CN106223343A - Automatic flip device is utilized to carry out foundation pit supporting method and the structure of soil nailing recovery - Google Patents
Automatic flip device is utilized to carry out foundation pit supporting method and the structure of soil nailing recovery Download PDFInfo
- Publication number
- CN106223343A CN106223343A CN201610570284.7A CN201610570284A CN106223343A CN 106223343 A CN106223343 A CN 106223343A CN 201610570284 A CN201610570284 A CN 201610570284A CN 106223343 A CN106223343 A CN 106223343A
- Authority
- CN
- China
- Prior art keywords
- soil nailing
- flip device
- automatic flip
- bayonet socket
- sleeve pipe
- 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.)
- Granted
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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
- E02D5/74—Means for anchoring structural elements or bulkheads
Abstract
The present invention discloses a kind of foundation pit supporting method utilizing automatic flip device to carry out soil nailing recovery and structure, and its method for protecting support comprises the following steps: a. makes automatic flip device;B. bayonet socket is processed in soil nailing end;C. the soil nailing with bayonet socket is inserted automatic flip device, make bayonet socket corresponding with the one side of automatic flip device;D. the bayonet socket that in automatic flip device, card compresses and is allowed to soil nailing is made to contact;E. packing in sleeve pipe by the soil nailing compressing automatic flip device, the sleeve pipe that automatic flip device is corresponding has bellend, arranges elastic component between soil nailing and cannula tip;F. sleeve pipe is put into the boring of foundation ditch;G. toward slip casting in the space between sleeve pipe and boring.The present invention is on the basis of traditional Soil Nailing, realizes the recovery of soil nailing by arranging recovery Snap device in soil nailing end, thus reduces cost, reduction of erection time, the purpose little on the impact of foundation ditch surrounding enviroment, soil nailing can recycle, and makes Foundation Pit Support Engineering cost be substantially reduced.
Description
Automatic flip device is utilized to carry out foundation pit supporting method and the structure of soil nailing recovery.
Technical field
The invention belongs to field of civil engineering, particularly relate to Soil Nailing Wall construction foundation pit enclosing method.
Background technology
Soil nail wall is a kind of slope stability reinforcement means, is by boring, joint bar, grouting and reinforcing by natural rock-filled, makes
Obtain the soil body, reinforcing bar is combined with gunite concrete panel, forms a similar gravity retaining wall and carrys out the soil pressure after resistance wall with this, from
And keeping stablizing of excavation face, this soil barricade is referred to as soil nail wall.
Soil nail wall is applied to Support of Foundation Pit Excavation and execavated rockmass stably has a following characteristics: (1) brad wall base pit enclosure side
Method is compared relatively inexpensive compared with other foundation pit enclosure methods;(2) stability of soil nailed wall is more reliable, construction equipment is simple, construction letter
Just and the duration is short, effect is preferable.
But currently used brad wall base pit enclosure method there is also following obvious shortcoming: first, current soil nail wall
The soil nailing used in foundation pit enclosure can not reclaim, and produces a lot of undergrounds solid obstacle, and environmental-protecting performance is poor, has a strong impact on foundation ditch week
The underground space development in limit later stage;The most substantial amounts of reinforcing bar is embedded in underground, causes serious waste, increases construction costs.Although it is native
Nail wall is widely used at present, but makes brad wall base pit enclosure method have number of values to change owing to there is disadvantage mentioned above
The place entered.
Summary of the invention
It is an object of the invention to overcome a kind of base utilizing automatic flip device to carry out soil nailing recovery of above-mentioned not enough offer
Pit supporting method and structure, on the basis of traditional Soil Nailing, real by arranging recovery Snap device in soil nailing end
The recovery of existing soil nailing, thus reduce cost, the reduction of erection time, the purpose little on the impact of foundation ditch surrounding enviroment, soil nailing can be again
Utilize, make Foundation Pit Support Engineering cost be substantially reduced.
It is an object of the invention to realize in the following manner:
A kind of foundation pit supporting method utilizing automatic flip device to carry out soil nailing recovery, comprises the following steps:
A. automatic flip device is made;
B. bayonet socket is processed in soil nailing end;
C. the soil nailing with bayonet socket is inserted automatic flip device, make bayonet socket corresponding with the one side of automatic flip device;
D. the bayonet socket that in automatic flip device, card compresses and is allowed to soil nailing is made to contact;
E. packing in sleeve pipe by the soil nailing compressing automatic flip device, the sleeve pipe that automatic flip device is corresponding has bellend, at soil
Between nail and cannula tip, elastic component is set;
F. sleeve pipe is put into the boring of foundation ditch;
G. toward slip casting in the space between sleeve pipe and boring.
The automatic flip device that described step a is made includes that chassis, chassis are provided with the hole that can pass for soil nailing,
It is provided around two cards in the hole on chassis, is all connected by torsion spring between two cards and chassis, under the effect of torsion spring two
Card can open or compress relative to chassis.
