CN107794934A - It is a kind of that firm pile foundation and pile foundation method to set up are installed - Google Patents
It is a kind of that firm pile foundation and pile foundation method to set up are installed Download PDFInfo
- Publication number
- CN107794934A CN107794934A CN201710673459.1A CN201710673459A CN107794934A CN 107794934 A CN107794934 A CN 107794934A CN 201710673459 A CN201710673459 A CN 201710673459A CN 107794934 A CN107794934 A CN 107794934A
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- China
- Prior art keywords
- steel
- reinforcement cage
- pile casting
- steel reinforcement
- pile foundation
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- 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
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
Abstract
Firm pile foundation and pile foundation method to set up are installed the invention discloses a kind of, its pile foundation includes steel pile casting, the bottom of the steel pile casting is embedded in below ground, the both sides external for resting on the ground square steel casing is respectively equipped with fixed mechanism, inwall surrounding positioned at steel pile casting below ground is provided with steel reinforcement cage, crossbeam is installed between the inwall of the steel reinforcement cage, the inwall surrounding of the steel pile casting for the side of resting on the ground is provided with support frame by bolt, and support frame is located at the top of steel reinforcement cage, first through hole is offered on support frame as described above, support frame as described above restocking is provided with grout pipe, the bottom activity of the grout pipe through first through hole and is extended in steel reinforcement cage, the top of the grout pipe is provided with depositing funnel, the crossbeam is horizontally disposed with, crossbeam is provided with multiple, and multiple crossbeam equi-spaced apart arrangements.The present invention is simple in construction, easy to operate so that the overall structure of pile foundation is rigorous sturdy, and resistance to capsizing is strong, and stability is good, is easy to promote the use of.
Description
Technical field
The present invention relates to construction engineering technical field, more particularly to a kind of firm pile foundation and pile foundation setting side are installed
Method.
Background technology
By stake and the pile framing of connection stake top, pile framing abbreviation cushion cap or is connected the deep foundation of composition by post with pile foundation
Single-pile foundation, abbreviation pile foundation, if pile body is all embedded in soil, cushion cap bottom surface contacts with the soil body, then referred to as embedded footing on piles, low capped pile foundation；If stake
Body is basseted and cushion cap bottom is located at more than ground, then referred to as elevated footing on piles, building pile foundation are usually embedded footing on piles, low capped pile foundation
Plinth, in skyscraper, pile foundation is widely used.
The species of existing pile foundation and its pile foundation method to set up is a lot, such as number of patent application CN104685132A is provided
A kind of pile foundation and pile foundation method to set up, is supported on ground surface by multiple taper piles, loads the stake of structure at an upper portion thereof
There is pile foundation main body, the pile foundation main body possesses in base：The lower panel in downside is configured, configures the upper board in upside, and
Foregoing lower panel and foregoing upper board are separated into the pillar that predetermined distance supports substantially in parallel, in foregoing lower panel and foregoing
The multiple stake holes, but this are penetrated to general radial downward formed with multiple stake holes, foregoing each taper pile on upper board
When mounted built on the sand, periphery resistance to capsizing is poor, troublesome in poeration, and wastes time and energy for kind pile foundation.
The content of the invention
The invention aims to solve shortcoming present in prior art, and the pile foundation that a kind of installation proposed is firm
And pile foundation method to set up.
To achieve these goals, present invention employs following technical scheme：
A kind of firm pile foundation of installation, including steel pile casting, the bottom of the steel pile casting are embedded in below ground, rest on the ground square steel
The both sides external of casing is respectively equipped with fixed mechanism, and the inwall surrounding positioned at steel pile casting below ground is provided with steel reinforcement cage, institute
State and crossbeam is installed between the inwall of steel reinforcement cage, the inwall surrounding of the steel pile casting for the side of resting on the ground is provided with support by bolt
Frame, and support frame is located at the top of steel reinforcement cage, and first through hole is offered on support frame as described above, support frame as described above restocking is provided with grouting
Pipe, the bottom activity of the grout pipe through first through hole and are extended in steel reinforcement cage, and the top of the grout pipe, which is provided with, pours
Note hopper.
