CN106284366B - External pulling type Larsen steel sheet pile reinforcement means - Google Patents
External pulling type Larsen steel sheet pile reinforcement means Download PDFInfo
- Publication number
- CN106284366B CN106284366B CN201510267671.9A CN201510267671A CN106284366B CN 106284366 B CN106284366 B CN 106284366B CN 201510267671 A CN201510267671 A CN 201510267671A CN 106284366 B CN106284366 B CN 106284366B
- Authority
- CN
- China
- Prior art keywords
- sheet pile
- steel sheet
- foundation pit
- larsen
- larsen steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
A kind of external pulling type Larsen steel sheet pile reinforcement means, it is characterised in that include the following steps：A surveying setting-outs, b foundation pit Larsen steel sheet piles and outer drawing Larsen steel sheet pile pile sinking, c foundation pit H profile steel purlin channel steel holders（8）D, welding sets up foundation pit H profile steel purlin and outer drawing H profile steel purlin, e draws reinforcing bar on foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile outside screwing steel bars inserting hole and f preprocessings and setting（5）.The external pulling type Larsen steel sheet pile reinforcement means of the present invention has Larsen steel sheet pile bracing means simple in structure, easy to make, Larsen steel sheet pile bracing means construction is simple, the advantages of pit maintenance soil significant effect, Larsen steel sheet pile bracing means is low-cost and reduces engineering cost.
Description
Technical field
The present invention relates to the stake reinforcement means in a kind of civil engineering, specifically, being a kind of external pulling type Larsen steel sheet pile
Reinforcement means.
Background technology
Current major part architectural engineering is equipped with hypogee, and part base pit engineering carries out foundation pit using Larsen steel sheet pile and encloses
Shield.The bracing reinforcement method that Larsen steel sheet pile generally uses is steel construction purlin support system, by between Larsen steel sheet pile into
Row steel construction mutually supports or uses foundation pit inner concrete structure to carry out steel structure support to close on supporting point.But part engineering by
In cause specific in the presence of the situation that cannot carry out inner support reinforcement measure.
Therefore known Larsen steel sheet pile inner support mode there are problems that it is above-mentioned various inconvenient and.
Invention content
The purpose of the present invention is to propose that a kind of external pulling type Larsen steel sheet pile expanding Larsen steel sheet pile maintenance measure is reinforced
Method.
It is another object of the present invention to propose a kind of guarantee deep pit monitor, easy construction, the lower outer drawing of engineering cost
Formula Larsen steel sheet pile reinforcement means.
To achieve the above object, technical solution of the invention is：
A kind of external pulling type Larsen steel sheet pile reinforcement means, it is characterised in that include the following steps：
A, surveying setting-out
Spill gray line according to floor plan and determine foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile pile sinking stake position, to base
Larsen steel sheet pile and outer drawing Larsen steel sheet pile unwrapping wire are cheated, so that foundation pit Larsen steel sheet pile is ensured with outer drawing Larsen steel sheet pile unwrapping wire two rows of
Foundation pit Larsen steel sheet pile is parallel with outer drawing Larsen steel sheet pile, and is each located on an axis；Foundation pit Larsen steel sheet pile and outer drawing
The distance between Larsen steel sheet pile is designed according to foundation pit enclosure and is determined；
B, foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile pile sinking
Crawler type is provided and vibrates pile hammer, reinforces when injection Larsen steel sheet pile measuring work, finds to tilt, adjust in time,
To ensure that pitching pile smoothly closes up, it is desirable that pile body is vertical；It is directed at the fore shaft of steel sheet pile and guide pile, is pressed onto by vibration hammer and stake dead weight
The depth of the wanted inserting piling of stake；Foundation pit Larsen steel sheet pile is identical as the outer drawing pile sinking depth of Larsen steel sheet pile, and according to foundation pit enclosure
Design determines；
C, foundation pit H profile steel purlin channel steel holder welds
By earth excavation to foundation pit H profile steel purlin and outer drawing H profile steel purlin position, by prefabricated vee gutter steel bracket by every
