CN102787597A - Multi-cable recyclable anchor cable head connecting device - Google Patents
Multi-cable recyclable anchor cable head connecting device Download PDFInfo
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- CN102787597A CN102787597A CN2012102170582A CN201210217058A CN102787597A CN 102787597 A CN102787597 A CN 102787597A CN 2012102170582 A CN2012102170582 A CN 2012102170582A CN 201210217058 A CN201210217058 A CN 201210217058A CN 102787597 A CN102787597 A CN 102787597A
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Abstract
The invention relates to a multi-cable recyclable anchor cable head connecting device, which overcomes the defects that in the existing inner support construction, the displacement is possibly generated between a foundation pit support and protection wall and two ends of a foundation pit support element, and the stability of the foundation pit support element and the safety of a foundation pit are influenced. The multi-cable recyclable anchor cable head connecting device comprises anchor cables and a support plate, wherein the support plate is positioned in a deep hole, a plurality of connecting screw nuts with one sealed ends are symmetrically and fixedly arranged on the support plate, one connecting screw nut is matched with one anchor cable, the end part of the anchor cable is fixedly provided with a connecting head, the end part of the connecting head is provided with external screw threads, the external threaded end is screwed with each connecting screw nut, a protecting pipe is sheathed outside each anchor cable, and one end of the protecting pipe in the soil layer is in sealed sheathing with each connecting screw nut. The connecting screw nuts are fixedly arranged on the support plate, and the same one support plate can be connected with a plurality of anchor cables, so the tensile resistance in the same deep hole can be enhanced, in addition, the number of the anchor cables is regulated according to the required tensile resistance, the separated processing and the combined welding fixation of the support plate and the connecting screw nuts are adopted, the processing and the connection are very convenient, and the cost is very low.
Description
Technical field
The present invention relates to a kind of deep foundation pit supporting structure, many anchor cables are set in especially a kind of same deep hole and can all anchor cables be reclaimed the recyclable anchor cable head of the many ropes linkage that does not produce underground obstacle.
Background technology
Along with speeding up of urban construction, urban land is nervous day by day, and building is also increasingly high, and all there is the deep foundation pit support engineering in building, almost every building, comprises that the underground construction also can use the deep foundation pit support engineering.
Deep foundation pit support factory is normal to adopt the interior construction method that supports to reach the outer anchor cable construction method of drawing.The interior construction method that supports passes through the foundation ditch supports support in the foundation ditch both sides; The two ends of foundation ditch support member generally all are that contact connects; The degree of depth according to foundation ditch in the interior support construction method can be provided with multiple tracks foundation ditch support member at the vertical position of foundation ditch, and the setting of foundation ditch support member makes soil excavation inconvenience in the foundation ditch, influences the underground engineering construction duration; And foundation ditch support member pressurized performance is good; If displacement laterally takes place in the both sides support wall, will influence the stability of foundation ditch support member, construction accident can take place when serious.Draw anchor cable construction to pass through to insert in the deep hole of soil layer anchor cable and slip casting forms tension member outward, therefore under the situation that execution conditions allow, draw anchor cable construction more and more welcome outward.But anchor cable slip casting forms on-dismountable structure, and construction finishes the back anchor cable and can stay in the peripheral soil layer of foundation ditch.It is higher that first anchor cable can not reclaim the cost of construction; The second residual anchor cable can cause obstacle to the construction around the foundation ditch; Deep-cut work such as foundation ditch on every side; Excavator is stopped by anchor cable can not work, road construction or municipal construction for another example, and residual anchor cable will influence and adopt non-excavation measure such as pipe jacking method to carry out the laying of pipeline.
Therefore using callable anchor cable structure to become the important selection factor in the building operations, also is a kind of foundation pit supporting project that government advocates energetically.