Preferably, the crossbeam is horizontally disposed with, crossbeam be provided with it is multiple, and multiple crossbeam equi-spaced aparts arrange.
Preferably, the fixed mechanism includes fixed station, and placed cavity, the bottom of the placed cavity are offered on the fixed station
Stepper motor is installed, fixed cover is connected to first bevel gear, the placed cavity on the output shaft of the stepper motor on portion's inwall
Top inner wall on be rotatablely equipped with Rotational Cylindrical, the Rotational Cylindrical is located at stepper motor close to the side of steel pile casting, the rotation
Fixed cover is connected to second bevel gear on post, and first bevel gear is meshed with second bevel gear, and the fixed station is close to steel pile casting
Side offer standing groove, and standing groove is located at the lower section of placed cavity, and the bottom of the Rotational Cylindrical is extended in standing groove simultaneously
It is fixedly sleeved to have gear, movable post is slidably fitted with the standing groove, one end of the movable post extends to the outer of standing groove
Portion is simultaneously fixedly connected with fixture, and the outside movable contact of the fixture and steel pile casting, the side of the movable post is welded with rack,
And wheel and rack is meshed.
Preferably, the side of the movable post away from rack is welded with draw runner, and the standing groove is in the side of draw runner
Chute is offered on wall, and draw runner is connected with slide.
Preferably, mounting groove is offered in the top inner wall of the placed cavity, bearing block, institute are installed in the mounting groove
The bottom for stating Rotational Cylindrical is rotatablely installed on bearing block.
Preferably, the second through hole is offered in the bottom interior wall of the placed cavity, second through hole connects with standing groove,
The Rotational Cylindrical activity runs through the second through hole.
Preferably, the bottom of the stepper motor is provided with base, and the base, which is bolted to be installed on, puts chamber
In bottom interior wall.
Pile foundation method to set up, comprises the following steps：
S1：Pore-forming：Punching cutting operation first is carried out to ground using rig, mud released by slush pump, ground
Stake holes is dug；
S2：Steel pile casting is put, and steel pile casting is positioned with fixed mechanism and fixed：Stepper motor is opened, stepper motor passes through output shaft
First bevel gear rotation is driven, first bevel gear drives second bevel gear rotation, and second bevel gear drives Rotational Cylindrical in bearing block
Upper rotation, Rotational Cylindrical band moving gear rotate, and gear rotating band carry-over bar movement, rack drives activity post moves in standing groove, living
Dynamic post drives fixture to be moved to the direction of steel pile casting again, and the fixture of final both sides fixes steel pile casting clamping position, to prevent steel
Casing is offset；
S3：Steel reinforcement cage is put, and crossbeam is installed：First pacify the good steel reinforcement cage of letter on the ground in advance, then pacifying letter crossbeam on steel reinforcement cage,
The steel reinforcement cage for then peace letter being crossed crossbeam is placed into steel pile casting；
S4：Support frame is installed, and sets up grout pipe：The both ends of support frame are mounted on steel pile casting above the ground by bolt
Inwall surrounding, then top and the cast of grout pipe are leaked through first through hole and extending in steel reinforcement cage in grout pipe bottom
Bucket connection.
S5：Pour：Mixed mud mud is poured into depositing funnel, depositing funnel pours into mixed mud mud by grout pipe
In steel reinforcement cage, steel reinforcement cage is poured；
S6：Shaping：Mixed mud mud in steel reinforcement cage is cooled and shaped after pouring.
