CN205171547U - Recoverable miniature stock wall - Google Patents

Recoverable miniature stock wall Download PDF

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Publication number
CN205171547U
CN205171547U CN201520985303.3U CN201520985303U CN205171547U CN 205171547 U CN205171547 U CN 205171547U CN 201520985303 U CN201520985303 U CN 201520985303U CN 205171547 U CN205171547 U CN 205171547U
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rod
anchor
miniature
anchor head
wall
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姚炳祥
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Abstract

The utility model discloses a recoverable miniature stock wall, including the concrete wall of arranging in the soil body, sliding soil mass and excavation slope surface of stablizing of building foundation side slope, its characterized in that buries miniature stock underground along stablizing the soil body, sliding soil mass and the drilling of concrete wall to miniature stock is the interior cementing thick liquid anchoring body of drilling at center, the stock including the inner anchor head that sets up of connecting, the body of rod is connected with the anchor head cooperation and cup joint the PVC sleeve of setting the body of rod outside, body of rod outer end is followed the connection of concrete wall and is set up the combination ground tackle. The utility model has the advantages of reasonable design, through setting up the recovery unit in the anchor head, can realize miniature stock wall after the function is strutted in the completion, the body of rod can effectively be thrown off with the anchor head, accomplishes the recovery to the body of rod, reduces pollution and influence to periphery underground environment, the miniature stock wall of this kind of structure, recovery process convenient and fast.

Description

Recyclable miniature anchor rod wall
Technical field
The utility model belongs to technical field of civil engineering, is specifically related to a kind of recyclable miniature anchor rod wall.
Background technology
Soil-nail wall support is that the one being applied to building foundation pit and stability of slope keeps off native technology, due to this process economics, reliable and construct quick, easy, in the pattern foundation pit supporting structure being widely used in construction work at present and side slope consolidation projects.But, soil nailings a large amount of in work progress is set in the soil body, due to the body of rod reinforcing bar of soil nailing and cement injection body bonding in aggregates, after completing protective function, reinforcing bar wherein cannot be pulled out, become permanent obstruction by Preserving time in underground, to day, the foundation construction of rear perimeter edge engineering leaves larger hidden danger and wastes a large amount of steel.So, need to develop a kind of green, environmental protection, callable novel construction technology.
Soil nailing Normal practice adopts total length cement grouting in hole, and centre arranges a reinforcing bar, and injecting cement paste and reinforcing bar are bonded to a cylindric entirety to bear resistance to plucking load.By setting soil nailing in advance in slight slope, when side slope is excavated downwards again, the soil body produces a small amount of displacement, and the interaction with regard to producing power between the soil body and soil nailing connects in aggregates, thus reaches the object of stability of slope.Soil nailing need just can be stressed after the soil body has distortion, and its Internal Forces is broad in the middle, small in ends along soil-nail parameter direction presents, and is tensile stress between body of rod reinforcing bar and cement injection body.Soil nailing is due to structure reason, and it cannot extract at the discarded rear body of rod from injecting cement paste.In order to reach the object of recovery, miniature anchor rod in miniature anchor rod wall adopts pressure type anchor rod, owing to being provided with isolation plastic bushing outside the body of rod, the body of rod and cement injection body non-caked, by anchor head retracting device effectively unclamping the body of rod after completing a protective function, the body of rod just can be drawn out of from cement injection body.The general length of miniature anchor rod is 6-8 rice, usually 15 meters are no more than, anchoring body diameter is generally 8-12cm, can by arranging the short and miniature anchor rod that diameter is less and outside concrete metope, soil body acting in conjunction, form the Gravity Retaining Wall that a stifled width is about miniature anchor rod length, thus reach the object of stability of slope.Miniature anchor rod wall not only possesses all advantages of soil nail wall, also can realize realizing active force to body of rod Shi Hanzhang, to reduce the displacement of slope soil.Micro pressure type rockbolt stress mechanism and soil nailing different, stablize in the soil body when uplift resistance after the body of rod is stressed is directly transferred to deep, far-end anchor head is made outwards to push up setting-out mud injecting cement paste to obtain uplift resistance, its body of rod Internal Forces is etc. large along miniature anchor rod length direction stress, uniformly, and cement injection body is compressive stress, be conducive to playing cement injection body compressive strength large, the characteristic that tensile strength is little.Due to the body of rod and cement injection body elongated non-caked, also can realize the recycling of the body of rod, be the construction technology of a kind of green, environmental protection, effectively can ensure the safety of neighboring buildings environment.
