CN106836591A - A kind of Large-span Precast floor construction - Google Patents
A kind of Large-span Precast floor construction Download PDFInfo
- Publication number
- CN106836591A CN106836591A CN201710116429.0A CN201710116429A CN106836591A CN 106836591 A CN106836591 A CN 106836591A CN 201710116429 A CN201710116429 A CN 201710116429A CN 106836591 A CN106836591 A CN 106836591A
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- Prior art keywords
- girder
- plate
- concrete
- shaped
- tee girder
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 239000004567 concrete Substances 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000700647 Variola virus Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000001360 synchronised 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of Large-span Precast floor construction, it includes overlapping T-shaped girder and tee girder plate；Wherein, the overlapping T-shaped girder is made up of tee girder prefabricated components and overlapping layers；The tee girder prefabricated components are T-shaped, choosing ear, expose stirrup, girder upper reinforcement and constitute by rectangle precast beam main body and top both sides；The tee girder plate side by side parallel is held on the overlapping T-shaped girder and chooses on ear；The T-shaped beam slab is made up of concrete flange plate, concrete ladder beam, ladder beam exposed steel bar, and the ladder beam exposed steel bar extends the two ends of concrete ladder beam along the tee girder plate length direction, and rectangular；The girder upper reinforcement is arranged on the area inside that the ladder beam is enclosed；Stayed between the concrete flange plate of the adjacent tee girder plate and set gap, fill plug seal glue in gap.The present invention has simple structure, and easy construction, the duration saves, and anti-seismic performance is good, and deck-molding is small, widely applicable advantage.
Description
【Technical field】
The present invention relates to a kind of floor construction, and in particular to a kind of Large-span Precast floor construction, belong to architectural engineering skill
Art field.
【Background technology】
Assembled integral building is largely using laminated floor slab at present, that is, the prefabricated structure of the production laminated floor slab that is prefabricated in the factory
Part, in engineering site erecting tools formula support frame, after the prefabricated components for shelving laminated floor slab on support frame, in prefabricated components
Top surface lays reinforced mesh, then casting concrete in-situ layer, is consequently formed what prefabricated components were combined with cast-in-situ steel reinforced concrete layer
Laminated floor slab.It can be seen that the construction of laminated floor slab or comparatively laborious, and just because of prefabricated components support frame is set up, overlaps building
Plate in-situ layer is poured, and occupies the substantial amounts of construction period, and upper strata superimposed sheet needs support frame to be erected on lower floor's superimposed sheet in addition,
Thus synchronous construction cannot be accomplished between levels, and support frame also needs to wait the cast-in-place coagulation of lower floor's superimposed sheet before erection
Soil layer reaches some strength, it can be seen that, present superimposed sheet structure type and its construction technology influences larger to the duration.
In addition for the concrete structure of large span, such as parking lot, the office of large bay, teaching building, floor across
Degree is larger, causes corresponding floor thickness of slab larger, or to set more secondary beam, and construction is complicated, nor very economical, and it is secondary
When beam is more, pipeline influence can be laid on floor ceiling larger.
Therefore, in order to solve the above technical problems, a kind of Large-span Precast floor construction it is necessory to provide innovation, with gram
Take the defect of the prior art.
【The content of the invention】
To solve the above problems, it is an object of the invention to provide a kind of simple structure, easy construction, the duration saves, and resists
Shock stability is good, and deck-molding is small, widely applicable Large-span Precast floor construction.
To achieve the above object, the technical scheme taken of the present invention is：A kind of Large-span Precast floor construction, it includes folding
Close T-shaped girder and tee girder plate；Wherein, the overlapping T-shaped girder is made up of tee girder prefabricated components and overlapping layers；The T-shaped
Beam prefabricated component is T-shaped, choosing ear, expose stirrup, girder upper reinforcement and constitute by rectangle precast beam main body and top both sides；Institute
State tee girder plate side by side parallel and be held on the overlapping T-shaped girder and choose on ear；The T-shaped beam slab is by concrete flange plate, coagulation
Native ladder beam, ladder beam exposed steel bar composition, the ladder beam exposed steel bar extend coagulation along the tee girder plate length direction
The two ends of native ladder beam, and it is rectangular；The girder upper reinforcement is arranged in the region that the ladder beam exposed steel bar is enclosed
Side；Stayed between the concrete flange plate of the adjacent tee girder plate and set gap, fill plug seal glue in gap.
Large-span Precast floor construction of the invention is further arranged to：The ladder beam exposed steel bar protruded length is institute
The width for stating rectangle precast beam main body subtracts 20mm.
Large-span Precast floor construction of the invention is further arranged to：The concrete ladder beam is in the tee girder
The middle part of plate, beam sides is connected in 45 degree of angles with concrete flange plate；The T-shaped prefabricated components are trapezoidal in the correspondence concrete
The reserved size identical breach in beam position.
