CN204401804U - connecting structure of reinforced concrete cantilever beam and main concrete - Google Patents
connecting structure of reinforced concrete cantilever beam and main concrete Download PDFInfo
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- CN204401804U CN204401804U CN201420854885.7U CN201420854885U CN204401804U CN 204401804 U CN204401804 U CN 204401804U CN 201420854885 U CN201420854885 U CN 201420854885U CN 204401804 U CN204401804 U CN 204401804U
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- 239000004567 concrete Substances 0.000 title claims abstract description 50
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a connecting structure of a reinforced concrete cantilever beam and main concrete, which comprises the main concrete (2) and the reinforced concrete cantilever beam; the reinforced concrete cantilever beam is a precast beam (1), and a beam pin hole (5) is formed in the bottom surface of one end of the precast beam (1); the side of the main concrete (2) is provided with a beam nest (3), the bottom surface of the beam nest (3) is provided with a main pin hole (4), and stop pins (6) are arranged in the main pin hole (4) and the beam pin hole (5). The utility model discloses reinforced concrete cantilever beam adopts prefabricated mode to the connection structure through stop pin and main body concrete still belongs to the initiative in the building field. The safety is more guaranteed than that of the common dowel bar. The utility model discloses cancelled the dowel bar of reserving in the prior art beam nest, reduced the engineering investment, also need not the later stage to pour beam nest concrete again simultaneously, simplified the construction process, therefore main body concrete can rise fast in succession.
Description
Technical field
the utility model relates to a kind of Reinforced Concrete Cantilever Beams and the concrete syndeton of main body, belongs to building engineering construction method and technical field of structures.
Background technology
cast-in-place or the precast construction of the many employings of existing reinforced concrete beam.According to construction period, reserved joint bar and hitch is adopted for cast-in-situ concrete beam generally more, and the form of construction work that beam adopts the later stage to fill, this structure needs the joint bar arranging some in hitch reserved on main body concrete surface in advance, this causes certain construction interference to main body concrete construction, and the concrete in hitch is difficult to build closely knit; For precast beam structure, the general force structure adopting two ends freely-supported more, and semi girder be there is no substantially to the application example of prefabricated aspect.Therefore, existing Reinforced Concrete Cantilever Beams and the concrete connected mode of main body or not ideal enough, can not meet the construction requirement of construction work.
Utility model content
the purpose of this utility model is, a kind of Reinforced Concrete Cantilever Beams and the concrete syndeton of main body are provided, there is certain interference with the semi girder solving existing Cast-in-situs type to construction and the relatively low problem of construction quality fraction, thus overcome the deficiencies in the prior art.
the technical solution of the utility model is achieved in that
a kind of Reinforced Concrete Cantilever Beams of the present utility model and the concrete syndeton of main body are that this structure comprises main body concrete and reinforced concrete semi girder; Reinforced Concrete Cantilever Beams is precast beam, and the bottom surface of precast beam one end is provided with beam pin-and-hole; The concrete side of main body is provided with hitch, and the bottom surface of hitch is provided with body pin, is provided with latch in body pin and beam pin-and-hole.
in aforementioned structure, the position of described body pin is corresponding with the position of beam pin-and-hole; The degree of depth of beam pin-and-hole is slightly larger than latch length; The degree of depth of body pin is the half of latch length.
in aforementioned structure, between described precast beam and hitch, and latch and be matched in clearance between beam pin-and-hole and body pin, gap is 5 ~ 10mm.
in aforementioned structure, described latch is reinforced concrete precast member or steel beam column.
owing to have employed technique scheme, compared with prior art, the utility model Reinforced Concrete Cantilever Beams adopts prefabrication system to the utility model, and still belongs to pioneering by latch and the concrete syndeton of main body at building field.The more common joint bar of safety is more guaranteed.The utility model eliminates joint bar reserved in prior art hitch, reduces construction investment, and also do not need the later stage to build hitch concrete again, simplify working procedure, thus main body concrete can rise continuously fast simultaneously.The utility model adopts reserved latch to meet the interior anchoring requirement of precast beam, overcoming original concrete semi girder due to construction period is difficult to be synchronized with the shortcoming that main body concrete carries out building, and reserved joint bar carry out the concrete beam later stage when building hitch be difficult to fill closely knit shortcoming.