Patent Office of the People's Republic of China has announced a CN101694098B patent on April 27th, 2011; Name is called recyclable prestressed tendon for soft oil support and job practices thereof, comprising: anchor plate, steel strand, anchor end lock, bearing plate, and anchor plate is circular; The one of which side is all established several bearing plates, twisted wire hole along circumference; The center of circle is provided with grout hole, and anchor end lock is installed on the twisted wire hole of anchor plate one side for tubulose, and bearing plate is that paddle-like is flexibly connected by hinge and anchor plate; The hinge both sides are provided with the limiting plate affixed with anchor plate, and steel strand penetrate twisted wire hole and the anchor end lock crimping that is installed on the anchor plate.The recovery of this anchor cable needs the equipment that pull power is provided, and this device support is installed between cushion cap and the foundation ditch support plate, therefore needs certain installing space; If the space dwindles this equipment can't be installed, thereby influence the anchor cable recovery operation, pull slippage between the end of anchor cable and anchor end lock when anchor cable reclaims; Belong to the damage type dismounting; But the end of anchor cable reaches the anchor plate back side, and this back side and cement slurry are frozen into one, and reclaiming to anchor cable makes troubles.
Summary of the invention
The invention solves to support in existing in the construction and possibly be subjected to displacement between the foundation ditch support member two ends and pattern foundation pit supporting structure wall; Influence the defective of safety of stability and the foundation ditch of foundation ditch support member, the recyclable anchor cable head of a kind of many ropes linkage is provided, form the outer anchor cable structure that draws; Anchor cable is deep into soil layer inside; The exposed junction of anchor cable is fixedly connected with supporting circummure purlin, guarantees pattern foundation pit supporting structure wall stability, the safety that improves foundation ditch simultaneously.
The present invention draws anchor cable construction stream line and soil layer slip casting to be integral outside also having solved and having had now; Be not easy dismounting, become the obstacle of hiding in the soil layer, influence foundation ditch follow-up construction on every side; The recyclable anchor cable head of a kind of many ropes linkage is provided; The anchor cable outside with slip casting bonding, be in inner anchor cable one end of soil layer and adopt and be threaded and for convenience detach, can not produce residual obstacle.
Draw anchor cable to reclaim outside the present invention has also solved and had now and need use the equipment that can produce bigger active force and need a bigger space be used to settle this equipment; The space requirement of cushion cap outside was big after construction was accomplished; The defective of inconvenient operation provides the recyclable anchor cable head of a kind of many ropes linkage, need not to use equipment of the same race to produce the active force of pull anchor cable during dismounting; And do not need externally fixed support, therefore little to the outside space requirement of anchor cable.
The technical solution adopted for the present invention to solve the technical problems is: the recyclable anchor cable head of a kind of many ropes linkage; Comprise that an end is deep into the anchor cable that deep hole is interior, the other end is fixedly connected with pattern foundation pit supporting structure circummure purlin of soil layer; Also comprise the base plate that is in the deep hole; Be symmetrically fixed with the attaching nut of some end sealings on the base plate, an attaching nut joins an anchor cable; The end of anchor cable is fixed with connector, and the connector end is provided with external screw thread, and male end and attaching nut are spirally connected, and the outer cover of every anchor cable is equipped with protecting tube, and an end and the attaching nut of protecting tube in soil layer is the sealing socket.Anchor cable extend in the deep hole, and slip casting is solidified in the deep hole, guarantees that anchor cable can provide enough stretching resistances; Draw anchor cable structure outside this, along the depth profile of soil layer, the anchor cable at different depth place is independent of each other; Each anchor cable can both provide stretching resistance, even support wall deforms, the anchor cable at this place can also provide certain stretching resistance; Can not lose support fully, thereby guarantee the stability of pattern foundation pit supporting structure circummure purlin, guarantee foundation ditch safety; Fix several attaching nuts on the base plate, just can connect the anchor cable of equal number, the holding capacity of every anchor cable is generally 10 tons, calculates the holding capacity of gained according to a deep hole, thereby distributes the anchor cable of suitable quantity, such as 3 or 4 or 5; Base plate separates making with the attaching nut and combines mount again, is convenient to processing, also is convenient to regulate the quantity of the anchor cable of assembling in the same deep hole simultaneously; When the quantity of anchor cable reduces; Corresponding attaching nut can not be fixed on the base plate; Thereby saved attaching nut's consumption; Reduce cost, base plate forms a passage of a connected component board front and rear surfaces at this place simultaneously, and slurry solidifies the force intensity that receives that has improved base plate in passage; Base plate is a slabbed construction, processes more convenient; Attaching nut symmetry is fixing, defines the spacing between the attaching nut, also defines the spacing between the anchor cable, can fill slip casting between anchor cable and the anchor cable, guarantee on the base plate stressed evenly; The end of anchor cable is through connector and attaching nut's bolt, and the end of anchor cable is inconvenient directly to be connected with the attaching nut, and the also inconvenience bending of the end of anchor cable, just can keep the linearity of anchor cable, while also to make things convenient for through connector and cooperate with the attaching nut; Connector and anchor cable end fix, and after connector and attaching nut are spirally connected, rotate anchor cable; Anchor cable drives connector and rotates, and connector and attaching nut are separated, thereby anchor cable just can separate with the attaching nut anchor cable are extracted out in deep hole; The completion anchor cable reclaims, and can not form residual; Anchor cable reclaims the active force do not need axis direction, only needs rotatory force, therefore not be used between foundation ditch and the underground structure basis fixedly pull equipment; Little to space requirement; Thereby can reduce difficulty of construction, need not calculate the installation site of pull equipment, get final product according to normal construction slot milling; The anchor cable outside is nested with protecting tube, and this protecting tube is isolated with cement slurry and anchor cable, prevents that cement slurry from solidifying the anchor cable of can holding with a firm grip, reclaims to anchor cable and causes difficulty; The end and the attaching nut of protecting tube seal socket, prevent this end water leaking-in material-mud from protecting tube, influence the rotation of connector, also influence anchor cable and reclaim.