2 meters of settings are together with the vertical full weld of foundation pit Larsen steel sheet pile, and throat thickness is not less than 8mm；The upper plane of vee gutter steel bracket
One end is welded and fixed with foundation pit Larsen steel sheet pile, keeps the upper plane of vee gutter steel bracket vertical with foundation pit Larsen steel plate, triangle
The other end of the upper plane of shape channel steel holder by diagonal brace channel steel with foundation pit Larsen steel sheet pile is oblique is welded and fixed；
D, foundation pit H profile steel purlin and outer drawing H profile steel purlin are set up
Foundation pit H profile steel purlin plane and outer drawing on the vee gutter steel bracket of foundation pit H profile steel purlin is hung to crane to draw
Gloomy steel sheet pile outer fix, placement is reliable, is welded foundation pit H profile steel purlin and foundation pit Larsen steel sheet pile using spot welding, with
And outer drawing H profile steel purlin is welded with outer drawing Larsen steel sheet pile, welding, which is subject to, not to be fallen off；Outer drawing H profile steel purlin is set to
On the soil body of foundation pit top；
E, the screwing steel bars inserting hole on foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile
The interspersed point position of several reinforcing bars is determined on foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile, is carried out with identification pencil
Mark burns steel plate pore-forming using oxygen-acetylene, it is ensured that the interspersed hole site of same reinforcing bar is on same straight line when freezing；
F, preprocessing and the outer drawing reinforcing bar of setting
Reinforcing bar, outer drawing reinforcing bar will be drawn to be worn from foundation pit H profile steel purlin and foundation pit Larsen steel sheet pile reinforcing bar outside prefabricated diameter 25mm
Jack passes through, outer that one end of reinforcing bar is drawn to be equipped with 90 ° of bendings, bending up through outer drawing Larsen steel sheet pile and outer drawing H profile steel purlin
Segment length 200mm, and be welded and fixed with the inside steel plate of foundation pit H profile steel purlin, the outer other end for drawing reinforcing bar is equipped with mantle fiber, with height
Strong hexagonal (hexagon)nut and washer draw the outside of H profile steel purlin to fasten outside, tense foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile；
Every 5 foundation hole Larsen steel sheet pile forms one and goes along with sb. to guard him reinforcement elements, and each reinforcement elements are drawn with drawing reinforcing bar outside five with by drawing outside 2
Reinforcement elements connection is drawn to tighten outside gloomy steel sheet pile composition one；Outer drawing reinforcing bar is with outer drawing reinforcement elements every one block of foundation pit Larsen steel plate
Stake carries out jumping stake connection.
The external pulling type Larsen steel sheet pile reinforcement means of the present invention can also be further achieved by the following technical measures.
Method above-mentioned, wherein in the step c, diagonal brace channel steel is 28b channel steels.
Method above-mentioned, wherein in the step f, nut is the high-strength hexagonal (hexagon)nuts of M22, using double nut；Washer is
The washer that 100X100X10mm steel plates make.
Method above-mentioned, wherein the foundation pit H profile steel purlin is set up using H400X400X13X21 shaped steel.
Method above-mentioned, wherein the outer drawing H profile steel purlin is set up using H400X400X13X21 shaped steel.
After adopting the above technical scheme, the external pulling type Larsen steel sheet pile reinforcement means of the present invention has the following advantages：
1, Larsen steel sheet pile bracing means is simple in structure, easy to make；
2, Larsen steel sheet pile bracing means construction is simple, pit maintenance soil significant effect；
3, Larsen steel sheet pile bracing means is low-cost, reduces engineering cost.
Description of the drawings
Fig. 1 is the external pulling type Larsen steel sheet pile floor plan of the embodiment of the present invention；
Fig. 2 is the A-A sectional views in Fig. 1.
In figure：1 foundation pit, 2 foundation pit sidelines, 3 foundation pit H profile steel purlins, 4 foundation pit Larsen steel sheet piles, 5 draw reinforcing bar outside, are drawn outside 6
Gloomy steel sheet pile, 7 draw H profile steel purlin, 8 channel steel holders, 9 high-strength bolts outside.
