技股份有限公司 | Construction method of fabricated cavity floor |
CN106437001A (en) * | 2016-08-30 | 2017-02-22 | 李予新 | Overall roof panel with cornice |
CN106522440A (en) * | 2016-11-17 | 2017-03-22 | 西咸新区矩阵实业有限公司 | Composite floor slab based on polyphenyl granule fiber concrete sandwich insulation and construction method |
CN106760148A (en) * | 2016-12-15 | 2017-05-31 | 西安建筑科技大学 | One kind is based on truss raw bamboo skeleton composite floor |
CN106760101A (en) * | 2017-03-05 | 2017-05-31 | 北京工业大学 | A kind of prefabricated superimposed sheet |
CN106760108A (en) * | 2017-03-05 | 2017-05-31 | 北京工业大学 | A kind of prefabricated overlapping board connecting equipment |
CN108560796A (en) * | 2018-04-17 | 2018-09-21 | 昆明理工大学 | A kind of concrete T type rib Covered with Angles prefabricated panel and its superimposed sheet of making |
CN110847479A (en) * | 2018-11-09 | 2020-02-28 | 张波 | Prestressed truss plate for manufacturing building wall and building wall manufactured by prestressed truss plate |
CN110894744A (en) * | 2018-11-09 | 2020-03-20 | 张波 | Truss wallboard for manufacturing shear wall, shear wall manufactured by using truss wallboard and manufacturing method of shear wall |
CN109339245A (en) * | 2018-11-21 | 2019-02-15 | 福建工程学院 | A kind of precast shear wall and superimposed sheet connecting structure and construction method |
CN110029779A (en) * | 2019-05-23 | 2019-07-19 | 中建二局安装工程有限公司 | A kind of assembled high-rise steel structure dwelling house system and its construction method |
CN110241960A (en) * | 2019-06-28 | 2019-09-17 | 上海欧本钢结构有限公司 | A kind of steel bar girder superimposed sheet to be winded up based on sheet steel |
CN111075115A (en) * | 2020-01-06 | 2020-04-28 | 吉林建筑大学 | Steel bar truss and manufacturing method thereof |
CN111075115B (en) * | 2020-01-06 | 2023-11-28 | 吉林建筑大学 | Steel bar truss and manufacturing method thereof |
CN111255136A (en) * | 2020-03-18 | 2020-06-09 | 无锡磊砼工程技术有限公司 | Ribbed prestressed laminated slab |
CN112647632A (en) * | 2020-12-18 | 2021-04-13 | 重庆市镁晶防火材料有限公司 | Production process of non-demolition-die assembled composite floor slab |
CN113107130A (en) * | 2021-04-16 | 2021-07-13 | 集美大学 | Prefabricated steel-concrete composite floor slab and manufacturing method thereof |
CN113175141A (en) * | 2021-05-14 | 2021-07-27 | 重庆中科建筑科技(集团)有限公司 | Construction method of composite floor slab with detachable additional rigidity device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202416650U (en) | Self-supporting ribbed reinforced steel bar truss concrete composite slab | |
CN202559569U (en) | Assembled monolithic self-insulation hidden dense rib light superposed floor slab | |
CN203113580U (en) | Concrete laminated slab with steel bar trusses | |
EP2848750B1 (en) | Method of casting in-situ steel wire mesh cement slab with spliced rack and suspended formwork | |
CN201087480Y (en) | Prestressed concrete composite beam | |
CN103397705A (en) | Connection structure of building composite floor slab and steel bar truss shear wall | |
NZ580011A (en) | Light gauge sheet metal channel and concrete composite floor slab and support structures | |
CN105839823A (en) | Truss type dense-rib hollow superposed floor | |
CN214696113U (en) | Connection structure of assembled prefabricated floor and composite beam | |
CN103088947A (en) | Composite thermal insulation floorslab of cold-formed thin-walled lattice sectional steel and concrete and manufacturing technology thereof | |
CN111411687A (en) | Novel assembly system | |
CN103334526A (en) | Steel web prestress concrete superimposed sheet | |
CN218970388U (en) | Light and thin composite floor slab and formed steel bar truss combined structure | |
CN103397700A (en) | Connection structure of building composite floor slab and steel tube shear wall | |
CN103711255A (en) | Truss concrete superposed beam | |
CN110644662A (en) | Prefabricated flat slab composite slab based on stress and splitting method thereof | |
CN105971175A (en) | Hollow laminated floor slab | |
CN111749364A (en) | Assembly type composite wall based on C-shaped steel and construction method thereof | |
CN203475609U (en) | Connecting structure of composite floor slab and steel tube shear wall of building | |
CN110005110A (en) | A kind of prestressing force laminated floor slab construction method for exempting from support | |
CN203160489U (en) | Cold-formed thin-wall lattice-type steel-concrete composite heat-insulation floor slab | |
CN212506971U (en) | Laminated slab for building | |
CN210685110U (en) | Assembled novel bidirectional ribbed profiled steel sheet composite floor | |
CN213449071U (en) | Whole-room prefabricated composite floor slab of common concrete of steel bar truss | |
CN111485490A (en) | Wide prefabricated bridge deck and construction method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20120905 Termination date: 20141116 |
|
EXPY | Termination of patent right or utility model |