Compared with prior art, the beneficial effects of the invention are as follows：
In the present invention, by bearing block, Rotational Cylindrical, second bevel gear, first bevel gear, fixed station, placed cavity, stepper motor,
Standing groove, movable post, rack, gear and fixture cooperate, and what steel pile casting can be fixed is more firm, prevents that steel pile casting is askew
Tiltedly skew, the soil for being also prevented from steel pile casting periphery cave in bad influence are caused when pouring to steel reinforcement cage, pass through setting
Multiple crossbeams, steel reinforcement cage is coordinated to make pile foundation more firm, overall structure is rigorous sturdy, and resistance to capsizing is strong, increases stability,
Other pile foundation method to set up of the present invention is simple, easily operated, practical, and the present invention is simple in construction, easy to operate so that pile foundation
Overall structure is rigorous sturdy, and resistance to capsizing is strong, and stability is good, and pile foundation method to set up is simple, is easy to promote the use of.
Brief description of the drawings
Fig. 1 is a kind of structure of the main view for installing firm pile foundation proposed by the present invention；
Fig. 2 be it is proposed by the present invention it is a kind of install firm pile foundation it is local without structural representation when setting up fixed mechanism；
Fig. 3 is a kind of structural representation of fixed mechanism for installing firm pile foundation proposed by the present invention；
Fig. 4 is a kind of attachment structure schematic diagram of wheel and rack for installing firm pile foundation proposed by the present invention；
Fig. 5 is a kind of schematic diagram of crossbeam for installing firm pile foundation proposed by the present invention；
Fig. 6 is a kind of schematic diagram of steel reinforcement cage for installing firm pile foundation proposed by the present invention.
In figure：1 steel pile casting, 2 support frames, 3 depositing funnels, 4 grout pipes, 5 first through hole, 6 bearing blocks, 7 Rotational Cylindricals, 8
Two bevel gears, 9 first bevel gears, 10 fixed stations, 11 placed cavities, 12 stepper motors, 13 standing grooves, 14 movable posts, 15 racks, 16
Gear, 17 fixtures, 18 crossbeams, 19 steel reinforcement cages.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-6, a kind of firm pile foundation of installation, including steel pile casting 1, the bottom of steel pile casting 1 are embedded in below ground, position
Fixed mechanism is respectively equipped with the both sides external of above the ground steel pile casting 1, the inwall surrounding positioned at steel pile casting 1 below ground is pacified
Equipped with steel reinforcement cage 19, crossbeam 18 is installed between the inwall of steel reinforcement cage 19, the inwall surrounding of the steel pile casting 1 for the side of resting on the ground is led to
Cross bolt and support frame 2 is installed, and support frame 2 is located at the top of steel reinforcement cage 19, and first through hole 5 is offered on support frame 2, support
The restocking of frame 2 is provided with grout pipe 4, and the bottom activity of grout pipe 4 through first through hole 5 and is extended in steel reinforcement cage 19, grout pipe 4
Top is provided with depositing funnel 3, and crossbeam 18 is horizontally disposed, and crossbeam 18 is provided with multiple, and the equi-spaced apart of multiple crossbeams 18 is arranged, Gu
Determining mechanism includes fixed station 10, and placed cavity 11 is offered on fixed station 10, and stepping electricity is provided with the bottom interior wall of placed cavity 11
Machine 12, fixed cover is connected to first bevel gear 9 on the output shaft of stepper motor 12, is rotatablely equipped with the top inner wall of placed cavity 11
Rotational Cylindrical 7, Rotational Cylindrical 7 are located at the fixed cover on the side of steel pile casting 1, Rotational Cylindrical 7 of stepper motor 12 and are connected to second bevel gear
8, and first bevel gear 9 is meshed with second bevel gear 8, fixed station 10 offers standing groove 13 close to the side of steel pile casting 1, and
Standing groove 13 is located at the lower section of placed cavity 11, the bottom of Rotational Cylindrical 7 extend in standing groove 13 and it is fixedly sleeved have gear 16, put
Put and movable post 14 is slidably fitted with groove 13, one end of movable post 14 extends to the outside of standing groove 13 and is fixedly connected with fixture
17, the outside movable contact of fixture 17 and steel pile casting 1, the side of movable post 14 is welded with rack 15, and gear 16 and rack 15
It is meshed, movable side of the post 14 away from rack 15 is welded with draw runner 20, and standing groove 13 is opened on the side inwall of draw runner 20
Provided with chute, and draw runner 20 is connected with slide, and mounting groove is offered in the top inner wall of placed cavity 11, is installed in mounting groove
There is a bearing block 6, the bottom of Rotational Cylindrical 7 is rotatablely installed logical on bearing block 6, offering second in the bottom interior wall of placed cavity 11
Hole, the second through hole connect with standing groove 13, and the activity of Rotational Cylindrical 7 runs through the second through hole, and the bottom of stepper motor 12 is provided with base,
Base, which is bolted, to be installed in the bottom interior wall for putting chamber 11.
