CN114108648B - Soft soil foundation pit stirring pile wall cantilever retaining structure - Google Patents
Soft soil foundation pit stirring pile wall cantilever retaining structure Download PDFInfo
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- CN114108648B CN114108648B CN202111439384.3A CN202111439384A CN114108648B CN 114108648 B CN114108648 B CN 114108648B CN 202111439384 A CN202111439384 A CN 202111439384A CN 114108648 B CN114108648 B CN 114108648B
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- soft soil
- soil foundation
- groove
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
Abstract
The utility model relates to a soft soil foundation ditch stirring pile wall cantilever retaining structure uses in the field of soft soil foundation ditch processing technology, and it includes a plurality of stirring stake of arranging in succession all around along the soft soil foundation ditch, and a plurality of stirring stakes form the pile wall around the soft soil foundation ditch, lie in on the soft soil foundation the pile wall dorsad one side of soft soil foundation ditch is equipped with the diaphragm tank, the diaphragm tank with pile wall intercommunication sets up, form the diaphragm wall through concreting in the diaphragm tank. This application has the steadiness that promotes the pile wall structure, makes the pile wall difficult emergence slope in the soft soil foundation ditch when receiving lateral pressure to keep the stable effect of whole envelope.
Description
Technical Field
The application relates to the field of soft soil foundation pit processing technology, in particular to a cantilever support structure of a stirring pile wall of a soft soil foundation pit.
Background
The soft soil foundation refers to a soft soil layer with low strength and higher compression amount. Because the soft soil foundation is low in strength and large in sinking amount, the soft soil foundation pit needs to be surrounded in the construction process and after the construction is finished, so that the construction and personnel safety are prevented from being affected due to the fact that the periphery of the soft soil foundation pit collapses.
At present, a cement soil mixing pile is often adopted as a pile wall to form a cantilever type enclosure structure for a soft soil foundation pit. The continuous mixing piles are arranged around the soft soil foundation pit, when the soft soil foundation pit is large in space and deep in depth, the surrounding soil layers can generate large lateral pressure on the foundation pit, the mixing piles need to bear the large lateral pressure, and therefore the whole pile wall is prone to inclining towards the interior of the foundation pit, and the enclosure structure loses stability.
Disclosure of Invention
In order to improve the piling wall and easily take place to incline towards the foundation ditch in when receiving great lateral pressure, make this envelope lose stable problem, this application provides a soft soil foundation ditch stirring piling wall cantilever envelope.
The application provides a pair of soft soil foundation pit stirring pile wall cantilever envelope adopts following technical scheme:
the utility model provides a soft soil foundation ditch stirring pile wall cantilever retaining structure, includes a plurality of stirring stake of arranging in succession all around along the soft soil foundation ditch, and a plurality of stirring stakes form the pile wall around the soft soil foundation ditch, lie in on the soft soil foundation the pile wall dorsad one side of soft soil foundation ditch is equipped with the continuous groove, the continuous groove with pile wall intercommunication sets up, form the continuous wall through concreting in the continuous groove.
Through adopting above-mentioned technical scheme, the diaphragm wall solidifies and forms for solidifying behind the continuous groove concreting, behind the diaphragm wall shaping, can connect into a whole with all stirring stake for whole stake wall is more durable firm, with the lateral pressure that better resists soil layer production all around, thereby whole stake wall just is difficult for taking place to incline towards in the soft soil foundation ditch, keeps this envelope's stability.
Optionally, an inner supporting framework is arranged between each two adjacent stirring piles and the inner wall of the continuous groove, and one end of each inner supporting framework is connected with one of the stirring piles, and the other end of each inner supporting framework is connected with the other stirring pile through expansion bolts; and the inner supporting framework is connected with the inner wall of the continuous groove through a connecting mechanism.
Through adopting above-mentioned technical scheme, all connect the internal stay skeleton between the inner wall of two adjacent stirring stake and continuous groove, the internal stay skeleton can increase the inside structural strength of continuous wall on the one hand, and on the other hand forms the strong support between stake wall and soft soil foundation to make the structure of whole stake wall more durable firm, thereby can be better resist the lateral pressure that the soil layer produced all around.
