CN107130632A - A kind of steel pipe embeds no-dig technique cantilever retaining wall and its construction method - Google Patents
A kind of steel pipe embeds no-dig technique cantilever retaining wall and its construction method Download PDFInfo
- Publication number
- CN107130632A CN107130632A CN201710425882.XA CN201710425882A CN107130632A CN 107130632 A CN107130632 A CN 107130632A CN 201710425882 A CN201710425882 A CN 201710425882A CN 107130632 A CN107130632 A CN 107130632A
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- Prior art keywords
- steel pipe
- hollow steel
- retaining wall
- riser
- concrete
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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
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
Abstract
No-dig technique cantilever retaining wall is embedded the invention discloses a kind of steel pipe, it is made up of steel pipe reinforced concrete floor and armored concrete riser, the armored concrete riser is vertically arranged on steel pipe reinforced concrete floor, and the steel pipe reinforced concrete floor is connected integral with armored concrete riser by adjacent reinforced frame；The retaining wall, simple in construction, easy construction, the Wall back pressure size that can be subject to according to geological conditions and retaining wall adjusts the thickness of the thickness, arrangement of reinforcement, steel pipe of steel pipe reinforced concrete floor and the thickness and arrangement of reinforcement of armored concrete riser.This steel pipe embeds no-dig technique cantilever retaining wall, saves a large amount of artificial, construction costs is relatively low, and the influence degree to job site surrounding enviroment is smaller, significant for environmental protection；And the features of trenchless technology and cantilever retaining wall can be fully combined, reasonably optimizing is carried out to construction method, it is adaptable to the civil engineering such as geological hazard control, slope retaining.
Description
Technical field
The present invention relates to technical field of civil engineering, more particularly to a kind of steel pipe embed no-dig technique cantilever retaining wall and its
Construction method.
Background technology
Cantilever retaining wall is made up of bottom plate and the stalk being fixed on bottom plate, is come mainly by the weight of banketing on bottom plate
Maintain stable retaining wall.Cantilever retaining wall simple structure, adapts to relatively soft ground, and wall is high general between 6m-9m.
Cantilever retaining wall conventional construction method is to excavate the same court soil body first, and flattens ground, then applies bottom plate and wall
Body, then backfill and compacted fill.When amount of excavation is larger, and particularly the excavation soil body is structural preferable in itself, traditional construction party
Method is expensive laborious time-consuming.
On the research of trenchless technology, current research range mainly includes new no-dig technique technique study, no-dig technique
The expansion in field and trenchless technology optimization etc..On the one hand, the classification of trenchless technology is stepped up, and new trenchless technology is not
It is disconnected to emerge in large numbers；On the other hand, the application field of trenchless technology is also constantly being expanded.Initial trenchless technology is applied only for pipe
The installation in road, repair and change, and current trenchless technology application be extended to environmental improvement and detection, oil drilling,
Drawing-off gas and cbm development, pipe shed support and foundation engineering etc..
Currently, main trenchless technology includes new pipeline construction technology, pipeline update method and pipe rehabilitation technology three
Major class.Specifically include push bench process, micro-tunneling method, horizontal directional drilling and booster method etc..Trenchless technology construction technology is increasingly
Following development trend is presented in specification, construction equipment constantly improve：Horizontal layout creep into and guide digging seriation, systematization, from
Dynamicization and hard rockization develop.But trenchless technology is also made not ideal enough at many aspects at present, still has huge improvement empty
Between.Demand is the mother of innovation, and the exploitation of new technology need to obtain benefit by demand driving, and from scale and competition.
The content of the invention
No-dig technique cantilever retaining wall and its construction method are embedded it is an object of the invention to provide a kind of steel pipe, to solve
The problem of being proposed in above-mentioned background technology.
No-dig technique cantilever retaining wall is embedded the invention provides a kind of steel pipe, by steel pipe reinforced concrete floor and reinforcing bar
Concrete riser is constituted, and the armored concrete riser is vertically arranged on steel pipe reinforced concrete floor, the steel pipe reinforcing bar
Concrete floor includes hollow steel pipe, reinforced frame and concrete, and the reinforced frame is arranged at the inside of hollow steel pipe, the coagulation
Soil is poured into hollow steel pipe, and the bottom surface of the hollow steel pipe is fixedly connected with vertical reinforcing pile, and the left end of hollow steel pipe is set
It is equipped with ballast body；The armored concrete riser includes reinforced frame and concrete, and the right side of the reinforced frame is provided with transversely strengthening
Strengthening nail is provided with stake, the transversely strengthening stake, the right-hand member of the strengthening nail passes through transversely strengthening stake and extend into sandy gravel；
The hollow steel pipe is embedded in Soft Soil Layer using open type tube method level, the steel pipe reinforced concrete floor and armored concrete
Riser connects integral by adjacent reinforced frame.