When compressing, two cards are on the bayonet socket of soil nailing, and after two cards flick, two cards are away from bayonet socket.
The bayonet socket that in described step d automatic flip device, card compresses and is allowed to soil nailing contacts, and is by by chassis
Two cards be pressed on the bayonet socket of soil nailing, then slightly fix between the opposite side and soil nailing on chassis.
Between opposite side and the soil nailing on described chassis, slight fixing is thin by using between the opposite side and soil nailing on chassis
Iron wire spot welding connects, as long as the connected mode between the connected mode between thin wire and chassis and thin wire and soil nailing has one
Connected mode disclosure satisfy that claimed below just can, i.e. impact expose the soil nailing end outside excavation slope time, it is possible to iron wire is hit
Breaking makes two cards of Snap device flick so that card separates with the bayonet socket of soil nailing, just can realize the recovery of soil nailing.
It is additionally provided with elastic component between described step e soil nailing end and sleeve pipe.
The above-mentioned foundation pit supporting construction utilizing automatic flip device to carry out soil nailing recovery, including the soil arranged from inside to outside
Nail, sleeve pipe, grout blanket, soil nailing is enclosed within sleeve pipe, sleeve pipe and foundation ditch boring between be provided with grout blanket, described in extend in sleeve pipe
Soil nailing end be provided with bayonet socket, soil nailing is cased with automatic flip device, the side of automatic flip device is corresponding with bayonet socket,
The opposite side of automatic flip device is slightly connected with soil nailing.
Use above technical scheme, present invention have the advantage that the foundation pit supporting method that soil nailing of the present invention reclaims, be to pass
On the basis of the Soil Nailing of system, realize the recovery of soil nailing by arranging recovery Snap device in soil nailing end, thus reach
Reducing cost, reduction of erection time, the purpose little on the impact of foundation ditch surrounding enviroment, soil nailing can recycle, and makes Foundation Pit Support Engineering become
Originally it is substantially reduced.
Soil nailing reclaims from the soil body, is toward hammering soil nailing afterbody in direction in hole from excavation slope Po Bi position.At hammer force
Under effect, welding iron wire is interrupted, and card departs from bayonet socket under the action of the spring, and card is flicked, thus realizes reinforcing bar and reclaim.
Reclaim owing to the present invention can smoothly complete soil nailing, it is ensured that the stablizing of foundation ditch in soil nailing removal process, soil nailing can be eliminated and reclaim
The deformation of the foundation ditch periphery that may cause, is reclaimed by soil nailing, and soil nailing can recycle, therefore good environmental protection, economize on resources, make
Obtain Foundation Pit Support Engineering cost to be substantially reduced.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is aminoacyl site enlarged diagram in Fig. 1.
Fig. 3 is automatic flip device left view in Fig. 1.
Detailed description of the invention
A kind of foundation pit supporting method utilizing automatic flip device to carry out soil nailing recovery, comprises the following steps:
A. making automatic flip device, described automatic flip device includes that chassis, chassis are provided with the hole that can pass for soil nailing,
Being provided around two cards in the hole on chassis, be all connected by torsion spring between two cards and chassis, two cards are relative to hole energy
Enough open or compress;
B. soil nailing end being processed into bayonet socket, when compressing, two cards are on the bayonet socket of soil nailing, after two cards open, and two cards
Sheet is away from bayonet socket;
C. the soil nailing with bayonet socket is inserted automatic flip device, make bayonet socket corresponding with the one side of automatic flip device;
D. the bayonet socket that in automatic flip device, card compresses and is allowed to soil nailing is made to contact;It is by by two cards on chassis
Sheet is pressed on the bayonet socket of soil nailing, then slightly fixes between the opposite side and soil nailing on chassis;The opposite side on described chassis with
Between soil nailing, slight fixing is by being connected with thin wire between the opposite side on chassis and soil nailing, between thin wire and chassis
As long as the connected mode between connected mode and thin wire and soil nailing have a connected mode disclosure satisfy that claimed below just can, i.e.
