CN204435203U - Interlocking pile and the firm access node structure of casting top slab - Google Patents
Interlocking pile and the firm access node structure of casting top slab Download PDFInfo
- Publication number
- CN204435203U CN204435203U CN201520076997.9U CN201520076997U CN204435203U CN 204435203 U CN204435203 U CN 204435203U CN 201520076997 U CN201520076997 U CN 201520076997U CN 204435203 U CN204435203 U CN 204435203U
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- Prior art keywords
- interlocking pile
- reinforcing cage
- upper limb
- steel bar
- fixed section
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- 238000005266 casting Methods 0.000 title claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 210000001364 upper extremity Anatomy 0.000 claims abstract description 34
- 238000005452 bending Methods 0.000 claims abstract description 23
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000011083 cement mortar Substances 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 230000002787 reinforcement Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model discloses a kind of interlocking pile and the firm access node structure of casting top slab, at least comprise interlocking pile, be arranged at armpit angle fixed section and the top board at described interlocking pile top, be provided with interlocking pile reinforcing cage in described interlocking pile, the top of described interlocking pile reinforcing cage extends in the fixed section of described armpit angle; Constuction joint is formed between described interlocking pile and described armpit angle fixed section; Roof steel bar structure is provided with in described top board; The upper limb of described top board is provided with upper limb roof steel bar, described upper limb roof steel bar extends to the outside of described interlocking pile reinforcing cage from the upper limb of described top board, and the outside along described interlocking pile reinforcing cage after bending extends to described constuction joint place, the described upper limb roof steel bar after bending bends and is arranged in the described interlocking pile reinforcing cage being positioned at described constuction joint; Described interlocking pile, described armpit angle fixed section and described top board formed by integrally casting are shaping.The utility model has the beneficial effect that overpass structure is reliable and stable, end bearing ability is stronger.
Description
Technical field
Wear overpass structure technical field under the utility model relates to, particularly relate to a kind of interlocking pile and the firm access node structure of casting top slab.
Background technology
Underpass realizes a kind of traffic structure that traffic three-dimensional adopts usually.Underpass because of take up an area less, on the advantage such as the impact of urban space and surrounding environment is less, be widely used in inner city and interlock in the construction of mouth.
Wear overpass structure under existing and usually adopt form of structure interlocking pile and precast beam combined, be held on the cap on interlocking pile stake top by precast beam by bearing, end is simple beam structure form.But adopt this form of structure, the moment of flexure that the span centre of one side simply supported beam is born is comparatively large, can only be improved the supporting capacity of structure, add construction cost by the mode increasing top plate thickness.On the other hand, the supporting capacity of freely-supported beam-ends is not fully exerted.
Meanwhile, owing to needing between precast beam and bearing to arrange shrinkage joint, As time goes on, can there is drainage because of the aging of the rubber in shrinkage joint in overpass structure, even may occur the phenomenons such as bumping at bridge-head, road-ability is poor.
Therefore, those skilled in the art need that a kind of overpass structure of research is reliable and stable badly, the syndeton of interlocking pile that end bearing ability is stronger and casting top slab.
Utility model content
Because the above-mentioned defect of prior art, the utility model proposes the firm access node structure of a kind of overpass structure is reliable and stable, end bearing ability is stronger interlocking pile and casting top slab.
For achieving the above object, the utility model provides a kind of interlocking pile and the firm access node structure of casting top slab, at least comprise interlocking pile, be arranged at armpit angle fixed section and the top board at described interlocking pile top, be provided with interlocking pile reinforcing cage in described interlocking pile, the top of described interlocking pile reinforcing cage extends in the fixed section of described armpit angle; Constuction joint is formed between described interlocking pile and described armpit angle fixed section; Roof steel bar structure is provided with in described top board; The upper limb of described top board is provided with upper limb roof steel bar, described upper limb roof steel bar extends to the outside of described interlocking pile reinforcing cage from the upper limb of described top board, and the outside along described interlocking pile reinforcing cage after bending extends to described constuction joint place, is arranged in the described interlocking pile reinforcing cage being positioned at described constuction joint after the described upper limb roof steel bar after bending bends again; Described interlocking pile, described armpit angle fixed section and described top board formed by integrally casting are shaping.
Preferably, the top of the described interlocking pile reinforcing cage length extended in the fixed section of described armpit angle is not less than the anchorage length of described interlocking pile reinforcing cage.
Preferably, the length of described upper limb roof steel bar after bending is again located in the described interlocking pile reinforcing cage at described constuction joint place by anchor is not less than anchorage length of steel bar.
Preferably, the arranged outside of described constuction joint has water-swelling rubber water bar, and described water-swelling rubber water bar is vertical with described constuction joint to be arranged.
Preferably, the arranged outside of described water-swelling rubber water bar has back-adhering waterstop.
Preferably, the arranged outside of described back-adhering waterstop has waterproof cement mortar topping; Described waterproof cement mortar topping is greater than the length of described back-adhering waterstop along the length of described interlocking pile axis
The beneficial effects of the utility model:
Due to top board and interlocking pile formed by integrally casting shaping, just connecing in succession between top board and interlocking pile, the moment of flexure that the load acting on top board produces can be passed to interlocking pile by armpit angle fixed section, can suitably reduce at the thickness of the effect lower roof plate of same load, the supporting capacity of total improves, and improves the bending resistance of structure.
In addition, owing to being provided with water-swelling rubber water bar at the constuction joint place of interlocking pile and armpit angle fixed section, can prevent outside water from being entered in the underpass inside interlocking pile by constuction joint.
On the other hand; because the arranged outside at water-swelling rubber water bar has back-adhering waterstop; and have waterproof cement mortar topping in the arranged outside of back-adhering waterstop, thus the stagnant water effect at constuction joint place can be improved further, prevent from occurring infiltration in underpass.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 be Fig. 1 A-A to partial structurtes schematic diagram.
Fig. 3 is the partial enlargement structural representation in B portion in Fig. 1.
Detailed description of the invention
As shown in Figure 1 to Figure 3, the present embodiment proposes a kind of interlocking pile and the firm access node structure of casting top slab, comprises interlocking pile 1, is arranged at the armpit angle fixed section 2 at interlocking pile 1 top and top board 3.
Be provided with interlocking pile reinforcing cage 21 in interlocking pile 1, the top of interlocking pile reinforcing cage 21 embeds in armpit angle fixed section 2.Constuction joint is formed between interlocking pile 1 and armpit angle fixed section 2.
Be provided with roof steel bar structure 31 in top board 3, roof steel bar structure 31 extends in interlocking pile reinforcing cage 21.The top length extended in armpit angle fixed section 2 of interlocking pile reinforcing cage 21 is not less than the anchorage length of interlocking pile reinforcing cage.
The upper limb of top board 3 is provided with upper limb roof steel bar 32, upper limb roof steel bar 32 extends to the outside of interlocking pile reinforcing cage 21 from the upper limb of top board 3, and bend under the lateral of interlocking pile reinforcing cage 21, the upper limb roof steel bar 33 after bending is fixedly installed on interlocking pile reinforcing cage 21 by longitudinal reinforcement 22.
Upper limb roof steel bar 33 after bending extends to constuction joint 8 place along the outside of interlocking pile reinforcing cage 21, and then after bending, the interlocking pile reinforcing cage 21 being positioned at constuction joint 8 place is located at by anchor.The length of the upper limb roof steel bar 34 after the bending again in the interlocking pile reinforcing cage 21 at constuction joint 8 place is located at by anchor is not less than anchorage length of steel bar.
Interlocking pile 1, top board 3 are watered by the armpit angle fixed section 2 being arranged at interlocking pile 1 top and are integrated.
Because top board upper limb reinforcing bar stretches into armpit angle fixed section, bend under interlocking pile reinforcing cage lateral, upper limb roof steel bar after bending is fixed on interlocking pile reinforcing cage by longitudinal reinforcement, and anchor in interlocking pile reinforcing cage at the constuction joint place of armpit angle fixed section and interlocking pile, interlocking pile reinforcing cage also stretches into the fixed section anchoring of armpit angle, ensure that the rigidity of the armpit angle fixed section between top board and interlocking pile.
Simultaneously, due to top board and interlocking pile formed by integrally casting shaping, just connecing in succession between top board and interlocking pile, the moment of flexure that the load acting on top board produces can be passed to interlocking pile by armpit angle fixed section, can suitably reduce at the thickness of the effect lower roof plate of same load, the supporting capacity of total improves, and improves the bending resistance of structure.
In the present embodiment, constuction joint place is defined as inner side near the side of grade separation passage, the side away from grade separation passage is defined as outside.
In order to ensure the connection of interlocking pile 1, armpit angle fixed section 2 and top board 3, upper limb roof steel bar 32 bends from the lateral of interlocking pile reinforcing cage 21; And anchor in interlocking pile reinforcing cage at constuction joint 8 place of armpit angle fixed section 2 and interlocking pile 1 after again bending, anchor into reinforcing bar 34 length and meet anchorage length requirement.
It is anchorage length of steel bar that interlocking pile reinforcing cage 21 embeds armpit angle fixed section 2 length.
Top board bending anchor bar 32 is fixedly installed on interlocking pile reinforcing cage 21 by longitudinal reinforcement 22
In order to improve the stagnant water effect at constuction joint 8 place between interlocking pile 1 and armpit angle fixed section 2, prevent from occurring infiltration in underpass, constuction joint 8 place between interlocking pile 1 and armpit angle fixed section 2 is provided with water-swelling rubber water bar 4, and water-swelling rubber water bar 4 is vertical with constuction joint 8 to be arranged.In order to improve constuction joint 8 stagnant water effect further, there is back-adhering waterstop 5 in the arranged outside of water-swelling rubber water bar 4, having waterproof cement mortar topping 6 in the arranged outside of back-adhering waterstop 5.
Waterproof cement mortar topping is the axial length being greater than back-adhering waterstop along the Design of length of constuction joint 8 vertical direction, guarantees the protected effect to waterstop.In the present embodiment, be 36cm at the width of back-adhering waterstop 5, the width of waterproof cement mortar topping 6 is 50cm.
The concrete construction method of the present embodiment is as follows:
1) hole, transfer interlocking pile reinforcing cage 21, concrete perfusion, until constuction joint 8 place as shown in Figure 1, completes building of interlocking pile 1, and interlocking pile reinforcing cage 21 is reserved with upper part at constuction joint 8, wouldn't build.
2) colligation roof steel bar structure 31, roof steel bar structure 31 extends transversely in interlocking pile reinforcing cage 21.Arrange upper limb roof steel bar 31 at the upper limb of top board 3, upper limb roof steel bar 31 stretches into armpit angle fixed section 2, and bends under interlocking pile reinforcing cage 21 lateral.Interlocking pile reinforcing cage 33 after bending is fixed on interlocking pile reinforcing cage 21 by longitudinal reinforcement 22.
Upper limb roof steel bar 33 after bending extends to constuction joint 8 place along the outside of interlocking pile reinforcing cage 21, and then anchors into the interlocking pile reinforcing cage 21 being positioned at constuction joint 8 after bending.The length anchoring into the upper limb roof steel bar 34 after the bending again in the interlocking pile reinforcing cage 21 of constuction joint 8 is not less than anchorage length of steel bar
3) armpit angle fixed section 2 and top board 3 is built.
5) at constuction joint 8 place of interlocking pile 1 with armpit angle fixed section 2, water-swelling rubber water bar 4 and back-adhering waterstop 5 is from inside to outside set gradually, and at back-adhering waterstop 5 arranged outside waterproof cement mortar topping 6.
In other embodiments, can arranged outside wherein one or more fish tail and waterproof layers as required at constuction joint place.
In other embodiments, the connected mode of roof steel bar and interlocking pile reinforcing cage also can adopt other conventional connected mode.
Interlocking pile of the present utility model and the firm access node structure of casting top slab, because top board upper limb reinforcing bar stretches into armpit angle fixed section, bend under interlocking pile reinforcing cage lateral, upper limb roof steel bar after bending is fixed on interlocking pile reinforcing cage by longitudinal reinforcement, and anchor in interlocking pile reinforcing cage at the constuction joint place of armpit angle fixed section and interlocking pile, interlocking pile reinforcing cage also stretches into the fixed section anchoring of armpit angle, ensure that the rigidity of the armpit angle fixed section between top board and interlocking pile.
Simultaneously, due to top board and interlocking pile formed by integrally casting shaping, just connecing in succession between top board and interlocking pile, the moment of flexure that the load acting on top board produces can be passed to interlocking pile by armpit angle fixed section, can suitably reduce at the thickness of the effect lower roof plate of same load, the supporting capacity of total improves, and improves the bending resistance of structure.
In addition, owing to being provided with water-swelling rubber water bar at the constuction joint place of interlocking pile and armpit angle fixed section, can prevent outside water from being entered in the underpass inside interlocking pile by constuction joint.
On the other hand; because the arranged outside at water-swelling rubber water bar has back-adhering waterstop; and have waterproof cement mortar topping in the arranged outside of back-adhering waterstop, thus the stagnant water effect at constuction joint place can be improved further, prevent from occurring infiltration in underpass.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (6)
1. an interlocking pile and the firm access node structure of casting top slab, at least comprise interlocking pile, be arranged at armpit angle fixed section and the top board at described interlocking pile top, it is characterized in that, be provided with interlocking pile reinforcing cage in described interlocking pile, the top of described interlocking pile reinforcing cage extends in the fixed section of described armpit angle; Constuction joint is formed between described interlocking pile and described armpit angle fixed section; Roof steel bar structure is provided with in described top board; The upper limb of described top board is provided with upper limb roof steel bar, described upper limb roof steel bar extends to the outside of described interlocking pile reinforcing cage from the upper limb of described top board, and the outside along described interlocking pile reinforcing cage after bending extends to described constuction joint place, the described upper limb roof steel bar after bending again bends rear anchor and is located at the described interlocking pile reinforcing cage being positioned at described constuction joint place; Described interlocking pile, described armpit angle fixed section and described top board formed by integrally casting are shaping.
2. interlocking pile as claimed in claim 1 and the firm access node structure of casting top slab, it is characterized in that, the top length extended in the fixed section of described armpit angle of described interlocking pile reinforcing cage is not less than the anchorage length of described interlocking pile reinforcing cage.
3. interlocking pile as claimed in claim 2 and the firm access node structure of casting top slab, is characterized in that, the length of the described upper limb roof steel bar after the bending again in the described interlocking pile reinforcing cage at described constuction joint place is located at by anchor is not less than anchorage length of steel bar.
4. interlocking pile as claimed in claim 2 or claim 3 and the firm access node structure of casting top slab, it is characterized in that, the arranged outside of described constuction joint has water-swelling rubber water bar, and described water-swelling rubber water bar is vertical with described constuction joint to be arranged.
5. interlocking pile as claimed in claim 4 and the firm access node structure of casting top slab, it is characterized in that, the arranged outside of described water-swelling rubber water bar has back-adhering waterstop.
6. interlocking pile as claimed in claim 5 and the firm access node structure of casting top slab, it is characterized in that, the arranged outside of described back-adhering waterstop has waterproof cement mortar topping; Described waterproof cement mortar topping is greater than the length of described back-adhering waterstop along the length of described interlocking pile axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076997.9U CN204435203U (en) | 2015-02-03 | 2015-02-03 | Interlocking pile and the firm access node structure of casting top slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076997.9U CN204435203U (en) | 2015-02-03 | 2015-02-03 | Interlocking pile and the firm access node structure of casting top slab |
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| Publication Number | Publication Date |
|---|---|
| CN204435203U true CN204435203U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520076997.9U Expired - Fee Related CN204435203U (en) | 2015-02-03 | 2015-02-03 | Interlocking pile and the firm access node structure of casting top slab |
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| Country | Link |
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| CN (1) | CN204435203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930391A (en) * | 2017-04-22 | 2017-07-07 | 郑州市市政工程总公司 | Without mould the construction cast-in-place drainage ditch structure of top board and construction method |
| CN109208785A (en) * | 2018-10-15 | 2019-01-15 | 中国建筑第七工程局有限公司 | Assembled Type Composite Structure System |
-
2015
- 2015-02-03 CN CN201520076997.9U patent/CN204435203U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930391A (en) * | 2017-04-22 | 2017-07-07 | 郑州市市政工程总公司 | Without mould the construction cast-in-place drainage ditch structure of top board and construction method |
| CN109208785A (en) * | 2018-10-15 | 2019-01-15 | 中国建筑第七工程局有限公司 | Assembled Type Composite Structure System |
| CN109208785B (en) * | 2018-10-15 | 2023-12-19 | 中国建筑第七工程局有限公司 | Assembled superposed structure system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 230041 Anhui province Hefei City Yingshang Road West, Yi Jing Road South colorful 16 storey office building, 17 floor, 18 floor Patentee after: HEFEI MUNICIPAL DESIGN AND RESEARCH INSTITUTE Co.,Ltd. Address before: 230041 Anqing Road, Anhui, China, No. 85, No. Patentee before: HEFEI MUNICIPAL DESIGN INSTITUTE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |