CN110055974A - A kind of recyclable miniature steel pipe pile soil nailing combined support structure and its recovery method - Google Patents
A kind of recyclable miniature steel pipe pile soil nailing combined support structure and its recovery method Download PDFInfo
- Publication number
- CN110055974A CN110055974A CN201910331958.1A CN201910331958A CN110055974A CN 110055974 A CN110055974 A CN 110055974A CN 201910331958 A CN201910331958 A CN 201910331958A CN 110055974 A CN110055974 A CN 110055974A
- Authority
- CN
- China
- Prior art keywords
- soil
- pile
- steel pipe
- self
- pipe pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
-
- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of recyclable miniature steel pipe pile soil nailing combined support structure and its recovery methods, belong to base pit engineering support technology field.The pile ring is held on self-drilling type miniature steel pipe pile, the self-drilling soil-nail upper end passes through pile ring, the self-drilling soil-nail upper end is arranged with soil nailing bracket and end pad, the end pad is located at soil nailing cradle top, the upper end of the self-drilling soil-nail and screw top for being located at end pad is connected with end nut.With construction is simple, recoverable, the advantages that saving construction cost, when can solve no slope space, the support issues of deep basal pit guarantee the safety of deep basal pit and Adjacent Buildings, with preferable popularizing value, it is applicable to the deep-foundation pit engineering that depth is no more than 12m.
Description
Technical field
The present invention relates to a kind of recyclable miniature steel pipe pile soil nailing combined support structure and its recovery methods, belong to foundation pit work
Journey support technology field.
Background technique
With the fast development that urban modernization is built, there is a large amount of deep-foundation pit engineering, construction site is narrow and tight
Neighboring buildings, so more stringent requirements are proposed to support technology, miniature steel pipe pile soil nailing combined support structure is as deep basal pit
Important support form in engineering, has played huge effect.It is micro- since base pit engineering is a kind of temporary supporting engineering
Fashioned iron tubular pole soil nailing also only plays the effect of gib, but after completion of works, miniature steel pipe pile soil nailing is given up in large quantities
It abandons in the soil body, had not only caused very big waste of material, but also polluted the architectural environment of surrounding, and influenced surrounding buildings place just
It is often used.In order to solve this problem, a kind of fast and convenient recyclable miniature steel pipe pile soil nailing is with regard to urgently to be resolved.
Summary of the invention
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of recyclable miniature steel pipe pile soil nailings to combine
Supporting construction.
Recyclable miniature steel pipe pile soil nailing combined support structure of the invention, it includes recyclable miniature steel pipe pile and can return
Soil nailing is received, is provided with recoverable soil nail on the recyclable miniature steel pipe pile；
The recyclable miniature steel pipe pile includes self-drilling type miniature steel pipe pile and pile ring, and it is micro- that the pile ring is held in self-drilling type
On fashioned iron tubular pole；
The recoverable soil nail includes self-drilling soil-nail, soil nailing bracket, end pad and end nut, the self-drilling type soil
End is nailed on across pile ring, the self-drilling soil-nail upper end is arranged with soil nailing bracket and end pad, the end pad position
End nut is connected in soil nailing cradle top, the upper end of the self-drilling soil-nail and positioned at the screw top of end pad.
Preferably, the self-drilling type miniature steel pipe pile is the closure steel pipe that the tapered upper end of lower end has enlarged footing,
Enlarged footing is set by pile pulling, and steel-pipe pile surface is set compared with deep helical, mechanical can be screwed in.
Preferably, the self-drilling type miniature steel pipe pile diameter of steel tube is 150~200mm, and wall thickness is not less than 10~15mm,
Away from for 1.5m, and the neat slurry that the perfusion ratio of mud is 0.5 in self-drilling type miniature steel pipe pile.
Preferably, the pile ring is that thickness is not less than 10mm, and width is not less than 1m, and length is the band of two steel-pipe pile distances
Scalelike mark is presented in shape steel plate, intermediate along its length bend up in the semicircle in semicircle, bent up, half circular diameter bent up with from
The diameter of brill formula miniature steel pipe pile is equal, and respectively opens a hole along width middle position at both ends, aperture and self-drilling soil-nail it is straight
Diameter is equal, and small drain hole is opened on entire pile ring surface.
Preferably, the self-drilling soil-nail be surface be equipped with compared with deep helical can the mechanical fine steel tube screwed in, into soil
End do tapered, depending on thickness and long short-sighted concrete engineering, and self-drilling soil-nail level inclination is 10 °~15 °.
Preferably, the soil nailing bracket is the inclined hollow stage body of one side, the inclination angle of inclined surface and the inclination angle phase of soil nailing
Together, the another side aperture corresponding in inclined surface, aperture is equal with self-drilling soil-nail diameter, the line in two holes and inclined surface
Vertically.
Preferably, the end pad is intermediate aperture, opening diameter steel circle big as self-drilling soil-nail diameter
Ring.
Compared with prior art, the beneficial effects of the present invention are: miniature steel pipe pile soil nailing combined support structure can be recycled in this,
Miniature steel pipe pile and soil nailing are used in combination, casting concrete is remarkably improved miniature steel pipe pile in miniature steel pipe pile
Anti-bending strength, soil nailing uses fine steel tube, can be improved the tensile property of soil nailing, and miniature steel pipe pile and soil nailing surface be all provided with compared with
Deep helical can be mechanically drilling into, and mechanical can be screwed out, can all be recycled after the completion of support work；
Pile ring, soil nailing bracket, end pad, the end nut of miniature steel pipe pile and soil nailing are connected, pile ring had both played connection
The effect of miniature steel pipe pile and soil nailing, and play the role of panel, and miniature steel pipe pile is connected to become an entirety, it improves
The globality of support system, first of pile ring play hat beam action, and a few road pile rings play waist beam action, pile ring and stake below
Using overlapped mode between hoop, it can guarantee that per pass pile ring is an entirety in this way, the spacing of per pass pile ring is the width of pile ring
Degree；
With construction is simple, recoverable, the advantages that saving construction cost, when can solve no slope space, deep base
The support issues in hole guarantee the safety of deep basal pit and Adjacent Buildings, have preferable popularizing value, are applicable to depth
Deep-foundation pit engineering no more than 12m.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is working state structure schematic diagram of the invention；
Fig. 3 is pile ring structural schematic diagram of the invention；
Fig. 4 is recoverable soil nail structural schematic diagram of the invention.
Appended drawing reference: recyclable miniature steel pipe pile 1, self-drilling type miniature steel pipe pile 101, pile ring 102, recoverable soil nail 2, from
Brill formula soil nailing 201, soil nailing bracket 202, end pad 203, end nut 204.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As Figure 1-Figure 4, present embodiment uses following technical scheme: it includes recyclable miniature steel pipe pile 1
With recoverable soil nail 2, it can be recycled on miniature steel pipe pile 1 and be provided with recoverable soil nail 2；
Recyclable miniature steel pipe pile 1 includes self-drilling type miniature steel pipe pile 101 and pile ring 102, and the pile ring 102 is held in certainly
On brill formula miniature steel pipe pile 101；
Recoverable soil nail 2 includes self-drilling soil-nail 201, soil nailing bracket 202, end pad 203 and end nut 204, from
201 upper end of brill formula soil nailing passes through pile ring 102, and 201 upper end of self-drilling soil-nail is arranged with soil nailing bracket 202 and end pad
203, end pad 203 is located at 202 top of soil nailing bracket, the upper end of self-drilling soil-nail 201 and the top for being located at end pad 203
Portion is threaded with end nut 204.
Self-drilling type miniature steel pipe pile 101 is the closure steel pipe that the tapered upper end of lower end has enlarged footing, and enlarged footing is
Set by pile pulling, steel-pipe pile surface is set compared with deep helical, mechanical can be screwed in.
101 diameter of steel tube of self-drilling type miniature steel pipe pile is 150~200mm, and wall thickness is not less than 10~15mm, and spacing is
1.5m, and the neat slurry that the perfusion ratio of mud is 0.5 in self-drilling type miniature steel pipe pile 101.