Optionally, coupling mechanism buries pole and integrated into one piece including connecting and connects in connecting the go-between of burying pole one end, the connecting hole has been seted up on the internal stay skeleton, connect and bury the pole warp the connecting hole passes the internal stay skeleton and bury underground to the soft soil foundation in, the go-between butt in on the internal stay skeleton.
Through adopting above-mentioned technical scheme, the position that the internal stay skeleton is located between two adjacent stirring stake supports tightly in the inner wall of continuous groove, connects to bury the pole and insert after passing the connecting hole and establish to the soft soil foundation in, until the go-between butt on the internal stay skeleton to rely on connecting to bury the pole and fix internal stay skeleton and soft soil foundation mutually.
Optionally, the inner supporting framework is provided with an expansion gap communicated with the connecting hole, the expansion gap is located above the connecting hole and penetrates through the upper end wall of the inner supporting framework, the width of the expansion gap is smaller than the diameter of the connecting hole, and the diameter of the connecting embedded rod is the same as the diameter of the connecting hole; the connecting embedded rod is placed into the connecting hole through the expansion gap.
Through adopting above-mentioned technical scheme, the width of inflation breach is less than the diameter of connecting hole, and the diameter of connecting the pole of burying is the same with the diameter of connecting hole, consequently, when needs will connect the pole of burying and put into the connecting hole, will connect and bury the pole and at first put into the inflation breach in, put into the connecting hole again through the inflation breach, at this in-process, the inflation breach can be connected and bury the pole and prop big, treat to connect and bury the pole and put into the connecting hole after, the inflation breach can the reconversion. Set up the inflation breach and be convenient for the operator on the one hand and bury the pole and put into the connecting hole with connecting, on the other hand is connected and is buried the pole and put into the connecting hole after, the inflation breach can the reconversion, at this moment connect and bury the pole and just be difficult for falling out the internal stay skeleton from the inflation breach.
Optionally, the soft soil foundation is provided with connecting grooves corresponding to the positions of the connecting embedded rods, the connecting grooves are communicated with the continuous grooves, the connecting embedded rods are placed in the connecting grooves, and connecting concrete is formed in the connecting grooves through concrete pouring.
Through adopting above-mentioned technical scheme, connect the concrete and solidify and form for concreting behind the spread groove in the spread groove, connect the concrete and bury the pole with connecting and be connected, replace to connect and bury the pole and directly be connected with soft soil foundation for it is more firm to connect to bury the pole, so makes the internal stay skeleton more firm.
Optionally, the connecting groove with the intercommunication department in continuous groove is equipped with the reducing groove, the connecting groove with continuous groove passes through the reducing groove intercommunication, the groove width in reducing groove by the connecting groove court the direction in continuous groove narrows gradually.
By adopting the technical scheme, in the process of pouring concrete into the continuous groove to form the continuous wall and pouring concrete into the connecting groove to form the connecting concrete, the variable diameter groove can be filled with concrete, and the continuous wall and the connecting concrete can be connected into a whole after the concrete at the variable diameter groove is solidified. The tapered groove can increase the pulling resistance of the connecting concrete on one hand, so that the connecting concrete can better pull the pile wall and is not easy to separate from the connecting groove when the pile wall is subjected to lateral pressure, and the condition that the pile wall inclines towards the soft foundation pit can be reduced; on the other hand, after the size of the inner supporting framework is set, the size of the connecting groove can be increased by arranging the reducing groove, namely the size of the connecting concrete can be increased, so that the enclosure structure is kept more stable.
Optionally, a reinforcing steel column is embedded in the soft soil foundation between the connecting groove and the continuous groove and located on two sides of the reducing groove, two connecting steel plates are welded at the top of the reinforcing steel column, and one of the connecting steel plates extends to the continuous wall and is connected with the continuous wall through a connecting bolt; and the other connecting steel plate extends to the connecting concrete and is connected with the connecting concrete through a connecting bolt.
Through adopting above-mentioned technical scheme, set up and consolidate the steel column and be used for consolidating the soft soil foundation between spread groove and the continuous groove to reduce the in-process that the pile wall received lateral pressure, the pile wall takes place to incline and the pulling connection concrete towards soft soil foundation ditch in, causes the destroyed condition of the soft soil foundation at this position.
Optionally, the top of the pile wall is provided with a connecting beam along the periphery, and the connecting beam connects all the mixing piles.
