CN103452104A - Anchor with clips and cores convenient to disassemble and method for recycling cores of anchor - Google Patents

Anchor with clips and cores convenient to disassemble and method for recycling cores of anchor Download PDF

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Publication number
CN103452104A
CN103452104A CN2013100183120A CN201310018312A CN103452104A CN 103452104 A CN103452104 A CN 103452104A CN 2013100183120 A CN2013100183120 A CN 2013100183120A CN 201310018312 A CN201310018312 A CN 201310018312A CN 103452104 A CN103452104 A CN 103452104A
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CN
China
Prior art keywords
anchor
core
intermediate plate
ring assembly
anchor ring
Prior art date
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Pending
Application number
CN2013100183120A
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Chinese (zh)
Inventor
周建明
徐雷云
陆晓明
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NENGGENG FUNDATION ENGINEERING Co Ltd SUZHOU CITY
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NENGGENG FUNDATION ENGINEERING Co Ltd SUZHOU CITY
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Publication date
Application filed by NENGGENG FUNDATION ENGINEERING Co Ltd SUZHOU CITY filed Critical NENGGENG FUNDATION ENGINEERING Co Ltd SUZHOU CITY
Priority to CN2013100183120A priority Critical patent/CN103452104A/en
Publication of CN103452104A publication Critical patent/CN103452104A/en
Pending legal-status Critical Current

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  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses an anchor with clips and cores convenient to disassemble. The anchor comprises an anchor ring assembly, clip assemblies and isolation sleeves; anchor holes are formed in the anchor ring assembly and are tapered holes; the clip assemblies are arranged in the anchor holes; the cores penetrate the clip assemblies arranged in the anchor holes during usage; the cores are nested in the isolation sleeves used for isolating the cores from concrete on the outer sides of the cores; the cores can be clamped in the anchor holes by the aid of the clip assemblies when dragged; electric heating devices are arranged on the anchor ring assembly or the clip assemblies; the anchor ring assembly or the clip assemblies is made of fusible materials, and can be softened or fused when the electric heating devices realize heating effects. A method for recycling the cores of the anchor with the clips and the cores convenient to disassemble includes steps of firstly, electrifying conducting wires to enable the electric heating devices to realize the heating effects until the clip assemblies or the anchor ring assembly are softened or fused; secondly, pulling out the cores. The anchor with the clips and the cores convenient to disassemble and the method have the advantages that the anchor is simple and practical in structure, and the method for recycling the cores of the anchor is simple and can be implemented conveniently.