Pile ring 102 is that thickness is not less than 10mm, and width is not less than 1m, and length is the band-like steel scutum of two steel-pipe pile distances
Material, scalelike mark is presented in intermediate bend up along its length in the semicircle in semicircle, bent up, and half circular diameter and self-drilling type bent up is miniature
The diameter of steel-pipe pile 101 is equal, and respectively opens a hole, the diameter in aperture and self-drilling soil-nail 201 along width middle position at both ends
Equal, small drain hole is opened on entire 102 surface of pile ring.
Self-drilling soil-nail 201 be surface be equipped with compared with deep helical can the mechanical fine steel tube screwed in, done into the end in soil
Tapered, depending on thickness and long short-sighted concrete engineering, and 201 level inclination of self-drilling soil-nail is 10 °~15 °.
Soil nailing bracket 202 is the inclined hollow stage body of one side, and the inclination angle of inclined surface and the inclination angle of soil nailing are identical, are tilting
The corresponding another side aperture in face, aperture is equal with 201 diameter of self-drilling soil-nail, and the line in two holes is vertical with inclined surface.
End pad 203 is intermediate aperture, opening diameter steel annulus big as 201 diameter of self-drilling soil-nail.
Construction method:
Step 1: being pierced self-drilling type miniature steel pipe pile 101 in pre- fixed pile with stake machine, bottom pierce slide surface hereinafter,
Top enlarged footing is reserved in ground or more, and Grouting Pipe is inserted into steel pipe, starts slip casting, until entire steel pipe fills；
Step 2: soil layer is excavated to the depth of one times of 102 width of pile ring, pile ring 102 is hung to installation position with lifting equipment
Temporary fixation is set, pile ring 102 overlaps two-by-two, guarantees that the soil nailing hole reserved on overlap pile ring 102 is overlapped, using mechanical equipment
Self-drilling soil-nail 201 is passed through the soil nailing hole reserved on pile ring 102 to squeeze into soil, then fixed with soil nailing bracket 202, installation end
Hook plate 203 screws on end nut 204；
Step 3: continue to excavate the depth of twice of pile ring of soil layer, 102 width, pile ring 102 is hung to installation with lifting equipment
Position is temporarily fixed, and pile ring 102 overlaps two-by-two, is guaranteed that the soil nailing hole reserved on overlap pile ring 102 is overlapped, is set using machinery
The standby soil nailing hole for reserving self-drilling soil-nail 201 on pile ring 102 is squeezed into soil, then fixed with soil nailing bracket 202, installation
End pad 203 screws on end nut 204；
Step 4: repeating step 3 until excavation of foundation pit work is completed.
A kind of recyclable miniature steel pipe pile soil nailing combined support structure recovery method:
Step 1: bottom end nut 204 is back-outed, and successively removes end pad 203, soil nailing bracket 202, pile ring
102,201 reverse direction of self-drilling soil-nail is screwed out, and is all hung to outside hole with lifting equipment；
Step 2: it is backfilled to 102 lower edges of second pile ring several from the bottom up, end nut 204 is back-outed, is successively taken
Lower end hook plate 203, soil nailing bracket 202, pile ring 102 screw out 201 reverse direction of self-drilling soil-nail, and whole with lifting equipment
It is outer to be hung to hole；
Step 3: step 2 is repeated up to all pile rings 102, self-drilling soil-nail 201, soil nailing bracket 202, end pad
203, end nut 204 recycles；
Step 4: 101 reverse direction of self-drilling type miniature steel pipe pile is screwed out with pile pulling device, so far miniature steel pipe pile soil nailing group
Supporting construction recovery operation is closed to complete.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of recyclable miniature steel pipe pile soil nailing combined support structure, it is characterised in that: it includes recyclable miniature steel pipe pile
(1) and recoverable soil nail (2) recoverable soil nail (2), are provided on the recyclable miniature steel pipe pile (1)；
The recyclable miniature steel pipe pile (1) includes self-drilling type miniature steel pipe pile (101) and pile ring (102), the pile ring (102)
It is held on self-drilling type miniature steel pipe pile (101)；
The recoverable soil nail (2) includes self-drilling soil-nail (201), soil nailing bracket (202), end pad (203) and end spiral shell
Cap (204), self-drilling soil-nail (201) upper end pass through pile ring (102), and self-drilling soil-nail (201) upper end is arranged
Have a soil nailing bracket (202) and end pad (203), the end pad (203) is located at the top of soil nailing bracket (202), it is described from
The upper end of brill formula soil nailing (201) and be located at end pad (203) screw top be connected with end nut (204).
