CN109235421A - A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk - Google Patents
A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk Download PDFInfo
- Publication number
- CN109235421A CN109235421A CN201811203646.4A CN201811203646A CN109235421A CN 109235421 A CN109235421 A CN 109235421A CN 201811203646 A CN201811203646 A CN 201811203646A CN 109235421 A CN109235421 A CN 109235421A
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- Prior art keywords
- sheet pile
- steel sheet
- steel
- purlin
- double
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- 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.)
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Classifications
-
- 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
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/14—Sealing joints between adjacent sheet piles
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- 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)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of double steel sheet pile fabricated structures of the steel purlin for also serving as interim sidewalk, including double steel sheet pile (3), steel bar rod (1), steel purlin (4)；Front-seat steel purlin (41), front-seat steel sheet pile (31), steel bar rod (1), heel row steel sheet pile (32) are fixedly connected each other, also, it is provided with concrete at the top of double steel sheet pile (3) and forms concrete slab (6)；In the top outer of heel row steel sheet pile (32) every several interim sidewalk reinforcing bars (7) are distributed with, it is additionally provided with concrete and forms interim sidewalk (8) of constructing；The interim sidewalk reinforcing bar (7) is fixedly connected with the double steel sheet pile fabricated structure of steel purlin.Front and rear row steel sheet pile of the invention, interim sidewalk are closely linked together, so that front and rear row steel sheet pile and the common stress of interim sidewalk can greatly improve the lateral rigidity of double steel sheet pile.
Description
Technical field
The invention belongs to base pit engineering fields, and in particular to a kind of double steel sheet pile combination of steel purlin for also serving as interim sidewalk
Formula structure is mainly used in the base pit engineerings such as building engineering, railway traffic engineering, port and pier.
Background technique
For steel sheet pile due to low cost, quick construction is convenient, has a wide range of applications in base pit engineering field.Steel at present
Sheet pile supporting is divided into single steel sheet pile supporting and double steel sheet pile supporting, and conventional two-row steel sheet pile passes through pull rod for front-seat steel sheet pile
It links together with heel row steel sheet pile, is able to bear bigger load, be suitable in deeper base pit engineering.Therefore double steel plate
Stake has bigger market prospects.But conventional two-row steel sheet pile is connected using pull rod, can only be born pulling force, cannot be born to press
Power, cause front and rear row cannot simultaneously stress, it is difficult to play the big advantage of double-row pile lateral rigidity.
Summary of the invention
For at least one of prior art the above defects or improvement requirements, the present invention provides one kind to also serve as temporarily just
The double steel sheet pile fabricated structure of the steel purlin in road, front and rear row steel sheet pile, interim sidewalk are closely linked together, so that front and back
Steel sheet pile and the common stress of interim sidewalk are arranged, the lateral rigidity of double steel sheet pile can be greatly improved.
To achieve the above object, according to one aspect of the present invention, it is double to provide a kind of steel purlin for also serving as interim sidewalk
Arrange steel sheet pile fabricated structure, including double steel sheet pile, steel bar rod, steel purlin, it is characterised in that: double steel sheet pile includes base
The front-seat steel sheet pile of interior direction and the heel row steel sheet pile of foundation pit lateral direction are cheated, in top outer, that is, foundation pit of front-seat steel sheet pile
Interior direction is provided with front-seat steel purlin；
If being successively intervally distributed between front-seat steel sheet pile and the top of heel row steel sheet pile along double steel sheet pile longitudinal direction
Dry steel bar rod；
Front-seat steel purlin, front-seat steel sheet pile, steel bar rod, heel row steel sheet pile are fixedly connected each other, also, double
The top of steel sheet pile, gap, front-seat steel sheet pile between front-seat steel purlin and front-seat steel sheet pile and between heel row steel sheet pile are all provided with
It is equipped with concrete and forms concrete slab, concrete slab package covers all steel bar rods；
In top outer, that is, foundation pit lateral direction of heel row steel sheet pile, successively it is spaced apart along double steel sheet pile longitudinal direction
There are several interim sidewalk reinforcing bars, is additionally provided with concrete and forms interim sidewalk of constructing；
The interim sidewalk reinforcing bar is fixedly connected with the double steel sheet pile fabricated structure of steel purlin.