Large-span Precast floor construction of the invention is further arranged to：The tee girder plate is in the concrete flange plate
Edge is stayed and sets elongated L-shaped tongue and groove, and two sides of the concrete flange plate overhanging section of upper-lower position mistake of the tongue and groove
Open, the overhanging segment length of the tongue and groove is less than 3cm；The tee girder plate top surface described overhanging Length Ratio in the tee girder
The small 1cm of described overhanging segment length of plate bottom surface, overhanging section of thickness of the tongue and groove is the half of concrete edge of a wing plate thickness
Subtract 5mm.
Large-span Precast floor construction of the invention is also configured to：The tee girder plate is in concrete edge of a wing plate top surface, T-shaped
Beam slab stitching portion and overlapping layers top surface lay dalle.
Compared with prior art, the present invention has the advantages that：
1. a kind of Large-span Precast floor construction of the invention, simple structure, easy construction.During construction, all T-shaped beam slabs
Bottom need not set up support, and directly lifting is held on described in the overlapping T girder T-shaped prefabricated components and chooses on ear, reduces
Many supporting frame construction time, and be so conducive to the surface layer of the T-shaped beam slab to protect.
2. a kind of Large-span Precast floor construction of the invention, overcoming the conventional Prefabricated stacking floor engineering time long lacks
Fall into.Conventional Prefabricated stacking floor applies man-hour requirement and installs upper strata reinforced mesh, pours build floor overlapping layers concrete, and construction is relative
Complexity, also needs to wait for overlapping layers concrete hardening and reaches some strength that upper floor plate bracing frame can be supported in addition, so causes
The engineering time of above-mentioned operation is more long, and the duration influence on whole project is larger.But after T-shaped beam slab lifting is in place, need to only pour
The overlapping T-shaped girder overlapping layer concrete, construction is quick, fully saves the duration.
3. a kind of Large-span Precast floor construction of the invention, described tee girder plate be floor in traditional architecture with
Secondary beam, they are together pre-formed, are not in separated from one another de- under earthquake load each other with good globality
Fall phenomenon；And the tee girder plate is held on the overlapping T-shaped girder, and the ladder beam exposed steel bar be anchored in it is described
Within overlapping T-shaped girder overlapping layers, while what the upper reinforcement of the overlapping T-shaped girder was enclosed from the ladder beam exposed steel bar
Area inside is passed through, from there through above-mentioned three kinds of measures, it is ensured that have between the tee girder plate and the overlapping T-shaped girder
Good connection function, under seismic loading, is difficult to separate each other.Therefore total has good anti-seismic performance.
4. a kind of Large-span Precast floor construction of the invention, when use occasion is that span is smaller and field without dynamic load
During conjunction, it is possible to use the tee girder plate with " L " tongue and groove, the floor smallpox being so spliced in the tee girder plate
Without clear gap on plate, and can be in fill plug seal in the space at the flange splice of the tee girder plate in floor top surface
Glue, in case leak-stopping water, and give whole coverings by laying dalle in top surface, so it is being used with common cast-in-situ floor
On without any difference.It is heavier using dynamic load or load when use occasion is garage parking, storage room etc., and flooring is little
When having the occasion of water, then the tee girder plate for not setting described " L " tongue and groove can be directly used.
5. a kind of Large-span Precast floor construction of the invention, because using the tee girder plate, what the tee girder plate undertook
Floow load and deadweight are smaller, so its described concrete ladder beam deck-molding is smaller, can be effectively increased floor clear height.
6. a kind of Large-span Precast floor construction of the invention, it is not necessary to carry out electrically and feedwater piping it is pre-buried, own
Pipeline can be arranged in the enclosed space between the concrete ladder beam, and can in the concrete ladder beam preformed hole
Hole, needs are walked to meet pipeline, are so truly realized agent structure and are separated with pipeline.Simultaneously because of the concrete ladder beam
Spacing is relatively small, ceiling material can also be directly adhered into the ladder beam bottom when such as setting ceiling, and construction is just
It is prompt.
【Brief description of the drawings】
Fig. 1 is the schematic diagram of Large-span Precast floor construction of the invention.
Fig. 2 is the sectional view of the overlapping T-shaped girder in Fig. 1.
Fig. 3 is the schematic diagram of the tee girder plate in Fig. 1.
Fig. 4 be in Fig. 1 tee girder plate along A-A profile.
Fig. 5 is the tee girder plate splicing schematic diagram in Fig. 4.
Fig. 6 is profile of the another form of tee girder plate along A-A.
Fig. 7 is the tee girder plate splicing schematic diagram in Fig. 6.
