CN114351701A - Manufacturing and using method of hot-melt type recyclable anchor cable applied to stone-containing soil - Google Patents
Manufacturing and using method of hot-melt type recyclable anchor cable applied to stone-containing soil Download PDFInfo
- Publication number
- CN114351701A CN114351701A CN202210054804.4A CN202210054804A CN114351701A CN 114351701 A CN114351701 A CN 114351701A CN 202210054804 A CN202210054804 A CN 202210054804A CN 114351701 A CN114351701 A CN 114351701A
- Authority
- CN
- China
- Prior art keywords
- hot
- anchor cable
- anchoring
- steel strand
- unbonded steel
- 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
Links
- 239000012943 hotmelt Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000004575 stone Substances 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 238000004873 anchoring Methods 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 49
- 238000002955 isolation Methods 0.000 claims abstract description 24
- 238000002844 melting Methods 0.000 claims abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 12
- 238000005553 drilling Methods 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims description 24
- 238000010248 power generation Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010042674 Swelling Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a manufacturing and using method of a hot-melt type recoverable anchor cable applied to a stone-soil-containing material, which is applied to a hot-melt type solar power supply recoverable prestressed anchor cable device and comprises the following steps: step 1, preparing anchor cables; step 2, arranging a hot melting device; step 3, installing an isolation sleeve and an anchoring end; step 4, drilling an anchor hole, and placing a prestressed anchor cable; step 5, prestress tension; and 6, recovering the anchor cable. The manufacturing and using method effectively increases the anchoring force of the anchoring body to the unbonded steel strand, and simultaneously improves the overall performance of the prestressed anchor cable device by using solar energy as clean energy.
Description
Technical Field
The invention belongs to the field of prestressed anchor cable equipment, and particularly relates to a manufacturing and using method of a hot-melt type recyclable anchor cable applied to stone-soil-containing materials.
Background
In recent years, with the rapid development of engineering technology in China, support measures are required to be taken in the construction process of a plurality of side slope, road and foundation pit projects. The prestressed anchor cable support provides additional prestress and anti-pulling force for a potential sliding area of a soil body by pre-tensioning the anchor cable, and is widely applied to engineering.
However, the existing prestressed anchor cable supporting method has certain defects. The traditional prestressed anchor cable is lack of a recoverable design, and the anchor cable is left in a soil body after supporting is finished, so that on one hand, the problems that underground space resources are occupied, and underground obstacles are increased to influence the construction of peripheral underground engineering exist; on the other hand, it causes serious material waste and increases the engineering cost.
Especially, the anchor cable comprises rock, sharp gravel and other complex terrain soil, the friction, strength and bonding strength of the traditional anchor cable anchoring end and a material contact surface can not meet the anchoring requirement, and the problem that the steel strand is separated from the anchoring body during working exists. Meanwhile, a stress concentration area is formed after the grouting body near the anchoring end is pressed and is easy to damage, so that the prestress loss is caused; if the traditional chemical power supply is adopted to heat the hot-melt material, the problems of high energy consumption, difficult erection of a power transmission line, complex maintenance of power generation equipment and the like exist. Therefore, it is a research direction to design a manufacturing and using method of a hot-melt type recoverable anchor cable applied to the soil containing rock.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a manufacturing and using method of a hot-melting type recoverable anchor cable applied to the rocky soil, wherein a bearing plate at the anchoring end of the anchor cable is designed to be opposite to a circular truncated cone-shaped through hole, so that the bearing plate generates resistance for axial anchoring and radial contraction circumferential pressure, and meanwhile, the tail ends of a plurality of strands of hinged steel cables are scattered and subjected to swelling treatment, so that the anchoring force of an anchoring body on an unbonded steel strand is effectively increased, and the overall performance of a prestressed anchor cable device is improved.