2. a kind of recyclable miniature steel pipe pile soil nailing combined support structure according to claim 1, it is characterised in that: described
Self-drilling type miniature steel pipe pile (101) is the closure steel pipe that the tapered upper end of lower end has enlarged footing, and enlarged footing is pile pulling institute
Setting, steel-pipe pile surface are set compared with deep helical, mechanical can be screwed in.
3. a kind of recyclable miniature steel pipe pile soil nailing combined support structure according to claim 1, it is characterised in that: described
Self-drilling type miniature steel pipe pile (101) diameter of steel tube is 150~200mm, and wall thickness is not less than 10~15mm, spacing 1.5m, and certainly
The neat slurry that the perfusion ratio of mud is 0.5 in brill formula miniature steel pipe pile (101).
4. a kind of recyclable miniature steel pipe pile soil nailing combined support structure according to claim 1, it is characterised in that: described
Pile ring (102) is that thickness is not less than 10mm, and width is not less than 1m, and length is the band-like steel plate of two steel-pipe pile distances, edge
It is bent up among length direction and scalelike mark, half circular diameter bent up and self-drilling type miniature steel pipe is presented in the semicircle bent up in semicircle
The diameter of stake (101) is equal, and respectively opens a hole, the diameter in aperture and self-drilling soil-nail (201) along width middle position at both ends
Equal, small drain hole is opened on entire pile ring (102) surface.
5. a kind of recyclable miniature steel pipe pile soil nailing combined support structure according to claim 1, it is characterised in that: described
Self-drilling soil-nail (201) be surface be equipped with compared with deep helical can the mechanical fine steel tube screwed in, done into the end in soil it is tapered,
Depending on thickness and long short-sighted concrete engineering, and self-drilling soil-nail (201) level inclination is 10 °~15 °.
6. a kind of recyclable miniature steel pipe pile soil nailing combined support structure according to claim 1, it is characterised in that: described
Soil nailing bracket (202) is the inclined hollow stage body of one side, and the inclination angle of inclined surface and the inclination angle of soil nailing are identical, in inclined surface and its
Corresponding another side aperture, aperture is equal with self-drilling soil-nail (201) diameter, and the line in two holes is vertical with inclined surface.
7. a kind of recyclable miniature steel pipe pile soil nailing combined support structure according to claim 1, it is characterised in that: described
End pad (203) is intermediate aperture, opening diameter steel annulus big as self-drilling soil-nail (201) diameter.
8. a kind of recyclable miniature steel pipe pile soil nailing combined support structure according to claim 1, it is characterised in that: described
The construction method of recyclable miniature steel pipe pile soil nailing combined support structure: step 1: use stake machine by self-drilling type miniature steel pipe pile
(101) it is pierced in pre- fixed pile, bottom pierces slide surface hereinafter, top enlarged footing is reserved in ground or more, is inserted into steel pipe
Grouting Pipe starts slip casting, until entire steel pipe fills；
Step 2: soil layer is excavated to the depth of one times of pile ring (102) width, pile ring (102) is hung to installation position with lifting equipment
Temporary fixation is set, pile ring (102) overlaps two-by-two, guarantees that the soil nailing hole reserved on overlap pile ring (102) is overlapped, using machinery
Self-drilling soil-nail (201) are passed through the soil nailing hole reserved on pile ring (102) and squeezed into soil by equipment, then use soil nailing bracket (202)
It is fixed, it installs end pad (203), screws on end nut (204)；
Step 3: continue to excavate the depth of twice of pile ring of soil layer (102) width, pile ring (102) is hung to installation with lifting equipment
Position is temporarily fixed, and pile ring (102) overlaps two-by-two, guarantees that the soil nailing hole reserved on overlap pile ring (102) is overlapped, using machine
Self-drilling soil-nail (201) are passed through the soil nailing hole reserved on pile ring (102) and squeezed into soil by tool equipment, then use soil nailing bracket
(202) fixed, it installs end pad (203), screws on end nut (204)；
Step 4: repeating step 3 until excavation of foundation pit work is completed.