Description

A kind of strand tapered anchorage and the core recovery method thereof that can conveniently tear core open
Technical field
The present invention relates to a kind of being applied in geotechnical engineering foundation ditch and slope retaining, can conveniently realize the strand tapered anchorage that can conveniently tear core open and core recovery method thereof that core reclaims.
Background technology
Along with the propelling of urbanization process, the construction of the underground installations such as underground parking, underground tunnel, subterranean commercial area, underground railway need to be carried out foundation ditch and slope retaining.
In prior art, as castinplace pile, anchor pole and soil nailing are widely used in geotechnical engineering, core raw material as main bearing member is steel, as reinforcing bar, steel pipe, steel strand, wire rope, for reinforcing foundation ditch and side slope, obtained extraordinary result of use, but the steel of application are all disposable uses usually, and use rear core and all be retained in soil layer, not only waste material, also to adjacent structure, construction forms obstacle.As the rock-bolt length of common employing substantially all reaches 20-30 rice, soil nailing reaches 8-15 rice, according to prior art, is difficult to it is reclaimed.In considerable case history, adjacent structure because the impact of anchor pole, soil nailing has to take special working measure, is processed difficulty and the expense of underground obstacle in follow-up construction while greatly having increased exploitation.For this reason, in the urgent need to developing a kind of strand tapered anchorage and the core recovery method thereof that can conveniently tear core open, not only convenient recovery, and, in foundation ditch and slope retaining process, can not affect supporting performance.
Summary of the invention
Technical problem for above-mentioned existence the objective of the invention is: proposed a kind of being applied in geotechnical engineering foundation ditch and slope retaining, can conveniently realize the strand tapered anchorage that can conveniently tear core open and core recovery method thereof that core reclaims.
For achieving the above object, the technical solution used in the present invention is: a kind of strand tapered anchorage that can conveniently tear core open comprises anchor ring assembly, intermediate plate assembly, disrance sleeve; Be provided with anchor hole on described anchor ring assembly; Described anchor hole is arranged to tapered hole; Described intermediate plate assembly is arranged in anchor hole; During use, core is through being arranged on the intermediate plate assembly in anchor hole; Described disrance sleeve entangles core, in order to the concrete isolation by core and its outside; When pulling core, the intermediate plate assembly can be clamped in core in anchor hole; Be provided with electric heater unit on described anchor ring assembly or intermediate plate assembly; Described anchor ring assembly or intermediate plate assembly are made by fusible material, and when electric heater unit heats, described anchor ring assembly or intermediate plate assembly can soften or melt.
Preferably, the described strand tapered anchorage that can conveniently tear core open, also comprise wire, and described wire is electrically connected to electric heater unit.
Preferably, the described strand tapered anchorage that can conveniently tear core open, also comprise disrance sleeve; Described disrance sleeve is for isolating the concrete in core and the outside.
Preferably, described anchor ring assembly or intermediate plate assembly are made by epoxy resin or plastics or wax or nylon.
Preferably, described anchor ring assembly, comprise sheath; Described sheath is arranged on the inner periphery of anchor hole; The endoporus tapering of described sheath arranges.
Preferably, be provided with electric heater unit on described sheath; Described sheath is made by fusible material.
Preferably, the outer setting of described anchor ring assembly has reinforcing portion.
Preferably, the described core recovery method that can conveniently tear the strand tapered anchorage of core open comprises following steps:
One, the wire energising makes the electric heater unit heating, until intermediate plate assembly or anchor ring assembly are softening or fusing;
Two, extract core.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The strand tapered anchorage that can conveniently tear core open of the present invention, in foundation ditch and slope retaining process, can not affect supporting performance; Simultaneously, when needs reclaim, can utilize the wire energising to make the electric heater unit heating, can make anchor ring assembly or intermediate plate assembly soften or fusing, reduce or removed the frictional resistance between core and intermediate plate assembly, thereby reaching the convenient purpose that reclaims core; The strand tapered anchorage that can conveniently tear core open of the present invention is simple in structure, practical, and its core recovery method is simple, and it is convenient to implement.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
The first embodiment that accompanying drawing 1 is the strand tapered anchorage that can conveniently tear core open of the present invention partly cuts open figure;
The top view that accompanying drawing 2 is accompanying drawing 1;
Accompanying drawing 3 is the application state schematic diagram of the first embodiment of the strand tapered anchorage that can conveniently tear core open of the present invention;
Accompanying drawing 4 is the recovery view of the first embodiment of the strand tapered anchorage that can conveniently tear core open of the present invention;
The second embodiment that accompanying drawing 5 is the strand tapered anchorage that can conveniently tear core open of the present invention partly cuts open figure;
The top view that accompanying drawing 6 is accompanying drawing 5;
The 3rd embodiment that accompanying drawing 7 is the strand tapered anchorage that can conveniently tear core open of the present invention partly cuts open figure;
The top view that accompanying drawing 8 is accompanying drawing 7;
Wherein: 1, anchor ring assembly; 2, intermediate plate assembly; 3, core; 4, wire; 5, anchor hole; 6, disrance sleeve; 7, electric heater unit; 8, sheath; 9, reinforcing portion.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Embodiment mono-
As accompanying drawing 1-2 is depicted as the strand tapered anchorage that can conveniently tear core open of the present invention, comprise anchor ring assembly 1, intermediate plate assembly 2, wire 4, disrance sleeve 6; Be provided with 2 anchor holes 5 on described anchor ring assembly 1; Described anchor hole 5 is arranged to tapered hole; Be provided with intermediate plate assembly 2 in each anchor hole 5; During use, each intermediate plate assembly 2 be arranged in anchor hole 5 passes a core 3, is arranged with a separation sleeve pipe box 6 on every core 3, in order to the concrete isolation with its outside by core 3; When pulling each core 3, each intermediate plate assembly 2 can be clamped in corresponding core 3 in anchor hole 5; Described core 3 is steel strand or steel pipe or reinforcing bar or wire rope or shaped steel; Be provided with electric heater unit 7 on the assembly of anchor ring described in the present embodiment 1; Described electric heater unit 7 is arranged on inside or the external surface of anchor ring assembly 1; Described electric heater unit 7 is electrically connected to wire 4; In the present embodiment, described electric heater unit 7 is annular or other shapes or type electric heater unit, as S shape resistance wire, electrical bar; Described anchor ring assembly 1 is made by fusible material, as epoxy resin or plastics or wax or nylon are made; When electric heater unit 7 heating, described anchor ring assembly 1 can soften or melt.Described disrance sleeve 6 parcel electric wires 4, with protection electric wire 4, prevent Rock And Soil or concrete injury.Certainly, two cores 3 in the present embodiment also can be wrapped up by same disrance sleeve.
