CN204401602U - A kind of rigid-flexible composite support water stop RCP stake - Google Patents
A kind of rigid-flexible composite support water stop RCP stake Download PDFInfo
- Publication number
- CN204401602U CN204401602U CN201420674402.5U CN201420674402U CN204401602U CN 204401602 U CN204401602 U CN 204401602U CN 201420674402 U CN201420674402 U CN 201420674402U CN 204401602 U CN204401602 U CN 204401602U
- Authority
- CN
- China
- Prior art keywords
- stake
- rigid
- water stop
- rcp
- support water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model relates to building field, and spy relates to a kind of rigid-flexible composite support water stop RCP stake.The utility model rigid core stake long side direction and support water stop close the axes normal of diaphragm wall, center distance between agitation pile two is all less than 1 times of stake diameter, form the common factor bite of the flexible pile body of agitation pile, the sequential production of RCP stake can form support water stop and close diaphragm wall, the intensity of the flexible frictional resistance of cement mixing method and the core stake of rigidity is fully played, jointly stressed, thus significantly improve the bearing capacity of single pile.The utility model significantly can reduce construction costs, and again because cement mixing method in position stratum carries out stirring into stake, work progress can not produce mud and pollution substantially, very environmental protection.
Description
Technical field
The utility model relates to building field, and spy relates to a kind of rigid-flexible composite support water stop RCP stake.
Background technology
Industry and the supporting of residential construction area deep foundation ditch generally all adopt conventional boring cast-in-place concrete pile as soldier pile, the method has a common feature to be: need to carry out SMW engineering method outside the boring concrete support stake deep foundation ditch of construction or the method such as Deep Mix Column into Supporting, high-pressure rotary jet grouting pile carries out sealing, construction costs is higher, and construction period is longer.Due to the plasma discharge (soil) in boring Concrete Grouting Pale process to the pollution of surrounding enviroment comparatively greatly, and the discharge of mud, transport and can cause larger construction cost with throwing aside, not environmentally.
Utility model content
Problem for technical background is not enough, the utility model provides a kind of rigid-flexible composite support water stop RCP stake, namely the characteristic that cement mixing method and original position foundation soil combine together is well utilized, and the feature that the large stagnant water effect of side friction is good, the reinforced concrete prefabricated core stake of different geometries is inserted in time after agitation pile pile completes, be combined into rigid-flexible composite RCP stake, the intensity of the flexible frictional resistance of cement mixing method and the core stake of rigidity is fully played, jointly stressed, thus significantly improve the bearing capacity of single pile.The utility model adopts the combination of two kinds of pile-formation process, significantly can reduce construction costs, and again because cement mixing method in position stratum carries out stirring into stake, work progress can not produce mud and pollution substantially, very environmental protection.
The technical solution of the utility model is: a kind of rigid-flexible composite support water stop RCP stake, comprise: agitation pile (1), rigid core stake, common factor bite (3), support water stop closes diaphragm wall (4), descending grade foundation ditch (5), in the scope of descending grade foundation ditch (5), after utilizing major diameter cement mixing method (1) pile, insert the reinforced concrete prefabricated rigid core stake that cross section is rectangle shape in time, rigid core stake long side direction and support water stop close the axes normal of diaphragm wall (4), center distance between agitation pile (1) two is all less than 1 times of stake diameter, the common factor bite (3) of the flexible pile body of agitation pile can be formed, the sequential production of RCP stake can form support water stop and close diaphragm wall (4).
Rigid-flexible composite support water stop RCP as above stake, is characterized in that: described rigid core stake single-unit length≤15 meter, adopts the mode of merogenesis to make when single-unit length >=15 meter.
Rigid-flexible composite support water stop RCP as above stake, it is characterized in that: after described agitation pile (1) completes, after utilizing major diameter cement mixing method pile, Soil-cement body is in soft, and its state not yet consolidation time, in agitation pile (1) center, insert rigid core stake by micro-vibration or static pressure method.
Rigid-flexible composite support water stop RCP as above stake, is characterized in that: described rigid core stake is rigidity rectangular core stake (2) or rigidity I-shaped section of core stake (8).
Rigid-flexible composite support water stop RCP as above stake, is characterized in that: described rigid core stake is primarily of rigidity pile body (2a, 8a), and the main muscle of reinforcing bar (2b, 8b), stirrup (2c, 8c) forms.
Rigid-flexible composite support water stop RCP as above stake, is characterized in that: described pile body is cantilever supporting hole wall construction, and loading characteristic is semi girder form opposing hole wall soil pressure, and cantilever beam action is played in the rigid core stake in pile body.
Rigid-flexible composite support water stop RCP as above stake, is characterized in that: described rigid-flexible composite support water stop RCP stake adopts continuous print method in a row to construct in the surrounding of deep foundation ditch.
Rigid-flexible composite support water stop RCP as above stake; it is characterized in that: the concrete grade >=C25 of described rigid core stake pile body (2a, 8a); it is HRB >=400 grade that the main muscle of reinforcing bar (2b, 8b) is joined by institute; stirrup (2c, 8c) is φ 8@250, topping 3 ㎝.
Rigid-flexible composite support water stop RCP as above stake, is characterized in that: the diameter of described major diameter cement mixing method (1) is 500 ~ 1500 ㎜, cylindrical stake; Stake is long is 8 ~ 25m, and pile cement mixing content is 12 ~ 18% with the ratio of the weight of foundation soil body.
Accompanying drawing explanation
Fig. 1 is rigid-flexible composite support water stop RCP stake (the rectangular core stake) cut-away view for deep foundation pit support sealing;
Fig. 1 a is the top view of Fig. 1;
Fig. 1 b is the top view of multiple support water stop RCP stake;
Fig. 2 is rigid-flexible composite support water stop RCP stake (stake of the I-shaped core) cut-away view for deep foundation pit support sealing;
Fig. 2 a is the top view of Fig. 2;
Fig. 3 is rigid-flexible composite support water stop RCP stake single pile structure (rectangular core stake) schematic diagram;
Fig. 4 is rigid-flexible composite support water stop RCP stake single pile structure (stake of I-shaped core) schematic diagram.
Detailed description of the invention
Explanation of nouns: rigid-flexible composite support water stop RCP stake, its English is Rigid flexible composite water retaining pile, English lexical or textual analysis: Rigid flexible composite---rigid-flexible composite, Water---sealing, retaining pile---soldier pile.
Accompanying drawing 1 and accompanying drawing 2 description of symbols: agitation pile 1, the rectangular core stake 2 of rigidity, common factor bite 3, support water stop closes diaphragm wall 4, descending grade foundation ditch 5, outside deep foundation ditch 6, inside deep foundation ditch and base plate 7, rigidity I-shaped section of core stake 8.
Accompanying drawing 3 description of symbols: agitation pile 1, rigidity pile body 2a, the main muscle 2b of reinforcing bar, stirrup 2c.
Accompanying drawing 4 description of symbols: agitation pile 1, rigidity pile body 8a, the main muscle 8b of reinforcing bar, stirrup 8c.
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, rigid-flexible composite support water stop RCP of the present utility model stake, its structure mainly comprises: agitation pile 1, the rectangular core stake 2 of rigidity, common factor bite 3, and support water stop closes diaphragm wall 4, descending grade foundation ditch 5, rigidity I-shaped section of core stake 8.Rigid-flexible composite support water stop RCP of the present utility model stake outside deep foundation ditch 6 and deep foundation ditch inside and between base plate 7.
Rigid-flexible composite support water stop RCP of the present utility model stake, is mainly applicable to supporting and the sealing of building foundation deep foundation ditch.
As depicted in figs. 1 and 2, for technical characteristic of the present utility model during deep foundation pit support being: in the scope of descending grade foundation ditch 5, after utilizing major diameter cement mixing method 1 pile, insert the reinforced concrete prefabricated rigid core stake 2 that cross section is rectangle shape in time, when inserting installation, by the axes normal of long side direction and pattern foundation pit supporting structure body of wall 4, to increase the horizontal force (see Fig. 1) of pattern foundation pit supporting structure, inside deep foundation ditch and after in the hole of base plate 7, soil mud removes, play deep foundation pit support, the effect of 6 hole wall soil pressures outside opposing deep foundation ditch.Rigid-flexible composite support water stop RCP stake adopts continuous print method in a row to construct in the surrounding of deep foundation ditch, because the center distance between its two is all less than 1 times of stake diameter, can form the common factor bite 3 of the flexible pile body of agitation pile.As shown in Figure 1 b, the sequential production of pile body can form support water stop and close diaphragm wall 4, reaches the dual-use function of deep foundation pit support and sealing, thus improves work efficiency and reduce costs.
As shown in Figure 1, the single pile structure of rigid-flexible composite support water stop RCP stake is by the major diameter cement mixing method 1 of first constructing, the agitation pile center just completed afterwards, is combined by micro-vibration or static pressure method insertion rigid core stake 2.Rigid core stake 2 primarily of: rigidity pile body 2a, the main muscle 2b of reinforcing bar, stirrup 2c forms.The geometry of rigid core stake can be rectangle (see Fig. 3) or I-shaped (see Fig. 4), installs according to the direction that the stake of different geometries core is maximum and vertical with the continuous body of wall of deep foundation pit support 4 by bending resistance.Rigid core stake plays pattern foundation pit supporting structure, and cement mixing method is low-intensity flexibility pile body, play firm rigid core stake, inserting the micro-vibration produced in rigid core stake process, make core stake and cement mixing method have good affine bonding property, be combined into rigid-flexible composite support water stop RCP stake.
Rigid-flexible composite support water stop RCP stake is when deep foundation ditch is applied, pile body is cantilever supporting hole wall construction (see Fig. 1 and Fig. 2), loading characteristic is semi girder (post) form opposing hole wall soil pressure, and cantilever beam action is played in the rigid core stake in pile body.Rigid-flexible composite support water stop RCP stake adopts continuous print method in a row to construct in the surrounding of deep foundation ditch, because the center distance between its two is all less than 1 times of stake diameter, the common factor occlusal area 3 of the flexible pile body of agitation pile can be formed, form continuous supporting sealing and close diaphragm wall 4, play the effect of water seal for deep foundation pit.
As shown in Figure 3, the concrete grade >=C25 of the utility model rigid-flexible composite support water stop RCP stake rectangle rigid core stake pile body 2a, it is HRB >=400 grade that the main muscle 2b of reinforcing bar joins in institute, and stirrup 2c is φ 8@250, topping 3 ㎝.
As shown in Figure 4: the concrete grade >=C25 of the utility model rigid-flexible composite support water stop RCP stake I-shaped rigid core stake pile body 8a, it is HRB >=400 grade that the main muscle 8b of reinforcing bar joins in institute, and stirrup 8c is φ 8@250, topping 3 ㎝.
Major diameter cement mixing method 1 shown in Fig. 3, Fig. 4, its diameter is 500 ~ 1500 ㎜, cylindrical stake; Stake is long is generally 8 ~ 25m, and pile cement mixing content is 12 ~ 18% with the ratio of the weight of foundation soil body; Two-way (multidirectional) paddling process of coaxial rotating must be adopted or adopt conventional construction technique, secondary can be adopted if desired to repeat stirring technique.
The utility model rigid-flexible composite support water stop RCP stake, when the length of stake is greater than 15m, its core stake should adopt the mode of merogenesis to make, and adopts flange between joint and joint, and arc welding connects or high-strength bolt connects.
A kind of rigid-flexible composite support water stop RCP stake also can be steel cross sectional shape for rigid core stake during deep foundation pit support is rigidity I-shaped section of core stake 8, and length is welded to connect with docking mode.The long limit center position of I-shaped shaped steel and the axes normal of deep foundation pit support body of wall.(see Fig. 2).
Claims (7)
1. rigid-flexible composite support water stop RCP stake, comprise: agitation pile (1), rigid core stake, common factor bite (3), support water stop closes diaphragm wall (4), descending grade foundation ditch (5), in the scope of descending grade foundation ditch (5), in major diameter cement mixing method (1), Formation cross-section is rectangle the reinforced concrete prefabricated rigid core stake of shape; Rigid core stake long side direction and support water stop close the axes normal of diaphragm wall (4), center distance between agitation pile (1) two is all less than 1 times of stake diameter, can form the common factor bite (3) of the flexible pile body of agitation pile, the sequential production of RCP stake can form support water stop and close diaphragm wall (4).
2. rigid-flexible composite support water stop RCP stake as claimed in claim 1, is characterized in that: described rigid core stake single-unit length≤15 meter, adopts the mode of merogenesis to make when single-unit length >=15 meter.
3. rigid-flexible composite support water stop RCP stake as claimed in claim 1, is characterized in that: described rigid core stake is rigidity rectangular core stake (2) or rigidity I-shaped section of core stake (8).
4. rigid-flexible composite support water stop RCP stake as claimed in claim 3, is characterized in that: described rigid core stake is primarily of rigidity pile body (2a, 8a)
,the main muscle of reinforcing bar (2b, 8b), stirrup (2c, 8c) forms.
5. any one the rigid-flexible composite support water stop RCP stake as described in Claims 1-4, it is characterized in that: described pile body is cantilever supporting hole wall construction, loading characteristic is semi girder form opposing hole wall soil pressure, and cantilever beam action is played in the rigid core stake in pile body.
6. rigid-flexible composite support water stop RCP stake as claimed in claim 4; it is characterized in that: the concrete grade >=C25 of described rigid core stake pile body (2a, 8a); it is HRB >=400 grade that the main muscle of reinforcing bar (2b, 8b) is joined by institute, and stirrup (2c, 8c) is φ 8@250, topping 3 ㎝.
7. any one the rigid-flexible composite support water stop RCP stake as described in Claims 1-4, is characterized in that: the diameter of described major diameter cement mixing method (1) is 500 ~ 1500 ㎜, cylindrical stake; Stake is long is 8 ~ 25m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674402.5U CN204401602U (en) | 2015-02-25 | 2015-02-25 | A kind of rigid-flexible composite support water stop RCP stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674402.5U CN204401602U (en) | 2015-02-25 | 2015-02-25 | A kind of rigid-flexible composite support water stop RCP stake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204401602U true CN204401602U (en) | 2015-06-17 |
Family
ID=53425478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674402.5U Active CN204401602U (en) | 2015-02-25 | 2015-02-25 | A kind of rigid-flexible composite support water stop RCP stake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204401602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592584A (en) * | 2016-11-28 | 2017-04-26 | 林清辉 | Anti-deviation structure for engineering pile on soft soil foundation and construction process |
| CN110528503A (en) * | 2018-05-23 | 2019-12-03 | 杭州南联地基基础工程有限公司 | Wall construction method is gone along with sb. to guard him in the implantation prefabricated reinforced concrete stake of deep slot type soil-cement |
-
2015
- 2015-02-25 CN CN201420674402.5U patent/CN204401602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592584A (en) * | 2016-11-28 | 2017-04-26 | 林清辉 | Anti-deviation structure for engineering pile on soft soil foundation and construction process |
| CN110528503A (en) * | 2018-05-23 | 2019-12-03 | 杭州南联地基基础工程有限公司 | Wall construction method is gone along with sb. to guard him in the implantation prefabricated reinforced concrete stake of deep slot type soil-cement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109024651B (en) | Steel pipe concrete mixed pile foundation and construction method | |
| CN206971232U (en) | A kind of oblique inner support foundation pit enclosure structure of shaped steel cement earth pile | |
| CN207597395U (en) | The foundation pit enclosure structure system of steel pipe and the compound diagonal brace combination campshed of PHC pile piles | |
| CN202509533U (en) | Single reinforcement pulling force type anti-floating anchor rod | |
| CN201857606U (en) | Novel combined uplift pile | |
| CN201512810U (en) | Retaining wall | |
| CN204401602U (en) | A kind of rigid-flexible composite support water stop RCP stake | |
| CN208934258U (en) | A kind of prefabricated assembled steel core concrete column connected structure part | |
| CN205502024U (en) | Arch combination envelope that can partially retrieve | |
| CN103603357B (en) | A kind of multi-platform without inner support self waterproofing foundation pit enclosure structure and constructional method thereof | |
| CN208441117U (en) | A kind of built pile supporting construction of cement mixing method interplantation tubular pole and fashioned iron | |
| CN102220764B (en) | Construction method of deep foundation pit bracing system | |
| CN106677162A (en) | Stiff composite precast sheet pile envelope structure | |
| CN207159990U (en) | One kind combination steel construction support pile | |
| CN203866852U (en) | Anti-floating pile structure composited by deep spiral-spraying cement soil plate and anchor rod | |
| CN205576957U (en) | Stake end pilework | |
| CN102493439A (en) | Building fundamental pile constructional element | |
| CN202830936U (en) | Supporting structure of foundation pit | |
| CN107326896A (en) | One kind combination steel construction support pile and construction method | |
| CN104831735B (en) | The sealing supporting construction of a kind of curtain unification and construction method thereof and construction equipment | |
| CN113882425B (en) | Hole digging foundation structure for high and steep slope and construction method | |
| CN106703023B (en) | A kind of four wing prefabricated pile of hydraulic paddle type mill and its construction method | |
| CN202139604U (en) | Cast-in-situ abnormal reinforced concrete pile core cement soil underground continuous wall for retaining and protection for foundation excavation | |
| CN205776152U (en) | Prestressed anchor waveform sheet pile retaining structure | |
| CN102677679A (en) | Cement-soil diaphragm wall with cast-in-situ special-shaped reinforced concrete pile cores for construction of foundation pits |
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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430062 Wuchang, Wuhan, Xu Dong Avenue, international city, building B, block 28, floor 8, floor Patentee after: Wuhan Qiancheng Piling Technology Co., Ltd. Address before: 430062 Wuchang, Wuhan, Xu Dong Avenue, international city, building B, block 28, floor 8, floor Patentee before: Wuhan High Iron Pickets Work Technology Co.,Ltd. |