Accompanying drawing explanation
fig. 1 is structural representation of the present utility model.
being labeled as in accompanying drawing: 1-precast beam, 2-main body concrete, 3-hitch, 4-body pin, 5-beam pin-and-hole, 6-latch, 7-rod-like articles.
Detailed description of the invention
below in conjunction with drawings and Examples, the utility model is described in further detail, but not as to any restriction of the present utility model.
the utility model is constructed by following a kind of Reinforced Concrete Cantilever Beams and the concrete method of attachment of main body, as shown in Figure 1, the Reinforced Concrete Cantilever Beams of the method adopts precast beam 1, adopts inserting mode between precast beam 1 and main body concrete 2, and through latch 6 anchor and position.When prefabricated reinforced concrete semi girder, reserve beam pin-and-hole 5 in precast beam 1 one end.When building main body concrete 2, pre-reserved beam sump 3 on main body concrete 2, and reserve body pin 4 in the bottom surface of hitch 3, the position of body pin 4 is corresponding with the position of beam pin-and-hole 5.The degree of depth of beam pin-and-hole 5 is slightly larger than latch 6 length; The degree of depth of body pin 4 is the half of latch 6 length.Between precast beam 1 and hitch 3, and latch 6 and be matched in clearance between beam pin-and-hole 5 and body pin 4, gap is 5 ~ 10mm.When precast beam 1 is connected with main body concrete 2, sling downwards by the beam pin-and-hole 5 of crane gear by precast beam 1, the hitch 3 on the end alignment main body concrete 2 of precast beam 1; Then latch 6 put into beam pin-and-hole 5 and upwards push up pressure latch 6 with rod-like articles 7; Hitch 3 is inserted in precast beam 1 end, after latch 6 enters hitch mouth with precast beam 1, decontrols rod-like articles 7; Continue precast beam 1 to push hitch 3, after precast beam 1 arrives precalculated position, to move to above body pin 4 latch 6 under Gravitative Loads bottom latch 6 completely and automatically fall into body pin 4, by precast beam 1 anchor and position.If when the load that bears of semi girder top is relatively large, also precast beam 1 and horizontal plane can be formed certain minute angle (beam far-end is a little more than anchored end), to strengthen the supporting capacity of this prefabricated semi girder further.
the of the present utility model a kind of Reinforced Concrete Cantilever Beams formed as stated above and the concrete syndeton of main body, as shown in Figure 1, this syndeton comprises main body concrete 2 and Reinforced Concrete Cantilever Beams; Reinforced Concrete Cantilever Beams is precast beam 1, and the bottom surface of precast beam 1 one end is provided with beam pin-and-hole 5; The side of main body concrete 2 is provided with hitch 3, and the bottom surface of hitch 3 is provided with body pin 4, is provided with latch 6 in body pin 4 and beam pin-and-hole 5.The position of body pin 4 is corresponding with the position of beam pin-and-hole 5; The degree of depth of beam pin-and-hole 5 is slightly larger than latch 6 length; The degree of depth of body pin 4 is the half of latch 6 length.Between precast beam 1 and hitch 3, and latch 6 and be matched in clearance between beam pin-and-hole 5 and body pin 4, gap is 5 ~ 10mm.Latch 6 is reinforced concrete precast member or steel beam column.
Embodiment
as shown in Figure 1, drawn the diverse location of three precast beams in Fig. 1, the A beam in Fig. 1 is state diagram when not inserting hitch 3; B beam in Fig. 1 is state diagram when inserting hitch 3, is direction of insertion shown in the arrow in figure, during insertion with rod-like articles 7 upwards push up press latch 6, prevent latch 6 during insertion from beam pin-and-hole out; C beam in Fig. 1 is state diagram when inserting hitch 3 completely.During concrete enforcement, main body concrete 2 is pre-reserved beam sump 3 in casting process, simultaneously reserved body pin 4 bottom hitch, and main body concrete can continue to rise afterwards.Reinforced concrete prefabricated beam can select other any place to carry out prefabricated.Reserve beam pin-and-hole 5 at the anchored end correct position of beam, place the load that latch 6(bears according to semi girder in beam pin-and-hole 5, latch 6 can adopt reinforced concrete structure, also can adopt steel work).Can send in hitch 3 by girder construction (band latch) entirety during precast beam install, latch (bottom certain length) can fall in body pin 4 reserved in hitch automatically, to realize automatically locking and anchoring function.The structure of this example does not need reserved joint bar, does not also need the later stage to build hitch concrete, simplifies the working procedure of cantilevered concrete beam, also further ensure construction quality simultaneously, and first precast construction is applied to Reinforced Concrete Cantilever Beams.The utility model is applicable to all cantilever beam structures.