As shown in Figure 3, be provided with anchor hole 5 in anchor ring assembly 1, intermediate plate assembly 2 is set in anchor hole 5, core 3 is fixed in anchor hole 5 by intermediate plate assembly 2 through anchor ring assembly 1, the pulling force that core 3 bears is delivered in Rock And Soil by anchor ring assembly 1, to reach the effect of supporting foundation pit, other parts of core 3 are separated by disrance sleeve 6 and Rock And Soil; Wire 4 is arranged in disrance sleeve 6; As shown in Figure 4, when the supporting purpose reaches, in the time of need to from the concrete of the foundation ditch outside, taking out steel strand 3, first to wire 4 energisings, make electric heater unit 7 heatings that comprise in anchor ring assembly 1 or intermediate plate assembly 2, make anchor ring assembly 1 or 2 deliquescing of intermediate plate assembly or fusing, reduce or removed the effect of contraction of 2 pairs of cores 3 of intermediate plate assembly, now, the recycling professional tool, extract core 3 as jack, can realize the light recovery to steel strand 3, thereby reach the convenient purpose that reclaims core 3.
Embodiment bis-
As accompanying drawing 5-6 is depicted as the strand tapered anchorage that can conveniently tear core open of the present invention, comprise anchor ring assembly 1, intermediate plate assembly 2, wire 4, disrance sleeve 6; Be provided with anchor hole 5 on described anchor ring assembly 1; Described anchor hole 5 is arranged to tapered hole; Described intermediate plate assembly 2 is arranged in anchor hole 5; During use, core 3, through being arranged on the intermediate plate assembly 2 in anchor hole 5, is arranged with a separation sleeve pipe box 6 on core 3, in order to the concrete isolation with its outside by core 3; When pulling core 3, intermediate plate assembly 2 can be clamped in core 3 in anchor hole 5; Described core 3 is steel strand or steel pipe or reinforcing bar or wire rope or shaped steel; Be provided with electric heater unit 7 on the assembly of intermediate plate described in the present embodiment 2; Described electric heater unit 7 is arranged on inside or the external surface of intermediate plate assembly 2; Described electric heater unit 7 is electrically connected to wire 4; In the present embodiment, described electric heater unit 7 is annular or other shapes or type electric heater unit, as S shape resistance wire, electrical bar; Described intermediate plate assembly 2 is made by fusible material, as epoxy resin or plastics or wax or nylon are made; When electric heater unit 7 heating, described intermediate plate assembly 2 can soften or melt.Described disrance sleeve 6 parcel electric wires 4, with protection electric wire 4, prevent Rock And Soil or concrete injury.
The use of embodiment bis-and the recovery method of core thereof and embodiment mono-are similar, at this, are not repeated.
Embodiment tri-
As accompanying drawing 7-8 is depicted as the strand tapered anchorage that can conveniently tear core open of the present invention, comprise anchor ring assembly 1, intermediate plate assembly 2, wire 4, disrance sleeve 6; Be provided with anchor hole 5 on described anchor ring assembly 1; Described anchor hole 5 is arranged to tapered hole; Described anchor ring assembly, comprise sheath 8; Described sheath 8 is arranged on the inner periphery of anchor hole 5; The endoporus tapering of described sheath 8 arranges; Described intermediate plate assembly 2 is arranged in the endoporus of sheath 8; Be provided with electric heater unit 7 on described sheath 8; Described electric heater unit 7 is arranged on inside or the external surface of sheath; Described electric heater unit 7 is electrically connected to wire 4; Described electric heater unit 7 is ring resistance silk or other shapes or type electric heater unit, as S shape resistance wire, electrical bar; During use, core 3, through being arranged on the intermediate plate assembly 2 in anchor hole 5, is arranged with a separation sleeve pipe box 6 on core 3, in order to the concrete isolation with its outside by core 3; When pulling core 3, intermediate plate assembly 2 can be clamped in core 3 in anchor hole 5; Described core 3 is steel strand or steel pipe or reinforcing bar or wire rope or shaped steel; Described sheath 8 is made by fusible material, as epoxy resin or plastics or wax or nylon are made; When electric heater unit 7 heating, described sheath 8 can soften or melt.Described disrance sleeve 6 parcel electric wires 4, with protection electric wire 4, prevent Rock And Soil or concrete injury; Described anchor ring assembly 1 includes reinforcing portion 9, and described reinforcing portion 9 is arranged on the outside of anchor ring assembly 1, to strengthen the intensity of anchor ring assembly 1.
The use of embodiment tri-and the recovery method of core thereof and embodiment mono-are similar, at this, are not repeated.
In sum, in the strand tapered anchorage that can conveniently tear core open of the present invention, anchor ring assembly 1 or intermediate plate assembly 2 can be respectively parts, can be also assembly; All or part ofly in described anchor ring assembly 1 or intermediate plate assembly 2 by fusible material, made, as epoxy resin or plastics or wax or nylon are made; And be provided with electric heater unit on described anchor ring assembly 1 or intermediate plate assembly 2, when electric heater unit heats, described anchor ring assembly 1 or intermediate plate assembly 2 partly or entirely soften or fusing, thereby reduce or removed the frictional resistance between core and intermediate plate assembly, thereby reaching the convenient purpose that reclaims core 3.
The strand tapered anchorage that can conveniently tear core open of the present invention, in foundation ditch and slope retaining process, can not affect supporting performance; Simultaneously, when needs reclaim, can utilize the wire energising to make the electric heater unit heating, can make anchor ring assembly or intermediate plate components or all softening or fusings, reduce or removed the frictional resistance between core and intermediate plate assembly, thereby reaching the convenient purpose that reclaims core; The strand tapered anchorage that can conveniently tear core open of the present invention is simple in structure, practical, and its core recovery method is simple, and it is convenient to implement.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics; its purpose is to allow the person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (9)