Specific implementation mode
With reference to embodiments and its attached drawing illustrates further the present invention.
Embodiment 1
The external pulling type Larsen steel sheet pile reinforcement means of the present invention, it is characterised in that include the following steps：
Referring now to Fig. 1 and Fig. 2, Fig. 1 is the external pulling type Larsen steel sheet pile floor plan of the embodiment of the present invention, and Fig. 2 is
A-A sectional views in Fig. 1.
A, surveying setting-out
Spill gray line according to floor plan and determine foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile pile sinking stake position, to base
Larsen steel sheet pile and outer drawing Larsen steel sheet pile unwrapping wire are cheated, foundation pit Larsen steel sheet pile 4 is made to ensure two with outer 6 unwrapping wire of drawing Larsen steel sheet pile
It is parallel with outer drawing Larsen steel sheet pile 6 to arrange foundation pit Larsen steel sheet pile 4, and is each located on an axis；Foundation pit Larsen steel sheet pile（4）
The distance between outer drawing Larsen steel sheet pile 6 is designed according to foundation pit enclosure and is determined；
B, foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile pile sinking
Crawler type is provided and vibrates pile hammer, reinforces when injection Larsen steel sheet pile measuring work, finds to tilt, adjust in time,
To ensure that pitching pile smoothly closes up, it is desirable that pile body is vertical；It is directed at the fore shaft of steel sheet pile and guide pile, is pressed onto by vibration hammer and stake dead weight
The depth of the wanted inserting piling of stake；Foundation pit Larsen steel sheet pile is identical as the outer drawing pile sinking depth of Larsen steel sheet pile, and according to foundation pit enclosure
Design determines；
C, foundation pit H profile steel purlin channel steel holder 8 welds
By earth excavation to foundation pit H profile steel purlin 3 and outer 7 position of drawing H profile steel purlin, by prefabricated vee gutter steel bracket 8
By every 2 meters settings together with the 4 vertical full weld of steel sheet pile of foundation pit Larsen steel sheet pile, throat thickness is not less than 8mm；Triangle channel steel branch
Upper plane one end of frame 8 is welded and fixed with foundation pit Larsen steel sheet pile, makes the upper plane and foundation pit Larsen steel of vee gutter steel bracket 8
Plate is vertical, and the other end of the upper plane of vee gutter steel bracket 8 is solid by the oblique welding of diagonal brace channel steel and foundation pit Larsen steel sheet pile
It is fixed；Diagonal brace channel steel is 28b channel steels.
D, foundation pit H profile steel purlin and outer drawing H profile steel purlin are set up
Foundation pit H profile steel purlin plane and outer drawing on the vee gutter steel bracket of foundation pit H profile steel purlin is hung to crane to draw
Gloomy steel sheet pile outer fix, placement is reliable, is welded foundation pit H profile steel purlin and foundation pit Larsen steel sheet pile using spot welding, with
And outer drawing H profile steel purlin is welded with outer drawing Larsen steel sheet pile, welding, which is subject to, not to be fallen off；Outer drawing H profile steel purlin is set to
On the soil body of foundation pit top；
E, the screwing steel bars inserting hole on foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile
The interspersed point position of several reinforcing bars is determined on foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile, is carried out with identification pencil
Mark burns steel plate pore-forming using oxygen-acetylene, it is ensured that the interspersed hole site of same reinforcing bar is on same straight line when freezing；
F, preprocessing and the outer drawing reinforcing bar 5 of setting
Reinforcing bar 5 will be drawn outside prefabricated diameter 25mm, outer drawing reinforcing bar is from 4 reinforcing bar of foundation pit H profile steel purlin 3 and foundation pit Larsen steel sheet pile
Inserting hole passes through, outer that one end of reinforcing bar is drawn to be equipped with 90 ° of bendings up through outer drawing Larsen steel sheet pile 6 and outer drawing H profile steel purlin 7,
Segment length 200mm is bent, and is welded and fixed with the inside steel plate of foundation pit H profile steel purlin 3, the outer other end for drawing reinforcing bar is equipped with set
Silk, draws the outside of H profile steel purlin to fasten outside with high-strength hexagonal (hexagon)nut and washer, tenses foundation pit Larsen steel sheet pile 4 and outer drawing is drawn
Gloomy steel sheet pile 6；Every 5 foundation hole Larsen steel sheet pile 4 forms one and goes along with sb. to guard him reinforcement elements, each reinforcement elements drawing reinforcing bar 5 outside five
Reinforcement elements are drawn to connect with by drawing Larsen steel sheet pile 6 to form outside one outside 2；Outer drawing reinforcing bar 5 is with outer drawing reinforcement elements every one piece
Foundation pit Larsen steel sheet pile 4 carries out jumping stake connection.Nut is the high-strength hexagonal (hexagon)nuts of M22, is tightened using double nut；Washer is
The washer that 100X100X10mm steel plates make.The foundation pit H profile steel purlin is set up using H400X400X13X21 shaped steel.It is described outer
H profile steel purlin is drawn also to be set up using H400X400X13X21 shaped steel.