Profile of the T-shaped girder along B-B is overlapped in Fig. 8 Fig. 1.
【Specific embodiment】
Refer to shown in Figure of description 1 to accompanying drawing 8, the present invention is a kind of Large-span Precast floor construction, and it is by overlapping T
A few part compositions such as shape girder 1 and tee girder plate 2.
Wherein, the overlapping T-shaped girder 1 is made up of tee girder prefabricated components 11 and overlapping layers 12；The prefabricated structure of tee girder
Part 11 is T-shaped, choosing ear 112, expose stirrup 113, girder upper reinforcement 114 by rectangle precast beam main body 111 and top both sides
Composition.
The side by side parallel of tee girder plate 2 is held on the choosing on ear 112 of the overlapping T-shaped girder 11.The T-shaped beam slab 2 by
Concrete flange plate 21, concrete ladder beam 22, ladder beam exposed steel bar 23 are constituted.Wherein, the ladder beam exposed steel bar 23
The two ends of concrete ladder beam 22 are stretched out along the length direction of the ladder beam 22, and it is rectangular, and protruded length is the tee girder
The body width of rectangle precast beam 111 of prefabricated components 11 subtracts 20mm, and the girder upper reinforcement 114 is arranged on the ladder beam
The area inside that exposed steel bar 23 is enclosed；Stayed between the concrete flange plate 21 of the adjacent tee girder plate 2 and set gap 24, gap
Middle fill plug seal glue 25.The concrete ladder beam 22 be in the tee girder plate 2 middle part, the side of beam 22 in 45 degree angles with mix
Solidifying soil flange plate 21 is connected, and the T-shaped prefabricated components 11 are in the reserved size identical in the correspondence position of concrete ladder beam 22
Breach 115.
The tee girder plate 2 can in advance lay dalle 3 when prefabricated in concrete edge of a wing plate top surface, treat the T-shaped
Beam slab 2 is shelved on after the completion of the overlapping layers 12 of the overlapping T-shaped girder 1 pours, in the stitching portion of tee girder plate 2 and folded
Close the top surface of layer 12 and lay dalle 3.
Large-span Precast floor construction tee girder plate 2 of the invention also have a kind of implementation method be：The tee girder plate 2 is described
The edge of concrete flange plate 21 is stayed and sets elongated " L " shape tongue and groove 211, and two sides of the concrete flange plate 21 is described
Overhanging section of 2111 upper-lower positions of tongue and groove 211 stagger, and the overhanging segment length 2111 of the tongue and groove 211 is less than 3cm, and in the T-shaped
Described overhanging section of 2111 length of the top surface of concrete flange plate 21 of beam slab 2 are than the concrete in the tee girder plate 2
The described overhanging section of small 1cm of 2111 length of the bottom surface of flange plate 21, overhanging section of 2111 thickness of the tongue and groove 211 are the concrete
The half of the thickness of flange plate 21 subtracts 5mm.The tongue and groove 2111 of the concrete flange plate 21 of the adjacent tee girder plate 2
It is superimposed with each other, the fill plug seal glue 25 in the space 24.
Specific embodiment above is only the preferred embodiment of this patent, is not used to limit this patent, all special at this
Any modification, equivalent substitution and improvements for being done etc. within the spirit and principle of profit, should be included in this creation protection domain it
It is interior.
Claims (5)
1. a kind of Large-span Precast floor construction, it is characterised in that：Including overlapping T-shaped girder and tee girder plate；Wherein, it is described
Overlapping T-shaped girder is made up of tee girder prefabricated components and overlapping layers；The tee girder prefabricated components are T-shaped, by rectangle precast beam master
Body and top both sides are chosen ear, expose stirrup, girder upper reinforcement composition；The tee girder plate side by side parallel is held on described folded
T-shaped girder is closed to choose on ear；The T-shaped beam slab is made up of concrete flange plate, concrete ladder beam, ladder beam exposed steel bar,
The ladder beam exposed steel bar extends the two ends of concrete ladder beam along the tee girder plate length direction, and rectangular；It is described
Girder upper reinforcement is arranged on the area inside that the ladder beam is enclosed；Between the concrete flange plate of the adjacent tee girder plate
Stay and set gap, fill plug seal glue in gap.
2. Large-span Precast floor construction as claimed in claim 1, it is characterised in that：The ladder beam exposed steel bar exposes length
Spend for the width of the rectangle precast beam main body subtracts 20mm.
3. Large-span Precast floor construction as claimed in claim 1, it is characterised in that：The concrete ladder beam is in described
The middle part of tee girder plate, beam sides is connected in 45 degree of angles with concrete flange plate；The T-shaped prefabricated components are in the correspondence coagulation
The reserved size identical breach in native ladder beam position.
