CN103031917B - A kind of reinforced concrete prefabricated superimposed sheet with truss rib - Google Patents
A kind of reinforced concrete prefabricated superimposed sheet with truss rib Download PDFInfo
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- CN103031917B CN103031917B CN201210592784.2A CN201210592784A CN103031917B CN 103031917 B CN103031917 B CN 103031917B CN 201210592784 A CN201210592784 A CN 201210592784A CN 103031917 B CN103031917 B CN 103031917B
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Abstract
The invention provides a kind of reinforced concrete prefabricated superimposed sheet with truss rib, comprise base plate and the longitudiual truss rib vertical with base plate, wherein said truss rib is provided with light steel truss or plain bars truss therein.Described truss rib comprises upper chord and that with base plate be combined lower chord parallel with upper chord, be connected to multiple truss web between upper chord and lower chord, and the hole formed between multiple web member.Described truss rib is formed by a pair Z-type lattice configuration steel assembling combination, wherein said Z-type lattice configuration steel has two edges of a wing be parallel to each other and is connected to multiple shaped steel web members of parallel interval arrangement between the described edge of a wing, and described a pair Z-type lattice configuration steel combines in superimposed mode.Described prefabricated superimposed sheet is assembled at the scene, arranges longitudinal upper reinforcement and transversely lower stress reinforcing bar, then concreting.Described superimposed sheet is applicable to the structure such as laminated plate floor construction, balcony.
Description
Technical field
The present invention relates to the prefabricated superimposed sheet of one in building engineering field, especially a kind of reinforced concrete prefabricated superimposed sheet with truss rib.Truss rib inside can be provided with light steel truss or plain bars truss.
Background technology
At present, traditional Structural Engineering especially residential project, floor adopts common monolithic reinforced concrete structure mostly, execute man-hour requirement and first install template and support system, assembling reinforcement again, lay equipment installation, then concreting in plate, to reach after designing requirement stripping and support system again until concrete strength.Field procedure required by this traditional construction technology is numerous and diverse, long construction period.
Along with the continuous expansion of infrastructure scale; improving constantly of labour cost; and increasingly strict to the requirement of environmental protection, above-mentioned traditional construction technology more and more can not meet the requirement of China's sustainable development, is also difficult to adapt to the housing industrialization policy that China deepens constantly popularization.
For this reason, prefabricated superimposed sheet technology starts the attention being subject to industry, is necessary to develop to be convenient to production and processing, to be easy to construction and installation and the good novel prefabricated superimposed sheet of structural performance.
Summary of the invention
The invention reside in the reinforced concrete prefabricated superimposed sheet that a kind of novel band truss rib is provided.
Described superimposed sheet has the advantages such as, easy construction large from heavy and light, longitudinal rigidity, good integrity, bidirectional stress performance are good.
The invention provides a kind of reinforced concrete prefabricated superimposed sheet with truss rib.Described prefabricated superimposed sheet comprises reinforced concrete floor and the longitudiual truss rib vertical with described base plate, and wherein said truss rib is provided with light steel truss or plain bars truss therein.
Multiple truss rib web members that described truss rib comprises upper chord and that with described base plate be combined lower chord parallel with described upper chord and is arranged between described upper chord and described lower chord, form multiple hole between wherein said multiple truss rib web member.
Described base plate interior is provided with reinforcing bar, and it comprises the structure muscle of longitudinal reinforcement as main principal rod and vertical direction.
The described light steel truss that described truss rib inside is provided with is formed by a pair Z-type lattice configuration steel assembling combination, wherein said Z-type lattice configuration steel has two edges of a wing be parallel to each other and is connected to multiple shaped steel web members of parallel interval arrangement between the described edge of a wing, and described a pair Z-type lattice configuration steel combines in the mode that positive and negative is superimposed.Wherein said Z-type lattice configuration steel is integrally formed by plane out-draw by band steel, and described band steel has the parallel slit of many cuttings in order to form required shaped steel configuration after the stretch before being stretched.
As required, described prefabricated superimposed sheet can comprise together, truss rib described in twice or multiple tracks.Multiple tracks indulges the rigidity that rib can increase precast plate further, and reduces piece, can improve the globality of plate, and accelerate speed of application.
