CN105525686A - Structure for connecting prefabricated concrete composite floor slab with H-shaped steel beam through bolts - Google Patents
Structure for connecting prefabricated concrete composite floor slab with H-shaped steel beam through bolts Download PDFInfo
- Publication number
- CN105525686A CN105525686A CN201510852067.2A CN201510852067A CN105525686A CN 105525686 A CN105525686 A CN 105525686A CN 201510852067 A CN201510852067 A CN 201510852067A CN 105525686 A CN105525686 A CN 105525686A
- Authority
- CN
- China
- Prior art keywords
- hole
- bolt
- floor slab
- profile steel
- prefabricated plate
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 239000004567 concrete Substances 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 title abstract 4
- 239000011178 precast concrete Substances 0.000 claims description 19
- 210000001364 Upper Extremity Anatomy 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 13
- 238000003466 welding Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000000875 corresponding Effects 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000010008 shearing Methods 0.000 description 5
- 210000003205 Muscles Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009114 investigational therapy Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 230000001737 promoting Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002441 reversible Effects 0.000 description 1
- 230000035939 shock 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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/40—Separate connecting elements
- E04B1/41—Connecting devices specially adapted for embedding in concrete
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
Abstract
The invention provides a structure for connecting a prefabricated concrete composite floor slab with an H-shaped steel beam through bolts. The structure comprises the H-shaped steel beam, a prefabricated sheet, a concrete layer, the bolts and screw caps. The prefabricated sheet is in lap joint with the flange of the H-shaped steel beam. The H-shaped steel beam is provided with a first through hole. The portion, corresponding to the first through hole, on the prefabricated sheet is provided with a second through hole. The bolts penetrate the first through hole and the second through hole so that the prefabricated sheet can be fixedly connected to the H-shaped steel beam. The bolts extend out of one end of the prefabricated sheet to be locked through the screw caps. The concrete layer is arranged at the periphery of the prefabricated sheet through pouring. By the adoption of the structure for connecting the prefabricated concrete composite floor slab with the H-shaped steel beam through the bolts, pouring of concrete is not affected, tight connection of the steel beam and the prefabricated concrete composite floor slab is guaranteed, and the overall performance of the structure can be improved; no welding work is needed at a site, assembly is easy, construction is convenient, and the construction procedure can be simplified greatly; and the structure can be well adapted to deformation of a main body structure, safe and reliable connection is guaranteed, steel materials can be saved as well, construction is easy, and industrial production can be achieved easily.
Description
Technical field:
The present invention relates to building structure connector technical field, be specifically related to a kind ofly adopt the precast concrete laminated floor slab of bolt and the syndeton of H profile steel beam.
Background technology:
Assembling type steel structure building is promoting the fast development of building industry, and because of advantages such as it is easy for installation, resource reproducible utilizations, being described as is a kind of building structure pattern of environmental protection, is the research direction that China will realize industrialized development from now on.
Assembling type steel structure house then has the following advantages: 1. steel work energy-conserving and environment-protective.The recyclable recycling of steel; 2. anti-seismic performance is good.Steel work high-strength light, can effectively reduce geological process power; 3. industrialization degree is high.Steel work major part component has been produced in factory, is beneficial to and realizes the demand for development of China to industrialized building; 4. construction pollution is little.All prefabricated in factory completing produced by component, on-site hoisting, connection; 5. space flexible arrangement is convenient.
Precast concrete laminated floor slab is one of main floor form of current assembling type steel structure building research, it has good globality, crack resistance, shock resistance and thermal and insulating performance, site operation is easy, the duration shortens, without the need to formwork, save the advantage such as material, mechanization production, makes this floor system obtain investigation and application more widely.Between current precast concrete laminated floor slab and girder steel, the most frequently used type of attachment has this three class of peg, shaped steel and curved muscle:
Peg shear connector, manufacturing process is simple, is convenient to Site Welding, is most widely used at present.Its stress performance is: when load action, peg moves together with girder steel, external load passes to the root of peg by peg weld seam, and produce larger distortion, whole peg will be subject to the synergy of moment of flexure, shearing and pulling force, due to this effect, makes peg root bear pressure maximum, along reducing highly gradually, the pressure reversal of bearing when top close to peg.Therefore the normal mode of failure occurred is, the concrete local compression fragmentation of peg front root or splitting, thus causes integrally-built destruction.
Shaped steel shear connector shear resistance is strong, and the performance of distribution again shearing is good, and can play opposing lifts role simultaneously on the edge of a wing.But Site Welding workload is large, construction speed is slow, and steel using amount is larger.
Curved muscle shear connector, uses comparatively early, makes and constructs all simpler.But due to can only utilize curved muscle tensile strength opposing shearing, therefore in shearing direction indefinite or shearing direction may change time, action effect is poor.