In order to achieve the purpose, the invention discloses a manufacturing and using method of a hot-melting type recoverable anchor cable applied to a stone-soil-containing hot-melting type recoverable anchor cable device, which is applied to a hot-melting type solar power supply recoverable prestressed anchor cable device and comprises the following steps:
the hot-melting solar power supply recyclable prestressed anchor cable device comprises a bearing plate and an unbonded steel strand, wherein the center of the bearing plate is provided with an opposite round table-shaped through hole; the electric heating layer is fixedly arranged on the side wall of the circular truncated cone-shaped through hole on one side of the bearing plate, which is far away from the anchoring plate; the through hole is also filled with hot melting materials; the first end of the unbonded steel strand sequentially penetrates through the isolation sleeve and the through hole of the bearing plate to be anchored in the hot-melt material, and the second end of the unbonded steel strand is limited and anchored on the anchoring plate through an anchoring nut;
derusting and polishing the unbonded steel strand, and smearing anti-corrosion grease on the surface for anti-rust treatment;
arranging an insulated wire on the inner wall of the isolation sleeve, fixing the electric heating layer on the side wall of the circular truncated cone-shaped through hole on one side of the bearing plate, which is far away from the anchoring plate, and connecting the electric heating layer and the insulated wire;
one end of the unbonded steel strand sequentially penetrates through the isolating sleeve and the opposite truncated cone-shaped through hole in the center of the bearing plate, and then the multi-strand hinge line at the end of the unbonded steel strand is decomposed, so that the multi-strand hinge line is scattered at the tail end to form a swelling state;
filling a hot-melt material in the height range of the electric heating layer, so that the upper part of the hot-melt material is bonded with the isolation sleeve, the lower part of the hot-melt material is completely wrapped with the expanded end part of the unbonded steel strand, and after the hot-melt material is solidified, installing a waterproof isolation cover at the lower part of the hot-melt material;
step 4, drilling an anchor hole, and placing a prestressed anchor cable;
drilling anchor holes, binding grouting pipes on the side faces of the manufactured anchor cables, placing the anchor cables into the drilled holes, grouting and fixing anchor plates;
when the strength of the concrete reaches a set standard, pre-stressed tensioning is carried out on the unbonded steel strand, and an anchoring nut is installed for limiting anchoring;
6, recovering the anchor cable;
step 61, heating by solar energy;
arranging a solar photovoltaic power generation device on the anchor cable support surface, connecting the power generation device with an insulated wire, continuously heating the electric heating layer by utilizing solar power generation to melt the hot-melt material, and removing the anchoring force at the end part of the anchor cable;
step 62, anchor cable recovery;
and (4) dismantling the anchoring plate and the anchoring nut, and recycling the unbonded steel strand.
Further, the anchor cable preparation in the step 1 comprises derusting and polishing the unbonded steel strand meeting the length requirement, and smearing anti-corrosion grease on the surface for anti-rust treatment.
Furthermore, the anchor hole drilling of the step 4 further comprises the procedures of measuring, setting out and positioning the drilled hole.
Further, the grouting of the step 4 comprises primary grouting and secondary grouting.
Further, the setting standard in the step 5 is that the concrete strength reaches 75%.
Further, in the step 5, a jack is used for performing prestress tensioning on the unbonded steel strand.
Further, in the step 6, the unbonded steel strand is recycled by using a winch.
The invention has the beneficial effects that:
1. according to the anchor cable anchoring end bearing plate, the design of the upper concave inverted circular truncated cone-shaped through hole is adopted, the drawing force of the unbonded steel strand during prestress tensioning is utilized and is transmitted to the bearing plate through the hot melting material, so that the bearing plate generates axial anchoring resistance and radial shrinkage circumferential pressure, and the anchoring force of the anchoring body on the unbonded steel strand is effectively increased. Meanwhile, the bearing plate applies pressure meeting at a certain point of the axis of the anchor cable to the nearby grouting body through the circular truncated cone-shaped side wall, so that on one hand, the contact area of a compressive stress concentration area of the grouting body is increased, and on the other hand, the grouting body generates radial contracted annular pressure on the unbonded steel strand; meanwhile, the multiple strands of hinged steel cables are scattered at the tail end, expanded and sealed in a hot melt material, so that the anchoring force of the unbonded steel cable is further increased, and the structure does not hinder the recovery of the steel cables after use;
2. according to the invention, by adopting the bearing plate made of a non-metal material, a rock-like material environment is kept around the anchoring end of the prestressed anchor cable, and the environment harmlessness and no metallization after the recovery of the hot-melt anchor cable are realized by taking the strength balance of the material in the supporting area as a target;
3. the solar energy is used as clean energy, the solar photovoltaic power generation device is used for forming the solar power supply heating hot melting material, the policy of national popularization of new energy application is responded, and the problems that the traditional chemical power supply is large in energy consumption, a power transmission line is difficult to erect, power generation equipment is complex to maintain and the like are solved. The solar photovoltaic power generation device can continuously supply power to the electric heating layer in the bearing plate, saves the time of the steps of carrying, installing, waiting for heating and the like when the traditional chemical power supply is used, liberates the field labor force resources and saves the time and the economic cost.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a hot-melt solar powered recyclable prestressed anchor cable device according to the present invention;
FIG. 2 is a schematic structural diagram of a carrier plate according to an embodiment of the present invention;
FIG. 3 is a plan view of the area where the solar photovoltaic power generation apparatus of the present invention is used as a solar power source to power a recoverable anchor cable device;
FIG. 4 is a schematic structural view of an end portion of a binderless steel strand according to one embodiment of the present invention.
