CN204691033U - A kind of superposed beam prefabricated units for integral precast groined type building cover structure - Google Patents
A kind of superposed beam prefabricated units for integral precast groined type building cover structure Download PDFInfo
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- CN204691033U CN204691033U CN201520301865.1U CN201520301865U CN204691033U CN 204691033 U CN204691033 U CN 204691033U CN 201520301865 U CN201520301865 U CN 201520301865U CN 204691033 U CN204691033 U CN 204691033U
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Abstract
The utility model relates to a kind of superposed beam prefabricated units for integral precast groined type building cover structure, it connection reinforcing bar comprising some precast beam sections and described some precast beam sections be connected in series successively; Wherein, described precast beam section comprises stirrup and concrete prefabricated beam body; Concrete prefabricated beam body is exposed on the top of described stirrup, and bottom is built in concrete prefabricated beam body; The top bilateral symmetry of described concrete prefabricated beam body is provided with right angle type breach, and this right angle type breach extends along the bearing of trend of concrete prefabricated beam body; The centre position, end of described concrete prefabricated beam body is provided with groove.Superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model have light structure, construction simple and fast and the plurality of advantages such as cost is low.
Description
Technical field
The utility model relates to a kind of building unit, is specifically related to a kind of superposed beam prefabricated units for integral precast groined type building cover structure, belongs to construction engineering technical field.
Background technology
Groined slab floor, close rib building roof, arch without beam have the little advantage of deck-molding, relatively be suitable for the lower building floor of floor height, but for the groined type such as groined slab floor, close rib building roof superstructure because it is for common superstructure, although it is stressed rationally, deck-molding is also little, but the quantity of beam is more, the external surface area of beam is comparatively large, causes the formwork workload of concrete cast-in-situ structure larger.So there is kind of way to be adopt to bury light filling thing Substitute For Partial underground without the concrete of stressed demand in the beam surrounding of groined type superstructure at present, then install horizontal shuttering by arch without beam.But this kind of way, its price of light filling thing buried underground exceedes alternative concrete, and process of burying underground comparatively bothers, also the problems such as floating, off normal may be produced during concreting, neither be very desirable, and the floor of common arch without beam is thicker, arrangement of reinforcement is more, dead load is comparatively large, and the stressed complexity of floor, be unfavorable for structural seismic.
Current industrialization of construction industry has become the only way of construction industry development, and concrete prefabricated production capacity and the existing significantly lifting of mechanized construction ability, adopt prefabricated units to make groined type building cover structure thus and there is good exploitativeness.
Therefore, for solving the problems of the technologies described above, the necessary superposed beam prefabricated units for integral precast groined type building cover structure providing a kind of innovation, to overcome described defect of the prior art.
Utility model content
For solving the problem, the purpose of this utility model is to provide a kind of light structure, construction simple and fast and the low superposed beam prefabricated units for integral precast groined type building cover structure of cost.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of superposed beam prefabricated units for integral precast groined type building cover structure, it connection reinforcing bar comprising some precast beam sections and described some precast beam sections be connected in series successively; Wherein, described precast beam section comprises stirrup and concrete prefabricated beam body; Concrete prefabricated beam body is exposed on the top of described stirrup, and bottom is built in concrete prefabricated beam body; The top bilateral symmetry of described concrete prefabricated beam body is provided with right angle type breach, and this right angle type breach extends along the bearing of trend of concrete prefabricated beam body; The centre position, end of described concrete prefabricated beam body is provided with groove.
Superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model are set to further: be provided with an opening between two adjacent precast beam sections, the length of described opening equals the width of precast beam section.
Superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model are set to further: the width of described right angle type breach is 20mm, is highly 15mm.
Superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model are set to further: the length of described groove equals the width of precast beam section, and be highly 1/3rd of precast beam section height, its cross section is antiparallelogram shape.
Superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model are set to further: the cross section of described precast beam section is concave shape structure.
Superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model are also set to: precast beam section is extended at the two ends of described connection reinforcing bar, and forms extension section.
Compared with prior art, the utility model has following beneficial effect:
1. the superposed beam prefabricated units structure for integral precast groined type building cover structure of the present utility model is simple, and is made up of multiple precast beam section, effectively can reduce the connection workload of bottom reinforcement bars, reduces construction cost and reduction of erection time.
2. the right angle type breach that the concrete prefabricated beam body superposed surfaces longitudinal corner of the superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model is symmetrical can with the superimposed sheet imbricate spliced, effectively avoid staying seam between beam and plate, and spillage problem during concreting, constructability operates.
3. the precast beam section of the superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model leaves the opening of a width close to deck-siding each other, the superposed beam prefabricated units arranged crosswise of convenient vertical direction with it, groove is left in centre position, concrete prefabricated beam body end simultaneously, after opening concreting, shear connector can be formed, to improve the shear resistant capacity of groined type building roof beam crossover sites.
4. the superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model are by lifting operation and special mould bases, the rapid-assembling of the superimposed weir of groined type building cover structure can be realized, shelve superimposed sheet again, finally build overlapping layers concrete and namely can form intersecting parallels building cover structure.Thus, structure is not only light and handy, and also eliminate filler, constructing operation simple and fast, cost is low.