Set it is preferred that the surface of the hollow steel pipe is provided with circular port, the bottom of the armored concrete riser
Circular pore diameter size matches on the surface of steel column, the steel column diameter and hollow steel pipe.
It is preferred that the hollow steel pipe surface is provided with anticorrosive coat.
It is preferred that the hollow steel pipe is the square hollow steel pipe of seamless-molding technique, wall thickness is 1-1.5cm.
It is preferred that the concrete includes cement, granite stones, silica flour, zeolite powder, flyash and ferroso-ferric oxide
Powder, wherein being mixed with 200~250 kilograms of granite stones, 100~150 kilograms of silica flours, 50~100 public affairs in every 100 kilograms of cement
Jin zeolite powder, 50~100 kilograms of flyash and 20~30 kilograms of ferroso-ferric oxide powder.
It is preferred that the outer slope of described armored concrete riser is 1:0.02-1:0.05, inner side is vertical plane, and
Wall top width degree is no less than 300mm.
A kind of steel pipe embeds the construction method of no-dig technique cantilever retaining wall, comprises the following steps：
(1) preparation：Prepare hollow steel pipe and vertical reinforcing pile first, the size of hollow steel pipe and vertical reinforcing pile will
It is determined according to design drawing；Vertical reinforcing pile is fixed on after complete the bottom surface of hollow steel pipe；
(2) cleaning in place and the preparation of material：Before formal construction, cleaning work place, prepares construction material
(cement, granite stones, silica flour, zeolite powder, flyash and ferroso-ferric oxide powder), while ensuring the stacking position of construction material
Put, the construction road at boudoir turnover scene is unobstructed；
(3) steel pipe reinforced concrete floor is constructed：It is smooth to place progress before construction, and construction opening formula is rammed into tube method institute
With the soil compaction in carrier region, tube method is then rammed using open type hollow steel pipe and the insertion of vertical reinforcing pile level is original
In the soil body, wait hollow steel pipe to arrive at behind target location, the core in hollow steel pipe is removed, then the good reinforced frame of colligation put
Put in the inside of hollow steel pipe；
(4) setting of ballast body：The left side of hollow steel pipe in step (3) in the original soil body sets ballast body；
(5) armored concrete riser is constructed：The reinforced frame colligation of steel pipe armored concrete riser is carried out, then enters hand of traveling far and wide
The installation set up with template of frame；
(6) left side for the armored concrete riser built in step (5) sets transversely strengthening stake, and in transversely strengthening stake
Inside sets strengthening nail；
(7) concreting：The steel pipe reinforced concrete floor and step for the non-casting concrete that step (3) is obtained
(5) the armored concrete riser of the non-casting concrete obtained is uniformly poured using concrete, and pouring once to be built into
Type；After concrete strength reaches and tears open and touch requirement, by scaffold and form removable, and water seasoning is carried out in time.
The present invention compared with prior art, the advantage is that：
A kind of steel pipe proposed by the present invention embeds no-dig technique cantilever retaining wall, and simple in construction, easy construction can base area
Wall back pressure size that matter condition and retaining wall are subject to adjusts the thickness, arrangement of reinforcement, steel pipe of steel pipe reinforced concrete floor
The thickness and arrangement of reinforcement of thickness and armored concrete riser.This steel pipe embeds no-dig technique cantilever retaining wall, saves a large amount of people
Work, construction costs is relatively low, and the influence degree to job site surrounding enviroment is smaller, significant for environmental protection；And
And the features of trenchless technology and cantilever retaining wall can be fully combined, reasonably optimizing, power transmission are carried out to construction method
It is clearly reliable, it can preferably play the strength characteristics of material, it is adaptable to the civil engineering such as geological hazard control, slope retaining.
Brief description of the drawings
Fig. 1 embeds no-dig technique cantilever retaining wall structural representation for a kind of steel pipe that the present invention is provided.
Description of reference numerals：
1st, hollow steel pipe；2nd, reinforced frame；3rd, concrete；4th, ballast body；5th, vertical reinforcing pile；6th, transversely strengthening stake；7th, add
It is fixed；8th, the original soil body；9th, Soft Soil Layer；10th, hard stratum；11st, sandy gravel.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain do not limited by embodiment.