In the figure:
the solar photovoltaic power generation device comprises a bearing plate 1, an electric heating layer 2, a hot-melt material 3, a waterproof isolation cover 4, an unbonded steel strand 5, an insulated wire 6, an isolation sleeve 7, an anchoring plate 8, an anchoring nut 9 and a solar photovoltaic power generation device 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the following description is further provided with reference to the accompanying fig. 1-3 and examples.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The method is applied to a hot-melt solar power supply recyclable prestressed anchor cable device, as an embodiment, as shown in figure 1, an anchoring end of the hot-melt solar power supply recyclable prestressed anchor cable device is provided with an unbonded steel strand 5, and the device comprises a bearing plate 1, an electric heating layer 2, a hot-melt material 3 and a waterproof isolation cover 4 which are designed to be opposite to a circular truncated cone-shaped through hole. The unbonded steel strand 5 penetrates through the opposite round table-shaped through holes and is anchored in the wrapping layer of the hot melt material 3. The drawing force of the unbonded steel strand 5 during prestress tensioning is utilized, the hot melting material 3 is transmitted to the bearing plate 1, the bearing plate 1 generates axial anchoring resistance and radial shrinkage hoop pressure, and the anchoring force of an anchoring body on the unbonded steel strand 5 is effectively increased. The electric heating layer 2 is annular and is arranged on the side wall of the circular truncated cone-shaped through hole, which is contacted with the hot melting material 3, of the bearing plate 1, the radial size of the electric heating layer is smaller than or equal to that of the circular truncated cone-shaped through hole, the electric heating rod can be uniformly distributed in an annular mode, the electric heating wire can be uniformly distributed in a surrounding mode, and the waterproof isolation cover 4 is arranged outside the electric heating layer. As shown in fig. 2, the heat-fusible solar-powered recoverable pre-stressed anchor cable device further comprises an insulated wire 6, an isolation sleeve 7, an anchor plate 8 and an anchor nut 9. An insulated wire 6 is arranged inside the insulating sleeve 7, connecting the electric heating layer 2 and an external power supply device. The isolation sleeve 7 and the bearing plate 1 are in seamless connection by adopting a hot-melt material 3 to bond the inner surface of the sleeve, and the isolation sleeve 7 and the anchoring plate 8 are in seamless connection by adopting an instant adhesive.
As shown in fig. 3, a solar photovoltaic power generation device 10 is arranged outside the hot-melt solar power supply recoverable pre-stressed anchor cable device, solar energy is used as clean energy to heat the hot-melt material 3, and pre-stressed anchor cable anchors are uniformly distributed on four rectangular corner points taking the solar photovoltaic power generation device 10 as the center of a rectangle.
The invention relates to a manufacturing and using method of a hot-melt type recoverable anchor cable applied to stone-containing soil, which comprises the following steps:
preparing the unbonded steel stranded wires 5 and the isolation sleeves 7 which accord with the designed length, derusting and polishing the unbonded steel stranded wires 5, and smearing anticorrosive grease on the surfaces for rust prevention treatment.