Truss rib be arranged so that precast plate has larger rigidity and supporting capacity, reduce lifting and installation process in distortion.Because the overall height of truss rib is identical with the gross thickness of prefabricated superimposed sheet, the hole of truss rib is relatively large, be convenient to therein wear transverse reinforcement, be convenient to the laying of equipment installation in floor simultaneously, arrange top longitudinal reinforcement and the good prefabricated superimposed sheet of bidirectional stress performance after concreting, can be formed.
For strengthening the applicability of described superimposed sheet, when total floor thickness being greater than the overall height of truss rib, also can adding above truss rib and certain thickness overlapping layers is set.
Present invention also offers the installation of above-mentioned prefabricated superimposed sheet, splicing and casting method.Described prefabricated superimposed sheet is spliced to form split superimposed sheet by adjacent side.Stitching portion, contiguous prefabricated plate side, concrete floor can be set a trap portion's chamfering, preferably can leave gap, and can be provided with the colligation muscle along direction, described gap between contiguous prefabricated plate side in described gap.Longitudinal colligation muscle is set and can adopts in subsequent technique in plate seam and hang mould concreting, with the globality of reinforcement plate.
After assembled, the top in described hole and bottom arrange the transversely steel bar stress vertical with described truss rib and horizontal lower stress reinforcing bar respectively, and are avoiding the truss rib place layout longitudinal upper reinforcement parallel with described truss rib.
Poured in place concrete, forms the bidirectional stress superimposed sheet that thickness is consistent with described truss rib overall height.
Tool of the present invention has the following advantages:
(1) adopt the steel concrete rib of truss form, make its reasonable stress, longitudinal rigidity and bearing capacity are comparatively large, not yielding in transport and hoisting process.
(2) bore hole size truss rib formed is comparatively large, effectively can alleviate precast plate deadweight, and what facilitate equipment installation in reinforcing bar and floor wears construction, and pass is simple, is convenient to plant produced and processing.
(3) stitching portion, adjacent panels side, base plate can be set a trap portion's chamfering, and plate can be stayed during site operation between precast plate to stitch, and arranges longitudinal colligation muscle and adopts and hang mould concreting, good integrity in plate seam.
(4) gross thickness of prefabricated superimposed sheet is consistent with the overall height of precast plate truss rib, easy construction, is easy to ensure the thickness of superimposed sheet and the planeness in plate face, improves construction quality.
(5) reinforcing bar configuration is rationally, can ensure after concreting at the scene the cracking resistance of superimposed sheet and bidirectional stress performance good.
(6) light steel truss of truss rib inside makes simple, saving material, can realize suitability for industrialized production.
(7) be combined with the bearing wall based on prefabricated units, industrialization level and the speed of application of construction work can be increased substantially, reduce Site Template engineering and reinforced bar engineering, improve workmanship, meet the housing industrialization policy of country.
Accompanying drawing explanation
Based on briefly introducing of aforementioned Invention content, and according to the aftermentioned detailed description for the specific embodiment of the invention, the accompanying drawing below this provides is to enable technical scheme of the present invention and feature be better understood.
Fig. 1 is the structural representation of the reinforced concrete prefabricated superimposed sheet of band truss rib according to a kind of detailed description of the invention of the present invention.
Fig. 2 is the structural representation of the reinforced concrete prefabricated superimposed sheet of band truss rib according to another kind of detailed description of the invention of the present invention.
The light steel truss structural representation that the truss rib inside that Fig. 3 and Fig. 4 describes the reinforced concrete prefabricated superimposed sheet of the truss of band shown in Fig. 1 or Fig. 2 rib is provided with, wherein a pair Z-type lattice configuration steel of Fig. 3 display, being used for assembling combination becomes the light steel truss shown in Fig. 4.
Fig. 5 is the split superimposed sheet schematic diagram be made up of the reinforced concrete prefabricated superimposed sheet split with truss rib shown in twice Fig. 1, wherein also very diagrammatically show reinforcement placement.
Fig. 6 A is the longitudinal profile schematic diagram of reinforced concrete prefabricated superimposed sheet after fluid concrete of the truss of band shown in Fig. 5 rib.
Fig. 6 B is the horizontal section schematic diagram of reinforced concrete prefabricated superimposed sheet after fluid concrete of the truss of band shown in Fig. 5 rib.
Detailed description of the invention
In order to enable technical scheme of the present invention and specific features be better understood, specific description of embodiments of the present invention hereinafter to provide pin, in order to be described further content of the present invention and feature.