Domestic have the technology reclaimed about soil nailing quite few, disclosure of the invention CN101608450A discloses a kind of removable soil nailing, but it merely illustrates some ingredients of soil nail wall, the recyclable structure that soil nailing is not concrete, just broadly illustrate it is the soil nailing that can pull out, cannot realize from textural.
Both at home and abroad about the recovery process of tonnage anchor cable is more, as the DYWIDAG removable anchor of Germany, the SBMA of Britain reclaim anchor cable, the JCE of Japan reclaims anchor cable.Domesticly tear core male cone type anchor cable open as patent No. CN203174604U, patent No. CN202509496U presstressed reinforcing steel releasable anchor cable etc., these technology are generally applied in the pile-anchor retaining that can provide large-tonnage uplift resistance, anchor cable length is generally tens meters, recovery process is more complicated, and cost is relatively high, if be applied in stubby miniature anchor rod wall, due to cost and technological requirement higher, do not reach the object of cost-saving and quick construction.
Utility model content
For problems of the prior art, the utility model object is to provide a kind of convenient miniature anchor rod wall reclaimed, and takes following technical scheme for this reason.
Recyclable miniature anchor rod wall, comprise the concrete metope that the stable soil body of building foundation pit side slope, sliding mass and excavation slope surface is arranged, it is characterized in that burying miniature anchor rod underground along stablizing the boring of the soil body, sliding mass and concrete metope, grout injection anchoring body in boring centered by anchor pole, described anchor pole comprises the inner anchor head connecting setting, the body of rod be connected with anchor head and socket are arranged on the plastic bushing outside the body of rod, and body of rod outer end arranges combination ground tackle along the connection of concrete metope.
By above technical scheme, with machinery or the lower inclined hole manually setting a given diameter in the soil body on the slight slope work plane of the utility model in use first after excavation, recyclable for finished product miniature anchor rod is sent in hole in place together with Grouting Pipe.Return sizing process at the bottom of employing hole and cement paste is filled the excessive slurry to aperture.On outer side edges slope is domatic, does the steel bar concrete metope of a rigidity simultaneously, the body of rod with well is stayed a bit of in outer end through concrete metope.After cement injection body and concrete metope reach the intensity of 5-7MPa, start at outer end tension rod body, be locked on concrete metope with single hole combination ground tackle after the prestressing force of 20-30kN can being applied on request.And then the lower one deck earthwork of excavation, the lower recyclable miniature anchor rod together of construction, so repeatedly, until excavation is on earth.
Due to the length that recyclable miniature anchor rod tool is certain, the anchor head of miniature anchor rod is fixed in steady soil at a distance, when when outer end tension rod body, owing to being plastic bushing between the body of rod and injecting cement paste, the body of rod and injecting cement paste non-caked, during body of rod stretch-draw, pulling force is directly transferred on the anchor head of far-end, anchor head bottom loading plates extrusion pour slurry body also bears outside pulling force to obtain uplift resistance together with the injecting cement paste periphery soil body, thus outside sliding mass is fixed on the stable soil body, reach the object of stability of slope.Owing to being compressive stress between anchor head bottom loading plates and cement injection body in loading process, give full play to the mechanical property that cement injection body compressive strength is large, tensile strength is little.