Above-mentioned several connector all needs to carry out on-the-spot welding job, and steel-concrete connected mode is also Site Welding in building operations, not only construction speed is slow, bonding strength is poor, steel using amount is comparatively large, therefore, needs to provide a kind of new Joining Structure, avoid carrying out Site Welding work, really realize overall fabricated construction.
Summary of the invention:
The object of this invention is to provide and a kind ofly optimize the precast concrete laminated floor slab of the employing bolt of precast concrete laminated floor slab and girder steel switching performance in steel building and the syndeton of H profile steel beam.
For achieving the above object, the present invention is by the following technical solutions:
The precast concrete laminated floor slab of employing bolt provided by the invention and the syndeton of H profile steel beam, comprising: H profile steel beam, prefabricated plate, layer of concrete, bolt and nut; Described prefabricated plate is overlapped on the edge of a wing place of H profile steel beam, described H profile steel beam offers the first through hole, described prefabricated plate offers the second through hole with described first through hole correspondence position, prefabricated plate is fixed in described H profile steel beam through described first through hole and the second through hole by bolt, bolt is stretched out prefabricated plate one end and is locked by nut, and layer of concrete has been built in prefabricated plate periphery.
The length at the first through hole distance upper limb edge that described H profile steel beam is offered is more than or equal to 25mm.
The length of the second through hole distance sheet edges that described prefabricated plate is offered is more than or equal to 20mm.
The thickness of described prefabricated plate is 50-80mm.
The equal diameters of described bolt, the first through hole and the second through hole, diameter is 10-20mm.
The length of described bolt is more than or equal to 1.5 times of prefabricated plate thickness.
It is two right that described bolt and nut are at least.
The present invention adopts the beneficial effect of the precast concrete laminated floor slab of bolt and the syndeton of H profile steel beam: structural form is simple, be easy to realize standardization, modularization is produced, site assembly is easy, construction accurate positioning, thus greatly save the set-up time, improve engineering efficiency; Adopt the syndeton of bolt, do not affect concrete building, ensure that and connect closely between girder steel and precast concrete laminated floor slab, the overall performance of structure is improved; And scene is without the need to welding, assembling is simple, easy construction, and is arranged by rational design consideration construction specific requirement, greatly can simplify construction process; Agent structure distortion can either be adapted to preferably, ensure to connect safe and reliable, again can saving steel, be easy to construction and realize industrialization produce.
Accompanying drawing illustrates:
Fig. 1 is the structural representation adopting the precast concrete laminated floor slab of bolt and the syndeton of H profile steel beam.
Fig. 2 is the partial structurtes schematic diagram adopting the precast concrete laminated floor slab of bolt and the syndeton of H profile steel beam.
1-H section steel beam, 2-prefabricated plate, 3-layer of concrete, 4-bolt, 5-nut, 6-first through hole, 7-second through hole, L
1the length at the-the first through hole distance upper limb edge, L
2the length of the-the second through hole distance sheet edges, L
3-prefabricated plate thickness, L
4-bolt length.
Detailed description of the invention:
Below in conjunction with embodiment, the present invention is described in further detail.
According to Fig. 1 ~ Fig. 2, a kind ofly adopt the precast concrete laminated floor slab of bolt and the syndeton of H profile steel beam, comprising: H profile steel beam 1, prefabricated plate 2, layer of concrete 3, multipair bolt 4 and nut 5; In factory, described H profile steel beam 1 offers the first through hole 6, and the first through hole 6 is apart from the length L at upper limb edge
1for 30mm, described prefabricated plate 2 offers the second through hole 7 with described first through hole correspondence position, and the second through hole 7 is apart from the length L of sheet edges
2for 25mm; At the construction field (site), by thickness L
3prefabricated plate 2 for 50mm is overlapped on the edge of a wing place of H profile steel beam 1, and prefabricated plate 2 is fixed in described H profile steel beam 1, bolt length L through described first through hole 6 and the second through hole 7 by bolt 4
4for 75mm, it is 10mm that the diameter of bolt 4, first through hole 6 and the second through hole 7 is diameter, bolt 4 stretches out prefabricated plate 2 one end and is set with nut 5, and tightened by spanner, bolt 4 is locked, prefabricated plate 2 and H profile steel beam 1 are connected to one, at the peripheral concreting layer 3 of prefabricated plate 2, complete being fixedly connected with of reinforced concrete slab and H profile steel beam.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of this right.
Claims (7)
1. adopt the precast concrete laminated floor slab of bolt and a syndeton for H profile steel beam, it is characterized in that: comprising: H profile steel beam, prefabricated plate, layer of concrete, bolt and nut; Described prefabricated plate is overlapped on the edge of a wing place of H profile steel beam, described H profile steel beam offers the first through hole, described prefabricated plate offers the second through hole with described first through hole correspondence position, prefabricated plate is fixed in described H profile steel beam through described first through hole and the second through hole by bolt, bolt is stretched out prefabricated plate one end and is locked by nut, and layer of concrete has been built in prefabricated plate periphery.