Embodiment 1. is with the reinforced concrete prefabricated superimposed sheet of one truss rib
As shown in Figure 1, the reinforced concrete prefabricated superimposed sheet 100 of the band truss rib of this example has one truss rib 120.This superimposed sheet 100 comprises reinforced concrete floor 110 and the longitudiual truss rib 120 vertical with base plate 110, and wherein truss rib 120 is provided with light steel truss 420 therein.
Multiple truss rib web members 123 that described truss rib 120 comprises upper chord 121 and that with base plate 110 be combined lower chord 122 parallel with upper chord 121 and is arranged between upper chord 121 and lower chord 122, form multiple hole 124 between wherein said multiple truss rib web member 123.Preferably, the shape of described multiple hole 124 is triangle and/or trapezoidal.The respective bight of multiple hole 124 can be provided with circular arc chamfering.
Described base plate 110 inside is provided with reinforcing bar, and it comprises the structure muscle 140 of longitudinal reinforcement 130 as main principal rod and vertical direction, according to requirement of engineering, longitudinal reinforcement 130 and/or structure muscle 140 extended or do not stretch out end face or the side of base plate 110.
Light steel truss 420(Fig. 4 that truss rib 120 inside is provided with) be by a pair Z-type lattice configuration steel 320(Fig. 3) in a welding manner assembling combination form, wherein said Z-type lattice configuration steel 320 has two edges of a wing be parallel to each other 321 and is connected to multiple shaped steel web members 323 of parallel interval arrangement between the described edge of a wing 321, and described a pair Z-type lattice configuration steel 320 combines in the mode that positive and negative is superimposed.The cross sectional shape on the described edge of a wing 321 is band crimping shape (Fig. 3), like this, the plane orthogonal that the part that the edge of a wing 321 is close to multiple shaped steel web member 323 is formed with multiple shaped steel web member 323, the bead portion on the edge of a wing 321 collapses into the plane parallel formed with multiple web member 323 towards multiple shaped steel web member 323.The cross sectional shape on the described edge of a wing 321 also can be in-line, and the hole lattice shape between multiple shaped steel web member is parallelogram 324, wherein the plane orthogonal that formed of the edge of a wing 321 and multiple shaped steel web member 323.
Described Z-type lattice configuration steel 320 is integrally formed by plane out-draw by band steel, and described band steel has the parallel slit of many cuttings in order to form required shaped steel configuration after the stretch before being stretched.
As required, the end face of described base plate 110 can be designed as pitted skin.The edge of base plate 110 can be provided with local chamfering 115.
In addition, the depth of section of described lower chord 122 can be designed as quite or slightly larger than the thickness of described base plate 110.
Embodiment 2. is with the reinforced concrete prefabricated superimposed sheet of twice truss rib
As shown in Figure 2, the reinforced concrete prefabricated superimposed sheet 200 of the band truss rib of this example has twice truss rib 120.This superimposed sheet 200 comprises reinforced concrete floor 110 and the twice longitudiual truss rib 120 vertical with base plate 110, and wherein truss rib 120 is provided with light steel truss 420 therein separately.
Multiple truss rib web members 123 that described truss rib 120 comprises upper chord 121 and that with base plate 110 be combined lower chord 122 parallel with upper chord 121 and is arranged between upper chord 121 and lower chord 122, form multiple hole 124 between wherein said multiple truss rib web member 123.Preferably, the shape of described multiple hole 124 is triangle and/or trapezoidal.The respective bight of multiple hole 124 can be provided with circular arc chamfering.
Described base plate 110 inside is provided with reinforcing bar, and it comprises the structure muscle 140 of longitudinal reinforcement 130 as main principal rod and vertical direction, according to requirement of engineering, longitudinal reinforcement 130 and/or structure muscle 140 extended or do not stretch out end face or the side of base plate 110.
Other structural element of the superimposed sheet 200 of this example, comprises the structure of the light steel truss 420 that truss rib 120 inside is provided with, similar with described in embodiment 1, and this is no longer going to repeat them.
Embodiment 3. split superimposed sheet
As shown in Figure 5, the prefabricated superimposed sheet 100 that embodiment 1 provides is spliced to form split superimposed sheet 500 with another superimposed sheet 100 by adjacent side.Gap 639 is left between the adjacent side of two superimposed sheets included by split superimposed sheet 500.Preferably, the width in described gap is about 30mm to about 100mm.