The present invention has substantive distinguishing features and significant technological progress, external pulling type Larsen steel sheet pile reinforcement means of the invention
It solves the problems, such as that Larsen steel sheet pile can not use inner support system, new method is used in reinforcement measure, expands Larsen steel sheet pile
The application range of maintenance, it is ensured that pit maintenance soil safety, construction technology is easy, and project cost is relatively low.
Above example is used for illustrative purposes only rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or variation.Therefore, all equivalent
Technical solution should also belong to scope of the invention, should be limited by each claim.
Claims (5)
1. a kind of external pulling type Larsen steel sheet pile reinforcement means, it is characterised in that include the following steps：
A, surveying setting-out
Spill gray line according to floor plan and determine foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile pile sinking stake position, foundation pit is drawn
Gloomy steel sheet pile and outer drawing Larsen steel sheet pile unwrapping wire, make foundation pit Larsen steel sheet pile（4）With outer drawing Larsen steel sheet pile（6）Unwrapping wire ensures two
Arrange foundation pit Larsen steel sheet pile（4）With outer drawing Larsen steel sheet pile（6）It is parallel, and be each located on an axis；Foundation pit Larsen steel plate
Stake（4）With outer drawing Larsen steel sheet pile（6）The distance between according to foundation pit enclosure design determine；
B, foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile pile sinking
Crawler type is provided and vibrates pile hammer, reinforces when injection Larsen steel sheet pile measuring work, finds to tilt, adjust in time, to protect
Card pitching pile smoothly closes up, it is desirable that pile body is vertical；It is directed at the fore shaft of steel sheet pile and guide pile, an institute is pressed onto by vibration hammer and stake dead weight
Want the depth of inserting piling；Foundation pit Larsen steel sheet pile is identical as the outer drawing pile sinking depth of Larsen steel sheet pile, and is designed according to foundation pit enclosure
It determines；
C, foundation pit H profile steel purlin channel steel holder（8）Welding
By earth excavation to foundation pit H profile steel purlin（3）With outer drawing H profile steel purlin（7）Position, by prefabricated vee gutter steel bracket
（8）By every 2 meters, one and foundation pit Larsen steel sheet pile are set（4）The vertical full weld of steel sheet pile, throat thickness are not less than 8mm；Triangle
Channel steel holder（8）Upper plane one end be welded and fixed with foundation pit Larsen steel sheet pile, make vee gutter steel bracket（8）Upper plane with
Foundation pit Larsen steel plate is vertical, vee gutter steel bracket（8）The other end of upper plane pass through diagonal brace channel steel and foundation pit Larsen steel plate
Stake is oblique to be welded and fixed；
D, foundation pit H profile steel purlin and outer drawing H profile steel purlin are set up
Foundation pit H profile steel purlin is hung to plane and outer drawing Larsen steel on the vee gutter steel bracket of foundation pit H profile steel purlin with crane
Sheet pile outer fix, placement is reliable, is welded foundation pit H profile steel purlin and foundation pit Larsen steel sheet pile using spot welding, and outer
H profile steel purlin is drawn to be welded with outer drawing Larsen steel sheet pile, welding, which is subject to, not to be fallen off；Outer drawing H profile steel purlin is set to foundation pit
It pushes up on the soil body；
E, the screwing steel bars inserting hole on foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile
The interspersed point position of several reinforcing bars is determined on foundation pit Larsen steel sheet pile and outer drawing Larsen steel sheet pile, and mark is carried out with identification pencil