As preferably; Base plate is circular slabbed construction, and base plate is provided with the connecting hole of some symmetries, and the external diameter of attaching nut's blind end is greater than female end; Attaching nut's female end is passed connecting hole and fixing, and the diameter of blind end is greater than the diameter of connecting hole.Base plate is a slabbed construction, is directly to be processed by steel plate, goes out the connecting hole that is used to assemble the attaching nut on the base plate, processes fairly simplely, and it is convenient to draw materials also; The whole T-shaped shape of attaching nut, big footpath one end is a blind end, prevents that cement slurry from extending into the position that attaching nut and connector are spirally connected from this end; The diameter of blind end is greater than the diameter of connecting hole, and when the attaching nut penetrated in the connecting hole, blind end was as attaching nut's the end of placing restrictions on, and the stretching resistance of bearing anchor cable also is convenient to the attaching nut simultaneously and on base plate, is fixedly positioned; Attaching nut and base plate fix; General employing welding is fixing; The attaching nut rotates when preventing that attaching nut and connector are spirally connected; Also can connecting hole be processed into square hole or other non-circular shapes, attaching nut's miner diameter end also is processed into corresponding shape, prevents that the attaching nut from rotating in connecting hole.
As preferably, protecting tube is a pipe, and the internal diameter of pipe is greater than the external diameter of anchor cable, and the end of pipe is nested with on the attaching nut, and between the end of pipe and attaching nut, scribbles fluid sealant.Anchor cable is circular, and protecting tube also is a pipe, and leaves the gap between the inwall of pipe and the anchor cable, is convenient to anchor cable and moves, and is convenient to anchor cable when especially dismantling and twists and move axially; Connector and attaching nut's female end is spirally connected, and pipe and attaching nut seal socket attaching nut's female end is sealed.
As preferably, pipe is provided with the fixedly alignment pin of usefulness, and the end of alignment pin is inserted in attaching nut's the outer wall.Be convenient to pipe and attaching nut's assembling through alignment pin; Especially after pipe and the attaching nut sealing, alignment pin is set, just can prevents that the relative attaching nut of pipe from rotating; Prevent the sealing position is damaged, guarantee that protecting tube and base plate are put in the deep hole simultaneously can not seal the position seepage.
As preferably, protecting tube is a pvc pipe; The end of protecting tube is provided with internal thread, and attaching nut's female end appearance is provided with external screw thread, the internal thread bolt of this external screw thread and protecting tube.Pvc pipe is drawn materials conveniently, and enough intensity is arranged again, simultaneously the good airproof performance of pvc pipe self; Pvc pipe is embedded in the soil layer and can impact follow-up construction, also can not pollute soil, even also can not influenced environment by follow-up construction fragmentation; The pvc pipe end is provided with internal thread and attaching nut's external thread bolt connection, has improved PVC and attaching nut's connection stability, especially when putting into base plate and protecting tube in the deep hole simultaneously, keeps being tightly connected.