The colligation muscle 180 along direction, described gap is provided with, in order to by hanging mould concreting 625, to strengthen the globality of the superimposed sheet of described splicing in described gap 639.
The in-site installation of embodiment 4. superimposed sheet or assembled and concreting
As shown in Figure 5, prefabricated superimposed sheet 100 hoisted in position that embodiment 1 is provided, and assembling reinforcement.Top in hole 124 and bottom arrange the transversely steel bar stress 150 vertical with truss rib 120 and horizontal lower stress reinforcing bar 160 respectively, and are avoiding the truss rib 120 place layout longitudinal upper reinforcement 170 parallel with truss rib 120.
Assembled superimposed sheet (as described in Example 3), carries out adjacent side splicing by two or more superimposed sheet 100, and between plate, reserved 30 ~ 100mm plate seam, arranges longitudinal colligation muscle 180 in plate seam.
Poured in place concrete, as shown in Figure 6 A and 6B, forms the bidirectional stress superimposed sheet that thickness is consistent with described truss rib 120 overall height.
Local is installed and hangs mould and side form, build overlapping layers concrete.Seam crossing adopts and hangs mould, and treat that model sheetinstallat is complete, concreting is to truss rib 2 top mark eminence.
In description herein, special shape, material or process sequence are described as to product of the present invention and method, and provide some detailed parameters for illustrative purposes for some specific embodiments.But, should be appreciated that these specifically describe and restriction is not produced to technical scheme of the present invention; That is the change of associated shape, material or process sequence and accommodation still within the spirit and scope of the present invention involved.
Above-mentioned detailed description of the invention is to carry out example description and explanation to content of the present invention, is not used for carrying out any restriction to scope of the present invention.Those skilled in the art applies the change of equivalent structure that manual of the present invention and claim do or material, all should belong to protection scope of the present invention.
Claims (16)
1. the reinforced concrete prefabricated superimposed sheet with truss rib, is characterized in that, described superimposed sheet comprises reinforced concrete floor and the longitudiual truss rib vertical with described base plate, and wherein said truss rib is provided with light steel truss therein;
Wherein said light steel truss is formed by a pair Z-type lattice configuration steel assembling combination, wherein said Z-type lattice configuration steel has two edges of a wing be parallel to each other and is connected to multiple shaped steel web members of parallel interval arrangement between the described edge of a wing, and the hole lattice shape between described multiple shaped steel web member is parallelogram;
Multiple truss rib web members that described truss rib comprises upper chord and that with described base plate be combined lower chord parallel with described upper chord and is arranged between described upper chord and described lower chord, form multiple hole between wherein said multiple truss rib web member, the shape of wherein said multiple hole is triangle and/or trapezoidal.
2. superimposed sheet according to claim 1, wherein said base plate interior is provided with reinforcing bar, it comprises the structure muscle of longitudinal reinforcement as main principal rod and vertical direction, according to requirement of engineering, described longitudinal reinforcement and/or described structure muscle extended or do not stretch out end face or the side of described base plate.
3. superimposed sheet according to claim 1, the described light steel truss that wherein said truss rib inside is provided with is formed with the mode assembling combination that positive and negative is superimposed by a pair Z-type lattice configuration steel.
4. superimposed sheet according to claim 3, wherein said a pair Z-type lattice configuration steel is that assembling combination forms in a welding manner.
5. superimposed sheet according to claim 1, the cross sectional shape on the wherein said edge of a wing is in-line, the plane orthogonal that the wherein said edge of a wing and described multiple shaped steel web member are formed.
6. superimposed sheet according to claim 1, the cross sectional shape on the wherein said edge of a wing is band crimping shape, the plane orthogonal that the part that the wherein said edge of a wing is close to described multiple shaped steel web member is formed with described multiple shaped steel web member, the bead portion on the described edge of a wing collapses into the plane parallel formed with described multiple web member towards described multiple shaped steel web member.
7. superimposed sheet according to claim 1, wherein said Z-type lattice configuration steel is integrally formed by plane out-draw by band steel, and described band steel has the parallel slit of many cuttings in order to form required shaped steel configuration after the stretch before being stretched.
8. superimposed sheet according to claim 1, it comprises one or multi-channel described truss rib.
9. superimposed sheet according to claim 1, wherein said multiple hole bight is separately provided with circular arc chamfering.