When the soil nailing end outside foundation ditch is exposed in impact, it is possible to iron wire is struck off and makes two cards of Snap device open card and soil nailing
Bayonet socket separate, just can realize the recovery of soil nailing;The scheme that the present invention uses is by thin wire and the slight spot welding of soil nailing;
E. packing in sleeve pipe by the soil nailing compressing automatic flip device, the sleeve pipe that automatic flip device is corresponding has bellend, at soil
Arranging elastic component between nail and cannula tip, elastic component can be compacted in sleeve pipe;
F. sleeve pipe is put into the boring of foundation ditch;
G. toward slip casting in the space between sleeve pipe and boring.
As Figure 1-3, a kind of foundation pit supporting construction utilizing automatic flip device to carry out soil nailing recovery, including by introversion
The soil nailing 5 of outer setting, sleeve pipe 9, grout blanket 10, soil nailing is enclosed within sleeve pipe, is provided with grout blanket between sleeve pipe and foundation ditch boring 6,
The described soil nailing end extending in sleeve pipe is provided with bayonet socket 11, is cased with automatic flip device 7 on soil nailing, such as Fig. 2 and Fig. 3 institute
Showing, the side of automatic flip device is corresponding with bayonet socket, and the opposite side of automatic flip device is slightly connected with soil nailing, automatically springs open
Device includes the chassis 3 in the hole that band can pass for soil nailing, and the position that hole is corresponding on chassis is provided with two cards 1, two
All being connected by torsion spring 2 between card with chassis, two cards are corresponding with the bayonet socket of soil nailing, back to card side, chassis with
Between soil nailing, fixing connection, is i.e. connected back between the side, chassis and soil nailing of card by iron wire 12 spot welding.
Soil nailing of the present invention uses reinforcing bar.
The chassis of the present invention is disk, it is also possible to be square plate, as long as bellend can be stuck in, can make again soil nailing simultaneously
Through just may be used.
The structure of the bellend of sleeve pipe of the present invention is made up of two parts, and a part is the first straight tube, is cased with in the first straight tube
The chassis of Snap device, another part is the second straight tube or the bell mouth shape parts that diameter is less than the first straight tube, is flicking dress
When two cards put flick, chassis is stuck in the first straight tube, card flick after in the second straight tube or bell mouth shape parts.
Hole on Snap device chassis is more than the soil nailing i.e. diameter of reinforcing bar, and the iron wire at the connecting base plate back side with reinforcing bar is had no progeny by hitting shake,
Reinforcing bar just can be complete taking-up, the reinforcing bar of taking-up can also recycle, cost-effective.
Sleeve pipe of the present invention is divided into two parts to install when installing, and a part installs the left part of automatic flip device, another
Part installs the right part of automatic flip device.
Elastic component 8 it is additionally provided with, in soil nailing (reinforcing bar) termination when i.e. installing between soil nailing end and the sleeve pipe of the present invention
Part puts into plastic foam or spring etc..
The recovery method of soil nailing of the present invention is to be reclaimed from the soil body by soil nailing, and concrete operations are from excavation slope Po Bi position
Direction hammering reinforcing bar afterbody in hole.Under hammer force effect, welding iron wire is interrupted, and under torsion spring effect, card is with bayonet socket certainly
Move out, thus realize reinforcing bar and reclaim.
Reclaim owing to a kind of recoverable brad wall base pit enclosure 4 construction method of the present invention can smoothly complete soil nailing, it is ensured that
The stablizing of foundation ditch in soil nailing removal process, is reclaimed by soil nailing, can eliminate the soil nailing pollution to foundation ditch surrounding area, and soil nailing can
With recycling, therefore good environmental protection, economize on resources so that Foundation Pit Support Engineering cost is substantially reduced.
Claims (7)
1. utilize automatic flip device to carry out a foundation pit supporting method for soil nailing recovery, comprise the following steps:
A. automatic flip device is made;
B. bayonet socket is processed in soil nailing end;
C. the soil nailing with bayonet socket is inserted automatic flip device, make bayonet socket corresponding with the one side of automatic flip device;
D. the bayonet socket that in automatic flip device, card compresses and is allowed to soil nailing is made to contact;
E. packing in sleeve pipe by the soil nailing compressing automatic flip device, the sleeve pipe that automatic flip device is corresponding has bellend, at soil
Between nail and cannula tip, elastic component is set;
F. sleeve pipe is put into the boring of foundation ditch;
G. toward slip casting in the space between sleeve pipe and boring.
The foundation pit supporting method utilizing automatic flip device to carry out soil nailing recovery the most according to claim 1, its feature exists
In: the automatic flip device that described step a is made includes that chassis, chassis are provided with the hole that can pass for soil nailing, the end of at
The hole of dish is provided around two cards, is all connected by torsion spring between two cards and chassis, two cards under the effect of torsion spring
Can open or compress relative to chassis.
The foundation pit supporting method utilizing automatic flip device to carry out soil nailing recovery the most according to claim 2, its feature exists
In: when compressing, two cards are on the bayonet socket of soil nailing, and after two cards flick, two cards are away from bayonet socket.
The foundation pit supporting method utilizing automatic flip device to carry out soil nailing recovery the most according to claim 2, its feature exists
In: the bayonet socket that in step d automatic flip device, card compresses and is allowed to soil nailing contacts, and is by by two cards on chassis
It is pressed on the bayonet socket of soil nailing, then slightly fixes between the opposite side and soil nailing on chassis.
The foundation pit supporting method utilizing automatic flip device to carry out soil nailing recovery the most according to claim 4, its feature exists
In: between opposite side and the soil nailing on described chassis, slight fixing is by using thin wire point between the opposite side on chassis and soil nailing
Weldering connects, as long as the connected mode between the connected mode between thin wire and chassis and thin wire and soil nailing has a connection side
Formula disclosure satisfy that claimed below just can, i.e. impact expose the soil nailing end outside excavation slope time, it is possible to iron wire is struck off and makes bullet
Two cards of opening apparatus flick so that card separates with the bayonet socket of soil nailing, just can realize the recovery of soil nailing.
The foundation pit supporting method utilizing automatic flip device to carry out soil nailing recovery the most according to claim 1, its feature exists
In: it is additionally provided with elastic component between step e soil nailing end and sleeve pipe.
7. the automatic flip device that utilizes according to any one of 1-6 carries out a foundation pit supporting construction for soil nailing recovery, including by
The soil nailing of introversive outer setting, sleeve pipe, grout blanket, soil nailing is enclosed within sleeve pipe, is provided with grout blanket between sleeve pipe and foundation ditch boring, its
Be characterised by: described in the soil nailing end that extend in sleeve pipe be provided with bayonet socket, soil nailing is cased with automatic flip device, appliance for releasing single
The side of opening apparatus is corresponding with bayonet socket, and the opposite side of automatic flip device is slightly connected with soil nailing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610570284.7A CN106223343B (en) | 2016-07-20 | 2016-07-20 | The foundation pit supporting method and structure of soil nailing recycling are carried out using automatic flip device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610570284.7A CN106223343B (en) | 2016-07-20 | 2016-07-20 | The foundation pit supporting method and structure of soil nailing recycling are carried out using automatic flip device |
Publications (2)
Publication Number | Publication Date |
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CN106223343A true CN106223343A (en) | 2016-12-14 |
CN106223343B CN106223343B (en) | 2018-08-14 |
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CN201610570284.7A Expired - Fee Related CN106223343B (en) | 2016-07-20 | 2016-07-20 | The foundation pit supporting method and structure of soil nailing recycling are carried out using automatic flip device |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070105742A (en) * | 2006-04-27 | 2007-10-31 | (주)지성이씨에스 | Soil nailing device and method using double casings |
CN102182182A (en) * | 2011-04-13 | 2011-09-14 | 杭州图强工程材料有限公司 | Pressure-yielding anchor device |
CN202466583U (en) * | 2012-02-15 | 2012-10-03 | 覃永忠 | End bearing ground anchor capable of being completely recovered |
CN204098032U (en) * | 2014-09-01 | 2015-01-14 | 德州市公路工程总公司 | One draws hole implanted band branch anti-floating rock bolt |
CN104653207A (en) * | 2013-11-25 | 2015-05-27 | 梁夫川 | Recyclable expansion anchor bolt |
CN205000334U (en) * | 2015-09-14 | 2016-01-27 | 广东省基础工程集团有限公司 | Recoverable prestressed anchorage cable |
-
2016
- 2016-07-20 CN CN201610570284.7A patent/CN106223343B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070105742A (en) * | 2006-04-27 | 2007-10-31 | (주)지성이씨에스 | Soil nailing device and method using double casings |
CN102182182A (en) * | 2011-04-13 | 2011-09-14 | 杭州图强工程材料有限公司 | Pressure-yielding anchor device |
CN202466583U (en) * | 2012-02-15 | 2012-10-03 | 覃永忠 | End bearing ground anchor capable of being completely recovered |
CN104653207A (en) * | 2013-11-25 | 2015-05-27 | 梁夫川 | Recyclable expansion anchor bolt |
CN204098032U (en) * | 2014-09-01 | 2015-01-14 | 德州市公路工程总公司 | One draws hole implanted band branch anti-floating rock bolt |
CN205000334U (en) * | 2015-09-14 | 2016-01-27 | 广东省基础工程集团有限公司 | Recoverable prestressed anchorage cable |
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CN106223343B (en) | 2018-08-14 |
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Granted publication date: 20180814 Termination date: 20210720 |