Preferably, the front-seat steel purlin is channel steel purlin.
Preferably, the both ends of the steel bar rod are equipped with the end of thread, and one end pass through protrusion the front-seat steel sheet pile and
Front-seat steel purlin, the other end pass through the heel row steel sheet pile of recess and extend outward；The one of adjacent another steel bar rod
The front-seat steel sheet pile, the other end across recess is held to pass through the heel row steel sheet pile of protrusion and extend outward.
Preferably, the both ends end of thread of the steel bar rod is equipped with nut, is used for the front-seat steel purlin, front-seat steel plate
Stake, steel bar rod, heel row steel sheet pile are fastenedly connected each other.
Preferably, the interim sidewalk reinforcing bar is welded and fixed one by one with the steel bar rod for stretching out the heel row steel sheet pile.
Preferably, the front-seat steel purlin is I-steel purlin.
Preferably, the both ends of the steel bar rod are welded with the front-seat steel sheet pile and heel row steel sheet pile respectively.
Preferably, it is welded and fixed between the front-seat steel purlin and front-seat steel sheet pile.
Preferably, the interim sidewalk reinforcing bar is welded and fixed with the heel row steel sheet pile.
Preferably, several distribution steel are sequentially arranged at intervals with along double steel sheet pile longitudinal direction between the steel bar rod
Muscle, the concrete slab package cover all distribution bars；
Several interim sidewalks point are sequentially arranged at intervals with along double steel sheet pile longitudinal direction between the interim sidewalk reinforcing bar
Cloth reinforcing bar, the interim sidewalk package cover all interim sidewalk distribution bars.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
1, front and rear row steel sheet pile of the invention is by steel bar rod, nut, the connection of channel steel purlin, and by double steel sheet pile
Then the reinforcement welding of pull rod and interim sidewalk is used front and rear row steel sheet pile, steel bar rod, interim sidewalk reinforcing bar, distribution bar
The concreting armoured concrete slab certain at thickness.Make front and rear row steel sheet pile and the common stress of interim sidewalk in this way, it can
To greatly improve the lateral rigidity of double steel sheet pile.
2, front and rear row steel sheet pile of the invention is welded with steel bar rod respectively, and by interim sidewalk reinforcing bar and heel row steel
Sheet pile is also using being welded to connect, then by front and rear row steel sheet pile, steel bar rod, interim sidewalk reinforcing bar, distribution bar concrete
It pours and builds up the certain armoured concrete slab of thickness.Make front and rear row steel sheet pile and the common stress of interim sidewalk in this way, it can be significantly
Improve the lateral rigidity of double steel sheet pile.
3, the double steel sheet pile enclosure structure's practice of the combined type of combination temporary construction sidewalk proposed by the present invention, it will be interim
Builder's road and front and rear row steel sheet pile are linked together by concrete slab so that front and rear row steel sheet pile and interim sidewalk jointly by
Power forms space gantry type supporting structure system, can greatly improve the lateral rigidity of supporting construction.On the one hand it can reduce base
On the other hand the suitable foundation depth of double steel sheet pile supporting construction can be improved in the deformation in hole.It is made so as to save engineering
Valence saves the construction period, there is very strong economic results in society.
Detailed description of the invention
Fig. 1 is the double steel sheet pile structural plan figure of the embodiment of the present invention 1；
Fig. 2 is double steel plate pilework 1-1 sectional view schematic diagram in Fig. 1；
Fig. 3 is 1. Fig. 1 interior joint locates full-page proof；
Fig. 4 is the double steel sheet pile structural plan figure of the embodiment of the present invention 2；
Fig. 5 is double steel plate pilework 1-1 sectional view schematic diagram in Fig. 4.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.The present invention is described in more detail With reference to embodiment.