In the present invention, when positioning fixed to steel pile casting 1, stepper motor 12 is opened, stepper motor 12 is driven by output shaft
First bevel gear 9 rotates, and first bevel gear 9 drives second bevel gear 8 to rotate, and second bevel gear 8 drives Rotational Cylindrical 7 in bearing block
Rotated on 6, Rotational Cylindrical 7 is rotated with moving gear 16, and the rotating band carry-over bar 15 of gear 16 moves, and the drive activity post 14 of rack 15 is being put
Put groove 13 to move, movable post 14 drives fixture 17 to move to the direction of steel pile casting 1 again, and the fixture 17 of final both sides is steel pile casting 1
Clamping position is fixed, to prevent 1 crooked skew of steel pile casting.
Pile foundation method to set up, comprises the following steps：
S1：Pore-forming：Punching cutting operation first is carried out to ground using rig, mud released by slush pump, ground
Stake holes is dug；
S2：Steel pile casting 1 is put, and steel pile casting 1 is positioned with fixed mechanism and fixed：Stepper motor 12 is opened, stepper motor 12 passes through
Output shaft drives first bevel gear 9 to rotate, and first bevel gear 9 drives second bevel gear 8 to rotate, and second bevel gear 8, which drives, to be rotated
Post 7 rotates on bearing block 6, and Rotational Cylindrical 7 rotates with moving gear 16, and the rotating band carry-over bar 15 of gear 16 moves, and rack 15 drives
Movable post 14 moves in standing groove 13, and movable post 14 drives fixture 17 to be moved to the direction of steel pile casting 1 again, the fixture of final both sides
17 clamping positions of steel pile casting 1 are fixed, and are offset to prevent steel pile casting 1；
S3：Steel reinforcement cage 19 is put, and crossbeam 18 is installed：First pacify the good steel reinforcement cage 19 of letter on the ground in advance, then on steel reinforcement cage 19
Pacify letter crossbeam 18, the steel reinforcement cage 19 for then peace letter being crossed crossbeam 18 is placed into steel pile casting 1；
S4：Support frame 2 is installed, and sets up grout pipe 4：The both ends of support frame 2 are mounted on steel above the ground by bolt
The inwall surrounding of casing 1, then the bottom of grout pipe 4 through first through hole 5 and is extended in steel reinforcement cage 19, the top of grout pipe 4
End is connected with depositing funnel 3；
S5：Pour：Mixed mud mud is poured into depositing funnel 3, depositing funnel 3 pours into mixed mud mud by grout pipe 4
In steel reinforcement cage 19, steel reinforcement cage 19 is poured；
S6：Shaping：Mixed mud mud in steel reinforcement cage 19 is cooled and shaped after pouring.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of install firm pile foundation, including steel pile casting（1）, it is characterised in that the steel pile casting（1）Bottom be embedded in ground
Lower section, it rest on the ground square steel casing（1）Both sides external be respectively equipped with fixed mechanism, positioned at steel pile casting below ground（1）
Inwall surrounding steel reinforcement cage is installed（19）, the steel reinforcement cage（19）Inwall between crossbeam is installed（18）, it rest on the ground
The steel pile casting of side（1）Inwall surrounding support frame is provided with by bolt（2）, and support frame（2）Positioned at steel reinforcement cage（19）It is upper
Side, support frame as described above（2）On offer first through hole（5）, support frame as described above（2）Restocking is provided with grout pipe（4）, the grout pipe
（4）Bottom activity run through first through hole（5）And extend to steel reinforcement cage（19）It is interior, the grout pipe（4）Top be provided with and pour
Note hopper（3）.