10. superimposed sheet according to claim 1, can set a trap portion's chamfering in the edge of wherein said base plate.
11. superimposed sheets according to claim 1, the end face of wherein said base plate is pitted skin.
12. superimposed sheets according to claim 1, the depth of section of wherein said lower chord is quite or slightly larger than the thickness of described base plate.
13. superimposed sheets according to claim 1 or 8, wherein said superimposed sheet and another superimposed sheet are spliced to form split superimposed sheet by adjacent side.
14. superimposed sheets according to claim 13, gap is left between the adjacent side of two superimposed sheets included by wherein said split superimposed sheet, the width in described gap is 30mm to 100mm, and the colligation muscle be provided with in described gap along direction, described gap, in order to by hanging mould concreting, to strengthen the globality of the superimposed sheet of described splicing.
15. superimposed sheets according to claim 13, after wherein said superimposed sheet is assembled at the construction field (site), top in described hole and bottom arrange the transversely steel bar stress vertical with described truss rib and horizontal lower stress reinforcing bar respectively, and arrange the longitudinal upper reinforcement parallel with described truss rib avoiding truss rib place, thus the thickness bidirectional stress superimposed sheet consistent with described truss rib overall height can be formed after concreting at the scene.
16. superimposed sheets according to claim 13, when total floor thickness is greater than the overall height of described truss rib, adds and arrange certain thickness overlapping layers above described truss rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210592784.2A CN103031917B (en) | 2012-12-31 | 2012-12-31 | A kind of reinforced concrete prefabricated superimposed sheet with truss rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210592784.2A CN103031917B (en) | 2012-12-31 | 2012-12-31 | A kind of reinforced concrete prefabricated superimposed sheet with truss rib |
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| Publication Number | Publication Date |
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| CN103031917A CN103031917A (en) | 2013-04-10 |
| CN103031917B true CN103031917B (en) | 2016-04-06 |
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| CN103334495A (en) * | 2013-06-13 | 2013-10-02 | 南京长江都市建筑设计股份有限公司 | Prefabricated balcony connecting structure with steel trusses |
| CN103726600B (en) * | 2013-11-21 | 2015-11-18 | 智房科技股份有限公司 | Steel bar girder and steel bar truss floor support plate thereof and steel bar girder superimposed sheet |
| CN103953147B (en) * | 2014-04-29 | 2017-01-04 | 清华大学 | Two-way superimposed sheet of pin-connected panel steel bar truss |
| CN104727438B (en) * | 2014-11-17 | 2017-02-22 | 马恒忠 | Industrialized production efficiently-assembled type building floor slab and manufacturing method |
| CN205558021U (en) * | 2015-10-30 | 2016-09-07 | 山东万斯达建筑科技股份有限公司 | Folded plate truss concrete member |
| CN106703269A (en) * | 2016-12-30 | 2017-05-24 | 山东省建筑科学研究院 | Prestressed concrete superimposed sheet with steel trusses and manufacturing method |
| CN107322769A (en) * | 2017-07-03 | 2017-11-07 | 山东住工装配建筑有限公司 | A kind of combinable precast truss frame superimposed sheet plastic mould |
| CN107338896B (en) * | 2017-08-14 | 2022-09-27 | 汤显衡 | Steel plate truss type bearing plate |
| CN108590026B (en) * | 2018-04-17 | 2021-04-09 | 昆明理工大学 | Inverted V-shaped reinforced concrete prefabricated bottom plate for laminated floor slab and laminated slab manufactured by same |
| CN108532808A (en) * | 2018-04-28 | 2018-09-14 | 刘鹏飞 | A kind of steel truss hollow pre-fabricated panels |
| CN109736499B (en) * | 2018-12-27 | 2020-06-23 | 浙江大经住工科技有限公司 | Prefabricating process of prefabricated laminated slab |
| CN109537789A (en) * | 2018-12-28 | 2019-03-29 | 上海欧本钢结构有限公司 | A kind of aperture clod wash rib superimposed sheet |
| 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 |
| CN112031239A (en) * | 2020-09-03 | 2020-12-04 | 四川省佳宇建设集团有限公司 | Precast concrete composite floor slab and manufacturing method thereof |
| CN114482375B (en) * | 2022-02-22 | 2023-07-28 | 杭州江润科技有限公司 | Construction method of integral joint type reinforced concrete superimposed sheet |
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| CN103031917A (en) | 2013-04-10 |
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