the utility model not only can be used for semi girder, if made by hitch U-shaped or increased by the height of hitch, also can be used for beam two ends and is connected with main body is concrete.Owing to being non-rigid syndeton between the utility model central sill and main body concrete, and leaving certain interval between beam and main body concrete, so have certain wider space when being subject to expanding with heat and contract with cold, can not internal stress be produced.Also there is certain cushion space time vibrated, be not easy to crack.When building main body concrete, construction interference can not be caused, the concrete pouring quality of main body can be improved.Its structure is made more to be tending towards reasonable.There is certain antihunt action.
Claims (4)
1. Reinforced Concrete Cantilever Beams and the concrete syndeton of main body, comprise main body concrete (2) and Reinforced Concrete Cantilever Beams; It is characterized in that: Reinforced Concrete Cantilever Beams is precast beam (1), the bottom surface of precast beam (1) one end is provided with beam pin-and-hole (5); The side of main body concrete (2) is provided with hitch (3), and the bottom surface of hitch (3) is provided with body pin (4), is provided with latch (6) in body pin (4) and beam pin-and-hole (5).
2. Reinforced Concrete Cantilever Beams and the concrete syndeton of main body according to claim 1, is characterized in that: the position of described body pin (4) is corresponding with the position of beam pin-and-hole (5); The degree of depth of beam pin-and-hole (5) is greater than latch (6) length; The degree of depth of body pin (4) is the half of latch (6) length.
3. Reinforced Concrete Cantilever Beams and the concrete syndeton of main body according to claim 1, it is characterized in that: between described precast beam (1) and hitch (3), and latch (6) and be matched in clearance between beam pin-and-hole (5) and body pin (4), its gap is 5 ~ 10mm.
4. Reinforced Concrete Cantilever Beams and the concrete syndeton of main body according to Claims 2 or 3, is characterized in that: described latch (6) is reinforced concrete precast member or steel beam column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854885.7U CN204401804U (en) | 2014-12-30 | 2014-12-30 | connecting structure of reinforced concrete cantilever beam and main concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854885.7U CN204401804U (en) | 2014-12-30 | 2014-12-30 | connecting structure of reinforced concrete cantilever beam and main concrete |
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| Publication Number | Publication Date |
|---|---|
| CN204401804U true CN204401804U (en) | 2015-06-17 |
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| CN201420854885.7U Active CN204401804U (en) | 2014-12-30 | 2014-12-30 | connecting structure of reinforced concrete cantilever beam and main concrete |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532961A (en) * | 2014-12-30 | 2015-04-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and structure for connecting reinforced concrete cantilever beam and main concrete |
| US20150292193A1 (en) * | 2009-07-08 | 2015-10-15 | Housh Rahimzadeh | Building Structure Including Balcony |
| GB2600749A (en) * | 2020-11-09 | 2022-05-11 | Sapphire Balconies Ltd | Balcony developments |
-
2014
- 2014-12-30 CN CN201420854885.7U patent/CN204401804U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150292193A1 (en) * | 2009-07-08 | 2015-10-15 | Housh Rahimzadeh | Building Structure Including Balcony |
| US9885172B2 (en) * | 2009-07-08 | 2018-02-06 | Diversakore Llc | Building structure including balcony |
| CN104532961A (en) * | 2014-12-30 | 2015-04-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and structure for connecting reinforced concrete cantilever beam and main concrete |
| CN104532961B (en) * | 2014-12-30 | 2017-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and structure for connecting reinforced concrete cantilever beam and main concrete |
| GB2600749A (en) * | 2020-11-09 | 2022-05-11 | Sapphire Balconies Ltd | Balcony developments |
| GB2600749B (en) * | 2020-11-09 | 2023-01-18 | Sapphire Balconies Ltd | Balcony developments |
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| C14 | Grant of patent or utility model | ||
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