installing an isolation sleeve 7, arranging an insulated wire 6 on the inner wall of the isolation sleeve 7, fixing the electric heating layer 2 on the side wall of the circular truncated cone-shaped through hole on one side of the bearing plate 1 far away from the anchoring plate 8, and connecting the electric heating layer 2 and the insulated wire 6. The bearing plate 1 can be made of rock-like materials or cement in a pouring mode and manufactured in advance according to needs, the device is made of the non-metal bearing plate 1, the rock-like material environment can be kept around the anchoring end of the prestressed anchor cable, the strength balance of materials in a supporting area is taken as a target, and harmless environment and non-metallization after the hot-melt anchor cable is recovered are achieved;
after one end of the unbonded steel stranded wire 5 sequentially passes through the isolating sleeve 7 and the opposite round table-shaped through hole in the center of the bearing plate 1, the multi-strand hinge line at the end of the unbonded steel stranded wire 5 is decomposed, as shown in figure 4, so that the multiple strands are scattered at the tail end to form a puffed state;
pack hot melt material in electric heating layer 2's high scope, make 3 upper portions of hot melt material bonding isolation sleeve, the lower part wraps up the popped tip of unbonded steel strand wires 5 completely, and 3 lower parts of hot melt material can form the arch when filling in the actual operation, for example the drop of water in figure 1 to wrap up the popped tip of unbonded steel strand wires 5 completely, increase the anchor power. After the hot-melt material 3 is solidified, a waterproof isolation cover is arranged at the lower part of the hot-melt material;
anchor rope anchor end loading board 1 makes the design of concave radius circular truncated cone type through-hole down, utilizes the pull-out force of unbonded steel strand wires 5 when prestressing force stretch-draw, transmits to loading board 1 through hot melt material 3, makes loading board 1 produce the resistance of axial anchor and the hoop pressure of radial contraction, has effectively increased the anchoring power of anchor body to unbonded steel strand wires 5. Meanwhile, the bearing plate 1 applies pressure meeting at a certain point of the axis of the anchor cable to the nearby grouting body through the circular truncated cone-shaped side wall, so that on one hand, the contact area of a compressive stress concentration area of the grouting body is increased, and on the other hand, the grouting body generates radial contracted annular pressure on the unbonded steel strand; meanwhile, multiple strands of the multiple strands of steel cables hinged with the unbonded steel stranded wires 5 are scattered at the tail end, structural expansion treatment is carried out, the hot melt material 3 is sealed in, the anchoring force of the unbonded steel stranded wires 5 during tensioning is further increased, and the structure does not prevent the recycling of the unbonded steel stranded wires 5 after use;
step 4, drilling an anchor hole, and placing a prestressed anchor cable;
measuring and paying off, drilling and positioning and drilling anchor holes, binding grouting pipes on the side faces of the manufactured anchor cables, placing the anchor cables into the drilled holes, performing primary grouting and secondary grouting, and fixing the anchoring plates 8; the distance sleeve 7 and the anchor plate 8 may be seamlessly joined using an instant adhesive.
and (4) prestress tensioning, namely performing prestress tensioning on the unbonded steel strand 5 by using a jack when the strength of the concrete reaches 75%, and installing the anchor nut 9 for limiting anchoring.
And 6, recovering the anchor cable, which comprises the following specific steps:
step 61, heating by solar energy;
a solar photovoltaic power generation device 10 is arranged on the anchor cable supporting surface and connected with an insulated wire 6, and the electric heating layer 2 is continuously heated by solar power generation to melt the hot melting material 3. Along with partial hot melt material 3 is heated and melted, the end of the unbonded steel strand 5 gradually moves to one side of the anchoring plate 8 under the action of prestress, so that the whole hot melt material 3 is heated and melted to contact the anchoring force of the end of the anchor cable.
Step 62, anchor cable recovery;
and (3) dismantling the anchoring plate and the anchoring nut, recycling the unbonded steel stranded wire 5 by using a winch, wherein the multiple strands of the expanded and processed tail end of the unbonded steel stranded wire 5 are pulled upwards and can be recycled into bundles, and the multiple strands are integrally recycled under the action of the winch.