1. the strand tapered anchorage that can conveniently tear core open, comprise anchor ring assembly, intermediate plate assembly, disrance sleeve; Be provided with anchor hole on described anchor ring assembly; Described anchor hole is arranged to tapered hole; Described intermediate plate assembly is arranged in anchor hole; It is characterized in that: during use, core is through being arranged on the intermediate plate assembly in anchor hole; Described disrance sleeve entangles core, in order to the concrete isolation by core and its outside; When pulling core, the intermediate plate assembly can be clamped in core in anchor hole; Be provided with electric heater unit on described anchor ring assembly or intermediate plate assembly; Described anchor ring assembly or intermediate plate assembly are made by fusible material, and when electric heater unit heats, described anchor ring assembly or intermediate plate assembly can soften or melt.
2. the strand tapered anchorage that can conveniently tear core open according to claim 1, it is characterized in that: also comprise wire, described wire is electrically connected to electric heater unit.
3. the strand tapered anchorage that can conveniently tear core open according to claim 2, it is characterized in that: described wire is arranged in disrance sleeve, to prevent wire, is scratched.
4. the strand tapered anchorage that can conveniently tear core open according to claim 1 is characterized in that: described anchor ring assembly or intermediate plate assembly are made by epoxy resin or plastics or wax or nylon.
5. the strand tapered anchorage that can conveniently tear core open according to claim 1, it is characterized in that: described anchor ring assembly comprises sheath; Described sheath is arranged on the inner periphery of anchor hole; The endoporus tapering of described sheath arranges.
6. the strand tapered anchorage that can conveniently tear core open according to claim 5, is characterized in that: on described sheath, be provided with electric heater unit; Described sheath is made by fusible material.
7. the strand tapered anchorage that can conveniently tear core open according to claim 6 is characterized in that: described sheath is made by epoxy resin or plastics or wax or nylon.
8. the strand tapered anchorage that can conveniently tear core open according to claim 1, it is characterized in that: the outer setting of described anchor ring assembly has reinforcing portion.
9. according to the described core recovery method that can conveniently tear the strand tapered anchorage of core open of one of the claims, comprise following steps:
One, the wire energising makes the electric heater unit heating, until intermediate plate assembly or anchor ring assembly are softening or fusing;
Two, extract core.
CN2013100183120A 2013-01-18 2013-01-18 Anchor with clips and cores convenient to disassemble and method for recycling cores of anchor Pending CN103452104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013100183120A CN103452104A (en) 2013-01-18 2013-01-18 Anchor with clips and cores convenient to disassemble and method for recycling cores of anchor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013100183120A CN103452104A (en) 2013-01-18 2013-01-18 Anchor with clips and cores convenient to disassemble and method for recycling cores of anchor