By above technology, the utility model is after the excavation completing slight slope work plane, the C20 concrete first spraying one deck 3-5cm on excavation is domatic carries out pre-reinforcement to domatic, then the installation of pore-forming and miniature anchor rod is carried out, one deck reinforced mesh is put again on domatic, and then spray one deck C20 concrete to design thickness, the concrete metope part contacted with miniature anchor rod takes strengthening measure.Concrete metope also can adopt steel sheet pile or wee drilling stake etc. as required.
Described recyclable miniature anchor rod wall, is characterized in that anchor head inside is provided with retracting device, and described retracting device is the long nut be fixed in anchor head, is interconnected with the screw rod being fixed on rod end; The connection of anchor head and the body of rod is threaded connection, and long nut is fixed in anchor head seal, and one end of the body of rod is the screw rod of band left-hand thread.When factory is assembled, the body of rod is tightened in long nut and is connected with anchor head, then the plastic bushing outside the body of rod and anchor head are tightly connected, in case cement paste enters, on slight slope face after pore-forming, put into finished product miniature anchor rod and slip casting.After miniature anchor rod injecting cement paste and concrete metope reach 5-7MPa intensity, start the stretch-draw body of rod, because both are with being threaded togather, outside body of rod pulling force is passed on anchor head loaded plate and injecting cement paste, thus obtains uplift resistance.When needs reclaim, the body of rod and concrete metope are unclamped, in outer end, pipe tongs rotates clockwise the body of rod, is screwed out by the body of rod from the long nut in anchor head, and the body of rod is separated with anchor head, can realize the recovery of the body of rod.
Or retracting device is the extruded sleeve be arranged in anchor head, the body of rod is fixed on anchor head by extruded sleeve, by above technical scheme, the connection of anchor head and the body of rod is connected by the extruded sleeve be fixed in anchor head sealing device, during installation, the body of rod passed anchor head bottom loading plates and be fixed in anchor head with extruded sleeve, then the plastic bushing outside the body of rod and anchor head are tightly connected, in case cement paste enters.After miniature anchor rod has been constructed and reached 5-7MPa intensity, start the stretch-draw body of rod, because the body of rod and anchor head link together, outside body of rod pulling force has been passed on anchor head loaded plate and injecting cement paste, thus obtains uplift resistance.When needs reclaim, the body of rod and concrete metope are unclamped, use the jack tension body of rod in outer end, after jack tension power exceedes the limit bond stress of extruded sleeve and the body of rod, the body of rod is pulled out, and achieves the recovery of the body of rod.The bond stress of extruded sleeve can be designed during making in advance, make its work maximum load be less than the limit bond stress of extruded sleeve, in order to avoid destroy during work.
Or retracting device is the anchor ring of the band stopping device be arranged in anchor head, is connected with the body of rod by special intermediate plate.By above technical scheme, the connection of anchor head and the body of rod is the anchor ring by being arranged on the band stopping device in anchor head, adopts special intermediate plate to be clamped in anchor ring by the body of rod.After miniature anchor rod and outside concrete metope reach 5-7MPa intensity, start the stretch-draw body of rod, because the anchor ring in the body of rod and anchor head links together, in stretching process, anchor ring moves to anchor head bottom loading plates, spring in anchor ring is compressed, last anchor ring contacts with anchor head bottom loading plates, and the stretching force of the outside body of rod is passed on anchor head bottom loading plates and injecting cement paste, thus obtains uplift resistance.When needs reclaim, the prestressing force on the body of rod is laid down, then beats the body of rod in outer end, owing to having stopping device in anchor ring, anchor ring can only make single-way moving, and the intermediate plate tapering on anchor ring is comparatively large, when beaing the body of rod in outside, intermediate plate unclamps, and the body of rod is separated with anchor ring, reaches the object that the body of rod reclaims.
Pass through technique scheme, miniature anchor rod of the present utility model in the course of the work, the body of rod is fixed on anchor head, the reliable delivery of pulling force can be realized, after completing a protective function, miniature anchor rod wall goes out of use, at this moment, unclamp the connection between anchor head and the body of rod by the retracting device be arranged in anchor head, the body of rod can be drawn out of from the soil body.
Described recyclable miniature anchor rod wall, it is characterized in that miniature anchor rod diameter is 8-12cm, length is 6-15m.
By above technical scheme, the utility model adopts stubby minor diameter miniature anchor rod, by the connection with outside concrete metope, sliding mass is fixed on the stable soil body, thus form a stifled overall retaining wall, to resist the lateral earth pressure of side slope, reach the object of stable side slope.
Described recyclable miniature anchor rod wall, is characterized in that uniformly on described plastic bushing outer wall arranging plastic centering bracket.
By above technical scheme, the utility model arranges a plastic centering bracket every 1-2 rice spacing in a pre-installation outside plastic bushing.By the setting to medium-height trestle, can ensure that the body of rod is in the center of injecting cement paste all the time, be conducive to the transmission of power between the body of rod, anchor head, injecting cement paste, to give full play to the frictional force of injecting cement paste and the soil body.
The utility model reasonable in design, convenience, construction technology is simple.By anchor head, the body of rod, the setting of plastic bushing and concrete metope, can realize the later soil pressure of slope excavation and stablize soil body transmission to deep, forms the Gravity Retaining Wall of a stifled tool one fixed width, thus realizes the stable of side slope; That loaded plate bottom the anchor head of soil body deep outwards pushes up setting-out mud injecting cement paste and the periphery soil body when miniature anchor rod is stressed, whole rockbolt stress is even, and be compressive stress between anchor head and injecting cement paste, body of cement compressive strength can be given full play to large, the mechanical property that tensile strength is little; The body of rod can make the prior active force of the soil body to reduce the distortion of the soil body by Shi Hanzhang; Due to the body of rod and injecting cement paste non-caked, by being arranged on the retracting device in anchor head, miniature anchor rod can be realized after discarding, the body of rod can from rock, the soil body by pull out, thus complete the recovery of the body of rod, reduce the pollution on periphery underground environment and impact, the miniature anchor rod wall of this kind of structure, removal process is convenient and swift.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model in Bracing Process;
Fig. 2 is structural representation plastic bushing installed to medium-height trestle;
Fig. 3 is the structural representation that the utility model body of rod one end is connected with band extruded sleeve screw rod;
Fig. 4 is the utility model anchor head retracting device is bolted structural representation;
Fig. 5 is the utility model anchor head retracting device is the structural representation that extruded sleeve connects;
Fig. 6 is the anchor ring syndeton schematic diagram of band backspace mechanism in the utility model anchor head;
In figure: 1-stablizes the soil body, 2-sliding mass, 3-concrete metope, 4-cement paste anchoring body, 5-anchor head, the 6-body of rod, 7-plastic bushing, 8-combines ground tackle, 9-nut, 10-is with extruded sleeve screw rod, 11-extruded sleeve, 12-anchor ring, the special intermediate plate of 13-, 14-plastic centering bracket, 15-larynx hoop, 16-loaded plate, 17-Extruding spring, 18-spring.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail, and provides detailed description of the invention.
As shown in drawings, the recyclable miniature anchor rod wall of the utility model, comprise the concrete metope 3 that the stable soil body 1 of building foundation pit side slope, sliding mass 2 and excavation slope surface is arranged, miniature anchor rod is buried underground along stablizing the boring of the soil body 1, sliding mass 2 and concrete metope 3, grout injection anchoring body 4 in boring centered by anchor pole, anchor pole comprises the inner anchor head 5 connecting setting, the body of rod 6 be connected with anchor head 5 and be socketed the plastic bushing 7 be arranged on outside the body of rod 6, the body of rod 6 outer end connects along concrete metope 3 and arranges combination ground tackle 8.Wherein, anchor head 5 is a sealing device, for realizing the recovery of the body of rod 6, retracting device is provided with in anchor head 5 inside, retracting device specifically can set according to different situations, and retracting device can be the nut 9 be fixed in anchor head, is interconnected with the band extruded sleeve screw rod 10 be fixed on the body of rod 6 end; Or retracting device is the extruded sleeve 11 be arranged in anchor head 5, the body of rod 6 is fixed on anchor head 5 by extruded sleeve 11; Or retracting device is the special anchor ring 12 of the band stopping device be arranged in anchor head 5, is connected with the body of rod 6 by special intermediate plate 13.Anchor head 5 is connected with the body of rod 6 one end, and the body of rod 6 is wrapped up by plastic bushing 7, and plastic bushing 7 and anchor head 5 are tightly connected, and the body of rod 6 other end is fixed on concrete metope 3 with combination ground tackle 8 through after concrete metope 3.For realizing the centering effect of the body of rod 6, uniformly on plastic bushing 7 outer wall be provided with plastic centering bracket 14, plastic centering bracket 14 bayonet socket establishes tooth line, is fixed by larynx hoop 15 and plastic bushing 7.
The utility model in use, first excavate one section of dark earthwork of 1-1.5 rice, but on work plane, adopt roof-bolter to set the lower inclined hole of given diameter, long 0.5 meter of hole depth rate design hole depth, recyclable for finished product miniature anchor rod and Grouting Pipe are sent at the bottom of hole in place together, returns sizing process at the bottom of employing hole and cement paste is filled the excessive slurry to aperture.The body of rod 6 with well is stayed a bit of in outer end through concrete metope 3.After cement paste anchoring body 4 and concrete metope 3 reach the intensity of 5-7MPa, start at outer end tension rod body 6, be locked on concrete metope 3 with single hole combination ground tackle 8 after the prestressing force of 20-30kN can being applied on request.And then the lower one deck earthwork of excavation, the lower recyclable miniature anchor rod together of construction, so repeatedly, until excavation is on earth.
Due to the length that recyclable miniature anchor rod tool is certain, the anchor head 5 of miniature anchor rod and cement paste anchoring body 4 are located in the stable soil body 1 at a distance, when when outer end tension rod body 6, owing to being plastic bushing 7 between the body of rod 6 and cement paste anchoring body 4, the body of rod 6 is non-caked with cement paste anchoring body 4, when the body of rod 6 stretch-draw, pulling force is directly transferred on the anchor head 5 of far-end, anchor head 5 bottom loading plates 16 water of compaction mud anchoring body 4 also bears outside pulling force and obtains uplift resistance together with the cement paste anchoring body periphery soil body, is fixed on the stable soil body 1 by outside sliding mass 2.By arranging short and miniature anchor rod that diameter is less and outside concrete metope, soil body acting in conjunction, forming the Gravity Retaining Wall that a stifled width is about miniature anchor rod length, thus reaching the object of stability of slope.
After completing a protective function, miniature anchor rod wall goes out of use, and now can carry out the recovery operation of anchor pole.The recovery operation of anchor pole can be carried out in conjunction with the backfill earthwork of foundation ditch, when foundation ditch can backfill, first removes bottom one row's miniature anchor rod, backfills one deck earthwork after removing anchor pole, and anchor pole and the backfill earthwork are removed in layering from top to bottom.Ground tackle first strips with jack when removing by anchor pole, but carries out the unblock of anchor head, then reclaims the body of rod wherein.
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
See Fig. 1-4, when anchor pole makes, by body of rod 6(steel strand) one end puts Extruding spring 17, fills on the extruded sleeve in band extruded sleeve screw rod 10, be pressed on steel strand with hydraulic extrusion press by band extruded sleeve screw rod 10, band extruded sleeve screw rod 10 and nut 9 adopt left-hand thread.Nut 9 is fixed on the loaded plate 16 bottom anchor head 5, anchor head outside seal, screws in the body of rod 6 of band screw rod in the nut 9 be fixed in anchor head during installation, is filled with butter between the two, plastic bushing 7 one end and anchor head 5 are tightly connected, thus complete the making of a finished product anchor pole.When excavation of foundation pit, first dig out one section of work plane of given depth, but on work plane, spray one deck concrete surface layer carry out pre-reinforcement to domatic.The lower inclined hole in given aperture is set again with roof-bolter, long about 0.5 meter of hole depth rate miniature anchor rod on work plane.Fill at the bottom of hole by finished product miniature anchor rod together with Grouting Pipe, return sizing process at the bottom of employing hole and fill to aperture by neat slurry, slip casting mends slurry once after one hour again.The body of rod 6 stretches out a bit of outside concrete metope 3, then on work plane, helps to wire-tie mesh sheet, then sprays one deck concrete surface layer thereon, and carries out maintenance.In the concrete metope layer of miniature anchor rod contact position, reinforcing rib is set up in local, and sets up billet on metope.After jetting cement metope 3 and cement paste anchoring body semi-finals degree reach 5-7MPa, in outer end with the jack tension body of rod 6, be locked on concrete metope with ground tackle after applying the prestressing force of 20-30kN.Finishing one deck miniature anchor rod wall and after Prestressing reinforcing, one deck earthwork can being excavated downwards again, repeat above step, until excavation is to substrate.
After completing basement structure, miniature anchor rod wall goes out of use, and starts to backfill pit earthwork, now, can carry out the recovery operation of miniature anchor rod.First shed the prestressing force in bottom one miniature anchor rod and single hole combination ground tackle 8, steel strand are rotated clockwise with pipe tongs, turn to consistent with steel strand twisted direction, the body of rod 6 screws out from anchor head the most at last, the body of rod 6 out, then can backfill one deck earthwork by withdrawing from the soil body, then one miniature anchor rod above reclaiming, by that analogy, until backfilling of earthwork terminates.
Embodiment 2
See Fig. 1-2 and Fig. 5, the present embodiment is similar to Example 1, is extruded sleeve 11 unlike the retracting device in anchor head in removable miniature anchor rod.When miniature anchor rod makes by body of rod 6(steel strand) through the loaded plate 16 bottom anchor head, be fixed on the loaded plate 16 at the bottom of anchor head with extruded sleeve 11, then plastic bushing 7 and anchor head 5 are tightly connected.Because extruded sleeve 11 carries out special design and test in advance, its limit bond stress is greater than work maximum pull, ensures not destroy when anchor pole works.After completing basement structure, need backfill pit earthwork, miniature anchor rod wall goes out of use, and now, can carry out the recovery operation of miniature anchor rod.First shed the prestressing force in bottom one miniature anchor rod and single hole combination ground tackle 8, with the centre-hole jack stretch-draw body of rod 6, when stretching force is greater than the limit bond stress of extruded sleeve 11, steel strand is pulled out from anchor head, complete the recovery to the body of rod 6, then backfill one deck earthwork, then one miniature anchor rod above reclaiming, by that analogy, until backfilling of earthwork terminates.
Embodiment 3
See Fig. 1-2 and Fig. 6, the present embodiment is similar to Example 1, is the special anchor ring 12 being arranged on band stopping device in anchor head 5, is connected by special intermediate plate 13 with the body of rod 6 unlike removable miniature anchor rod retracting device.When miniature anchor rod makes, steel strand are passed the loaded plate 16 at the bottom of anchor head, apply a pretightning force first to time assembled special intermediate plate 13 and the body of rod 6, intermediate plate 13 inner tooth thread is made to nip in the body of rod 6, spring 18 now in anchor head is partially compressed, the screen resilience produced can hold out against special intermediate plate 13 and not get loose, to ensure the globality of miniature anchor rod in transport, installation process.When miniature anchor rod installation in position and after reaching curing requirements, can at outer end tension rod body 6, in the process of stretch-draw, spring 18 is recompressed slightly, the body of rod 6 maintains certain pulling force all the time, the body of rod 6 and special intermediate plate 13 are not got loose, until anchor ring 12 base and loaded plate 16 close contact, be locked in after reaching predetermined stretching force on concrete metope 3.When needs reclaim, pulling force on the most next row miniature anchor rod body of rod 6 of first removal, special intermediate plate 13 has the trend of unclamping, and then beats the body of rod 6 in outer end, owing to having stopping device in anchor head 5, anchor ring 12 can only make single-way moving, special intermediate plate 13 tapering on anchor ring 12 is comparatively large, and when beaing the body of rod 6 in outside, special intermediate plate 13 unclamps automatically, the body of rod 6 is separated with anchor ring 12, reaches the object that the body of rod 6 reclaims.Then one deck earthwork is backfilled, then one miniature anchor rod above reclaiming, by that analogy, until backfilling of earthwork terminates.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.

Claims (4)

1. recyclable miniature anchor rod wall, comprise the stable soil body (1) of building foundation pit side slope, the concrete metope (3) that sliding mass (2) and excavation slope surface are arranged, it is characterized in that along stablizing the soil body (1), miniature anchor rod is buried in sliding mass (2) and concrete metope (3) boring underground, grout injection anchoring body (4) in boring centered by anchor pole, described anchor pole comprises the inner anchor head (5) connecting setting, the body of rod (6) be connected with anchor head (5) and be socketed and be arranged on the body of rod (6) plastic bushing outward (7), the body of rod (6) outer end connects to arrange along concrete metope (3) combines ground tackle (8).
2. recyclable miniature anchor rod wall according to claim 1, it is characterized in that anchor head (5) inside is provided with retracting device, described retracting device is the long nut (9) be fixed in anchor head, is interconnected with the band extruded sleeve screw rod (10) being fixed on the body of rod (6) end; Or retracting device is the extruded sleeve (11) be arranged in anchor head, the body of rod (6) is fixed on anchor head by extruded sleeve; Or retracting device is the anchor ring (12) of the band stopping device be arranged in anchor head, is connected with the body of rod (6) by special intermediate plate (13).
3. recyclable miniature anchor rod wall according to claim 1, it is characterized in that miniature anchor rod diameter is 8-12cm, length is 6-15m.
4. recyclable miniature anchor rod wall according to claim 1, is characterized in that uniformly on described plastic bushing (7) outer wall arranging plastic centering bracket (14).
CN201520985303.3U 2015-12-02 2015-12-02 Recoverable miniature stock wall Active CN205171547U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106088103A (en) * 2016-06-22 2016-11-09 姚炳祥 A kind of recyclable U-shaped anchor cable of the main muscle of working cable and using method thereof
CN109914404A (en) * 2019-04-11 2019-06-21 深圳宏业基岩土科技股份有限公司 Recyclable pressure-bearing type anchor pole
CN112253198A (en) * 2020-09-25 2021-01-22 中铁隆昌铁路器材有限公司 Composite hollow anchor rod assembly and mounting method thereof
CN114411724A (en) * 2022-01-21 2022-04-29 浙江工业大学 Load-holding and shock-absorbing device for anchor head of recyclable anchor rod

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106088103A (en) * 2016-06-22 2016-11-09 姚炳祥 A kind of recyclable U-shaped anchor cable of the main muscle of working cable and using method thereof
CN109914404A (en) * 2019-04-11 2019-06-21 深圳宏业基岩土科技股份有限公司 Recyclable pressure-bearing type anchor pole
CN109914404B (en) * 2019-04-11 2020-11-24 深圳宏业基岩土科技股份有限公司 Recoverable pressure-bearing anchor rod
CN112253198A (en) * 2020-09-25 2021-01-22 中铁隆昌铁路器材有限公司 Composite hollow anchor rod assembly and mounting method thereof
CN112253198B (en) * 2020-09-25 2022-08-26 中铁隆昌铁路器材有限公司 Composite hollow anchor rod assembly and mounting method thereof
CN114411724A (en) * 2022-01-21 2022-04-29 浙江工业大学 Load-holding and shock-absorbing device for anchor head of recyclable anchor rod

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