As preferably, the end that connector is connected with anchor cable is provided with circular hole at the axis place, and anchor cable is inserted in the circular hole and with connector and fixes.The anchor cable end is inserted in the circular hole, and it is fixing anchor cable to be put in order the circle welding in the end of circular hole, also can press from both sides flat circular hole and anchor cable formation clamping engagement.
As preferably, the sidewall of connector offers welding window, and welding window is communicated with the connector circular hole with outside, anchor cable be inserted in the circular hole back at the welding window place welding fixing.Welding window increases the constant intensity between anchor cable and the connector, prevents that anchor cable and connector are separated, and guarantees that connector can bear the enough pulling force of anchor cable.
As preferably, the appearance of connector is provided with two concave planes of symmetry, and the position of corresponding concave plane is provided with inside projection on the circular hole wall.The concave plane mainly provides the position that the connector clamping needs; Anchor cable is inserted in the circular hole, and externally under the effect of clamping force, two projections of symmetry press from both sides anchor cable flat; Simultaneously the end that is deep in the circular hole of anchor cable also keeps cylindric, thereby prevents that anchor cable and connector are to separating.
As preferably, the thickness of base plate is 1.5-3cm, and the length of attaching nut's female end is greater than the thickness of base plate, and attaching nut and base plate are fixedly the time, and attaching nut's female end reaches outside the base plate.
The invention has the beneficial effects as follows: fixing some attaching nuts on the base plate, same base plate can connect many anchor cables, therefore can increase the stretching resistance in the same deep hole, and can be according to the quantity of required stretching resistance size adjustment anchor cable; Base plate and attaching nut's separate machined, Combination Welding are fixed, processing be connected all more conveniently, cost is lower; Connector is threaded with the attaching nut, is convenient to dismounting, does not also need fixing large-scale dismounting equipment between cushion cap and support plate simultaneously, and is little to withdrawal space demand.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of actual sketch map that uses of the present invention;
Fig. 3 is the structural representation of a kind of base plate of the present invention;
Fig. 4 is a kind of attaching nut's of the present invention a structural representation;
Fig. 5 is the structural representation of a kind of connector of the present invention;
Fig. 6 is the another kind of attaching nut's of the present invention a structural representation;
Among the figure: 1, attaching nut, 2, base plate, 3, connecting hole, 4, alignment pin, 5, connector, 6, protecting tube; 7, anchor cable, 8, fluid sealant, 10, soldier pile, 11, deep hole, 12, cushion cap, 13, load transfering strip; 15, blind end, 16, locating hole, 17, female end, 18, internal thread, 19, the external screw thread link; 20, welding window, 21, circular hole, 22, the concave plane, 23, projection, 24, external screw thread.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment 1: the recyclable anchor cable head of a kind of many ropes linkage (referring to accompanying drawing 1); Comprise the anchor cable 7 that an end is deep in the deep hole 11 of soil layer, the other end is fixedly connected with the foundation ditch support plate; Be fixed on the base plate 2 of the circle of anchor cable end, the anchor cable outer cover is equipped with protecting tube 6.
Base plate (referring to accompanying drawing 3) is circular slabbed construction, and base plate is provided with the connecting hole 3 of four symmetries, is installed with the attaching nut 1 (referring to accompanying drawing 4) of one one end sealing in each connecting hole.The attaching nut is T-shaped, and attaching nut's axis place is provided with internal thread 18, and the external diameter of attaching nut's blind end 15 is greater than the external diameter of attaching nut's female end 17, and the appearance of female end is provided with locating hole 16.Female end matches with connecting hole, and attaching nut's female end is passed connecting hole, and blind end is against the back side of base plate and integrally welded at the periphery and the base plate of blind end.The thickness of base plate is 2cm, and the length of attaching nut's female end is greater than the thickness of base plate, so female end reaches outside the base plate.
An attaching nut joins an anchor cable, and the end of anchor cable is fixed with connector 5 (referring to accompanying drawing 5), connector position rod-like structure, and an end of connector is an external screw thread link 19, the other end of connector is provided with circular hole 21.The sidewall of connector offers square welding window 20, and welding window is communicated with the connector circular hole with outside.The sidewall of connector also is provided with two concave planes 22 of symmetry, 90 ° of the location intervals at the position at place, concave plane and welding window place, and the position of the corresponding concave plane of the inwall of circular hole is provided with to the protruding projection 23 of round hole axial.The end of anchor cable is inserted in the circular hole and the bottom of always pushing up circular hole, the mouth place of circular hole and the whole circle welding of anchor cable, and anchor cable that the welding window place exposes and the welding of the edge of welding window are fixing, and the place, concave plane clamps the anchor cable corresponding position through apparatus for fastening.The external screw thread link of connector and attaching nut's internal thread are spirally connected.
