CN112359817A - Composite pile foundation of soft soil area foundation and pile foundation construction process thereof - Google Patents
Composite pile foundation of soft soil area foundation and pile foundation construction process thereof Download PDFInfo
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- CN112359817A CN112359817A CN202011303655.8A CN202011303655A CN112359817A CN 112359817 A CN112359817 A CN 112359817A CN 202011303655 A CN202011303655 A CN 202011303655A CN 112359817 A CN112359817 A CN 112359817A
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- foundation
- immersed tube
- soft soil
- pile foundation
- soil area
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
Abstract
The utility model relates to a soft soil area foundation composite pile foundation and a pile foundation construction process thereof, which relate to the field of pile foundations and comprise a sinking pipe, a side insert component and a fixed component, wherein the side wall of the sinking pipe is provided with a plurality of first through holes, the fixed component comprises a rotating ring and a plurality of limiting strips, the rotating ring is coaxially and rotatably connected with the sinking pipe, the limiting strips are fixedly connected with the rotating ring and comprise a contact surface, the side insert component comprises an insert rod and an elastic part, the insert rod is elastically and slidably connected with the first through holes, when the elastic part is in a stretching state, one end of the insert rod is inserted into the first through holes and is abutted against the contact surface, when the elastic part is in a normal state, one end of the insert rod passes through the first through holes and extends; during operation, a counter bore is drilled in the foundation, the immersed tube is inserted into the counter bore, the limiting strip is separated from the first through hole, the lifting block is driven to move upwards to insert the inserted rod into the foundation, and finally cement mortar is poured into the immersed tube. This application has the effect that improves the stability of soft soil foundation.
Description
Technical Field
The application relates to the field of pile foundations, in particular to a composite pile foundation of a soft soil area foundation and a pile foundation construction process thereof.
Background
When building construction is carried out in a soft soil area, the soft soil foundation has the geological characteristics of large pore ratio, high compressibility, low shear strength, small fixed connection coefficient, low foundation bearing capacity and poor overall stability, so that the foundation needs to be treated firstly to improve the stability of the foundation when the soft soil foundation is constructed.
In the related art, application No. 201120034624.7 discloses a composite pile foundation for treating a soft soil foundation of a railway, including: the reinforced concrete raft comprises main stress piles located in a core stress area of the embankment and secondary stress piles located outside the core stress area of the embankment, wherein the core stress area of the embankment is an area below a ballastless track supporting layer within a 45-degree spread angle range on two sides of the supporting layer, broken stone bedding layers are arranged on the pile tops of the main stress piles and the secondary stress piles, and reinforced concrete rafts are arranged on the top surfaces of the broken stone bedding layers on the pile tops of the main stress piles.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that the main stressed pile and the secondary stressed pile are cylindrical, and sedimentation easily occurs in a soft soil foundation, resulting in poor stability of the foundation.
Disclosure of Invention
In order to improve the stability of soft soil foundation, this application provides a soft soil area ground compound pile foundation and pile foundation construction technology thereof.
First aspect, the application provides a soft soil area ground composite pile foundation adopts following technical scheme:
the utility model provides a soft soil area ground composite pile foundation, includes immersed tube, side plug-in components and fixed subassembly, a plurality of first through-holes have been seted up to the immersed tube lateral wall, fixed subassembly includes swivel becket and a plurality of spacing, the swivel becket with the coaxial rotation of immersed tube is connected, spacing with swivel becket fixed connection, spacing includes a contact surface, the side plug-in components is equipped with a plurality ofly, one the side plug-in components sets up with a first through-hole one-to-one, the side plug-in components includes inserted bar and elastic component, the inserted bar with first through-hole elastic sliding connection, when the elastic component is tensile state, inserted bar one end insert in the first through-hole and with the contact surface butt, when the elastic component is the normality, inserted bar one end is passed first through-hole stretches into outside the immersed tube.