2. the precast concrete laminated floor slab of employing bolt according to claim 1 and the syndeton of H profile steel beam, is characterized in that: the length at the first through hole distance upper limb edge that described H profile steel beam is offered is more than or equal to 25mm.
3. the precast concrete laminated floor slab of employing bolt according to claim 1 and the syndeton of H profile steel beam, is characterized in that: the length of the second through hole distance sheet edges that described prefabricated plate is offered is more than or equal to 20mm.
4. the precast concrete laminated floor slab of employing bolt according to claim 1 and the syndeton of H profile steel beam, is characterized in that: the thickness of described prefabricated plate is 50-80mm.
5. the precast concrete laminated floor slab of employing bolt according to claim 1 and the syndeton of H profile steel beam, it is characterized in that: the equal diameters of described bolt, the first through hole and the second through hole, diameter is 10-20mm.
6. the precast concrete laminated floor slab of employing bolt according to claim 1 and the syndeton of H profile steel beam, is characterized in that: the length of described bolt is more than or equal to 1.5 times of prefabricated plate thickness.
7. the precast concrete laminated floor slab of employing bolt according to claim 1 and the syndeton of H profile steel beam, is characterized in that: it is two right that described bolt and nut are at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852067.2A CN105525686A (en) | 2015-11-26 | 2015-11-26 | Structure for connecting prefabricated concrete composite floor slab with H-shaped steel beam through bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852067.2A CN105525686A (en) | 2015-11-26 | 2015-11-26 | Structure for connecting prefabricated concrete composite floor slab with H-shaped steel beam through bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105525686A true CN105525686A (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510852067.2A Pending CN105525686A (en) | 2015-11-26 | 2015-11-26 | Structure for connecting prefabricated concrete composite floor slab with H-shaped steel beam through bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105525686A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252622A (en) * | 2018-09-26 | 2019-01-22 | 重庆普珞沃建筑科技有限公司 | Composite beam prefabricated panel sub-assembly and composite beam |
| CN109267654A (en) * | 2018-09-26 | 2019-01-25 | 重庆普珞沃建筑科技有限公司 | Combine prefabricated arch floor and overlapping arch sheet |
| CN111042207A (en) * | 2019-12-12 | 2020-04-21 | 中国五冶集团有限公司 | Concrete edge-protecting angle steel construction method |
| CN111287373A (en) * | 2020-02-23 | 2020-06-16 | 西安理工大学 | Connecting structure and connecting method for prefabricated composite slab and steel beam |
| CN111305440A (en) * | 2020-03-24 | 2020-06-19 | 福建省永富建设集团有限公司 | Seamless connection system of assembled steel structure beam column member and floor bearing plate and construction method |
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| CN204571092U (en) * | 2015-02-10 | 2015-08-19 | 同济大学 | Prefabricated composite girder segment syndeton and the compound beam containing syndeton |
| CN205153145U (en) * | 2015-11-26 | 2016-04-13 | 沈阳建筑大学 | Adopt precast concrete coincide floor of bolt and connection structure of H shaped steel roof beam |
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2015
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| CN101173542A (en) * | 2007-11-23 | 2008-05-07 | 清华大学 | Bidirectional steel-stacked plate concrete composite building roof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252622A (en) * | 2018-09-26 | 2019-01-22 | 重庆普珞沃建筑科技有限公司 | Composite beam prefabricated panel sub-assembly and composite beam |
| CN109267654A (en) * | 2018-09-26 | 2019-01-25 | 重庆普珞沃建筑科技有限公司 | Combine prefabricated arch floor and overlapping arch sheet |
| CN109267654B (en) * | 2018-09-26 | 2021-09-14 | 重庆普珞沃建筑科技有限公司 | Combined prefabricated arch bottom plate and superposed arch plate |
| CN109252622B (en) * | 2018-09-26 | 2021-09-28 | 重庆普珞沃建筑科技有限公司 | Prefabricated bottom plate assembly of composite beam and composite beam |
| CN111042207A (en) * | 2019-12-12 | 2020-04-21 | 中国五冶集团有限公司 | Concrete edge-protecting angle steel construction method |
| CN111287373A (en) * | 2020-02-23 | 2020-06-16 | 西安理工大学 | Connecting structure and connecting method for prefabricated composite slab and steel beam |
| CN111305440A (en) * | 2020-03-24 | 2020-06-19 | 福建省永富建设集团有限公司 | Seamless connection system of assembled steel structure beam column member and floor bearing plate and construction method |
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Application publication date: 20160427 |
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