CN108677966A - A kind of layer of sand air-blowing forming hole method - Google Patents
A kind of layer of sand air-blowing forming hole method Download PDFInfo
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- CN108677966A CN108677966A CN201810525857.3A CN201810525857A CN108677966A CN 108677966 A CN108677966 A CN 108677966A CN 201810525857 A CN201810525857 A CN 201810525857A CN 108677966 A CN108677966 A CN 108677966A
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- pore
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- air
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- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention proposes the fast and at low cost layer of sand air-blowing forming hole method of speed of fulfiling hole before a kind of progress soil nailing or anchor bolt construction；Including S1, geological prospecting is carried out, and progress pore-forming is determined whether according to geological prospecting result, pore-forming can be such as carried out, carry out the preparation of air compressing device, pore-forming pipe and connecting tube；S2, the connection for carrying out air compression plant, pore-forming pipe and connecting tube, and the firmness of assembling result is determined after finishing assembly；S3, start air compressing device, pore-forming is carried out by layer of sand of the pore-forming pipe in side slope；Layer of sand air-blowing forming hole method pore-forming efficiency proposed by the present invention is high, and the operating cost of pore-forming is low.
Description
Technical field
The present invention relates to building fields, particularly relate to a kind of layer of sand air-blowing forming hole method.
Background technology
In foundation pit support construction, due to the difference of geology, side slope soil layer is layer of sand in some job locations；On foundation pit side
In slope supporting soil nailing or anchor bolt construction, when excavation of foundation pit to layer of sand, since layer of sand particle is loose, cohesiveness is poor, need into
Row processing, and the local slump of of long duration and easy generation is dried after handling, it is rapid to carry out soil nailing or anchor to avoid occurring case above
Bar construction is very necessary, before carrying out soil nailing or anchor bolt construction, needs first to solve the problems, such as that soil nailing or anchor pole pore-forming are slow；
In the prior art, have through artificial Luoyang Spade pore-forming, but time-consuming inefficiency, screw drilling machine mechanical hole building
Although efficient, cost increases compared with ten several times of manual pore-forming's expense.Therefore searching one kind speed of fulfiling hole in layer of sand is fast, cost
Cheap forming hole method is very urgent.
Invention content
The present invention proposes the fast and at low cost layer of sand air-blowing pore-forming side of speed of fulfiling hole before a kind of progress soil nailing or anchor bolt construction
Method.
The technical proposal of the invention is realized in this way：
A kind of layer of sand air-blowing forming hole method, includes the following steps：
S1, geological prospecting is carried out, and progress pore-forming is determined whether according to geological prospecting result, can such as carried out into
Hole carries out the preparation of air compressing device, pore-forming pipe and connecting tube；
S2, the connection for carrying out air compression plant, pore-forming pipe and connecting tube, and assembling result is determined after finishing assembly
Firmness；
S3, start air compressing device, pore-forming is carried out by layer of sand of the pore-forming pipe in side slope.
As further technical solution, further include between S2 and S3 steps：S21, it is arranged in the position of corresponding pore-forming and prevents
Dirt device prevents the object in pore forming process from splashing by dust guard.
As further technical solution, further include between S2 and S3：S22, pore-forming pipe is arranged in pore-forming holder, and matches
The angle in hole is adjusted at aperture frame.
As further technical solution, S22 steps are：Pore-forming pipe is arranged in pore-forming holder, and is made into aperture frame and sets
It sets in the angle for adjusting pore-forming at the bevel protractor in aperture frame.
As further technical solution, S1 steps are：
Geological prospecting is carried out, and progress pore-forming is determined whether according to geological prospecting result, can such as carry out pore-forming, into
The preparation of row air compressor machine, pore-forming pipe and connecting tube.
As further technical solution, a diameter of 90mm of pore-forming pipe；A diameter of 93mm of connecting tube.
As further technical solution, S2 steps are：The connection of air compressor machine, pore-forming pipe and connecting tube is carried out, and in group
The firmness of assembling result is determined after the completion of dress.
As further technical solution, pore-forming pipe is seamless steel pipe, and is socketed with connecting tube, and passes through company in junction
Fitting is fixed.
Preferably, connector is iron wire.
As further technical solution, S3 steps are：Start air compressing device, operator holds pore-forming pipe and connection respectively
Layer of sand of the pipe in side slope carries out pore-forming.
Technical solution of the present invention explores result by address and carries out pore-forming, and is compressed and filled by air during pore-forming
It sets, the cooperation of pore-forming pipe and connecting tube, is placed in sand bed by pore-forming pipe under the action of air compression plant and carries out pore-forming, with
The prior art is compared, technical scheme of the present invention, and pore-forming efficiency is high, and the operating cost of pore-forming is low.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow chart of layer of sand air-blowing forming hole method one embodiment of the present invention；
Fig. 2 is a kind of flow chart of another embodiment of layer of sand air-blowing forming hole method of the present invention；
Fig. 3 is a kind of flow chart of layer of sand air-blowing forming hole method further embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, a kind of layer of sand air-blowing forming hole method proposed by the present invention, includes the following steps：
Embodiment 1：It before preparation of construction, needs to be prepared work, that is, carries out geological prospecting, and according to geological prospecting result
It determines whether to carry out pore-forming, can such as carry out pore-forming, carry out the preparation of air compressing device, pore-forming pipe and connecting tube；Such as address
Exploration result can not carry out pore-forming, then consider to carry out using other methods；In invention, being determined as can be with pore-forming；Specifically,
It such as explores result to show to carry out pore-forming, carries out the preparation of air compressor machine, pore-forming pipe and connecting tube；Wherein, pore-forming pipe is a diameter of
90mm；A diameter of 93mm of connecting tube；In this way to ensure that pore-forming pipe is inserted into connecting tube during connection；
The connection of air compression plant, pore-forming pipe and connecting tube is carried out, and determines the jail of assembling result after finishing assembly
Soundness；Specifically, carrying out the connection of air compressor machine, pore-forming pipe and connecting tube, and the secured of assembling result is determined after finishing assembly
Degree；Wherein, pore-forming pipe is seamless steel pipe, and is socketed with connecting tube, and is fixed by connector in junction；The present invention
In, connector is iron wire；The reinforcing of pipe and pore-forming pipe is attached by iron wire；
Start air compressing device, pore-forming is carried out by layer of sand of the pore-forming pipe in side slope；Specifically, start air compressing device, behaviour
Author holds the layer of sand of pore-forming pipe and connecting tube in side slope and carries out pore-forming respectively；In the present invention, operator is two people, a human hand
Pore-forming pipe is held, another human hand held connecting tube is real by two operator's control directions and adjustment position after starting air compressing device
Pore-forming now is carried out to different location.
Embodiment 2；It before preparation of construction, needs to be prepared work, that is, carries out geological prospecting, and according to geological prospecting result
It determines whether to carry out pore-forming, can such as carry out pore-forming, carry out the preparation of air compressing device, pore-forming pipe and connecting tube；Such as address
Exploration result can not carry out pore-forming, then consider to carry out using other methods；In invention, being determined as can be with pore-forming；Specifically,
It such as explores result to show to carry out pore-forming, carries out the preparation of air compressor machine, pore-forming pipe and connecting tube；Wherein, pore-forming pipe is a diameter of
90mm；A diameter of 93mm of connecting tube；In this way to ensure that pore-forming pipe is inserted into connecting tube during connection；
The connection of air compression plant, pore-forming pipe and connecting tube is carried out, and determines the jail of assembling result after finishing assembly
Soundness；Specifically, carrying out the connection of air compressor machine, pore-forming pipe and connecting tube, and the secured of assembling result is determined after finishing assembly
Degree；Wherein, pore-forming pipe is seamless steel pipe, and is socketed with connecting tube, and is fixed by connector in junction；The present invention
In, connector is iron wire；The reinforcing of pipe and pore-forming pipe is attached by iron wire；
Dust guard is set in the position of corresponding pore-forming, prevents the object in pore forming process from splashing by dust guard；By
It can be accompanied by sand during pore-forming and stone sprays, therefore, dust guard is set, avoids the occurrence of sand and stone flies out
It causes operator on hand, and can preferably limit the position of sand and stone using dust guard, in the process subsequently cleared up
Middle reduction workload；
Start air compressing device, pore-forming is carried out by layer of sand of the pore-forming pipe in side slope；Specifically, start air compressing device, behaviour
Author holds the layer of sand of pore-forming pipe and connecting tube in side slope and carries out pore-forming respectively；In the present invention, operator is two people, a human hand
Pore-forming pipe is held, another human hand held connecting tube is real by two operator's control directions and adjustment position after starting air compressing device
Pore-forming now is carried out to different location, the sand and stone generated in pore-forming is stopped by dust guard, is placed in preset position,
In the present invention, dust guard is preferably dust excluding plate.
Embodiment 3：Embodiment 1：Before preparation of construction, needs to be prepared work, that is, carry out geological prospecting, and according to geology
Exploration result determines whether to carry out pore-forming, can such as carry out pore-forming, carries out the standard of air compressing device, pore-forming pipe and connecting tube
It is standby；If address exploration result can not carry out pore-forming, then consider to carry out using other methods；In invention, being determined as can be at
Hole；Specifically, as exploration result is shown to carry out pore-forming, the preparation of air compressor machine, pore-forming pipe and connecting tube is carried out；Wherein, pore-forming
A diameter of 90mm of pipe；A diameter of 93mm of connecting tube；In this way to ensure that pore-forming pipe is inserted into even during connection
In taking over；
The connection of air compression plant, pore-forming pipe and connecting tube is carried out, and determines the jail of assembling result after finishing assembly
Soundness；Specifically, carrying out the connection of air compressor machine, pore-forming pipe and connecting tube, and the secured of assembling result is determined after finishing assembly
Degree；Wherein, pore-forming pipe is seamless steel pipe, and is socketed with connecting tube, and is fixed by connector in junction；The present invention
In, connector is iron wire；The reinforcing of pipe and pore-forming pipe is attached by iron wire；
Pore-forming pipe is arranged in pore-forming holder, and is made into the angle of aperture frame adjustment pore-forming；Specifically, the setting of pore-forming pipe is existed
Pore-forming holder, and be made into aperture frame and be arranged in the angle for adjusting pore-forming at the bevel protractor in aperture frame；According to different positions and survey
During spy the case where layer of sand, the angle of pore-forming is adjusted, layer of sand loosening etc. can be preferably prevented when ensureing pore-forming post-reinforcing
The appearance of problem；
Start air compressing device, pore-forming is carried out by layer of sand of the pore-forming pipe in side slope；Specifically, start air compressing device, behaviour
Author holds the layer of sand of pore-forming pipe and connecting tube in side slope and carries out pore-forming respectively；In the present invention, operator is two people, a human hand
Pore-forming pipe is held, another human hand held connecting tube is real by two operator's control directions and adjustment position after starting air compressing device
Pore-forming now is carried out to different location.
Certainly, in the present invention, dust guard and pore-forming holder can be arranged simultaneously, in this way can be during pore-forming
Carry out the adjustment of preferably dust-proof and angle.
In addition, after pore-forming pipe is placed in layer of sand, lower tool is being blown by wind-force due to sand and compared with the stone of small particle
There is mobility natural characteristic；Therefore, under the action of air compressor machine, the field of conjugate action is gradually moved to exhaust end, that is, the field of conjugate action and row
Reduce gradually between roller seating space between gas port, the gas in roller seating space is gradually compressed, and pressure improves, and forms compressed air；
The pressed gas adjustment of air compressor machine discharge is in line, gives one positive direction power of layer of sand, the sand of flowing by
The sand not flowed to negative direction power under the action of will fly out around pressure air column.I.e. by compressed gas in air compressor machine
Body blows layer of sand after being exported by pipeline straight line, to pore-forming soil nailing or anchor pole duct.
In the present invention, constructs for the different I'm glad to meet you star chart layers that kill, need to choose different tube diameters and tubing carries out, and made
Wind pressure pressure differs, specifically determines according to actual conditions, to this without limiting in the present invention.
Specific example explanation：- 8.0m~-12.5m is layer of sand under foundation pit supporting project foundation pit nature terrace, using soil nail wall
Soil nailing long 9m, diameter 0.1m；The 2 minutes technical solution pore-forming time using the present invention, and Luoyang Spade manual pore-forming has been used to need
Want 15 minutes；When Chen work quantities is 1800m, technical scheme of the present invention can shift to an earlier date 5 days compared to Luoyang Spade and complete.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of layer of sand air-blowing forming hole method, which is characterized in that include the following steps：
S1, geological prospecting is carried out, and progress pore-forming is determined whether according to geological prospecting result, can such as carry out pore-forming, into
The preparation of row air compressing device, pore-forming pipe and connecting tube；
S2, the connection for carrying out air compression plant, pore-forming pipe and connecting tube, and the secured of assembling result is determined after finishing assembly
Degree；
S3, start air compressing device, pore-forming is carried out by layer of sand of the pore-forming pipe in side slope.
2. layer of sand air-blowing forming hole method as described in claim 1, which is characterized in that also wrapped between the S2 and the S3 steps
It includes：
S21, dust guard is set in the position of corresponding pore-forming, prevents the object in pore forming process from splashing by dust guard.
3. layer of sand air-blowing forming hole method as described in claim 1, which is characterized in that further include between the S2 and the S3：
S22, pore-forming pipe is arranged in pore-forming holder, and is made into the angle of aperture frame adjustment pore-forming.
4. layer of sand air-blowing forming hole method as claimed in claim 3, which is characterized in that the S22 steps are：
Pore-forming pipe is arranged in pore-forming holder, and is made into aperture frame and is arranged in the angle for adjusting pore-forming at the bevel protractor in aperture frame.
5. layer of sand air-blowing forming hole method as described in claim 1, which is characterized in that the S1 steps are：
Geological prospecting is carried out, and progress pore-forming is determined whether according to geological prospecting result, pore-forming can be such as carried out, carry out empty
The preparation of press, pore-forming pipe and connecting tube.
6. layer of sand air-blowing forming hole method as claimed in claim 5, which is characterized in that a diameter of 90mm of the pore-forming pipe；Institute
State a diameter of 93mm of connecting tube.
7. layer of sand air-blowing forming hole method as claimed in claim 5, which is characterized in that the S2 steps are：
The connection of air compressor machine, pore-forming pipe and connecting tube is carried out, and determines the firmness of assembling result after finishing assembly.
8. layer of sand air-blowing forming hole method as claimed in claim 7, which is characterized in that the pore-forming pipe is seamless steel pipe, and with
The connecting tube socket, and be fixed by connector in junction.
9. layer of sand air-blowing forming hole method as claimed in claim 7, which is characterized in that the connector is iron wire.
10. layer of sand air-blowing forming hole method as described in claim 1, which is characterized in that the S3 steps are：
Start air compressing device, operator holds the layer of sand of pore-forming pipe and connecting tube in side slope and carries out pore-forming respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525857.3A CN108677966A (en) | 2018-05-28 | 2018-05-28 | A kind of layer of sand air-blowing forming hole method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525857.3A CN108677966A (en) | 2018-05-28 | 2018-05-28 | A kind of layer of sand air-blowing forming hole method |
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| Publication Number | Publication Date |
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| CN108677966A true CN108677966A (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810525857.3A Pending CN108677966A (en) | 2018-05-28 | 2018-05-28 | A kind of layer of sand air-blowing forming hole method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853638A (en) * | 2019-04-02 | 2019-06-07 | 中建二局第一建筑工程有限公司 | The fast pore-creating process used for Soft Soil Layer anti-float anchor rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204564667U (en) * | 2015-03-23 | 2015-08-19 | 中国矿业大学 | Portable boring cleaner |
| CN205558929U (en) * | 2016-04-26 | 2016-09-07 | 中交隧道局第四工程有限公司 | Sand cobble stratum tunnel blows device of leading pipe of hole construction |
| CN105970970A (en) * | 2016-05-25 | 2016-09-28 | 中国能源建设集团安徽电力建设第工程有限公司 | Pre-stressed anchor cable supporting construction method for near-railway deep foundation pit |
| CN107503681A (en) * | 2017-09-21 | 2017-12-22 | 中建五局土木工程有限公司 | Karst area is grown up anchor cable forming hole method |
-
2018
- 2018-05-28 CN CN201810525857.3A patent/CN108677966A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204564667U (en) * | 2015-03-23 | 2015-08-19 | 中国矿业大学 | Portable boring cleaner |
| CN205558929U (en) * | 2016-04-26 | 2016-09-07 | 中交隧道局第四工程有限公司 | Sand cobble stratum tunnel blows device of leading pipe of hole construction |
| CN105970970A (en) * | 2016-05-25 | 2016-09-28 | 中国能源建设集团安徽电力建设第工程有限公司 | Pre-stressed anchor cable supporting construction method for near-railway deep foundation pit |
| CN107503681A (en) * | 2017-09-21 | 2017-12-22 | 中建五局土木工程有限公司 | Karst area is grown up anchor cable forming hole method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853638A (en) * | 2019-04-02 | 2019-06-07 | 中建二局第一建筑工程有限公司 | The fast pore-creating process used for Soft Soil Layer anti-float anchor rod |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200509 Address after: 100000 Beijing City, Xicheng District Jing Yong 3 Applicant after: CHINA XINXING CONSTRUCTION ENGINEERING Co.,Ltd. Address before: 100079 Beijing City, Fengtai District, Shun eight No. 9 Applicant before: Zheng Lin |
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Application publication date: 20181019 |