By adopting the technical scheme, when the foundation is treated, firstly, a counter bore is drilled on the foundation, the counter bore is inserted into the counter bore after drilling, then the rotating ring is driven to rotate, the rotating ring drives the limiting strip to rotate, after the limiting strip rotates to be separated from the first through hole, the inserted rod loses the constraint of the limiting strip and is driven by the elastic piece to pop out from the first through hole, and the inserted rod pops out from the first through hole and then is inserted into the foundation; through setting up in the inserted bar inserts the ground, can improve the frictional force between immersed tube and the ground, can improve the firm degree of immersed tube and ground to can improve the overall stability of ground.
Optionally, the device further comprises a material pushing assembly, the material pushing assembly comprises a lifting block and a pull rope, the lifting block is connected in the sinking pipe in a sliding mode along the axis direction of the sinking pipe, the lifting block comprises a wedge surface, the wedge surface is arranged in the sinking pipe towards one side outside the sinking pipe in an inclined mode, and one end of the pull rope is fixedly connected with the lifting block.
By adopting the technical scheme, when the inserted rod is inserted into the foundation, the pull rope is pulled upwards, so that the lifting block is driven to move upwards, the end part of the inserted rod is abutted against the wedge surface in the upward movement process of the lifting block, and the wedge surface can push the inserted rod towards one side outside the immersed tube in the upward movement process of the lifting block; when the elasticity of the elastic piece is not enough to push the inserted bar to slide, the lifting block can push the inserted bar to be further inserted into the foundation, so that the connection between the inserted bar and the foundation is firmer.
Optionally, one end of the inserted link extending out of the sinking tube is fixedly connected with a thorn block, and one end of the thorn block far away from the inserted link is a pointed end.
Through adopting above-mentioned technical scheme, the in-process of inserted bar motion, thorn piece is along with the in-process that the inserted bar inserted the ground, because thorn piece is the tip, consequently can be convenient for with the quick laborsaving insertion ground of inserted bar in.
Optionally, the inserted bar is hollow, and a plurality of second through holes are formed in the side wall of the inserted bar.
Through adopting above-mentioned technical scheme, along with the inserted bar inserts the ground, partial unnecessary soil gets into the inserted bar from the second through-hole in to the reducible inserted bar gets into the in-process soil of ground and causes too big resistance to the ground, can make the process that the inserted bar inserted the ground more smooth and easy.
Optionally, the inserted link is arranged from the inside of the immersed tube to the outside of the immersed tube in an inclined and upward manner.
Through adopting above-mentioned technical scheme, because the inserted bar is downward towards the inside one side slope of immersed tube, therefore the unnecessary soil of in-process that the inserted bar inserted soil alright drop to the immersed tube in, reducible soil is piled up in the immersed tube.
Optionally, the material pushing assembly further comprises a material receiving box, the material receiving box is arranged below the lifting block, and the outer wall of the material receiving box is in contact with the inner wall of the immersed tube.
Through adopting above-mentioned technical scheme, soil drops to connect the workbin from the inserted bar in, connects the workbin to drive unnecessary soil synchronous rising along with the in-process that the elevator rises, will connect the workbin at last to take out from the immersed tube can, connect the workbin through the setting and can be convenient for clear up unnecessary soil from the immersed tube, reducible soil is piled up in the immersed tube.
Optionally, the pushing assembly further comprises a motor and a winding wheel, the motor is fixedly connected with the immersed tube, the motor is used for driving the winding wheel to rotate, and one end of the pull rope is fixedly connected with the winding wheel.
By adopting the technical scheme, the motor drives the winding wheel to rotate, and the pull rope is wound on the winding wheel in the rotating process of the winding wheel, so that the lifting block can be driven to move upwards; the lifting block can be lifted by the operator more conveniently and laborsavingly by arranging the material pushing assembly.
Optionally, the immersed tube outer wall rigid coupling have with the strip of accomodating that spacing one-to-one set up, accomodate a lateral wall and seted up and accomodate the groove, accomodate the groove and be used for supplying spacing embedding.