9. a kind of recovery method of recyclable miniature steel pipe pile soil nailing combined support structure, it is characterised in that:
Step 1: bottom end nut (204) is back-outed, and successively removes end pad (203), soil nailing bracket (202), pile ring
(102), self-drilling soil-nail (201) reverse direction is screwed out, and is all hung to outside hole with lifting equipment；
Step 2: it is backfilled to second pile ring (102) lower edges several from the bottom up, end nut (204) is back-outed, is successively taken
Self-drilling soil-nail (201) reverse direction is screwed out, and uses lifting by lower end hook plate (203), soil nailing bracket (202), pile ring (102)
It is outer that equipment is all hung to hole；
Step 3: step 2 is repeated up to all pile rings (102), self-drilling soil-nail (201), soil nailing bracket (202), end pad
Plate (203), end nut (204) recycling；
Step 4: self-drilling type miniature steel pipe pile (101) reverse direction is screwed out with pile pulling device, so far miniature steel pipe pile soil nailing combines
Supporting construction recovery operation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331958.1A CN110055974A (en) | 2019-04-24 | 2019-04-24 | A kind of recyclable miniature steel pipe pile soil nailing combined support structure and its recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331958.1A CN110055974A (en) | 2019-04-24 | 2019-04-24 | A kind of recyclable miniature steel pipe pile soil nailing combined support structure and its recovery method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110055974A true CN110055974A (en) | 2019-07-26 |
Family
ID=67320435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910331958.1A Pending CN110055974A (en) | 2019-04-24 | 2019-04-24 | A kind of recyclable miniature steel pipe pile soil nailing combined support structure and its recovery method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110055974A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08284159A (en) * | 1995-04-10 | 1996-10-29 | Nippon Steel Corp | Connection structure of pile head |
| CN103696430A (en) * | 2014-01-03 | 2014-04-02 | 张延策 | Construction process of non-grouted recyclable steel-pipe piles |
| CN103774674A (en) * | 2014-01-15 | 2014-05-07 | 西安建筑科技大学 | Support structure for steel tube underpinned pile and anchor rod deep pit and construction method thereof |
| CN104032737A (en) * | 2014-05-21 | 2014-09-10 | 苏州市能工基础工程有限责任公司 | Construction method and structure of pressure dispersing type expansion head anchor rod |
| CN205314108U (en) * | 2016-01-22 | 2016-06-15 | 山东大学 | Compound soil nail wall supporting construction system with steel -pipe pile |
| CN105672323A (en) * | 2016-01-22 | 2016-06-15 | 山东大学 | Compound soil nail wall supporting structure system with steel pipe piles and construction method of compound soil nail wall supporting structure system |
| CN107059882A (en) * | 2017-04-17 | 2017-08-18 | 燕山大学 | Arch anchor net and Anchor-Pile Retaining Structure structure |
| CN108360558A (en) * | 2018-01-09 | 2018-08-03 | 济南城建集团有限公司 | Shallow-depth-excavation tunnel hole inner termination wall piled anchor one supporting construction and its construction technology |
| CN207959225U (en) * | 2018-01-19 | 2018-10-12 | 青岛业高建设工程有限公司李沧分公司 | One kind is certainly into the pull-type steel sheet pile supporting construction of churning anchor |
| CN208009436U (en) * | 2017-11-17 | 2018-10-26 | 瑞腾基础工程技术（北京）股份有限公司 | A kind of assembled recoverable soil nail wall supporting construction |
| CN208415267U (en) * | 2018-05-21 | 2019-01-22 | 青岛一建集团有限公司 | Miniature steel pipe pile prestressed anchor rope combination supporting system |
-
2019
- 2019-04-24 CN CN201910331958.1A patent/CN110055974A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08284159A (en) * | 1995-04-10 | 1996-10-29 | Nippon Steel Corp | Connection structure of pile head |
| CN103696430A (en) * | 2014-01-03 | 2014-04-02 | 张延策 | Construction process of non-grouted recyclable steel-pipe piles |
| CN103774674A (en) * | 2014-01-15 | 2014-05-07 | 西安建筑科技大学 | Support structure for steel tube underpinned pile and anchor rod deep pit and construction method thereof |
