CN105256799A - Recyclable water-filled anchor rod and construction method thereof - Google Patents
Recyclable water-filled anchor rod and construction method thereof Download PDFInfo
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- CN105256799A CN105256799A CN201510641415.1A CN201510641415A CN105256799A CN 105256799 A CN105256799 A CN 105256799A CN 201510641415 A CN201510641415 A CN 201510641415A CN 105256799 A CN105256799 A CN 105256799A
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- rubber sleeve
- water
- ring
- expansion board
- foundation pit
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Abstract
The invention discloses a recyclable water-filled anchor rod and a construction method thereof. The recyclable water-filled anchor rod and the construction method thereof are used for foundation pit supporting in soft soil. The recyclable water-filled anchor rod comprises a cushion block fixed to a slope of a foundation pit. An annular expanding plate is fixed to the cushion block. An anchor rod body is a rubber sleeve in the shape of a hammer throw. The outer end of the rubber sleeve is fixedly connected with the annular expanding plate. The top of the outer end of the rubber sleeve is connected with a control valve in a sealed mode, and the control valve is used for controlling water to enter the rubber sleeve or be discharged out of the rubber sleeve. According to the recyclable water-filled anchor rod, water in the rubber sleeve can be discharged after supporting is completed, the rubber sleeve is pulled out from an oblique hole in the slope of the foundation pit, then the anchor rod is recycled, and hidden dangers caused by anchor rods and other supporting structures left during prior foundation pit supporting to later construction are prevented; in addition, pollution to the environment is avoided, the anchoring effect is improved, engineering cost is reduced, and resources are saved.
Description
Technical field
The present invention relates to construction engineering technical field, be especially a kind ofly applied to recoverable water-filling anchor pole compared with weak soil matter pattern foundation pit supporting structure and construction method thereof.
Background technology
Along with anchoring constantly widening and developing in geotechnical engineering, anchor pole is almost applied to the various aspects in civil construction field, and its application is just at expanding day.In current engineering, the form of bracing of foundation pit mainly adopts steel sheet pile, reinforced concrete sheet pile, bored pile barricade, casing bitten pile barricade, diaphragm wall, Deep-stirred Soil-cement Gravity Retaining Wall, the stake of SMW (PCMW) engineering method, curtain with rotary jet grouting piles wall, pile-anchor system, soil nail wall and composite soil nailing wall etc.These structural systems ensure that the engineering support that pile foundation is good to a certain extent, but, its engineering material consumption is large, the engineering construction cycle is longer, and environment pollution is serious, makes under the overall situation prerequisite of energy-saving and emission-reduction, various support technology all requires further improvement, and the construction environment in the face of becoming increasingly complex, soft soil layer, the anchor pole stayed during pattern foundation pit supporting structure and other supporting and protection structure can leave hidden danger to construction from now on.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiency in prior art, there is provided a kind of and be applicable to recoverable water-filling anchor pole compared with weak soil matter pattern foundation pit supporting structure and construction method thereof, under the requirement meeting soil mass consolidation, guarantee side slope safety, realize the recycling of anchor pole after constructing, to reduce engineering cost, improve efficiency of construction.
The technical solution adopted for the present invention to solve the technical problems is: a kind of recoverable water-filling anchor pole, be applied to the pattern foundation pit supporting structure compared with weak soil matter, comprise be fixed on foundation ditch domatic on cushion block, cushion block is fixed with ring-type expansion board, described bolt body is the spherical rubber sleeve of chain, outer end and the ring-type expansion board of rubber sleeve are connected and fixed, and the outer end top seal of rubber sleeve is connected with the by-pass valve control controlling to intake in rubber sleeve or discharge water in rubber sleeve.
Specifically, the outer end of described rubber sleeve has the band of tentaculiform, and ring-type expansion board is provided with the uniform connecting hole of circumference, and described band injects knotting in connecting hole and rubber sleeve and ring are turned expansion board is connected and fixed.
Further, described by-pass valve control comprises the one way valve controlling water (flow) direction and the water intake ball valve controlling water inlet or discharge water, and one way valve and water intake ball valve are tightly connected.
The top, outer end of described rubber sleeve has the external screw thread be threaded with water intake ball valve.