As shown in Figs. 1-5, the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk of the invention, including it is double
Steel sheet pile 3, steel bar rod 1, steel purlin 4.
Double steel sheet pile 3 includes the front-seat steel sheet pile 31 of foundation pit interior direction and the heel row steel sheet pile of foundation pit lateral direction
32, top outer, that is, foundation pit interior direction of front-seat steel sheet pile 31 is provided with front-seat steel purlin 41.Steel purlin 4 is including before more piece
Arrange steel purlin 41.
It is successively spaced apart between front-seat steel sheet pile 31 and the top of heel row steel sheet pile 32 along double 3 longitudinal direction of steel sheet pile
There are several steel bar rods 1.
Front-seat steel purlin 41, front-seat steel sheet pile 31, steel bar rod 1, heel row steel sheet pile 32 are fixedly connected each other, and
And at the top of double steel sheet pile 3, the gap, front-seat steel sheet pile 31 between front-seat steel purlin 41 and front-seat steel sheet pile 31 are with after
It arranges between steel sheet pile 32, has poured concrete and formed concrete slab 6, the package of concrete slab 6 covers all steel bar rods 1.
In top outer, that is, foundation pit lateral direction of heel row steel sheet pile 32, successively it is spaced along double 3 longitudinal direction of steel sheet pile
Several interim sidewalk reinforcing bars 7 are distributed with, has also poured concrete and has formed interim sidewalk 8 of constructing.
The interim sidewalk reinforcing bar 7 is fixedly connected with the double steel sheet pile fabricated structure of steel purlin.
Several distribution bars 2, institute are sequentially arranged at intervals with along double 3 longitudinal direction of steel sheet pile between the steel bar rod 1
It states the package of concrete slab 6 and covers all distribution bars 2；Along double 3 longitudinal direction of steel sheet pile between the interim sidewalk reinforcing bar 7
Several interim sidewalk distribution bars 9 are sequentially arranged at intervals with, the interim package of sidewalk 8 covers all interim sidewalks and is distributed steel
Muscle 9.
The double steel sheet pile 3 uses Larsen steel sheet pile.The concrete slab 6 is in ground elevation, with a thickness of 200-
300mm。
The double steel sheet pile of structure and steel purlin for steel purlin 4 connects combination, it is preferred to use following embodiment party
Formula.
Embodiment 1:
As shown in Figure 1-3, the front row steel purlin 41 is channel steel purlin, slit opening is towards double steel sheet pile 3, or carries on the back
To double steel sheet pile 3.
The both ends of the steel bar rod 1 are equipped with the end of thread, and one end passes through the front-seat steel sheet pile 31 and the front row of protrusion
Steel purlin 41, the other end pass through the heel row steel sheet pile 32 of recess and extend outward；The one of adjacent another steel bar rod 1
The front-seat steel sheet pile 31, the other end across recess is held to pass through the heel row steel sheet pile 32 of protrusion and extend outward.
The both ends end of thread of the steel bar rod 1 is equipped with nut 5, is used for the front-seat steel purlin 41, front-seat steel sheet pile
31, steel bar rod 1, heel row steel sheet pile 32 are fastenedly connected each other.
The interim sidewalk reinforcing bar 7 is welded and fixed one by one with the steel bar rod 1 for stretching out the heel row steel sheet pile 32.
Front and rear row steel sheet pile of the invention is by steel bar rod, nut, the connection of channel steel purlin, and by the drawing of double steel sheet pile
Then the reinforcement welding of bar and interim sidewalk is used front and rear row steel sheet pile, steel bar rod, interim sidewalk reinforcing bar, distribution bar mixed
Solidifying soil, which pours, builds up the certain armoured concrete slab of thickness.Make front and rear row steel sheet pile and the common stress of interim sidewalk in this way, it can be with
Greatly improve the lateral rigidity of double steel sheet pile.
Embodiment 2:
As illustrated in figures 4-5, the front-seat steel purlin 41 is I-steel purlin, and web is substantially horizontally disposed.
It is welded respectively with the front-seat steel sheet pile 31 and heel row steel sheet pile 32 at the both ends of the steel bar rod 1.
It is welded and fixed between the front row steel purlin 41 and front-seat steel sheet pile 31.
The interim sidewalk reinforcing bar 7 is welded and fixed with the heel row steel sheet pile 32.
Front and rear row steel sheet pile of the invention is welded with steel bar rod respectively, and by interim sidewalk reinforcing bar and heel row steel plate
Stake also using being welded to connect, then pours front and rear row steel sheet pile, steel bar rod, interim sidewalk reinforcing bar, distribution bar with concrete
Build up the certain armoured concrete slab of thickness.Make front and rear row steel sheet pile and the common stress of interim sidewalk in this way, can mention significantly
The lateral rigidity of high double steel sheet pile.
Generally speaking, the double steel sheet pile enclosure structure's practice of the combined type of combination temporary construction sidewalk proposed by the present invention,
Temporary construction sidewalk and front and rear row steel sheet pile are linked together by it by concrete slab, so that front and rear row steel sheet pile and interim sidewalk
Common stress forms space gantry type supporting structure system, can greatly improve the lateral rigidity of supporting construction.It on the one hand can be with
On the other hand the suitable foundation depth of double steel sheet pile supporting construction can be improved in the deformation for reducing foundation pit.So as to save
Project cost saves the construction period, there is very strong economic results in society.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of double steel sheet pile fabricated structure of steel purlin for also serving as interim sidewalk, including double steel sheet pile (3), steel bar rod
(1), steel purlin (4), it is characterised in that: double steel sheet pile (3) includes the front-seat steel sheet pile (31) and foundation pit of foundation pit interior direction
The heel row steel sheet pile (32) of lateral direction is provided with front-seat steel in top outer, that is, foundation pit interior direction of front-seat steel sheet pile (31)
Purlin (41)；
It is successively spaced and divides along double steel sheet pile (3) longitudinal direction between front-seat steel sheet pile (31) and the top of heel row steel sheet pile (32)
It is furnished with several steel bar rods (1)；
Front-seat steel purlin (41), front-seat steel sheet pile (31), steel bar rod (1), heel row steel sheet pile (32) are fixedly connected each other,
Gap, front-seat steel plate also, at the top of double steel sheet pile (3), between front-seat steel purlin (41) and front-seat steel sheet pile (31)
Between stake (31) and heel row steel sheet pile (32), it is provided with concrete and forms concrete slab (6), concrete slab (6) package covering
All steel bar rods (1)；
In top outer, that is, foundation pit lateral direction of heel row steel sheet pile (32), along double steel sheet pile (3), longitudinal direction is successively spaced
Several interim sidewalk reinforcing bars (7) are distributed with, is additionally provided with concrete and forms interim sidewalk (8) of constructing；
The interim sidewalk reinforcing bar (7) is fixedly connected with the double steel sheet pile fabricated structure of steel purlin.
2. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as described in claim 1, it is characterised in that:
The front row steel purlin (41) is channel steel purlin.
3. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as claimed in claim 2, it is characterised in that:
The both ends of the steel bar rod (1) are equipped with the end of thread, and one end passes through the front-seat steel sheet pile (31) and the front row of protrusion
Steel purlin (41), the other end pass through the heel row steel sheet pile (32) of recess and extend outward；Adjacent another steel bar rod
(1) one end passes through the front-seat steel sheet pile (31) of recess, the other end pass through protrusion the heel row steel sheet pile (32) and to
Outside extends.
4. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as claimed in claim 3, it is characterised in that:
The both ends end of thread of the steel bar rod (1) is equipped with nut (5), is used for the front-seat steel purlin (41), front-seat steel plate
Stake (31), steel bar rod (1), heel row steel sheet pile (32) are fastenedly connected each other.
5. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as claimed in claim 3, it is characterised in that:
The interim sidewalk reinforcing bar (7) is welded and fixed one by one with the steel bar rod (1) for stretching out the heel row steel sheet pile (32).
6. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as described in claim 1, it is characterised in that:
The front row steel purlin (41) is I-steel purlin.
7. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as claimed in claim 6, it is characterised in that:
It is welded respectively with the front-seat steel sheet pile (31) and heel row steel sheet pile (32) at the both ends of the steel bar rod (1).
8. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as claimed in claim 7, it is characterised in that:
It is welded and fixed between the front row steel purlin (41) and front-seat steel sheet pile (31).
9. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as claimed in claim 7, it is characterised in that:
The interim sidewalk reinforcing bar (7) is welded and fixed with the heel row steel sheet pile (32).
10. the double steel sheet pile fabricated structure of the steel purlin for also serving as interim sidewalk as described in claim 1, it is characterised in that:
Several distribution bars (2) are sequentially arranged at intervals with along double steel sheet pile (3) longitudinal direction between the steel bar rod (1),
Concrete slab (6) package covers all distribution bars (2)；
Several interim sidewalks are sequentially arranged at intervals with along double steel sheet pile (3) longitudinal direction between the interim sidewalk reinforcing bar (7)
Distribution bar (9), interim sidewalk (8) package cover all interim sidewalk distribution bars (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203646.4A CN109235421A (en) | 2018-10-16 | 2018-10-16 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203646.4A CN109235421A (en) | 2018-10-16 | 2018-10-16 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109235421A true CN109235421A (en) | 2019-01-18 |
Family
ID=65053654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811203646.4A Pending CN109235421A (en) | 2018-10-16 | 2018-10-16 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109235421A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914423A (en) * | 2019-03-06 | 2019-06-21 | 上海市基础工程集团有限公司 | Pattern foundation pit supporting structure processing method in number library Fang Yudi narrow space |
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| CN106284296A (en) * | 2016-09-28 | 2017-01-04 | 南京工业大学 | The supporting construction of a kind of double steel sheet pile and construction method thereof |
| CN206706772U (en) * | 2017-03-02 | 2017-12-05 | 广州市城市规划勘测设计研究院 | A kind of double steel sheet pile supporting construction |
| CN207919573U (en) * | 2017-12-11 | 2018-09-28 | 中交第三航务工程勘察设计院有限公司 | A kind of sheet-pile cofferdam structure suitable for soft soil foundation |
| CN108612081A (en) * | 2018-05-18 | 2018-10-02 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of combined type multilayer Larsen steel sheet pile combination supporting system and construction method |
| CN209162803U (en) * | 2018-10-16 | 2019-07-26 | 中铁第四勘察设计院集团有限公司 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
-
2018
- 2018-10-16 CN CN201811203646.4A patent/CN109235421A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106284296A (en) * | 2016-09-28 | 2017-01-04 | 南京工业大学 | The supporting construction of a kind of double steel sheet pile and construction method thereof |
| CN206706772U (en) * | 2017-03-02 | 2017-12-05 | 广州市城市规划勘测设计研究院 | A kind of double steel sheet pile supporting construction |
| CN207919573U (en) * | 2017-12-11 | 2018-09-28 | 中交第三航务工程勘察设计院有限公司 | A kind of sheet-pile cofferdam structure suitable for soft soil foundation |
| CN108612081A (en) * | 2018-05-18 | 2018-10-02 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of combined type multilayer Larsen steel sheet pile combination supporting system and construction method |
| CN209162803U (en) * | 2018-10-16 | 2019-07-26 | 中铁第四勘察设计院集团有限公司 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914423A (en) * | 2019-03-06 | 2019-06-21 | 上海市基础工程集团有限公司 | Pattern foundation pit supporting structure processing method in number library Fang Yudi narrow space |
| CN109914423B (en) * | 2019-03-06 | 2021-03-26 | 上海市基础工程集团有限公司 | Foundation pit support treatment method in narrow space of house and ground warehouse |
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