Protecting tube is circular pvc pipe, and the internal diameter of protecting tube is greater than the external diameter of anchor cable.The end of protecting tube directly is plugged into the outside of attaching nut's female end.Pipe is provided with alignment pin 4 radially, and the end of alignment pin is inserted in attaching nut's the locating hole of outer wall.Seal through fluid sealant 8 between the appearance of the end of protecting tube and attaching nut's female end.
The soldier pile 10 of foundation ditch is deep into underground (referring to accompanying drawing 2), and the exposed junction of anchor cable and soldier pile enclose purlin and fix, and forms the walking passage between the foundation platform 12 of soldier pile and foundation ditch inside, is overlapped with load transfering strip 13 between this passage place soldier pile and the cushion cap.The outside soil layer of supporting circummure purlin is being drilled with a plurality of deep holes 11 under oblique on the vertical position, the angle of inclination of deep hole is 15 degree.Fix the attaching nut on the base plate, the anchor cable end fixes connector, and connector and attaching nut fix; The outside of anchor cable is nested with protecting tube; Encapsulation process is carried out in the outside of protecting tube, then base plate is put in the deep hole together with anchor cable, then deep hole is carried out slip casting and handles; Reserve the not slip casting of the free section of anchor cable between outer face and the soldier pile, and fill corresponding soil property in this free section.Slip casting is filled the gap between the protecting tube simultaneously around protecting tube, and the distance between the general vertical adjacent anchor cable is 2m.
During dismounting, open the free section of anchor cable soil layer, then rotate anchor cable, anchor cable drives connector and rotates, and makes connector rotate with the attaching nut and separates, and then anchor cable is extracted out in deep hole.
Embodiment 2: the recyclable anchor cable head of a kind of many ropes linkage (referring to accompanying drawing 1 accompanying drawing 6), and comprise base plate 2, be fixed on the attaching nut 1 on the base plate, the attaching nut connects anchor cable 7 through connector 5, and the outside of anchor cable is nested with protecting tube 6.
The end of protecting tube is provided with internal thread, and attaching nut's female end 17 appearances are provided with external screw thread 24, the internal thread bolt of this external screw thread 24 and protecting tube.Protecting tube and attaching nut are fixing, and the back positions through alignment pin 4, and seals through fluid sealant 8 in the end of protecting tube.All the other structures are with reference to embodiment 1 (referring to accompanying drawing 2 accompanying drawings 3 accompanying drawings 5).
Above-described embodiment is two kinds of preferred version of the present invention, is not that the present invention is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (9)
1. the recyclable anchor cable head of rope more than kind linkage; Comprise that an end is deep into the anchor cable that deep hole is interior, the other end is fixedly connected with pattern foundation pit supporting structure circummure purlin of soil layer; It is characterized in that also comprising the base plate that is in the deep hole; Be symmetrically fixed with the attaching nut of some end sealings on the base plate, an attaching nut joins an anchor cable; The end of anchor cable is fixed with connector, and the connector end is provided with external screw thread, and male end and attaching nut are spirally connected, and the outer cover of every anchor cable is equipped with protecting tube, and an end and the attaching nut of protecting tube in soil layer is the sealing socket.
2. the recyclable anchor cable head of many ropes according to claim 1 linkage; It is characterized in that base plate is circular slabbed construction; Base plate is provided with the connecting hole of some symmetries; The external diameter of attaching nut's blind end is greater than female end, and attaching nut's female end is passed connecting hole and fixing, and the diameter of blind end is greater than the diameter of connecting hole.
3. the recyclable anchor cable head of many ropes according to claim 1 linkage; It is characterized in that protecting tube is a pipe; The internal diameter of pipe is greater than the external diameter of anchor cable, and the end of pipe is nested with on the attaching nut, and between the end of pipe and attaching nut, scribbles fluid sealant.