4. Large-span Precast floor construction as claimed in claim 1, it is characterised in that：The tee girder plate is in the concrete
Flange plate edge is stayed and sets elongated L-shaped tongue and groove, and about overhanging section of the tongue and groove of two sides of the concrete flange plate
Position is staggered, and the overhanging segment length of the tongue and groove is less than 3cm；The tee girder plate top surface described overhanging Length Ratio in institute
The small 1cm of described overhanging segment length of tee girder plate bottom surface is stated, overhanging section of thickness of the tongue and groove is concrete edge of a wing plate thickness
Half subtract 5mm.
5. Large-span Precast floor construction as claimed in claim 1, it is characterised in that：The tee girder plate is on the concrete edge of a wing
Plate top surface, tee girder plate stitching portion and overlapping layers top surface lay dalle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116429.0A CN106836591A (en) | 2017-03-01 | 2017-03-01 | A kind of Large-span Precast floor construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116429.0A CN106836591A (en) | 2017-03-01 | 2017-03-01 | A kind of Large-span Precast floor construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106836591A true CN106836591A (en) | 2017-06-13 |
Family
ID=59137484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710116429.0A Pending CN106836591A (en) | 2017-03-01 | 2017-03-01 | A kind of Large-span Precast floor construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN106836591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642163A (en) * | 2017-10-23 | 2018-01-30 | 重庆凌锋投资管理有限公司 | A kind of self-support type steel plate concrete integral type beam slab is whole to pour structure and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089195A (en) * | 2000-09-20 | 2002-03-27 | Taisei Corp | Construction method for floor slab for tunnel |
| CN102116073A (en) * | 2011-01-07 | 2011-07-06 | 管乃彦 | Plate type prefabricated part with stirrups for beams and columns preinstalled at edges and plate type prefabricated part system |
| CN102747780A (en) * | 2012-06-28 | 2012-10-24 | 华汇工程设计集团股份有限公司 | Pre-tensioning-method pre-stress superposed beam building structure system and construction process thereof |
| CN203569795U (en) * | 2013-11-08 | 2014-04-30 | 湖北弘毅钢结构工程有限公司 | Long span prestress cube type steel rib concrete superposed beam |
| CN205444613U (en) * | 2015-12-31 | 2016-08-10 | 浙江绿筑建筑系统集成有限公司 | Be applied to prefabricated coincide floor connecting piece of assembled steel construction building |
| CN106065663A (en) * | 2016-07-27 | 2016-11-02 | 广东省建科建筑设计院有限公司 | Assembled steel reinforced concrete beam and plate system with in-situ layer in building structure |
| CN106401036A (en) * | 2016-11-16 | 2017-02-15 | 浙江工业大学工程设计集团有限公司 | Assembled type steel framework prefabricated concrete floor slab structure |
| CN207436340U (en) * | 2017-03-01 | 2018-06-01 | 浙江华恒建筑设计有限公司 | A kind of Large-span Precast floor construction |
-
2017
- 2017-03-01 CN CN201710116429.0A patent/CN106836591A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089195A (en) * | 2000-09-20 | 2002-03-27 | Taisei Corp | Construction method for floor slab for tunnel |
| CN102116073A (en) * | 2011-01-07 | 2011-07-06 | 管乃彦 | Plate type prefabricated part with stirrups for beams and columns preinstalled at edges and plate type prefabricated part system |
| CN102747780A (en) * | 2012-06-28 | 2012-10-24 | 华汇工程设计集团股份有限公司 | Pre-tensioning-method pre-stress superposed beam building structure system and construction process thereof |
| CN203569795U (en) * | 2013-11-08 | 2014-04-30 | 湖北弘毅钢结构工程有限公司 | Long span prestress cube type steel rib concrete superposed beam |
| CN205444613U (en) * | 2015-12-31 | 2016-08-10 | 浙江绿筑建筑系统集成有限公司 | Be applied to prefabricated coincide floor connecting piece of assembled steel construction building |
| CN106065663A (en) * | 2016-07-27 | 2016-11-02 | 广东省建科建筑设计院有限公司 | Assembled steel reinforced concrete beam and plate system with in-situ layer in building structure |
| CN106401036A (en) * | 2016-11-16 | 2017-02-15 | 浙江工业大学工程设计集团有限公司 | Assembled type steel framework prefabricated concrete floor slab structure |
| CN207436340U (en) * | 2017-03-01 | 2018-06-01 | 浙江华恒建筑设计有限公司 | A kind of Large-span Precast floor construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642163A (en) * | 2017-10-23 | 2018-01-30 | 重庆凌锋投资管理有限公司 | A kind of self-support type steel plate concrete integral type beam slab is whole to pour structure and its construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170613 |