Use above-mentioned recoverable water-filling anchor pole to carry out a construction method for pattern foundation pit supporting structure, there are following steps:
A, according to geology exploration report and soil layer situation, carry out pattern foundation pit supporting structure calculating, determine rock-bolt length, determine the length of rubber sleeve thus;
B, the one way valve of by-pass valve control and water intake ball valve are tightly connected after, water intake ball valve to be threaded with rubber sleeve, and good seal;
C, oblique hole of spudding on foundation ditch is domatic, the aperture in oblique hole is a bit larger tham rubber sleeve diameter, opens water intake ball valve, suitable water-filling in rubber sleeve, in the middle part of rubber sleeve, built-in steel pipe keeps rubber sleeve to become bar stake in advance, is then inserted by rubber sleeve in the oblique hole accomplished fluently;
D, on ring-type expansion board, get out the uniform connecting hole of circumference, subsequently the band on rubber sleeve is inserted in connecting hole, and tie a knot, rubber sleeve and ring-type expansion board are firmly fastened, then continue to get out the uniform through hole of circumference in connecting hole periphery, ring-type expansion board is fixed on cushion block through through hole by bolt;
E, use forcing press, to water filling in rubber sleeve, make rubber sleeve expand and soil mass consolidation, form water-filling anchor pole;
After f, supporting terminate, take off one way valve, open water intake ball valve and the water in rubber sleeve is released, rubber sleeve is pulled out recovery in oblique hole.
Preferably, in step e, the water injection pressure of described forcing press is 0.5 ~ 1MP, and water injection time is 1 ~ 1.5min.
The invention has the beneficial effects as follows: the present invention is after supporting terminates, water in rubber sleeve can be released, rubber sleeve is pulled out in the oblique hole foundation ditch is domatic, the recovery of anchor pole can be realized, prevent the anchor pole and other supporting and protection structure that stay during pattern foundation pit supporting structure in the past to the hidden danger stayed of constructing from now on, and environment is not polluted, both improve anchoring effect, also reduce engineering cost, economize on resources.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is mounting structure schematic diagram of the present invention.
Fig. 2 is rubber sleeve and ring-type expansion board connection diagram in the present invention.
Domatic 6. bolt 7. reinforcing bars of 1. cushion block 2. ring-type expansion board 2-1. connecting hole 3. rubber sleeve 3-1. band 4. by-pass valve control 5. foundation ditch in figure
Detailed description of the invention
The present invention is further illustrated with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
A kind of recoverable water-filling anchor pole as shown in Figure 1 and Figure 2, be applied to the pattern foundation pit supporting structure compared with weak soil matter, comprise the cushion block 1 be fixed on foundation ditch domatic 5, cushion block 1 is fixed with ring-type expansion board 2, described bolt body is the spherical rubber sleeve 3 of chain, outer end and the ring-type expansion board 2 of rubber sleeve 3 are connected and fixed, and the outer end top seal of rubber sleeve 3 is connected with the by-pass valve control 4 controlling to intake in rubber sleeve 3 or discharge water in rubber sleeve 3.
The outer end of described rubber sleeve 3 has the band 3-1 of tentaculiform, the length of band 3-1 is 20cm, ring-type expansion board 2 is provided with the uniform connecting hole 2-1 of circumference, and described band 3-1 injects knotting in connecting hole 2-1 and rubber sleeve 3 and ring are turned expansion board 2 is connected and fixed.
Described by-pass valve control 4 comprises the one way valve controlling water (flow) direction and the water intake ball valve controlling water inlet or discharge water, and one way valve and water intake ball valve are tightly connected, and have at the top, outer end of rubber sleeve 3 external screw thread be threaded with water intake ball valve.