As shown in figure 1, no-dig technique cantilever retaining wall is embedded the embodiments of the invention provide a kind of steel pipe, by steel pipe reinforcing bar
Concrete floor and armored concrete riser are constituted, and the armored concrete riser is vertically arranged in steel pipe reinforced concrete floor
On, the steel pipe reinforced concrete floor includes hollow steel pipe 1, reinforced frame 2 and concrete 3, and the reinforced frame 2 is arranged at hollow
The inside of steel pipe 1, the concrete 3 is poured into hollow steel pipe 1, and the bottom surface of the hollow steel pipe 1 is fixedly connected with vertical add
Gu stake 5, and the left end of hollow steel pipe 1 is provided with ballast body 4；The armored concrete riser includes reinforced frame 2 and concrete 3,
The right side of the reinforced frame 2 is provided with transversely strengthening stake 6, and the transversely strengthening stake 6 is interior to be provided with strengthening nail 7, the right side of the strengthening nail 7
End is through transversely strengthening stake 6 and extend into sandy gravel 11；The hollow steel pipe 1 is using open type tube method level insertion Soft Soil Layer
In 9, the steel pipe reinforced concrete floor is connected integral with armored concrete riser by adjacent reinforced frame 2.
In embodiments of the present invention, the surface of hollow steel pipe 1 is provided with circular port, the bottom of the armored concrete riser
Upper setting steel column, the steel column diameter matches with circular pore diameter size on the surface of hollow steel pipe 1；Hollow steel pipe 1
Surface is provided with anticorrosive coat；Hollow steel pipe 1 is the square hollow steel pipe of seamless-molding technique, and wall thickness is 1-1.5cm；Concrete 3
Include cement, granite stones, silica flour, zeolite powder, flyash and ferroso-ferric oxide powder, wherein being mixed in every 100 kilograms of cement
Conjunction has 200~250 kilograms of granite stones, 100~150 kilograms of silica flours, 50~100 kilograms of zeolite powders, 50~100 kilograms of fine coal
Ash and 20~30 kilograms of ferroso-ferric oxide powder；The outer slope of armored concrete riser is 1:0.02-1:0.05, inner side is vertical
Face, and wall top width degree is no less than 300mm.
A kind of steel pipe embeds the construction method of no-dig technique cantilever retaining wall, comprises the following steps：
(1) preparation：Prepare hollow steel pipe and vertical reinforcing pile first, the size of hollow steel pipe and vertical reinforcing pile will
It is determined according to design drawing；Vertical reinforcing pile is fixed on after complete the bottom surface of hollow steel pipe；
(2) cleaning in place and the preparation of material：Before formal construction, cleaning work place, prepares construction material
(cement, granite stones, silica flour, zeolite powder, flyash and ferroso-ferric oxide powder), while ensuring the stacking position of construction material
Put, the construction road at boudoir turnover scene is unobstructed；
(3) steel pipe reinforced concrete floor is constructed：It is smooth to place progress before construction, and construction opening formula is rammed into tube method institute
With the soil compaction in carrier region, tube method is then rammed using open type hollow steel pipe and the insertion of vertical reinforcing pile level is original
In the soil body, wait hollow steel pipe to arrive at behind target location, the core in hollow steel pipe is removed, then the good reinforced frame of colligation put
Put in the inside of hollow steel pipe；
(4) setting of ballast body：The left side of hollow steel pipe in step (3) in the original soil body sets ballast body；
(5) armored concrete riser is constructed：The reinforced frame colligation of steel pipe armored concrete riser is carried out, then enters hand of traveling far and wide
The installation set up with template of frame；
(6) left side for the armored concrete riser built in step (5) sets transversely strengthening stake, and in transversely strengthening stake
Inside sets strengthening nail；
(7) concreting：The steel pipe reinforced concrete floor and step for the non-casting concrete that step (3) is obtained
(5) the armored concrete riser of the non-casting concrete obtained is uniformly poured using concrete, and pouring once to be built into
Type；After concrete strength reaches and tears open and touch requirement, by scaffold and form removable, and water seasoning is carried out in time.
In summary, a kind of steel pipe provided in an embodiment of the present invention embeds no-dig technique cantilever retaining wall, simple in construction, applies
Work is convenient, and the Wall back pressure size that can be subject to according to geological conditions and retaining wall adjusts the thickness of steel pipe reinforced concrete floor
Degree, arrangement of reinforcement, the thickness and arrangement of reinforcement of the thickness of steel pipe and armored concrete riser.This steel pipe embeds no-dig technique cantilevered earth-retaining
Wall, saves a large amount of artificial, construction costs is relatively low, and the influence degree to job site surrounding enviroment is smaller, has for environmental protection
It is significant；And the features of trenchless technology and cantilever retaining wall can be fully combined, construction method is carried out
Reasonably optimizing, power transmission is clearly reliable, can preferably play the strength characteristics of material, it is adaptable to geological hazard control, side slope branch
The civil engineerings such as shield.
Disclosed above is only several specific embodiments of the present invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think change should all fall into protection scope of the present invention.
Claims (7)
1. a kind of steel pipe embeds no-dig technique cantilever retaining wall, by steel pipe reinforced concrete floor and armored concrete riser structure
Into the armored concrete riser is vertically arranged on steel pipe reinforced concrete floor, it is characterised in that the steel pipe reinforcing bar is mixed
Solidifying soil bottom plate includes hollow steel pipe (1), reinforced frame (2) and concrete (3), and the reinforced frame (2) is arranged at hollow steel pipe (1)
Inside, the concrete (3) is poured into hollow steel pipe (1), and the bottom surface of the hollow steel pipe (1) is fixedly connected with vertical reinforcing
Stake (5), and the left end of hollow steel pipe (1) is provided with ballast body (4)；The armored concrete riser includes reinforced frame (2) and mixed
Solidifying soil (3), the right side of the reinforced frame (2), which is provided with transversely strengthening stake (6), the transversely strengthening stake (6), is provided with strengthening nail
(7), the right-hand member of the strengthening nail (7) is through transversely strengthening stake (6) and extend into sandy gravel (11)；The hollow steel pipe (1)
Using in open type tube method level insertion Soft Soil Layer (9), the steel pipe reinforced concrete floor passes through with armored concrete riser
Adjacent reinforced frame (2) connection is integral.
2. a kind of steel pipe as claimed in claim 1 embeds no-dig technique cantilever retaining wall, it is characterised in that the hollow steel pipe
(1) surface, which is provided with circular port, the bottom of the armored concrete riser, sets steel column, the steel column diameter and sky
Circular pore diameter size matches on the surface of heart steel pipe (1).
3. a kind of steel pipe as claimed in claim 1 embeds no-dig technique cantilever retaining wall, it is characterised in that the hollow steel pipe
(1) surface is provided with anticorrosive coat.
4. a kind of steel pipe as claimed in claim 1 embeds no-dig technique cantilever retaining wall, it is characterised in that the hollow steel pipe
(1) it is the square hollow steel pipe of seamless-molding technique, wall thickness is 1-1.5cm.
5. a kind of steel pipe as claimed in claim 1 embeds no-dig technique cantilever retaining wall, it is characterised in that the concrete
(3) cement, granite stones, silica flour, zeolite powder, flyash and ferroso-ferric oxide powder are included, wherein in every 100 kilograms of cement
It is mixed with 200~250 kilograms of granite stones, 100~150 kilograms of silica flours, 50~100 kilograms of zeolite powders, 50~100 kilograms of powder
Coal ash and 20~30 kilograms of ferroso-ferric oxide powder.
6. a kind of steel pipe as claimed in claim 1 embeds no-dig technique cantilever retaining wall, it is characterised in that described reinforcing bar is mixed
The outer slope of solidifying soil riser is 1:0.02-1:0.05, inner side is vertical plane, and wall top width degree is no less than 300mm.
7. a kind of steel pipe embeds the construction method of no-dig technique cantilever retaining wall, it is characterised in that：Comprise the following steps：
(1) preparation：Prepare hollow steel pipe and vertical reinforcing pile first, the size of hollow steel pipe and vertical reinforcing pile will basis
Design drawing is determined；Vertical reinforcing pile is fixed on after complete the bottom surface of hollow steel pipe；
(2) cleaning in place and the preparation of material：Before formal construction, cleaning work place, prepares construction material (water
Mud, granite stones, silica flour, zeolite powder, flyash and ferroso-ferric oxide powder), while ensuring the stowed location of construction material, embrace
The construction road at pillow turnover scene is unobstructed；
(3) steel pipe reinforced concrete floor is constructed：It is smooth to place progress before construction, and will be held used in construction opening formula rammer tube method
The soil compaction in carrier region, then rams tube method hollow steel pipe and the original soil body of vertical reinforcing pile level insertion using open type
It is interior, wait hollow steel pipe to arrive at behind target location, the core in hollow steel pipe is removed, then the good reinforced frame of colligation be placed on
The inside of hollow steel pipe；
(4) setting of ballast body：The left side of hollow steel pipe in step (3) in the original soil body sets ballast body；
(5) armored concrete riser is constructed：The reinforced frame colligation of steel pipe armored concrete riser is carried out, scaffold is then carried out
Set up the installation with template；
(6) left side for the armored concrete riser built in step (5) sets transversely strengthening stake, and inside transversely strengthening stake
Strengthening nail is set；
(7) concreting：The steel pipe reinforced concrete floor and step (5) for the non-casting concrete that step (3) is obtained
To the armored concrete riser of non-casting concrete uniformly poured using concrete, shaping need to once be built by pouring；Treat
Concrete strength, which reaches to tear open, to be touched after requirement, by scaffold and form removable, and carries out water seasoning in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710425882.XA CN107130632A (en) | 2017-06-08 | 2017-06-08 | A kind of steel pipe embeds no-dig technique cantilever retaining wall and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710425882.XA CN107130632A (en) | 2017-06-08 | 2017-06-08 | A kind of steel pipe embeds no-dig technique cantilever retaining wall and its construction method |
Publications (1)
| Publication Number | Publication Date |
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| CN107130632A true CN107130632A (en) | 2017-09-05 |
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ID=59735184
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710425882.XA Pending CN107130632A (en) | 2017-06-08 | 2017-06-08 | A kind of steel pipe embeds no-dig technique cantilever retaining wall and its construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359482A (en) * | 2019-07-03 | 2019-10-22 | 湖州东吴建设有限公司 | A kind of cantilever retaining wall structure and its construction method |
| CN110725333A (en) * | 2019-10-23 | 2020-01-24 | 中建四局土木工程有限公司 | Construction method of retaining wall |
| CN111911183A (en) * | 2020-07-01 | 2020-11-10 | 中铁二院重庆勘察设计研究院有限责任公司 | Tunnel hole entering construction method based on end wall type guide wall structure |
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| KR100710850B1 (en) * | 2006-04-13 | 2007-04-23 | 주식회사 우일엔지니어링 | Cantilever retaining wall having ledge with prestressed tendon |
| CN103332899A (en) * | 2013-06-13 | 2013-10-02 | 镇江崟鑫新型建材科技有限公司 | Building concrete with high compressive strength |
| CN103410167A (en) * | 2013-08-29 | 2013-11-27 | 深圳市福田建安建设集团有限公司 | Three-dimensional reinforced rigid-soft composite ecological retaining wall and construction method |
| CN105155575A (en) * | 2015-08-10 | 2015-12-16 | 同济大学 | Non-excavation cantilever retaining wall with embedded steel pipe and construction method of non-excavation cantilever retaining wall |
-
2017
- 2017-06-08 CN CN201710425882.XA patent/CN107130632A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100710850B1 (en) * | 2006-04-13 | 2007-04-23 | 주식회사 우일엔지니어링 | Cantilever retaining wall having ledge with prestressed tendon |
| CN103332899A (en) * | 2013-06-13 | 2013-10-02 | 镇江崟鑫新型建材科技有限公司 | Building concrete with high compressive strength |
| CN103410167A (en) * | 2013-08-29 | 2013-11-27 | 深圳市福田建安建设集团有限公司 | Three-dimensional reinforced rigid-soft composite ecological retaining wall and construction method |
| CN105155575A (en) * | 2015-08-10 | 2015-12-16 | 同济大学 | Non-excavation cantilever retaining wall with embedded steel pipe and construction method of non-excavation cantilever retaining wall |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359482A (en) * | 2019-07-03 | 2019-10-22 | 湖州东吴建设有限公司 | A kind of cantilever retaining wall structure and its construction method |
| CN110359482B (en) * | 2019-07-03 | 2024-03-26 | 湖州东吴建设有限公司 | Cantilever type retaining wall structure and construction method thereof |
| CN110725333A (en) * | 2019-10-23 | 2020-01-24 | 中建四局土木工程有限公司 | Construction method of retaining wall |
| CN111911183A (en) * | 2020-07-01 | 2020-11-10 | 中铁二院重庆勘察设计研究院有限责任公司 | Tunnel hole entering construction method based on end wall type guide wall structure |
| CN111911183B (en) * | 2020-07-01 | 2022-03-04 | 中铁二院重庆勘察设计研究院有限责任公司 | Tunnel hole entering construction method based on end wall type guide wall structure |
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Application publication date: 20170905 |