4. the recyclable anchor cable head of many ropes according to claim 3 linkage is characterized in that pipe is provided with the fixedly alignment pin of usefulness, and the end of alignment pin is inserted in attaching nut's the outer wall.
5. according to claim 1 or the recyclable anchor cable head of 2 or 3 or 4 described many ropes linkage, it is characterized in that protecting tube is a pvc pipe; The end of protecting tube is provided with internal thread, and attaching nut's female end appearance is provided with external screw thread, the internal thread bolt of this external screw thread and protecting tube.
6. according to claim 1 or the recyclable anchor cable head of 2 or 3 or 4 described many ropes linkage, it is characterized in that the end that connector is connected with anchor cable is provided with circular hole at the axis place, anchor cable is inserted in the circular hole and with connector and fixes.
7. the recyclable anchor cable head of many ropes according to claim 6 linkage is characterized in that the sidewall of connector offers welding window, and welding window connection connector circular hole welds fixing with outside at the welding window place after anchor cable is inserted in the circular hole.
8. the recyclable anchor cable head of many ropes according to claim 7 linkage is characterized in that the appearance of connector is provided with two concave planes of symmetry, and the position of corresponding concave plane is provided with inside projection on the circular hole wall.
9. according to claim 1 or the recyclable anchor cable head of 2 or 3 or 4 described many ropes linkage; The thickness that it is characterized in that base plate is 1.5-3cm; The length of attaching nut's female end is greater than the thickness of base plate; Attaching nut and base plate are fixedly the time, and attaching nut's female end reaches outside the base plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210217058.2A CN102787597B (en) | 2012-06-25 | 2012-06-25 | Multi-cable recyclable anchor cable head connecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210217058.2A CN102787597B (en) | 2012-06-25 | 2012-06-25 | Multi-cable recyclable anchor cable head connecting device |
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| CN102787597A true CN102787597A (en) | 2012-11-21 |
| CN102787597B CN102787597B (en) | 2014-11-05 |
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| CN201210217058.2A Active CN102787597B (en) | 2012-06-25 | 2012-06-25 | Multi-cable recyclable anchor cable head connecting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132518A (en) * | 2013-03-19 | 2013-06-05 | 苏州市能工基础工程有限责任公司 | Modified clamping piece type anchorage device |
| CN106321124A (en) * | 2016-11-20 | 2017-01-11 | 中国平煤神马能源化工集团有限责任公司 | Mine grouting anchor cable supporting method |
| CN113062314A (en) * | 2021-03-31 | 2021-07-02 | 安徽建筑大学 | Expandable recoverable anchor cable for civil engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584246A (en) * | 2004-06-04 | 2005-02-23 | 陆观宏 | Recovering anchorage in civil engineering |
| CN101126321A (en) * | 2006-08-18 | 2008-02-20 | 山东大学 | Expansion anchor rod |
| CN202644529U (en) * | 2012-06-25 | 2013-01-02 | 潘明亮 | Multi-cable recoverable anchor cable head connecting device |
-
2012
- 2012-06-25 CN CN201210217058.2A patent/CN102787597B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584246A (en) * | 2004-06-04 | 2005-02-23 | 陆观宏 | Recovering anchorage in civil engineering |
| CN101126321A (en) * | 2006-08-18 | 2008-02-20 | 山东大学 | Expansion anchor rod |
| CN202644529U (en) * | 2012-06-25 | 2013-01-02 | 潘明亮 | Multi-cable recoverable anchor cable head connecting device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132518A (en) * | 2013-03-19 | 2013-06-05 | 苏州市能工基础工程有限责任公司 | Modified clamping piece type anchorage device |
| CN103132518B (en) * | 2013-03-19 | 2015-05-27 | 苏州市能工基础工程有限责任公司 | Modified clamping piece type anchorage device |
| CN106321124A (en) * | 2016-11-20 | 2017-01-11 | 中国平煤神马能源化工集团有限责任公司 | Mine grouting anchor cable supporting method |
| CN106321124B (en) * | 2016-11-20 | 2019-06-21 | 中国平煤神马能源化工集团有限责任公司 | Mining grouting cable anchor bundle branch maintaining method |
| CN113062314A (en) * | 2021-03-31 | 2021-07-02 | 安徽建筑大学 | Expandable recoverable anchor cable for civil engineering |
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|---|---|
| CN102787597B (en) | 2014-11-05 |
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