Utilize above-mentioned recoverable water-filling anchor pole to implement a construction method for pattern foundation pit supporting structure, there are following steps:
A, according to geologic prospect and excavation of foundation pit situation, carry out pattern foundation pit supporting structure calculating, and according to soil layer situation determination rock-bolt length, determine the length of rubber sleeve 3 thus, this rubber sleeve 3 can bear high pressure, spherical in chain, and chain bulb diameter is 120mm;
B, the one way valve of by-pass valve control 4 and water intake ball valve are tightly connected after, water intake ball valve to be threaded with rubber sleeve 3, and good seal;
C, oblique hole of spudding on foundation ditch domatic 5, the angle of inclination in oblique hole is between 15 ~ 25 degree, the aperture in oblique hole is a bit larger tham rubber sleeve 3 diameter, open water intake ball valve, suitable water-filling in rubber sleeve 3, in the middle part of rubber sleeve 3, built-in steel pipe keeps rubber sleeve 3 to become bar stake in advance, is then inserted by rubber sleeve 3 in the oblique hole accomplished fluently;
D, on ring-type expansion board 2, get out the uniform connecting hole 2-1 of circumference, subsequently the band 3-1 on rubber sleeve 3 is inserted in connecting hole 2-1, and tie a knot, rubber sleeve 3 and ring-type expansion board 2 are firmly fastened, then continue to get out the uniform through hole of circumference in connecting hole 2-1 periphery, ring-type expansion board 2 is fixed on cushion block 1 through through hole by bolt 6, and rubber sleeve 3 can be made like this to be fixed due to the pulling force effect of band 3-1 when mobile;
E, use forcing press are to water filling in rubber sleeve 3, and the water injection pressure of forcing press is 0.5 ~ 1MP, and water injection time is 1 ~ 3min, and the rubber sleeve 3 making chain spherical expands and reinforces the soil body of foundation ditch domatic 5, forms the anchor pole of water-filling;
After f, supporting terminate, take off one way valve, open water intake ball valve and the water in rubber sleeve 3 is released, rubber sleeve 3 is pulled out recovery in oblique hole.
For whole foundation ditch, the foundation ditch domatic 5 of every one side is provided with multiple anchor pole and carries out pattern foundation pit supporting structure, after step e, the reinforcing bar 7 of usable diameter 16mm adopts welding manner to be connected by the ring-type expansion board 2 between different anchor pole, makes water-filling anchor pole form an entirety.
The present invention is after pattern foundation pit supporting structure terminates, water in rubber sleeve 3 can be released, rubber sleeve 3 is pulled out in the oblique hole foundation ditch domatic 5, the recovery of anchor pole can be realized, prevent the anchor pole and other supporting and protection structure that stay during pattern foundation pit supporting structure in the past to the hidden danger stayed of constructing from now on, and environment is not polluted, both improve anchoring effect, also reduce engineering cost, economize on resources.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. a recoverable water-filling anchor pole, be applied to the pattern foundation pit supporting structure compared with weak soil matter, comprise the cushion block (1) be fixed on foundation ditch domatic (5), cushion block (1) is fixed with ring-type expansion board (2), it is characterized in that: described bolt body is the spherical rubber sleeve (3) of chain, outer end and the ring-type expansion board (2) of rubber sleeve (3) are connected and fixed, and the outer end top seal of rubber sleeve (3) is connected with the by-pass valve control (4) controlling to intake in rubber sleeve (3) or discharge water in rubber sleeve (3).
2. recoverable water-filling anchor pole according to claim 1, it is characterized in that: the outer end of described rubber sleeve (3) has the band (3-1) of tentaculiform, ring-type expansion board (2) is provided with the uniform connecting hole (2-1) of circumference, and described band (3-1) injects knotting in connecting hole (2-1) and rubber sleeve (3) and ring are turned expansion board (2) is connected and fixed.
3. recoverable water-filling anchor pole according to claim 1, is characterized in that: described by-pass valve control (4) comprises the one way valve controlling water (flow) direction and the water intake ball valve controlling water inlet or discharge water, and one way valve and water intake ball valve are tightly connected.
4. recoverable water-filling anchor pole according to claim 3, is characterized in that: the top, outer end of described rubber sleeve (3) has the external screw thread be threaded with water intake ball valve.
5. use recoverable water-filling anchor pole described in claim 1 to carry out a construction method for pattern foundation pit supporting structure, there are following steps:
A, according to geology exploration report and soil layer situation, carry out pattern foundation pit supporting structure calculating, determine rock-bolt length, determine the length of rubber sleeve (3) thus;
B, the one way valve of by-pass valve control (4) and water intake ball valve are tightly connected after, water intake ball valve to be threaded with rubber sleeve (3), and good seal;
C, oblique hole of spudding on foundation ditch domatic (5), the aperture in oblique hole is a bit larger tham rubber sleeve (3) diameter, open water intake ball valve, suitable water-filling in rubber sleeve (3), rubber sleeve (3) middle part in advance built-in steel pipe keeps rubber sleeve (3) to become bar stake, is then inserted by rubber sleeve (3) in the oblique hole accomplished fluently;
D, on ring-type expansion board (2), get out the uniform connecting hole (2-1) of circumference, subsequently the band (3-1) on rubber sleeve (3) is inserted in connecting hole (2-1), and tie a knot, rubber sleeve (3) and ring-type expansion board (2) are firmly fastened, then continue in connecting hole (2-1) periphery to get out the uniform through hole of circumference, ring-type expansion board (2) is fixed on cushion block (1) through through hole by bolt (6);
E, use forcing press, to rubber sleeve (3) interior pressure water flooding, make rubber sleeve (3) expand and soil mass consolidation, form water-filling anchor pole;
After f, supporting terminate, take off one way valve, open water intake ball valve and the water in rubber sleeve (3) is released, rubber sleeve (3) is pulled out recovery in oblique hole.
6. construction method according to claim 5, is characterized in that: in step e, and the water injection pressure of described forcing press is 0.5 ~ 1MP, and water injection time is 1 ~ 3min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641415.1A CN105256799B (en) | 2015-09-30 | 2015-09-30 | Recyclable water-filled anchor rod and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641415.1A CN105256799B (en) | 2015-09-30 | 2015-09-30 | Recyclable water-filled anchor rod and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105256799A true CN105256799A (en) | 2016-01-20 |
| CN105256799B CN105256799B (en) | 2017-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510641415.1A Expired - Fee Related CN105256799B (en) | 2015-09-30 | 2015-09-30 | Recyclable water-filled anchor rod and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429341A (en) * | 2020-12-22 | 2021-03-02 | 安徽万秀园生态农业集团有限公司 | Mechanism for sealing end of columnar seedling culture substrate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924030A (en) * | 1982-07-29 | 1984-02-07 | Giken Seisakusho:Kk | Anchor |
| JP4308127B2 (en) * | 2004-12-09 | 2009-08-05 | 株式会社ケー・エフ・シー | Lock bolt construction method and lock bolt |
| CN201620902U (en) * | 2010-01-10 | 2010-11-03 | 张士林 | Plastic expansion-shell-type air bag anchor bolt |
| CN102943473A (en) * | 2012-11-23 | 2013-02-27 | 绍兴文理学院 | Recyclable liquid filling type tension anchor rod and application method thereof |
| CN103911992A (en) * | 2014-04-18 | 2014-07-09 | 中南大学 | Balloon-stringed inflating anchor rod |
| CN205012332U (en) * | 2015-09-30 | 2016-02-03 | 常州大学怀德学院 | But recovery type fills water stock |
-
2015
- 2015-09-30 CN CN201510641415.1A patent/CN105256799B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924030A (en) * | 1982-07-29 | 1984-02-07 | Giken Seisakusho:Kk | Anchor |
| JP4308127B2 (en) * | 2004-12-09 | 2009-08-05 | 株式会社ケー・エフ・シー | Lock bolt construction method and lock bolt |
| CN201620902U (en) * | 2010-01-10 | 2010-11-03 | 张士林 | Plastic expansion-shell-type air bag anchor bolt |
| CN102943473A (en) * | 2012-11-23 | 2013-02-27 | 绍兴文理学院 | Recyclable liquid filling type tension anchor rod and application method thereof |
| CN103911992A (en) * | 2014-04-18 | 2014-07-09 | 中南大学 | Balloon-stringed inflating anchor rod |
| CN205012332U (en) * | 2015-09-30 | 2016-02-03 | 常州大学怀德学院 | But recovery type fills water stock |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429341A (en) * | 2020-12-22 | 2021-03-02 | 安徽万秀园生态农业集团有限公司 | Mechanism for sealing end of columnar seedling culture substrate |
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| Publication number | Publication date |
|---|---|
| CN105256799B (en) | 2017-03-22 |
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Granted publication date: 20170322 |
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