Know, steel plate pore-forming is burnt using oxygen-acetylene, it is ensured that the interspersed hole site of same reinforcing bar is on same straight line when freezing；
F, preprocessing and the outer drawing reinforcing bar of setting（5）
Reinforcing bar will be drawn outside prefabricated diameter 25mm（5）, outer drawing reinforcing bar is from foundation pit H profile steel purlin（3）With foundation pit Larsen steel sheet pile（4）Steel
Muscle inserting hole passes through, up through outer drawing Larsen steel sheet pile（6）With outer drawing H profile steel purlin（7）, outer one end for drawing reinforcing bar is equipped with
90 ° bending, bend segment length 200mm, and with foundation pit H profile steel purlin（3）Inside steel plate be welded and fixed, it is outer draw reinforcing bar it is another
End is equipped with mantle fiber, draws the outside of H profile steel purlin to fasten outside with high-strength hexagonal (hexagon)nut and washer, tenses foundation pit Larsen steel sheet pile
（4）With outer drawing Larsen steel sheet pile（6）；Every 5 foundation cheats Larsen steel sheet pile（4）Composition one goes along with sb. to guard him reinforcement elements, each reinforcement elements
With drawing reinforcing bar outside five（5）Larsen steel sheet pile is drawn outside with by 2（6）Reinforcement elements connection is drawn outside composition one；Outer drawing reinforcing bar（5）With
Outer drawing reinforcement elements are every one piece of foundation pit Larsen steel sheet pile（4）It carries out jumping stake connection.
2. external pulling type Larsen steel sheet pile reinforcement means as described in claim 1, which is characterized in that in step c, diagonal brace channel steel is
28b channel steels.
3. external pulling type Larsen steel sheet pile reinforcement means as described in claim 1, which is characterized in that in step f, nut M22
High-strength hexagonal (hexagon)nut, using double nut；Washer is the washer that 100X100X10mm steel plates make.
4. external pulling type Larsen steel sheet pile reinforcement means as described in claim 1, which is characterized in that the foundation pit H profile steel purlin
（3）It is set up using H400X400X13X21 shaped steel.
5. external pulling type Larsen steel sheet pile reinforcement means as described in claim 1, which is characterized in that the outer drawing H profile steel purlin
（7）It is set up using H400X400X13X21 shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267671.9A CN106284366B (en) | 2015-05-25 | 2015-05-25 | External pulling type Larsen steel sheet pile reinforcement means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267671.9A CN106284366B (en) | 2015-05-25 | 2015-05-25 | External pulling type Larsen steel sheet pile reinforcement means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106284366A CN106284366A (en) | 2017-01-04 |
| CN106284366B true CN106284366B (en) | 2018-09-14 |
Family
ID=57632811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510267671.9A Active CN106284366B (en) | 2015-05-25 | 2015-05-25 | External pulling type Larsen steel sheet pile reinforcement means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106284366B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090828A (en) * | 2017-05-23 | 2017-08-25 | 五冶集团上海有限公司 | A kind of Larsen steel sheet pile construction method for buried cable pipeline protection |
| CN108951440A (en) * | 2018-08-07 | 2018-12-07 | 中铁株洲桥梁有限公司 | The safeguard structure and protection construction method of existing roadbed in a kind of construction of extension culvert |
| CN110306563A (en) * | 2019-07-22 | 2019-10-08 | 中铁第一勘察设计院集团有限公司 | Steel purlin fall arrest conversion equipment |
| CN112695741A (en) * | 2020-11-27 | 2021-04-23 | 中国建筑第四工程局有限公司 | Deep silt foundation pit steel sheet pile reinforcing device and construction method thereof |
| CN113123346B (en) * | 2021-04-16 | 2022-11-29 | 中国建筑第八工程局有限公司 | Assembly type anchor pulling node between support pile and surrounding purlin profile steel and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096102A (en) * | 2000-09-21 | 2002-04-02 | Nippon Steel Corp | Larsen steel sheet pile rolling method |
| JP2006063521A (en) * | 2004-08-24 | 2006-03-09 | Nippon Steel Corp | Steel sheet pile, its manufacturing method, its fitting structure, and cut-off method for steel sheet pile wall |
| CN101761068A (en) * | 2009-11-10 | 2010-06-30 | 同济大学 | Box-raft pressure-bearing type foundation underpinning and construction reinforcing method for tunnel across pile foundation of bridge above river |
| CN103981879A (en) * | 2014-06-03 | 2014-08-13 | 上海隧道工程股份有限公司 | Cofferdam structure and construction method thereof |
-
2015
- 2015-05-25 CN CN201510267671.9A patent/CN106284366B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096102A (en) * | 2000-09-21 | 2002-04-02 | Nippon Steel Corp | Larsen steel sheet pile rolling method |
| JP2006063521A (en) * | 2004-08-24 | 2006-03-09 | Nippon Steel Corp | Steel sheet pile, its manufacturing method, its fitting structure, and cut-off method for steel sheet pile wall |
| CN101761068A (en) * | 2009-11-10 | 2010-06-30 | 同济大学 | Box-raft pressure-bearing type foundation underpinning and construction reinforcing method for tunnel across pile foundation of bridge above river |
| CN103981879A (en) * | 2014-06-03 | 2014-08-13 | 上海隧道工程股份有限公司 | Cofferdam structure and construction method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 拉森钢板桩在黄浦江围堰中的应用;魏富华等;《科技资讯》;20130613(第17期);第50-52页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106284366A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106284366B (en) | External pulling type Larsen steel sheet pile reinforcement means | |
| CN106498950B (en) | Anchor head is placed in the implementation method of the Pile-Anchor Supporting for Deep Excavation system of pile body | |
| CN106522242B (en) | For soft stratum close to underground structure foundation pit supporting system construction method | |
| CN101429768B (en) | Pre-stress high-strength concrete pipe pile static-pressure construction method | |
| CN103243745B (en) | A kind of method of pile tube deviation rectification | |
| CN108487256B (en) | Reinforced structure and method for deepening and super-digging foundation pit | |
| CN104179204A (en) | Pile foundation underpinning method for building foundation adjacent to deep foundation pit | |
| CN111851302A (en) | Rapid construction method of steel trestle | |
| CN202202326U (en) | High strength concrete precast tubular pile extension structure | |
| CN108999394B (en) | Construction process of floor type scaffold rotary cantilever type scaffold | |
| CN102400470B (en) | Multi-platform deep foundation construction method for slope high-rise building | |
| CN112459807A (en) | Tunnel soft rock large-deformation support reinforcing device and method | |
| CN206408630U (en) | Anchor head is placed in the Pile-Anchor Supporting for Deep Excavation system of pile body | |
| CN110468888A (en) | A kind of miniature steel pipe stake body displacement monitor and method | |
| CN103603357B (en) | A kind of multi-platform without inner support self waterproofing foundation pit enclosure structure and constructional method thereof | |
| CN107013046B (en) | A kind of antidote of big section steel pipe concrete combination column | |
| KR20160057747A (en) | Prestressed wale for temporary facility | |
| CN211621598U (en) | A foundation ditch structure for hole passes steel pipe installation | |
| JP2015067961A (en) | Installation device of steel pipe pile | |
| CN105401585B (en) | Utilize the structure and its construction method of foundation ditch support system support tower crane | |
| CN106836242B (en) | Deep foundation pit anchor cable tensioning assembly type operation platform | |
| CN204780892U (en) | Tubular pile crack reinforcement structure of high strength | |
| KR200422931Y1 (en) | A pile head reinforcement structure of steel pile | |
| CN209429139U (en) | The anchor structure of deformed slope | |
| CN100591861C (en) | Mixing pile foundation pit supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |