CN201874008U - Discontinuous concrete grouting pile and wall structure - Google Patents
Discontinuous concrete grouting pile and wall structure Download PDFInfo
- Publication number
- CN201874008U CN201874008U CN2010206075954U CN201020607595U CN201874008U CN 201874008 U CN201874008 U CN 201874008U CN 2010206075954 U CN2010206075954 U CN 2010206075954U CN 201020607595 U CN201020607595 U CN 201020607595U CN 201874008 U CN201874008 U CN 201874008U
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- Prior art keywords
- wall
- place concrete
- cast
- stake
- concrete pile
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- 238000010276 construction Methods 0.000 claims abstract description 32
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 17
- 230000003014 reinforcing Effects 0.000 claims description 28
- 230000001808 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000004800 polyvinyl chloride Substances 0.000 abstract 3
- 238000009412 basement excavation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000002950 deficient Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 210000003205 Muscles Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model provides a discontinuous concrete grouting pile and wall structure which comprises a plurality of concrete grouting piles, a plurality of connecting beams at the top of the piles, a plurality of retaining walls among the piles and a plurality of polyvinyl chloride (PVC) water outlet pipes, wherein the concrete grouting piles are connected with one another by the connecting beams at the top of the piles, the retaining walls among the piles are completely connected with the concrete grouting piles, one ends of the PVC water outlet pipes are inserted into the soil surface at one sides of the retaining walls among the piles, and the other ends of the PVC water outlet pipes slantways penetrate through the retaining walls among the piles. A plurality of steel bar rivets are inserted into the soil surface, and the steel bar rivets are connected with a plurality of steel bar net pieces in the retaining walls among the piles. The discontinuous concrete grouting pile and wall structure not only can be used as a temporary foundation pit support structure, but also can be used as a permanent retaining wall. After the discontinuous concrete grouting pile and wall structure is combined with a retaining wall of a basement, a water-proof layer is additionally formed, so that the structure can be used as an outer wall of the basement, thereby being a reliable and economical pile wall retaining structure. The discontinuous concrete grouting pile and wall structure has simple structure, explicit force application, convenient construction and cost saving.
Description
Technical field
The utility model relates to a kind of discontinuous cast-in-place concrete pile wall construction.This discontinuous cast-in-place concrete pile wall construction can be used as the interim retaining wall of deep pit digging, permanent retaining wall, basement wall.
Background technology
The continuous concrete castinplace pile has been used for many years, but still has certain defective.At first, stressed indeterminate, soil pressure is not only directly born in such stake, also bears skid resistance, and stake almost connects together, the antiskid calculating and the efficiency of pile groups complexity of stake.Secondly, such stake is discrete arranges that integral rigidity is poor, can not give full play to the integral body of stake and keep off native antiskid effect.Once more, because the construction technology restriction needs to leave the space of 200mm to 300mm between stake and stake, therefore dash, in the higher zone of groundwater table, can't use the continuous concrete castinplace pile fully.For remedying the defective that the continuous concrete castinplace pile can not dash, the ground worker has invented the associating soil-baffling structure of occlusion pile soil-baffling structure, cast-in-place concrete pile and pressure injection stake associating soil-baffling structure and continuous concrete castinplace pile retaining soil cooperation pressure grouting curtain dash on the basis of continuous concrete castinplace pile, but no matter adopt any soil-baffling structure based on continuous concrete grouting stake, at aspect the feasibility of constructing and economy aspect all more or less have an above-mentioned defective.
The utility model content
The purpose of this utility model is to provide a kind of discontinuous cast-in-place concrete pile wall construction, this discontinuous cast-in-place concrete pile wall construction is a kind of reliable, economic piling wall soil-baffling structure, both can be used as interim soil-baffling structure, can be used as permanent soil-baffling structure again, combination can become the two-in-one wall of basement with basement wall, is a kind of novel retaining wall structure.
For achieving the above object, the utility model by the following technical solutions:
A kind of discontinuous cast-in-place concrete pile wall construction, it comprises retaining wall and PVC gutter between cast-in-place concrete pile, stake top coupling beam, stake, connect by stake top coupling beam between the cast-in-place concrete pile, retaining wall is connected fully with cast-in-place concrete pile between stake, one end of PVC gutter is inserted in the native face that is positioned at retaining wall one side between stake, and the other end is retaining wall between stake athwart.
Be inserted with the reinforcing bar holdfast in the described native face, the body of wall reinforcing bar between this reinforcing bar holdfast and stake in the retaining wall is connected.
Body of wall reinforcing bar between described stake in the retaining wall adopts reinforced mesh, and this reinforced mesh colligation is on described reinforcing bar holdfast.
Described cast-in-place concrete pile diameter is 600～1200mm, and pile spacing is 1～3 stake footpath.
Retaining wall is cast-in-place concrete wall or sprayed mortar wall between described stake.
Described reinforcing bar holdfast adopts the quincunx interlaced arrangement, and spacing is less than 2m, and the degree of depth that described reinforcing bar holdfast inserts native face is 1～2m.
The diameter of described PVC gutter is 25mm～50mm, arranges a PVC gutter in the retaining wall between per two square metres stake, and its degree of depth that enters native face is 50mm-100mm, with the angle of horizontal plane be 5 °～15
Described discontinuous cast-in-place concrete pile wall construction be shaped as linear, circular arc or irregular camber line shape.
Advantage of the present utility model is:
Cast-in-place concrete pile is the main stress structure in the discontinuous cast-in-place concrete pile wall construction of the present utility model, and retaining wall is direct force structure between stake; Cast-in-place concrete pile plays the antiskid effect; The globality of retaining wall and integral rigidity are all much larger than the continuous concrete castinplace pile between rigidly connected cast-in-place concrete pile and stake.This discontinuous cast-in-place concrete pile wall construction not only can be used as interim foundation pit supporting construction, and can become permanent retaining wall.After being harmonious with basement retaining wall, adding and do waterproofing course, just can be used as outer wall of basement, is a kind of reliable, economic piling wall soil-baffling structure.
Discontinuous cast-in-place concrete pile wall construction of the present utility model is simple, and is stressed clear and definite, and convenient construction is saved cost.
Description of drawings
Fig. 1 is the utility model noncontinuity cast-in-place concrete pile wall construction cross-sectional drawing.
Fig. 2 is that the utility model reinforcing bar holdfast and PVC gutter are arranged sectional drawing.
Fig. 3 is the vertical profile of the utility model noncontinuity cast-in-place concrete pile wall construction.
The specific embodiment
As Figure 1-3, discontinuous cast-in-place concrete pile wall construction of the present utility model comprises retaining wall 3 and PVC gutter 5 between cast-in-place concrete pile 1, stake top coupling beam 2, stake, wherein connect by stake top coupling beam 2 between the cast-in-place concrete pile 1, retaining wall 3 is connected fully with cast-in-place concrete pile 1 between stake, PVC gutter 5 is arranged between stake in the retaining wall 3, one end is inserted in the native face 6 that is positioned at retaining wall 3 one sides between stake, and the other end is retaining wall 3 between stake athwart.Soil is inserted with reinforcing bar holdfast 4 in the face 6, and retaining wall 3 interior body of wall reinforcing bars are connected between this reinforcing bar holdfast 4 and stake.Body of wall reinforcing bar between stake in the retaining wall 3 can adopt reinforced mesh 7, and these reinforced mesh 7 colligations are on described reinforcing bar holdfast 4.
In discontinuous cast-in-place concrete pile retaining wall structure, cast-in-place concrete pile is a bending resistance component, as the rigidity size, the directly horizontal movement of the whole discontinuous cast-in-place concrete pile retaining wall system of influence, be laid with castinplace pile longitudinal reinforcement 8 and castinplace pile stirrup 9 in the cast-in-place concrete pile, according to actual needs by calculating to determine stake footpath size and quantity of reinforcement; Usually the cast-in-place concrete pile diameter is chosen as 600～1200mm, and pile spacing can be 1～3 stake footpath.Discontinuous cast-in-place concrete pile not only bears soil pressure and the water pressure that acts directly on the cast-in-place concrete pile, and bears horizontal earth pressure and horizontal water pressure and the corresponding moment of flexure that is transmitted by retaining wall between stake; Its stressed continuous concrete castinplace pile that is different from fully.
Connect by stake top coupling beam 2 between the cast-in-place concrete pile 1, the effect of the effect of this top coupling beam and continuous concrete castinplace pile coupling beam is just the same, is used for the contact of reinforcing concrete castinplace pile, prevents the differential settlement of cast-in-place concrete pile.Because the cast-in-place concrete pile in the discontinuous concrete spouting piling wall is discontinuous, the contact effect of cast-in-place concrete pile stake top coupling beam is more outstanding.
Retaining wall can select to adopt cast-in-place concrete wall or sprayed mortar wall according to actual field execution conditions and soil property, groundwater table situation between the stake in the discontinuous cast-in-place concrete pile retaining wall structure.The body of wall reinforcing bar can adopt reinforced mesh, to quicken construction speed, finishes reinforcing bar binding work at short notice.Steel mesh reinforcement must be firm colligation on the reinforcing bar holdfast.Clean out the embedded bar on the cast-in-place concrete pile, pull straight, and with stake between the reinforced mesh of retaining wall be connected.
The reinforcing bar holdfast generally adopts Φ 32, can adopt the steel scrap muscle, adopts plunging that the reinforcing bar holdfast is inserted in the native face.If soil property is too hard, can adopt machine drill hole, die model hand held, electric hole, select for use the aperture to be pressed into less than inserting the holdfast diameter, adding again during insertion; The reinforcing bar holdfast should adopt the quincunx interlaced arrangement, and spacing is not more than 2m, and the degree of depth that the reinforcing bar holdfast inserts native face is 1～2m.