Through adopting above-mentioned technical scheme, the tie beam is connected all stirring piles for improve the steadiness of whole pile wall upper segment structure.
Optionally, one side of the pile wall facing the soft soil foundation pit is provided with a maintaining beam along the periphery, and the maintaining beam connects all the stirring piles.
Through adopting above-mentioned technical scheme, the maintenance roof beam also connects all mixing piles, can improve the steadiness of whole pile wall middle section structure.
Optionally, a plurality of inclined struts are arranged around the soft soil foundation pit, the upper ends of the inclined struts are connected with the connecting beam and the maintaining beam simultaneously, and the lower ends of the inclined struts are buried at the bottom of the soft soil foundation pit.
By adopting the technical scheme, the inclined support forms a strong support for the pile wall in the soft soil foundation pit, so that the whole pile wall can better resist the lateral pressure generated by the surrounding soil layers, and the stability of the enclosure structure is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the continuous wall is formed by pouring concrete in the continuous groove and then solidifying, and all the mixing piles can be connected into a whole, so that the whole pile wall is firmer and more stable to better resist the lateral pressure generated by the surrounding soil layers, the whole pile wall is not easy to incline towards the interior of the soft soil foundation pit, and the stability of the enclosure structure can be kept;
2. the internal supporting framework can increase the structural strength inside the continuous wall on one hand, and form a strong support between the pile wall and the soft soil foundation on the other hand, so that the structure of the whole pile wall is firmer and more stable, and the lateral pressure generated by the surrounding soil layer can be better resisted;
3. the connecting concrete is formed by pouring concrete in the connecting groove and then solidifying, the connecting concrete is connected with the connecting embedded rod, the connecting embedded rod is replaced to be directly connected with the soft soil foundation, the connecting embedded rod is more stable, and therefore the inner support framework is more stable.
Drawings
Fig. 1 is a schematic diagram of a soft soil foundation pit stirring pile wall cantilever support structure in the embodiment of the application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view of an internal stay skeleton in an embodiment of the present application.
Reference numerals are as follows: 1. a soft soil foundation pit; 2. stirring the piles; 21. piling walls; 3. a continuous groove; 31. a continuous wall; 4. connecting grooves; 41. connecting concrete; 5. a reducing groove; 6. an internal bracing skeleton; 61. connecting holes; 62. an expansion gap; 7. an expansion bolt; 8. a connecting mechanism; 81. connecting the embedded rods; 82. a connecting ring; 9. reinforcing the steel column; 10. connecting steel plates; 11. a connecting bolt; 12. a tie-beam; 13. tying a beam; 14. and (5) obliquely supporting.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses soft soil foundation pit stirring pile wall cantilever envelope. Referring to fig. 1, the soft soil foundation pit stirring pile wall cantilever support structure comprises a plurality of stirring piles 2 continuously arranged along the periphery of the soft soil foundation pit 1, the soft soil foundation pit 1 is a rectangular foundation pit dug on a soft soil foundation, the stirring piles 2 are circular pile bodies, and the stirring piles 2 form pile walls 21 around the soft soil foundation pit 1.
Referring to fig. 1 and 2, a continuous groove 3 is dug on one side of the pile wall 21 facing away from the soft soil foundation pit 1 on the soft soil foundation, the continuous groove 3 is arranged around the soft soil foundation pit 1, and the continuous groove 3 is communicated with the pile wall 21, so that one part of the pile wall 21 is positioned in the soft soil foundation pit 1, and the other part of the pile wall 21 is positioned in the continuous groove 3. All dig between corresponding to adjacent two stirring stake 2 on the soft soil foundation and be equipped with spread groove 4, the more continuous groove 3's of the degree of depth of spread groove 4 degree of depth is shallow, and lie in on the soft soil foundation and dig between spread groove 4 and the continuous groove 3 and be equipped with reducing groove 5, the degree of depth of reducing groove 5 is the same with the degree of depth of spread groove 4, reducing groove 5 with spread groove 4 and continuous groove 3 intercommunication, the groove width of reducing groove 5 is narrowed gradually towards continuous groove 3's direction by spread groove 4.
Referring to fig. 2 and 3, all be equipped with internal stay skeleton 6 between two adjacent stirring stake 2 in continuous groove 3, internal stay skeleton 6 is "nearly" font metal steel frame, the one end of internal stay skeleton 6 is fixed in on one of them stirring stake 2 through expansion bolts 7, the other end of internal stay skeleton 6 also is fixed in on another stirring stake 2 through expansion bolts 7, the middle section position of internal stay skeleton 6 supports tightly on the inner wall of continuous groove 3, concretely, the middle section position of internal stay skeleton 6 supports tightly in the both sides of reducing groove 5, be connected through coupling mechanism 8 between the middle section position of internal stay skeleton 6 and the soft soil ground.
Referring to fig. 3, the connection mechanism 8 includes a connection embedded rod 81 and a connection ring 82 integrally connected to one end of the connection embedded rod 81, a connection hole 61 is provided at a communication position of the inner support frame 6 corresponding to the variable diameter groove 5 and the continuous groove 3, the diameter of the connection hole 61 is the same as the diameter of the connection embedded rod 81, an expansion notch 62 is provided above the connection hole 61 on the inner support frame 6, the expansion notch 62 is communicated with the connection hole 61, the expansion notch 62 penetrates through the upper end wall of the inner support frame 6, and the width of the expansion notch 62 is smaller than the diameter of the connection hole 61. The operator can put the connection embedding rod 81 into the connection hole 61 through the expansion notch 62, and then the operator pushes the connection embedding rod 81 until the connection ring 82 abuts against the inner supporting frame 6, at this time, the connection embedding rod 81 passes through the reducing groove 5 and extends into the connection groove 4.
In the process that an operator puts the connecting embedded rod 81 into the connecting hole 61 through the expansion gap 62, the expansion gap 62 is expanded by the connecting embedded rod 81, and after the connecting embedded rod 81 is put into the connecting hole 61, the expansion gap 62 is restored to the original state to realize the closing-in. The expansion gap 62 is arranged, so that an operator can conveniently install and connect the embedded rod 81, and the embedded rod 81 can restore to the original state, so that the connection embedded rod 81 is not easy to fall out of the inner support framework 6 from the expansion gap 62.
Referring to fig. 1 and 3, the operator simultaneously pours concrete into the continuous groove 3 and the connecting groove 4, and during the pouring process, the concrete also fills the reducing groove 5, and finally, after the concrete is solidified, the continuous wall 31 is formed in the continuous groove 3 and the connecting concrete 41 is formed in the connecting groove 4. The continuous wall 31 can connect all the mixing piles 2 into a whole, so that the whole pile wall 21 is firmer and more stable to better resist the lateral pressure generated by the surrounding soil layers, and the whole pile wall 21 is not easy to incline towards the soft soil foundation pit 1, and the stability of the enclosure structure is kept. In addition, the process of forming the connecting concrete 41 is also the process of fixing the connecting embedded rods 81, and after the connecting concrete 41 is molded, the connecting embedded rods 81 can be fixed, so that the whole internal support framework 6 can be fixed. Set up internal stay skeleton 6, on the one hand can increase the inside structural strength of diaphragm wall 31, on the other hand forms strong support between pile wall 21 and soft soil foundation to make whole pile wall 21's structure more durable firm, thereby can be better resist the lateral pressure that the soil layer produced all around.
Referring to fig. 2, after the concrete in the variable diameter tank 5 is solidified, the diaphragm wall 31 and the connection concrete 41 are integrally connected. The tapered slot 5 can increase the pulling resistance of the connecting concrete 41, so that when the pile wall 21 is subjected to lateral pressure, the connecting concrete 41 can better pull the pile wall 21 and is not easy to separate from the connecting slot 4, and the condition that the pile wall 21 inclines towards the soft foundation pit 1 can be reduced; on the other hand, after the size of the inner supporting framework 6 is set, the size of the connecting groove 4 can be increased by arranging the reducing groove 5, namely the size of the connecting concrete 41 can be increased, so that the envelope structure is kept more stable.
In order to reinforce the soft foundation between the connecting groove 4 and the continuous groove 3, the condition that the soft foundation at the part is damaged because the pile wall 21 inclines towards the interior of the soft foundation pit 1 and pulls the connecting concrete 41 when the pile wall 21 is subjected to lateral pressure is reduced. An operator can embed reinforcing steel columns 9 in the soft soil foundations on the two sides of the reducing groove 5, and the reinforcing steel columns 9 can reinforce the soft soil foundations at the positions; in order to improve the stability of the reinforced steel column 9, two connecting steel plates 10 are welded on the top of the reinforced steel column 9, one connecting steel plate 10 is fixed on the continuous wall 31 through a connecting bolt 11, and the other connecting steel plate 10 is fixed on the connecting concrete 41 through the connecting bolt 11.
Referring to fig. 1, a connection beam 12 is circumferentially arranged on the top of a pile wall 21, a maintenance beam 13 is circumferentially arranged on the middle section of the inner side of the pile wall 21, the connection beam 12 and the maintenance beam 13 are both H-shaped steel beams, the connection beam 12 and the maintenance beam 13 are both fixed on the pile wall 21 through bolts, and the connection beam 12 and the maintenance beam 13 can improve the structural stability of the whole pile wall 21. In addition, a plurality of inclined supports 14 are arranged around the inner edge of the soft soil foundation pit 1, the upper ends of the inclined supports 14 are fixed with the connecting beams 12 and the maintaining beams 13 through bolts, the lower ends of the inclined supports 14 are embedded at the bottom of the soft soil foundation pit 1, and the inclined supports 14 form powerful supports for the pile wall 21, so that the whole pile wall 21 can better resist lateral pressure generated by surrounding soil layers, and the stability of the enclosure structure is improved.
The implementation principle of the cantilever support structure of the stirring pile wall of the soft soil foundation pit is as follows: a plurality of mixing piles 2 are continuously arranged around the soft soil foundation pit 1, the mixing piles 2 form a pile wall 21 around the soft soil foundation pit 1, one side of the pile wall 21, which faces away from the soft soil foundation pit 1, on the soft soil foundation is dug to form a continuous groove 3, a connecting groove 4 is dug between two adjacent mixing piles 2 on the soft soil foundation, a reducing groove 5 is dug between the connecting groove 4 and the continuous groove 3, an internal support framework 6 is arranged between two adjacent mixing piles 2 in the continuous groove 3, then concrete is poured into the continuous groove 3 and the connecting groove 4 simultaneously, in the pouring process, the reducing groove 5 can be filled with the concrete, finally, after the concrete is solidified, a continuous wall 31 is formed in the continuous groove 3, and a connecting concrete 41 is formed in the connecting groove 4. The continuous wall 31 can connect all the mixing piles 2 into a whole, so that the whole pile wall 21 is firmer and more stable to better resist the lateral pressure generated by the surrounding soil layers and keep the stability of the enclosure structure.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a soft soil foundation pit stirring pile wall cantilever envelope, includes a plurality of stirring stake (2) of arranging in succession all around along soft soil foundation pit (1), a plurality of stirring stake (2) form pile wall (21) all around in soft soil foundation pit (1), its characterized in that: a continuous groove (3) is formed in one side, opposite to the soft soil foundation pit (1), of the pile wall (21) on the soft soil foundation, the continuous groove (3) is communicated with the pile wall (21), and concrete is poured into the continuous groove (3) to form a continuous wall (31);
inner supporting frameworks (6) are arranged between two adjacent stirring piles (2) and the inner wall of the continuous groove (3), and one end of each inner supporting framework (6) is connected with one stirring pile (2) and the other end of each inner supporting framework (6) is connected with the other stirring pile (2) through expansion bolts (7); the inner supporting framework (6) is connected with the inner wall of the continuous groove (3) through a connecting mechanism (8);
the connecting mechanism (8) comprises a connecting embedded rod (81) and a connecting ring (82) which is integrally connected to one end of the connecting embedded rod (81), a connecting hole (61) is formed in the inner support framework (6), the connecting embedded rod (81) penetrates through the inner support framework (6) through the connecting hole (61) and is embedded into a soft soil foundation, and the connecting ring (82) abuts against the inner support framework (6);
correspond to each on the soft soil foundation the position that connects and bury pole (81) all is equipped with spread groove (4), spread groove (4) with continuous groove (3) are linked together, connect and bury pole (81) and put into in spread groove (4) form connection concrete (41) through pouring the concrete in spread groove (4).
2. The cantilever building structure of the stirring pile wall of the soft soil foundation pit as claimed in claim 1, wherein: the inner support framework (6) is provided with an expansion gap (62) communicated with the connecting hole (61), the expansion gap (62) is positioned above the connecting hole (61) and penetrates through the upper end wall of the inner support framework (6), the width of the expansion gap (62) is smaller than the diameter of the connecting hole (61), and the diameter of the connecting embedded rod (81) is the same as that of the connecting hole (61); the connecting embedded rod (81) is placed into the connecting hole (61) through the expansion notch (62).
3. The soft soil foundation pit stirring pile wall cantilever support structure of claim 1, characterized in that: the connecting groove (4) is provided with a reducing groove (5) at the communication position of the continuous groove (3), the connecting groove (4) is communicated with the continuous groove (3) through the reducing groove (5), and the groove width of the reducing groove (5) is gradually narrowed from the connecting groove (4) to the direction of the continuous groove (3).
4. The soft soil foundation pit stirring pile wall cantilever support structure of claim 3, wherein: reinforcing steel columns (9) are embedded in soft soil foundations which are located between the connecting grooves (4) and the continuous grooves (3) and located on two sides of the reducing grooves (5), two connecting steel plates (10) are welded to the tops of the reinforcing steel columns (9), one of the connecting steel plates (10) extends to the continuous wall (31) and is connected with the continuous wall (31) through connecting bolts (11); and the other connecting steel plate (10) extends to the connecting concrete (41) and is connected with the connecting concrete (41) through a connecting bolt (11).
5. The cantilever building structure of the stirring pile wall of the soft soil foundation pit as claimed in claim 1, wherein: the top of the pile wall (21) is provided with a connecting beam (12) along the periphery, and the connecting beam (12) connects all the mixing piles (2).
6. The soft soil foundation pit stirring pile wall cantilever support structure of claim 5, wherein: pile wall (21) orientation one side of soft soil foundation ditch (1) is equipped with dimension tie beam (13) along the periphery, dimension tie beam (13) will all stirring stake (2) are connected.
7. The soft soil foundation pit stirring pile wall cantilever building envelope of claim 6, characterized by: be equipped with a plurality of bearing diagonal (14) all around in soft soil foundation ditch (1), the upper end of bearing diagonal (14) simultaneously with tie beam (12) with dimension tie beam (13) link to each other, the lower extreme of bearing diagonal (14) is buried underground in the bottom of soft soil foundation ditch (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111439384.3A CN114108648B (en) | 2021-11-30 | 2021-11-30 | Soft soil foundation pit stirring pile wall cantilever retaining structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111439384.3A CN114108648B (en) | 2021-11-30 | 2021-11-30 | Soft soil foundation pit stirring pile wall cantilever retaining structure |
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| CN114108648B true CN114108648B (en) | 2023-02-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311864A (en) * | 1995-05-22 | 1996-11-26 | Shimizu Corp | Earth retaining wall and construction method therefor |
| CN204590039U (en) * | 2015-04-17 | 2015-08-26 | 上海岩土工程勘察设计研究院有限公司 | A kind of bored occluded pile formula foundation pit supporting construction doubling as outer wall of basement |
| CN106567382A (en) * | 2016-10-25 | 2017-04-19 | 东通岩土科技（杭州）有限公司 | Foundation pit curtain construction method in gravel layer |
| CN112663624A (en) * | 2020-12-21 | 2021-04-16 | 亚都建设集团有限公司 | Composite support for foundation pit and construction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6515731B2 (en) * | 2015-08-07 | 2019-05-22 | 株式会社大林組 | Support structure of retaining wall |
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2021
- 2021-11-30 CN CN202111439384.3A patent/CN114108648B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311864A (en) * | 1995-05-22 | 1996-11-26 | Shimizu Corp | Earth retaining wall and construction method therefor |
| CN204590039U (en) * | 2015-04-17 | 2015-08-26 | 上海岩土工程勘察设计研究院有限公司 | A kind of bored occluded pile formula foundation pit supporting construction doubling as outer wall of basement |
| CN106567382A (en) * | 2016-10-25 | 2017-04-19 | 东通岩土科技（杭州）有限公司 | Foundation pit curtain construction method in gravel layer |
| CN112663624A (en) * | 2020-12-21 | 2021-04-16 | 亚都建设集团有限公司 | Composite support for foundation pit and construction method |
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