Accompanying drawing explanation
Fig. 1 is longitudinal sectional schematic diagram of the superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model.
Fig. 2 is the sectional drawing of the precast beam section in Fig. 1.
Fig. 3 is the sectional drawing of another embodiment of precast beam section in Fig. 1.
Detailed description of the invention
Refer to shown in Figure of description 1 and accompanying drawing 2, the utility model is a kind of superposed beam prefabricated units for integral precast groined type building cover structure, it forms by some precast beam sections 1 and by the connection reinforcing bar 2 that described some precast beam sections 1 are connected in series successively, be provided with an opening 15 between two adjacent precast beam sections 1, the length of described opening 15 equals the width of precast beam section 1.
Wherein, described precast beam section 1 comprises stirrup 11 and concrete prefabricated beam body 12.Concrete prefabricated beam body 12 is exposed on the top of described stirrup 11, and bottom is built in concrete prefabricated beam body 12.
The top bilateral symmetry of described concrete prefabricated beam body 12 is provided with right angle type breach 13, and this right angle type breach 13 extends along the bearing of trend of concrete prefabricated beam body 12.The width of this right angle type breach 13 is 20mm, is highly 15mm.Described right angle type breach 13 can with the superimposed sheet imbricate of splicing, effectively avoid staying seam between beam and plate, and spillage problem during concreting, constructability operates.
The centre position, end of described concrete prefabricated beam body 12 is provided with groove 14.The length of described groove 14 equals the width of precast beam section 1, and be highly 1/3rd of precast beam section 1 height, its cross section is antiparallelogram shape.
Described connection reinforcing bar 2 is holistic reinforcing bar, and can reduce the workload of follow-up bar connecting, precast beam section 1 is extended at its two ends, and forms extension section 21.
Refer to shown in Figure of description 3, it is the concrete structure schematic diagram of another precast beam section 1, and its cross section is concave shape structure, and it also has stirrup 11, concrete prefabricated beam body 12, right angle type breach 13 and groove 14, does not repeat them here.
Superposed beam prefabricated units for integral precast groined type building cover structure of the present utility model are made up of multiple precast beam section 1, effectively can reduce the connection workload of bottom reinforcement bars, reduce construction cost and reduction of erection time.
Above detailed description of the invention is only the preferred embodiment of this creation, and not in order to limit this creation, any amendment made within all spirit in this creation and principle, equivalent replacement, improvement etc., within the protection domain that all should be included in this creation.
Claims (6)
1. for superposed beam prefabricated units for integral precast groined type building cover structure, it is characterized in that: the connection reinforcing bar comprising some precast beam sections and described some precast beam sections are connected in series successively; Wherein, described precast beam section comprises stirrup and concrete prefabricated beam body; Concrete prefabricated beam body is exposed on the top of described stirrup, and bottom is built in concrete prefabricated beam body; The top bilateral symmetry of described concrete prefabricated beam body is provided with right angle type breach, and this right angle type breach extends along the bearing of trend of concrete prefabricated beam body; The centre position, end of described concrete prefabricated beam body is provided with groove.
2., as claimed in claim 1 for the superposed beam prefabricated units of integral precast groined type building cover structure, it is characterized in that: be provided with an opening between two adjacent precast beam sections, the length of described opening equals the width of precast beam section.
3., as claimed in claim 1 for the superposed beam prefabricated units of integral precast groined type building cover structure, it is characterized in that: the width of described right angle type breach is 20mm, is highly 15mm.
4., as claimed in claim 1 for the superposed beam prefabricated units of integral precast groined type building cover structure, it is characterized in that: the length of described groove equals the width of precast beam section, be highly 1/3rd of precast beam section height, its cross section is antiparallelogram shape.
5., as claimed in claim 1 for the superposed beam prefabricated units of integral precast groined type building cover structure, it is characterized in that: the cross section of described precast beam section is concave shape structure.
6., as claimed in claim 1 for the superposed beam prefabricated units of integral precast groined type building cover structure, it is characterized in that: precast beam section is extended at the two ends of described connection reinforcing bar, and forms extension section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301865.1U CN204691033U (en) | 2015-05-12 | 2015-05-12 | A kind of superposed beam prefabricated units for integral precast groined type building cover structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520301865.1U CN204691033U (en) | 2015-05-12 | 2015-05-12 | A kind of superposed beam prefabricated units for integral precast groined type building cover structure |
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| CN204691033U true CN204691033U (en) | 2015-10-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297893A (en) * | 2015-12-02 | 2016-02-03 | 上海欧本钢结构有限公司 | Tenon-and-mortise type concrete superposed beam cross connection structure and construction method thereof |
| CN107268888A (en) * | 2017-07-31 | 2017-10-20 | 中民筑友建筑科技（昆山）有限公司 | A kind of precast beam structure |
-
2015
- 2015-05-12 CN CN201520301865.1U patent/CN204691033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297893A (en) * | 2015-12-02 | 2016-02-03 | 上海欧本钢结构有限公司 | Tenon-and-mortise type concrete superposed beam cross connection structure and construction method thereof |
| CN107268888A (en) * | 2017-07-31 | 2017-10-20 | 中民筑友建筑科技（昆山）有限公司 | A kind of precast beam structure |
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