Through adopting above-mentioned technical scheme, when rotating spacing, will accomodate the strip and rotate to accomodating the inslot, accomodate the groove through setting up, play the effect of blockking by accomodating the groove to soil, can be so that accomodate the strip and need not to stir more soil at the pivoted in-process, frictional resistance when having reduced spacing rotation to can make spacing rotation process more laborsaving.
Optionally, one end of the inserted link located in the immersed tube is fixedly connected with a stop block, and an embedded groove for embedding the stop block is formed in the inner wall of the immersed tube.
Through adopting above-mentioned technical scheme, when the inserted bar was followed first through-hole roll-off, the dog embedding caulking groove was in, played the effect of blockking by the caulking groove inner wall to the dog, reducible inserted bar and immersed tube separation.
In a second aspect, the application provides a soft soil area foundation composite pile foundation construction process adopts following technical scheme:
a construction process of a composite pile foundation of a soft soil area foundation comprises the following steps:
s1: drilling a counter bore;
s2: inserting the immersed tube into the counter bore, and enabling the top wall of the inserted immersed tube to be higher than the surface of the foundation;
s3: rotating the limiting strip to be separated from the first through hole;
s4: pulling the lifting block to move upwards;
s5: pouring cement mortar into the immersed tube;
s6: and sequentially paving a sandstone layer, geotextile and a rubble layer on the periphery of the immersed tube from bottom to top.
By adopting the technical scheme, during construction, firstly a plurality of counter bores are drilled in the foundation, then the sinking pipes are lifted by a crane and then placed in the counter bores, and the top of the sinking pipes is higher than the surface of the foundation in the process of inserting the sinking pipes; after the immersed tube is inserted, the limiting strip is rotated until the limiting strip is separated from the first through hole, the inserted rod can slide out of the first through hole after the inserted rod loses the blocking of the limiting strip, finally, the material pushing assembly drives the lifting block to ascend, and the inserted rod is pushed by a wedge surface in the ascending process of the lifting block; after the lifting block slides out of the immersed tube, cement mortar is injected into the immersed tube, and a sandstone layer, geotechnical cloth and a rubble layer are sequentially laid on the periphery of the immersed tube from bottom to top; the operation mode can increase the friction force between the immersed tube and the foundation and improve the overall stability of the foundation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the stability of inserting the immersed tube into the foundation can be improved by arranging the side inserting assembly, so that the integral stability of the soft soil foundation is improved;
2. the inserting rod can be inserted into the foundation more deeply by arranging the material pushing assembly;
3. accomodate the strip and accomodate the rotation that the groove can be convenient for spacing strip through the setting.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
fig. 2 is a schematic structural diagram of a side insertion assembly and a pushing assembly in the embodiment of the present application.
Description of reference numerals: 1. sinking the pipe; 11. a first through hole; 12. a stepped groove; 13. a receiving strip; 131. a receiving groove; 14. caulking grooves; 2. a fixing assembly; 21. a rotating ring; 211. a stepped ring; 22. a limiting strip; 3. a side insertion assembly; 31. inserting a rod; 311. a second through hole; 312. a stopper; 313. pricking blocks; 32. an elastic member; 4. a material pushing assembly; 41. a support frame; 42. a mounting seat; 43. a motor; 44. a winding wheel; 45. pulling a rope; 46. a lifting block; 461. a wedge surface; 462. a connecting rod; 47. a material receiving box; 471. a support rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses soft soil area ground composite pile foundation. Referring to fig. 1, the composite pile foundation of the soft soil area foundation comprises a immersed tube 1, a fixed assembly 2, a side inserting assembly 3 and a pushing assembly 4.
Referring to fig. 1, the immersed tube 1 is cylindrical, a plurality of first through holes 11 are formed in the side wall of the immersed tube 1, in this embodiment, the first through holes 11 are spirally arranged on the side wall of the immersed tube 1, and three groups of the first through holes 11 are vertically distributed on the side wall of the immersed tube 1.
Referring to fig. 1 and 2, the fixing assembly 2 includes a rotating ring 21 and a plurality of limiting strips 22, an annular stepped groove 12 is coaxially formed in the top wall of the immersed tube 1, a stepped ring 211 is coaxially welded to the bottom wall of the rotating ring 21, the stepped ring 211 is rotatably connected in the stepped groove 12, 3 limiting strips 22 are provided, and one limiting strip 22 covers one group of first through holes 11; the welding of immersed tube 1 outer wall has the strip 13 of accomodating that sets up with spacing 22 one-to-one, accomodates the 13 lateral walls of strip and has seted up and accomodate groove 131, accomodates groove 131 and is used for supplying spacing 22 embedding.
Referring to fig. 1 and 2, a plurality of side insert assemblies 3 are provided, and one side insert assembly 3 is arranged in one-to-one correspondence with one first through hole 11; the side plug assembly 3 comprises a plug rod 31 and an elastic piece 32, the first through hole 11 is a round hole, the axis of the first through hole 11 is obliquely and upwards arranged from the inner side of the immersed tube 1 to the outer side of the immersed tube 1, the plug rod 31 is cylindrical, and the plug rod 31 is connected in the first through hole 11 in a sliding manner along the oblique direction of the axis of the first through hole 11; the insert rod 31 is hollow, and a plurality of second through holes 311 are formed in the side wall of the insert rod 31. The caulking groove 14 that communicates with first through-hole 11 is seted up to immersed tube 1 inner wall, and the one end welding that the inserted bar 31 is located immersed tube 1 has dog 312, and in the dog 312 imbed caulking groove 14 when the inserted bar 31 was followed first through-hole 11 roll-off, elastic component 32 was extension spring, and the other end and the caulking groove 14 inner wall welding are welded with dog 312 to elastic component 32 one end. The limiting strip 22 comprises a contact surface, when the elastic element 32 is in a stretching state, one end of the inserted rod 31 is inserted into the first through hole 11 and is abutted against the contact surface, and when the elastic element 32 is in a normal state, one end of the inserted rod 31 passes through the first through hole 11 and extends out of the immersed tube 1; the end of the inserted bar 31 extending out of the sinking tube 1 is integrally welded with a thorn block 313, and the end of the thorn block 313 far away from the inserted bar 31 is a pointed end.
Referring to fig. 1 and 2, the pushing assembly 4 includes a supporting frame 41, a mounting seat 42, a motor 43, a winding wheel 44, a pulling rope 45, a lifting block 46 and a material receiving box 47, the supporting frame 41 is fixedly connected with the immersed tube 1 through screws, the mounting seat 42 is welded with the supporting frame 41, the motor 43 is a servo motor, a motor shell of the motor 43 is fixedly connected with the mounting seat 42 through screws, and an output shaft of the motor 43 is coaxially and fixedly connected with the winding wheel 44 through a key; the top wall of the lifting block 46 is welded with three connecting rods 462, the connecting rods 462 are obliquely and downwards arranged from the center of the lifting block 46 to one side of the edge part of the lifting block 46, one ends of the three connecting rods 462 far away from the lifting block 46 are welded, one end of the pull rope 45 is connected with the lifting block 46 in a binding manner, and the other end of the pull rope is connected with the welding points of the three connecting rods 462 in a binding manner; the lifting block 46 is slidably connected in the immersed tube 1 along the axial direction of the immersed tube 1, the peripheral wall of the lifting block 46 is a wedge surface 461, the wedge surface 461 is obliquely and downwardly arranged from the inside of the immersed tube 1 to the outside of the immersed tube 1, and one end of the inserted rod 31 in the immersed tube 1 slides along the wedge surface 461 in the upward sliding process of the lifting block 46. The material receiving box 47 is arranged below the lifting block 46, a support rod 471 is welded between the material receiving box 47 and the lifting block 46, and the outer wall of the material receiving box 47 is in contact with the inner wall of the immersed tube 1.
The implementation principle of soft soil area ground composite pile foundation of the embodiment of the application is: during operation, firstly, a counter bore is drilled in a foundation, then the immersed tube 1 is vertically placed in the counter bore, after the immersed tube 1 is placed, the rotating ring 21 is driven to rotate along the stepped groove 12, the limiting strip 22 is driven to be separated from the first through hole 11 when the rotating ring 21 rotates, and after the limiting strip 22 is separated from the first through hole 11, the inserted rod 31 is driven by the elastic piece 32 to slide out of the first through hole 11 and be inserted into the foundation.
After the inserting rod 31 slides out of the first through hole 11, the pushing assembly 4 further pushes the inserting rod 31 to be embedded into a foundation, when the pushing assembly 4 works, the motor 43 drives the rolling wheel 44 to rotate, the pulling rope 45 is wound on the outer wall of the rolling wheel 44 when the rolling wheel 44 rotates, the lifting block 46 is driven to move upwards when the pulling rope 45 is wound on the outer wall of the rolling wheel 44, the wedge surface 461 pushes the inserting rod 31 to slide outwards the immersed tube 1 when the lifting block 46 moves upwards until the stop block 312 is embedded into the caulking groove 14, in the process that the inserting rod 31 is inserted into the foundation, redundant soil enters the inserting rod 31 from the second through hole 311 and then falls into the material receiving box 47, the material receiving box 47 synchronously rises along with the movement of the lifting block 46, finally, the lifting block 46 and the material receiving box 47 are taken out of the immersed tube 1, the supporting frame 41 is detached from the immersed tube 1, and cement mortar is poured into the immersed tube 1.
The embodiment of the application also discloses a construction process of the composite pile foundation of the soft soil area foundation. A construction process of a composite pile foundation of a soft soil area foundation comprises the following steps:
s1: drilling a counter bore; firstly, drilling a plurality of counter bores in a foundation, wherein the plurality of counter bores are arranged in a matrix manner;
s2: inserting the immersed tube 1 into the counterbore, and enabling the top wall of the inserted immersed tube 1 to be higher than the surface of the foundation; after the counter bore is drilled, inserting the immersed tube 1 into the counter bore, and raising the top wall of the immersed tube 1 500mm higher than the surface of the foundation;
s3: rotating the position-limiting strip 22 to be separated from the first through hole 11; after the immersed tube 1 is inserted, the rotating ring 21 is pushed to rotate along the stepped groove 12, so that the limiting strip 22 is driven to be separated from the first through hole 11 and then embedded into the accommodating groove 131;
s4: the lifting block 46 is pulled to move upwards; after the limiting strip 22 is separated from the first through hole 11, the inserting rod 31 is inserted into the foundation under the driving of the elastic piece 32, and then the pushing assembly 4 further pushes the elastic piece 32 to be inserted into the foundation;
s5: pouring cement mortar into the immersed tube 1; after the inserted bar 31 is inserted into the foundation, cement mortar is poured into the immersed tube 1, part of the cement mortar flows into the inner cavity of the inserted bar 31, and the inserted bar 31 and the immersed tube 1 are further fixed after the cement mortar is solidified, so that the stability of the foundation structure is improved;
s6: sequentially paving a sandstone layer, geotextile and a rubble layer on the periphery of the immersed tube 1 from bottom to top; after the cement mortar is solidified, a sandstone layer, geotextile and a gravel layer are sequentially paved on the periphery of the immersed tube 1 from bottom to top, so that the stability of the peripheral structure of the immersed tube 1 is improved.
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 (10)
1. The utility model provides a soft soil area ground compound pile foundation which characterized in that: including immersed tube (1), side plug-in components (3) and fixed subassembly (2), a plurality of first through-holes (11) have been seted up to immersed tube (1) lateral wall, fixed subassembly (2) includes swivel becket (21) and a plurality of spacing (22), swivel becket (21) with immersed tube (1) coaxial rotation is connected, spacing (22) with swivel becket (21) fixed connection, spacing (22) include a contact surface, side plug-in components (3) are equipped with a plurality ofly, one side plug-in components (3) and a first through-hole (11) one-to-one setting, side plug-in components (3) include inserted bar (31) and elastic component (32), inserted bar (31) with first through-hole (11) elasticity sliding connection, when elastic component (32) are tensile state, inserted bar (31) one end is inserted in first through-hole (11) and with the contact surface butt, when the elastic piece (32) is in a normal state, one end of the inserted rod (31) penetrates through the first through hole (11) and extends out of the immersed tube (1).
2. The composite pile foundation of soft soil area foundation of claim 1, wherein: still including pushing away material assembly (4), it includes elevator (46) and stay cord (45) to push away material assembly (4), elevator (46) are followed the axis direction sliding connection of immersed tube (1) in immersed tube (1), elevator (46) are including a scarf (461), scarf (461) by in immersed tube (1) towards the outer slope of one side of immersed tube (1) sets up downwards, stay cord (45) one end with elevator (46) fixed connection.
3. The composite pile foundation of soft soil area foundation of claim 1, wherein: one end of the inserted bar (31) extending out of the immersed tube (1) is fixedly connected with a thorn block (313), and one end of the thorn block (313) far away from the inserted bar (31) is a pointed end.
4. The composite pile foundation of soft soil area foundation of claim 1, wherein: the inserted bar (31) is arranged in a hollow mode, and a plurality of second through holes (311) are formed in the side wall of the inserted bar (31).
5. The composite pile foundation of soft soil area foundation of claim 1, wherein: the inserted bar (31) is arranged in the sinking pipe (1) from the inner side of the sinking pipe (1) to the outer side of the sinking pipe (1) in an inclined and upward manner.
6. A soft soil area foundation composite pile foundation according to claim 2, characterized in that: the material pushing assembly (4) further comprises a material receiving box (47), the material receiving box (47) is arranged below the lifting block (46), and the outer wall of the material receiving box (47) is in contact with the inner wall of the immersed tube (1).
7. A soft soil area foundation composite pile foundation according to claim 2, characterized in that: the material pushing assembly (4) further comprises a motor (43) and a winding wheel (44), the motor (43) is fixedly connected with the immersed tube (1), the motor (43) is used for driving the winding wheel (44) to rotate, and one end of the pull rope (45) is fixedly connected with the winding wheel (44).
8. The composite pile foundation of soft soil area foundation of claim 1, wherein: sink pipe (1) outer wall rigid coupling have with spacing strip (22) one-to-one sets up accomodate strip (13), accomodate strip (13) lateral wall and seted up and accomodate groove (131), accomodate groove (131) and be used for supplying spacing strip (22) embedding.
9. The composite pile foundation of soft soil area foundation of claim 1, wherein: one end of the inserted bar (31) in the immersed tube (1) is fixedly connected with a stop block (312), and the inner wall of the immersed tube (1) is provided with a caulking groove (14) for embedding the stop block (312).