The PVC gutter can in time drain into side slope infiltration behind the retaining wall between stake outside the retaining wall, prevents from not destroyed by a large amount of infiltration before concrete wall also reach design strength.After waiting to finish the construction of retaining wall between stake, can the shutoff gutter, in order to avoid foundation ditch ponding.The diameter of PVC gutter is 25mm～50mm, arranges a PVC gutter in the retaining wall between per two square metres stake, and the degree of depth that enters native face is 50-100mm, with the angle of horizontal plane be 5 °～15 °.
Discontinuous cast-in-place concrete pile retaining wall structure can adopt the layer and section groove to dig the formula excavation method in work progress, and this kind excavation construction method is an important step that guarantees whole discontinuous concrete spouting piling wall safety.Retaining wall coordinative construction between excavation construction and stake excavates one section, builds one section; Excavated the same day, and built the same day.Usually each section construction length is controlled in the 5m scope.The cutting depth of each layer is controlled in 1～2m scope.In the plane can multistage excavation construction simultaneously, but must alternation excavation.
Claims (8)
1. discontinuous cast-in-place concrete pile wall construction, it comprises retaining wall and PVC gutter between cast-in-place concrete pile, stake top coupling beam, stake, connect by stake top coupling beam between the cast-in-place concrete pile, retaining wall is connected fully with cast-in-place concrete pile between stake, one end of PVC gutter is inserted in the native face that is positioned at retaining wall one side between stake, and the other end is retaining wall between stake athwart.
2. discontinuous cast-in-place concrete pile wall construction according to claim 1 is characterized in that, is inserted with the reinforcing bar holdfast in the described native face, and the body of wall reinforcing bar between this reinforcing bar holdfast and stake in the retaining wall is connected.
3. discontinuous cast-in-place concrete pile wall construction according to claim 2 is characterized in that, the body of wall reinforcing bar between described stake in the retaining wall adopts reinforced mesh, and this reinforced mesh colligation is on described reinforcing bar holdfast.
4. discontinuous cast-in-place concrete pile wall construction according to claim 1 is characterized in that described cast-in-place concrete pile diameter is 600～1200mm, and pile spacing is 1～3 stake footpath.
5. discontinuous cast-in-place concrete pile wall construction according to claim 1 is characterized in that, retaining wall is cast-in-place concrete wall or sprayed mortar wall between described stake.
6. according to claim 2 or 3 described discontinuous cast-in-place concrete pile wall constructions, it is characterized in that described reinforcing bar holdfast adopts the quincunx interlaced arrangement, spacing is not more than 2m, and the degree of depth that described reinforcing bar holdfast inserts native face is 1～2m.
7. discontinuous cast-in-place concrete pile wall construction according to claim 1, it is characterized in that, the diameter of described PVC gutter is 25mm～50mm, arrange a PVC gutter in the retaining wall between per two square metres stake, its degree of depth that enters native face is 50-100mm, with the angle of horizontal plane be 5 °～15 °.
8. discontinuous cast-in-place concrete pile wall construction according to claim 1 is characterized in that, described discontinuous cast-in-place concrete pile wall construction be shaped as linear, circular arc or irregular camber line shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206075954U CN201874008U (en) | 2010-11-12 | 2010-11-12 | Discontinuous concrete grouting pile and wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206075954U CN201874008U (en) | 2010-11-12 | 2010-11-12 | Discontinuous concrete grouting pile and wall structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201874008U true CN201874008U (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206075954U Expired - Fee Related CN201874008U (en) | 2010-11-12 | 2010-11-12 | Discontinuous concrete grouting pile and wall structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201874008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103991A (en) * | 2013-02-01 | 2013-05-15 | 江苏省江建集团有限公司 | Composite outer wall structure of ultra-deep basement |
| CN103981896A (en) * | 2014-04-11 | 2014-08-13 | 中建四局第六建筑工程有限公司 | Seamless connecting construction method for basement outer wall and fender piles |
-
2010
- 2010-11-12 CN CN2010206075954U patent/CN201874008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103991A (en) * | 2013-02-01 | 2013-05-15 | 江苏省江建集团有限公司 | Composite outer wall structure of ultra-deep basement |
| CN103981896A (en) * | 2014-04-11 | 2014-08-13 | 中建四局第六建筑工程有限公司 | Seamless connecting construction method for basement outer wall and fender piles |
| CN103981896B (en) * | 2014-04-11 | 2016-01-20 | 中建四局第六建筑工程有限公司 | The seamless link construction method of a kind of outer wall of basement and fender post |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20151112 |
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| EXPY | Termination of patent right or utility model |