A kind of 2. firm pile foundation of installation according to claim 1, it is characterised in that the crossbeam（18）It is horizontally disposed,
Crossbeam（18）Provided with multiple, and multiple crossbeams（18）Equi-spaced apart is arranged.
3. the firm pile foundation of a kind of installation according to claim 1, it is characterised in that the fixed mechanism includes fixed station
（10）, the fixed station（10）On offer placed cavity（11）, the placed cavity（11）Bottom interior wall on be provided with stepping electricity
Machine（12）, the stepper motor（12）Output shaft on fixed cover be connected to first bevel gear（9）, the placed cavity（11）Top
Rotational Cylindrical is rotatablely equipped with inwall（7）, the Rotational Cylindrical（7）Positioned at stepper motor（12）Close to steel pile casting（1）Side, institute
State Rotational Cylindrical（7）Upper fixed cover is connected to second bevel gear（8）, and first bevel gear（9）With second bevel gear（8）It is meshed, institute
State fixed station（10）Close to steel pile casting（1）Side offer standing groove（13）, and standing groove（13）Positioned at placed cavity（11）'s
Lower section, the Rotational Cylindrical（7）Bottom extend to standing groove（13）It is interior and fixedly sleeved have gear（16）, the standing groove（13）
Inside it is slidably fitted with movable post（14）, the movable post（14）One end extend to standing groove（13）Outside and be fixedly connected with
Fixture（17）, the fixture（17）With steel pile casting（1）Outside movable contact, the movable post（14）Side be welded with rack
（15）, and gear（16）With rack（15）It is meshed.
A kind of 4. firm pile foundation of installation according to claim 3, it is characterised in that the movable post（14）Away from rack
（15）Side be welded with draw runner（20）, the standing groove（13）Close to draw runner（20）Side inwall on offer chute, and
Draw runner（20）It is connected with slide.
A kind of 5. firm pile foundation of installation according to claim 3, it is characterised in that the placed cavity（11）Top in
Mounting groove is offered on wall, bearing block is installed in the mounting groove（6）, the Rotational Cylindrical（7）Bottom be rotatablely installed in axle
Bearing（6）On.
A kind of 6. firm pile foundation of installation according to claim 3, it is characterised in that the placed cavity（11）Bottom in
The second through hole, second through hole and standing groove are offered on wall（13）Connection, the Rotational Cylindrical（7）Activity is logical through second
Hole.
A kind of 7. firm pile foundation of installation according to claim 3, it is characterised in that the stepper motor（12）Bottom
Base is installed, the base, which is bolted to be installed on, puts chamber（11）Bottom interior wall on.
8. pile foundation method to set up, it is characterised in that comprise the following steps：S1：Pore-forming：First punching is carried out to ground using rig to open
Operation is dug, mud is released by slush pump, the stake holes of ground is dug；S2：Put steel pile casting（1）, and use fixed mechanism
To steel pile casting（1）Positioning is fixed：Open stepper motor（12）, stepper motor（12）First bevel gear is driven by output shaft（9）
Rotation, first bevel gear（9）Drive second bevel gear（8）Rotation, second bevel gear（8）Drive Rotational Cylindrical（7）In bearing block（6）
Upper rotation, Rotational Cylindrical（7）Band moving gear（16）Rotation, gear（16）Rotating band carry-over bar（15）It is mobile, rack（15）Drive and live
Dynamic post（14）In standing groove（13）It is mobile, movable post（14）Fixture is driven again（17）To steel pile casting（1）Direction movement, final two
The fixture of side（17）Steel pile casting（1）Clamping position is fixed, to prevent steel pile casting（1）Skew；S3：Put steel reinforcement cage（19）, and pacify
Fill crossbeam（18）：First pacify the good steel reinforcement cage of letter on the ground in advance（19）, then steel reinforcement cage（19）Upper peace letter crossbeam（18）, then