10. A construction process for the composite pile foundation of the soft soil area foundation according to any one of claims 1 to 9, which is characterized in that: the method comprises the following steps:
s1: drilling a counter bore;
s2: inserting the immersed tube (1) into the immersed hole, and enabling the top wall of the inserted immersed tube (1) to be higher than the surface of the foundation;
s3: rotating the limiting strip (22) to be separated from the first through hole (11);
s4: the lifting block (46) is pulled to move upwards;
s5: pouring cement mortar into the immersed tube (1);
s6: and a sandstone layer, geotextile and a rubble layer are sequentially paved on the periphery of the immersed tube (1) from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011303655.8A CN112359817A (en) | 2020-11-19 | 2020-11-19 | Composite pile foundation of soft soil area foundation and pile foundation construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011303655.8A CN112359817A (en) | 2020-11-19 | 2020-11-19 | Composite pile foundation of soft soil area foundation and pile foundation construction process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112359817A true CN112359817A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011303655.8A Pending CN112359817A (en) | 2020-11-19 | 2020-11-19 | Composite pile foundation of soft soil area foundation and pile foundation construction process thereof |
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| CN (1) | CN112359817A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH609401A5 (en) * | 1977-03-22 | 1979-02-28 | Grund Und Tiefbau Ag Bern | Method of anchoring a structural supporting member pressed into the ground |
| CN208023568U (en) * | 2018-03-31 | 2018-10-30 | 陈茜 | A kind of drilling follow pipe construction prestressed concrete pipe pile |
| CN109235413A (en) * | 2018-10-26 | 2019-01-18 | 浙江大学城市学院 | A kind of transversal reinforcement combination of rigidity and flexibility stake reinforcing soft ground device and construction method |
| CN208899492U (en) * | 2018-07-25 | 2019-05-24 | 江苏铭城建筑设计院有限公司 | Composite supporting construction for soft soil foundation pit |
| CN209243706U (en) * | 2018-11-22 | 2019-08-13 | 湖南四维抗震科技有限公司 | A kind of anti-seismic construction pile of Fast Installation disassembly |
| CN110565632A (en) * | 2019-09-06 | 2019-12-13 | 河北中基华工程项目管理有限公司 | manual hole digging cast-in-place pile and construction method thereof |
| CN209816877U (en) * | 2019-03-29 | 2019-12-20 | 北京碧鑫水务有限公司 | Foundation pit supporting structure |
| CN210917319U (en) * | 2019-08-23 | 2020-07-03 | 陕西建工基础工程集团有限公司 | Immersed tube pouring type reinforced concrete beam cement soil pile supporting structure |
| CN211200375U (en) * | 2019-08-14 | 2020-08-07 | 徐州古汉香业有限公司 | Electric power ground anchor |
| CN111535303A (en) * | 2020-04-26 | 2020-08-14 | 广东裕基建筑工程有限公司 | Manual hole digging pile and construction method thereof |
-
2020
- 2020-11-19 CN CN202011303655.8A patent/CN112359817A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH609401A5 (en) * | 1977-03-22 | 1979-02-28 | Grund Und Tiefbau Ag Bern | Method of anchoring a structural supporting member pressed into the ground |
| CN208023568U (en) * | 2018-03-31 | 2018-10-30 | 陈茜 | A kind of drilling follow pipe construction prestressed concrete pipe pile |
| CN208899492U (en) * | 2018-07-25 | 2019-05-24 | 江苏铭城建筑设计院有限公司 | Composite supporting construction for soft soil foundation pit |
| CN109235413A (en) * | 2018-10-26 | 2019-01-18 | 浙江大学城市学院 | A kind of transversal reinforcement combination of rigidity and flexibility stake reinforcing soft ground device and construction method |
| CN209243706U (en) * | 2018-11-22 | 2019-08-13 | 湖南四维抗震科技有限公司 | A kind of anti-seismic construction pile of Fast Installation disassembly |
| CN209816877U (en) * | 2019-03-29 | 2019-12-20 | 北京碧鑫水务有限公司 | Foundation pit supporting structure |
| CN211200375U (en) * | 2019-08-14 | 2020-08-07 | 徐州古汉香业有限公司 | Electric power ground anchor |
| CN210917319U (en) * | 2019-08-23 | 2020-07-03 | 陕西建工基础工程集团有限公司 | Immersed tube pouring type reinforced concrete beam cement soil pile supporting structure |
| CN110565632A (en) * | 2019-09-06 | 2019-12-13 | 河北中基华工程项目管理有限公司 | manual hole digging cast-in-place pile and construction method thereof |
| CN111535303A (en) * | 2020-04-26 | 2020-08-14 | 广东裕基建筑工程有限公司 | Manual hole digging pile and construction method thereof |
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Application publication date: 20210212 |