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Publication Number Publication Date
CN103452104A true CN103452104A (en) 2013-12-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104264670A (en) * 2014-10-11 2015-01-07 中冶建筑研究总院有限公司 Porous electric heating recyclable anchorage device combined type component and construction method using same
CN104818718A (en) * 2015-04-29 2015-08-05 中国建筑股份有限公司 Hot-melting self-assembly anchor head for collecting anchor cables
CN108842763A (en) * 2018-05-28 2018-11-20 中国建筑股份有限公司 A kind of interior anchor ring and preparation method applied to recoverable anchor rod
CN109083329A (en) * 2018-09-29 2018-12-25 沈阳建筑大学 The application method of recyclable delayed bonding prestressed tendon

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57137523A (en) * 1981-02-19 1982-08-25 Noboru Koga Removing method for earth anchor
CN1966863A (en) * 2005-11-18 2007-05-23 上海浦江缆索股份有限公司 Method for sealing joint of anchor and cable
CN101967867A (en) * 2010-10-27 2011-02-09 西南交通大学 Universal clamping piece type anchor for carbon fiber reinforced plastic (CFRP) bars
CN101994316A (en) * 2010-10-15 2011-03-30 张继红 Recyclable composite anchor rod and construction method thereof
CN102277872A (en) * 2011-04-26 2011-12-14 苏州市能工基础工程有限责任公司 Single hole anchor device and use method thereof
CN203096738U (en) * 2013-01-18 2013-07-31 苏州市能工基础工程有限责任公司 Clamping piece type anchorage device with core detachable conveniently

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57137523A (en) * 1981-02-19 1982-08-25 Noboru Koga Removing method for earth anchor
CN1966863A (en) * 2005-11-18 2007-05-23 上海浦江缆索股份有限公司 Method for sealing joint of anchor and cable
CN101994316A (en) * 2010-10-15 2011-03-30 张继红 Recyclable composite anchor rod and construction method thereof
CN101967867A (en) * 2010-10-27 2011-02-09 西南交通大学 Universal clamping piece type anchor for carbon fiber reinforced plastic (CFRP) bars
CN102277872A (en) * 2011-04-26 2011-12-14 苏州市能工基础工程有限责任公司 Single hole anchor device and use method thereof
CN203096738U (en) * 2013-01-18 2013-07-31 苏州市能工基础工程有限责任公司 Clamping piece type anchorage device with core detachable conveniently

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104264670A (en) * 2014-10-11 2015-01-07 中冶建筑研究总院有限公司 Porous electric heating recyclable anchorage device combined type component and construction method using same
CN104264670B (en) * 2014-10-11 2016-05-11 中冶建筑研究总院有限公司 Porous electric heating melting recyclable ground tackle combined type member and utilize its construction method
CN104818718A (en) * 2015-04-29 2015-08-05 中国建筑股份有限公司 Hot-melting self-assembly anchor head for collecting anchor cables
CN104818718B (en) * 2015-04-29 2017-03-15 中国建筑股份有限公司 A kind of hot melt self-tipping type anchor head for reclaiming anchor cable
CN108842763A (en) * 2018-05-28 2018-11-20 中国建筑股份有限公司 A kind of interior anchor ring and preparation method applied to recoverable anchor rod
CN109083329A (en) * 2018-09-29 2018-12-25 沈阳建筑大学 The application method of recyclable delayed bonding prestressed tendon

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Application publication date: 20131218