| CN104032737A (en) * | 2014-05-21 | 2014-09-10 | 苏州市能工基础工程有限责任公司 | Construction method and structure of pressure dispersing type expansion head anchor rod |
| CN205314108U (en) * | 2016-01-22 | 2016-06-15 | 山东大学 | Compound soil nail wall supporting construction system with steel -pipe pile |
| CN105672323A (en) * | 2016-01-22 | 2016-06-15 | 山东大学 | Compound soil nail wall supporting structure system with steel pipe piles and construction method of compound soil nail wall supporting structure system |
| CN107059882A (en) * | 2017-04-17 | 2017-08-18 | 燕山大学 | Arch anchor net and Anchor-Pile Retaining Structure structure |
| CN208009436U (en) * | 2017-11-17 | 2018-10-26 | 瑞腾基础工程技术（北京）股份有限公司 | A kind of assembled recoverable soil nail wall supporting construction |
| CN108360558A (en) * | 2018-01-09 | 2018-08-03 | 济南城建集团有限公司 | Shallow-depth-excavation tunnel hole inner termination wall piled anchor one supporting construction and its construction technology |
| CN207959225U (en) * | 2018-01-19 | 2018-10-12 | 青岛业高建设工程有限公司李沧分公司 | One kind is certainly into the pull-type steel sheet pile supporting construction of churning anchor |
| CN208415267U (en) * | 2018-05-21 | 2019-01-22 | 青岛一建集团有限公司 | Miniature steel pipe pile prestressed anchor rope combination supporting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021196657A1 (en) | Novel fabricated anchorage structure serving as both dewatering well and support, and construction method | |
| CN108086343B (en) | Cantilever type single-side wall body mixed reinforcement and replacement structure and construction method thereof | |
| CN110004991B (en) | Underground structure anti-floating system based on convex wing foot plate and construction method | |
| CN108930275A (en) | It is a kind of to face forever in conjunction with the ultra-deep shaft rapid constructing method along inverse combination | |
| CN103437348A (en) | Construction device and method of pile peripheral cemented soil cast-in-place stiffness core pile | |
| CN205242381U (en) | Drainage stake is strutted to hollow permeating water | |
| CN113235601A (en) | Deep foundation pit construction risk control structure and method for collapsible loess adjacent building | |
| CN105951869A (en) | Construction method of steel latticework column tower crane foundation for underground garage without reserving construction joints | |
| CN110374112A (en) | Weak soil site system of deep foundation pit support and its construction method | |
| CN109403350A (en) | Foundation pit supporting construction and foundation pit supporting method | |
| CN106065628B (en) | Based on the major diameter running water pipe security protection construction method faced forever with reference to theory | |
| CN100513705C (en) | Underground Beam-Pile Frame Structure for Slope Reinforcement | |
| CN109723055B (en) | Underground diaphragm wall bottom reinforcing structure and construction method thereof | |
| CN109235419B (en) | Recyclable steel underground diaphragm wall unit and construction method thereof | |
| CN206902783U (en) | For reducing the adjustable reinforcement and rectification structure of house differential settlement | |
| CN109403349A (en) | A kind of upper flexible and lower rigid system of deep foundation pit support and its construction method | |
| CN207211188U (en) | Outer wall of underground structure HCMW engineering methods overlap wall | |
| CN209482313U (en) | Foundation pit supporting construction | |
| CN100443673C (en) | Method of construction | |
| CN110055974A (en) | A kind of recyclable miniature steel pipe pile soil nailing combined support structure and its recovery method | |
| CN206768831U (en) | Support, anchor cable post-tensioning HU type building enclosures before a kind of steel pipe | |
| CN113585336B (en) | Quick construction method of sinking type concrete mixing station in soft foundation environment | |
| CN206768832U (en) | Support, anchor cable post-tensioning H type component building enclosures before a kind of steel pipe | |
| CN212175798U (en) | Whole strutting arrangement of deep basal pit | |
| CN210370668U (en) | Earth surface reinforcing structure for extending tunnel below existing highway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190726 |