The invention adopts a bearing plate made of non-metallic materials, such as: the bearing plate can be made of cement. Thereby, a rock-like material environment is kept around the anchoring end of the prestressed anchor cable, and the environment harmlessness and the non-metallization after the recovery of the hot-melt anchor cable are realized by taking the strength balance of the material in the supporting area as a target;
meanwhile, solar energy is used as clean energy, a solar power supply is formed by the solar photovoltaic power generation device to heat the hot melting material, the policy of popularizing new energy application in China is responded, and the problems that the traditional chemical power supply is large in energy consumption, a power transmission line is difficult to erect, power generation equipment is complex to maintain and the like are solved. The solar photovoltaic power generation device can continuously supply power to the electric heating layer in the bearing plate, saves the time of the steps of carrying, installing, waiting for heating and the like when the traditional chemical power supply is used, liberates the field labor force resources and saves the time and the economic cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A manufacturing and using method of a hot-melting type recoverable anchor cable applied to a stone-soil-containing hot-melting type recoverable anchor cable device is characterized by being applied to a hot-melting type solar power supply recoverable prestressed anchor cable device and comprising the following steps:
the hot-melting solar power supply recyclable prestressed anchor cable device comprises a bearing plate and an unbonded steel strand, wherein the center of the bearing plate is provided with an opposite round table-shaped through hole; the electric heating layer is fixedly arranged on the side wall of the circular truncated cone-shaped through hole on one side of the bearing plate, which is far away from the anchoring plate; the through hole is also filled with hot melting materials; the first end of the unbonded steel strand sequentially penetrates through the isolation sleeve and the through hole of the bearing plate to be anchored in the hot-melt material, and the second end of the unbonded steel strand is limited and anchored on the anchoring plate through an anchoring nut;
step 1, preparing anchor cables;
derusting and polishing the unbonded steel strand, and smearing anti-corrosion grease on the surface for anti-rust treatment;
step 2, arranging a hot melting device;
arranging an insulated wire on the inner wall of the isolation sleeve, fixing the electric heating layer on the side wall of the circular truncated cone-shaped through hole on one side of the bearing plate, which is far away from the anchoring plate, and connecting the electric heating layer and the insulated wire;
step 3, installing an isolation sleeve and an anchoring end;
one end of the unbonded steel strand sequentially penetrates through the isolating sleeve and the opposite truncated cone-shaped through hole in the center of the bearing plate, and then the multi-strand hinge line at the end of the unbonded steel strand is decomposed, so that the multi-strand hinge line is scattered at the tail end to form a swelling state;
filling a hot-melt material in the height range of the electric heating layer, so that the upper part of the hot-melt material is bonded with the isolation sleeve, the lower part of the hot-melt material is completely wrapped with the expanded end part of the unbonded steel strand, and after the hot-melt material is solidified, installing a waterproof isolation cover at the lower part of the hot-melt material;
step 4, drilling an anchor hole, and placing a prestressed anchor cable;
drilling anchor holes, binding grouting pipes on the side faces of the manufactured anchor cables, placing the anchor cables into the drilled holes, grouting and fixing anchor plates;
step 5, prestress tension;
when the strength of the concrete reaches a set standard, pre-stressed tensioning is carried out on the unbonded steel strand, and an anchoring nut is installed for limiting anchoring;
6, recovering the anchor cable;
step 61, heating by solar energy;
arranging a solar photovoltaic power generation device on the anchor cable support surface, connecting the power generation device with an insulated wire, continuously heating the electric heating layer by utilizing solar power generation to melt the hot-melt material, and removing the anchoring force at the end part of the anchor cable;
step 62, anchor cable recovery;
and (4) dismantling the anchoring plate and the anchoring nut, and recycling the unbonded steel strand.
2. The method as claimed in claim 1, wherein the step 1 of preparing the anchor cable comprises removing rust and polishing the unbonded steel strand meeting the length requirement, and applying anti-corrosive grease on the surface for anti-rust treatment.
3. The method for manufacturing and using the hot-melt type recoverable anchor cable applied to the soil containing rock according to claim 1, wherein the anchor hole drilling of the step 4 further comprises measuring, paying-off and drilling positioning procedures.
4. The manufacturing and using method of the hot-melt type recoverable anchor cable applied to the soil containing rock as claimed in claim 1, wherein the grouting of step 4 comprises primary grouting and secondary grouting.
5. The method for manufacturing and using the hot-melt type recoverable anchor cable applied to the soil containing rock according to claim 1, wherein the setting standard in the step 5 is that the strength of concrete reaches 75%.
6. The method as claimed in claim 1, wherein the step 5 is performed by pre-stressing the unbonded steel strand with a jack.