Peace letter is crossed crossbeam（18）Steel reinforcement cage（19）It is placed into steel pile casting（1）It is interior；S4：Support frame is installed（2）, and set up grout pipe
（4）：Support frame（2）Both ends steel pile casting above the ground is mounted on by bolt（1）Inwall surrounding, then grout pipe
（4）First through hole is run through in bottom（5）And extend to steel reinforcement cage（19）It is interior, grout pipe（4）Top and depositing funnel（3）Even
Connect.S5：Pour：Mixed mud mud is poured into depositing funnel（3）It is interior, depositing funnel（3）Pass through grout pipe（4）Mixed mud mud
Pour into steel reinforcement cage（19）It is interior, to steel reinforcement cage（19）Poured；S6：Shaping：Steel reinforcement cage（19）Interior mixed mud mud has poured
It is cooled and shaped after finishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710673459.1A CN107794934A (en) | 2017-08-09 | 2017-08-09 | It is a kind of that firm pile foundation and pile foundation method to set up are installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710673459.1A CN107794934A (en) | 2017-08-09 | 2017-08-09 | It is a kind of that firm pile foundation and pile foundation method to set up are installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107794934A true CN107794934A (en) | 2018-03-13 |
Family
ID=61532183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710673459.1A Pending CN107794934A (en) | 2017-08-09 | 2017-08-09 | It is a kind of that firm pile foundation and pile foundation method to set up are installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107794934A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978621A (en) * | 2018-07-18 | 2018-12-11 | 芜湖青悠静谧环保科技有限公司 | One kind preventing inclined rigid and flexible pile composite foundation |
| CN113789780A (en) * | 2021-10-29 | 2021-12-14 | 中国葛洲坝集团第三工程有限公司 | Pile foundation embedding auxiliary vertical device for bridge and use method |
| CN114575344A (en) * | 2022-03-08 | 2022-06-03 | 招商局重庆交通科研设计院有限公司 | Secondary deslagging device for bottom of pile foundation and construction method thereof |
| CN115492112A (en) * | 2022-09-20 | 2022-12-20 | 中建八局轨道交通建设有限公司 | Multifunctional discharging protective cover for bored pile |
| CN116145652A (en) * | 2023-04-20 | 2023-05-23 | 广东地山基础工程有限公司 | Vertical correction device for ultra-deep karst cave filling pile construction and operation method thereof |
-
2017
- 2017-08-09 CN CN201710673459.1A patent/CN107794934A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978621A (en) * | 2018-07-18 | 2018-12-11 | 芜湖青悠静谧环保科技有限公司 | One kind preventing inclined rigid and flexible pile composite foundation |
| CN113789780A (en) * | 2021-10-29 | 2021-12-14 | 中国葛洲坝集团第三工程有限公司 | Pile foundation embedding auxiliary vertical device for bridge and use method |
| CN114575344A (en) * | 2022-03-08 | 2022-06-03 | 招商局重庆交通科研设计院有限公司 | Secondary deslagging device for bottom of pile foundation and construction method thereof |
| CN114575344B (en) * | 2022-03-08 | 2023-05-12 | 招商局重庆交通科研设计院有限公司 | Secondary deslagging device for pile foundation bottom and construction method thereof |
| CN115492112A (en) * | 2022-09-20 | 2022-12-20 | 中建八局轨道交通建设有限公司 | Multifunctional discharging protective cover for bored pile |
| CN115492112B (en) * | 2022-09-20 | 2024-07-12 | 中建八局轨道交通建设有限公司 | Multifunctional hole-forming filling pile discharging protective cover |
| CN116145652A (en) * | 2023-04-20 | 2023-05-23 | 广东地山基础工程有限公司 | Vertical correction device for ultra-deep karst cave filling pile construction and operation method thereof |
| CN116145652B (en) * | 2023-04-20 | 2023-06-16 | 广东地山基础工程有限公司 | Vertical correction device for ultra-deep karst cave filling pile construction and operation method thereof |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180313 |