7. The method for manufacturing and using the hot-melt type recoverable anchor cable applied to the soil containing rock as claimed in claim 1, wherein the step 6 is to recover the unbonded steel strand by using a winch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054804.4A CN114351701B (en) | 2022-01-18 | 2022-01-18 | Manufacturing and using method of hot-melt recyclable anchor cable applied to stone-containing soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054804.4A CN114351701B (en) | 2022-01-18 | 2022-01-18 | Manufacturing and using method of hot-melt recyclable anchor cable applied to stone-containing soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114351701A true CN114351701A (en) | 2022-04-15 |
| CN114351701B CN114351701B (en) | 2023-11-21 |
Family
ID=81090591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210054804.4A Active CN114351701B (en) | 2022-01-18 | 2022-01-18 | Manufacturing and using method of hot-melt recyclable anchor cable applied to stone-containing soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114351701B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452108A (en) * | 2013-01-18 | 2013-12-18 | 苏州市能工基础工程有限责任公司 | Anchor with tapered plug and cores convenient to disassemble and method for recycling cores of anchor |
| CN206396755U (en) * | 2016-12-29 | 2017-08-11 | 湖北工业大学 | A kind of dismountable ecological environment-friendly type anchor pole |
-
2022
- 2022-01-18 CN CN202210054804.4A patent/CN114351701B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452108A (en) * | 2013-01-18 | 2013-12-18 | 苏州市能工基础工程有限责任公司 | Anchor with tapered plug and cores convenient to disassemble and method for recycling cores of anchor |
| CN206396755U (en) * | 2016-12-29 | 2017-08-11 | 湖北工业大学 | A kind of dismountable ecological environment-friendly type anchor pole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114351701B (en) | 2023-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103806462B (en) | Power transmission circuit soil layer steel strand prestress expands anchor pole basis, the end | |
| US20090044482A1 (en) | Wind turbine installation comprising an apparatus for protection of anchor bolts and method of installation | |
| CN204982864U (en) | Insert steel reinforcement cage behind long spiral pore -forming guncreting | |
| CN107268425B (en) | Construction method of connecting structure for prefabricating and assembling bearing platform | |
| CN206942782U (en) | Hole tunnel inner supporting structure under a kind of overlapping shield section up and down | |
| WO2020151347A1 (en) | Prefabricated prestressed anchor structure | |
| CN112342911A (en) | Tensioning and anchoring device suitable for slow-bonding prestressed steel strand | |
| CN207079626U (en) | A kind of assembled underground pipe gallery | |
| CN114351701A (en) | Manufacturing and using method of hot-melt type recyclable anchor cable applied to stone-containing soil | |
| WO2020151348A1 (en) | Prefabricated prestressed anchor rod construction method | |
| CN216713018U (en) | Recoverable prestressed anchorage cable device of hot melt type solar energy power supply | |
| CN112854210A (en) | Recoverable anchorage device for prestressed steel strand and installation method thereof | |
| CN113216171A (en) | Prestress applying and anchoring device and method for prestressed anchor rod | |
| CN112267373A (en) | Partially unbonded grouting corrugated pipe prefabricated assembly connecting structure and construction method | |
| EP3671006B1 (en) | Modular prestressed concrete pressure tank | |
| CN112647497B (en) | In-hole prestress supporting member, prestress anchor rod and construction method | |
| CN206956536U (en) | A kind of attachment structure assembled for bearing platform prefabrication | |
| CN211773818U (en) | Prestressed concrete annular foundation and external prestressed reinforcement structure thereof | |
| CN214530646U (en) | Recoverable anchorage device for prestressed steel strand | |
| CN212001076U (en) | Hot melting recoverable anchor rod structure | |
| CN111139856B (en) | External prestressed tendon structure, prestressed concrete annular foundation and construction method thereof | |
| CN103103983B (en) | Recoverable combined type anchor device and construction method thereof | |
| CN209260775U (en) | Anchor cable can be recycled pressure dispersing type pouch and expand body anti-floating pile | |
| CN207828966U (en) | A kind of anchor cable structure that pressure anchor wire injecting cement paste compression strength can be improved | |
| CN207672612U (en) | A kind of prestressed anchor Cable Structure suitable for crane beam on rock wall for underground power house position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |