CN105464111B - Root keyed anchor cable, the method to anchor hole slip casting - Google Patents
Root keyed anchor cable, the method to anchor hole slip casting Download PDFInfo
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- CN105464111B CN105464111B CN201510973545.5A CN201510973545A CN105464111B CN 105464111 B CN105464111 B CN 105464111B CN 201510973545 A CN201510973545 A CN 201510973545A CN 105464111 B CN105464111 B CN 105464111B
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- bearing mechanism
- hole
- anchor
- grouting pipe
- anchor cable
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of keyed anchor cable, the method to anchor hole slip casting.The anchor cable includes anchor station, anchorage, multiple bearing mechanisms, multigroup muscle body, anchorage is fixedly connected on anchor station, form outer anchoring section, after multiple bearing mechanisms are connected with multigroup muscle body respectively, the fixing end of muscle body is connected in parallel to outer anchoring section respectively again, the hanging of muscle body sets end and is used to hang to set bearing mechanism, multiple bearing mechanisms are radially provided with multiple root keys that can extend into anchor hole Rock And Soil, the center of multiple bearing mechanisms offers through hole, the center of circle of each through hole is on same straight line, and the diameter of each through hole is identical, perforating is reserved with outer anchoring section, the center of circle of perforating and each through hole is on same straight line, and the diameter of perforating is identical with the diameter of each through hole, perforating, each through hole passes through for Grouting Pipe, Grouting Pipe and bearing mechanism, sliding pair is formed between outer anchoring section.The grouting method is based on the anchor cable and realized.The anchor cable and method can effectively improve the anchoring effect of anchor cable.
Description
Technical field
The present invention relates to the engineering device technique field of anchor structure component or retaining wall, more particularly to a kind of root keyed anchor cable
And the method to anchor hole slip casting of application root keyed anchor cable realization.
Background technology
Anchor cable:In suspension bridge it is lateral opening main push-towing rope is anchored when, main push-towing rope is divided into many stock steel beams and distinguishes anchors in anchor ingot
Interior, these steel beams are just referred to as anchor cable.Anchor cable is to be fixed on by outer end domatic, and the other end is anchored at the stabilization within sliding surface
The prestress wire in slope sliding face is passed through in rock mass, sliding resistance is directly produced on sliding surface, increases antiskid frictional resistance,
Structural plane is in impaction state, to improve the globality of slope rock mass, so as to fundamentally improve the mechanical property of rock mass, have
The displacement of effect ground control rock mass, promotees to stabilize it, and reaches regulation concordant, landslide and crag, the purpose for stone of endangering.
At present, for injecting cement paste compression strength it is less high when, to prevent injecting cement paste to be crushed, more pressure is used in engineering
Power dispersed anchor cable.The power of pressure anchor wire is exported from foot of hole, and cement mortar post bears the pressure from bearing plate.
The more pressure dispersing anchorage cable of engineer applied, still, the force-mechanism of anchor cable of the prior art is substantially similar,
By setting multistage carrying system, the anchor cable muscle body of different length is anchored on bearing plate, reaches scattered injecting cement paste stress
Purpose.
The drag of these anchor cables is undertaken by injecting cement paste, and decentralized is i.e. by anchor cable power along anchoring force direction by injecting cement paste stress
It is dispersed to each longitudinal sections.This intensity requirement to injecting cement paste is higher, and needs to increase anchoring section diameter and length to increase anchor
Gu the effect of power.The way of simple increase anchoring section diameter and length is so needed, it is necessary to consume substantial amounts of concrete, construction
Difficulty is larger, not economical enough.
The content of the invention
In view of this, the present invention, which provides one kind, can increase effective bearing area, meanwhile, the root key of lifting anchoring section resistance
Formula anchor cable and the anchor hole grouting method of application root keyed anchor cable realization, thus more suitable for practicality.
In order to reach above-mentioned first purpose, provided by the invention keyed anchor cable mainly provides following technical scheme:
Provided by the invention keyed anchor cable includes anchor station, anchorage, multiple bearing mechanisms, multigroup muscle body,
The anchorage is fixedly connected on the anchor station, forms outer anchoring section,
After the multiple bearing mechanism is connected with multigroup muscle body respectively, the fixing end of the muscle body is connected in parallel to respectively again
The outer anchoring section, the hanging of the muscle body set end and are used to hang to set the bearing mechanism, and the multiple bearing mechanism is radially
Provided with multiple root keys that can extend into anchor hole Rock And Soil,
The center of the multiple bearing mechanism offers through hole, and the center of circle of each through hole is on same straight line, and
The diameter of each through hole is identical,
Perforating is reserved with the outer anchoring section, the center of circle of the perforating and each through hole is in same straight line
On, and the diameter of the perforating is identical with the diameter of each through hole,
The perforating, each through hole pass through for Grouting Pipe,
Sliding pair is formed between the Grouting Pipe and the bearing mechanism, outer anchoring section.
First purpose of the present invention and solve its technical problem and can also be applied to the following technical measures to achieve further.
Preferably, the bearing mechanism includes supporting body, root key, tapered plug,
The through hole is opened at the tapered plug center,
The supporting body center offers taper hole,
Using the inwall of the taper hole as starting point, keyhole, the quantity of the keyhole and institute are radially provided with along the supporting body
It is identical to state the quantity of root key,
Sliding pair is formed between described key and the keyhole,
The outer wall of the tapered plug is adapted with the taper hole,
Described key length and the radius of anchor hole described in the radius sum > of the tapered plug corresponding position,
The radius of anchor hole described in described key length <;
When the tapered plug is stuffed into the taper hole, the head of described key is extend into anchor hole Rock And Soil.
Preferably, the base diameter of taper hole described in the top diameter > of the tapered plug, when the tapered plug is stuffed into institute
When stating taper hole, overlapped between the tapered plug and the keyhole.
Preferably, the top diameter of the top diameter of the tapered plug >=taper hole, when the tapered plug is stuffed into institute
When stating taper hole, overlapped between the tapered plug and the keyhole.
Preferably, the height of the height of the tapered plug >=taper hole.
Preferably, the head of described key has tip.
Preferably, the tail shape of described key is adapted with the shape of the tapered plug outer wall so that, described key
Face is formed between afterbody and the outer wall of the tapered plug to contact.
Preferably, described key with the supporting body wall contacts at be fixedly connected with baffle part.
Preferably, the baffle part is made up of flexible material.
Preferably, the assemble method of the bearing mechanism comprises the following steps:
Described key is inserted in the keyhole so that the head of described key towards the anchor hole wall, described key
Afterbody is towards the taper hole;
The tapered plug is filled in the taper hole, the tapered plug from the less one end of its diameter and occupies the appearance of the taper hole
Between being empty, force described key further to be drive on boldly into Rock And Soil, extend into anchor hole Rock And Soil.
Preferably, the bearing mechanism be provided with it is multiple hang apertured, the hanging of the muscle body sets end and hangs apertured through described.
Preferably, described keyed anchor cable also includes Extrusion anchor ground tackle, the muscle body stays in the bottom of the bearing mechanism
There is remaining part, the Extrusion anchor ground tackle is fixedly connected on the remaining part, and the external diameter of the Extrusion anchor ground tackle is more than the diameter for hanging apertured.
Preferably, the Extrusion anchor ground tackle by welding, or, buckle is fixedly connected on the remaining part.
Preferably, the bottom of the anchor station is in inclined-plane.
Preferably, the multiple bearing mechanism be arranged in parallel.
Preferably, the multiple apertured of hanging is distributed on a circumference of the bearing mechanism.
Preferably, described keyed anchor cable also includes position indicating device, the position indicating device is used to indicate institute
State position of the bearing mechanism in anchor hole.
Preferably, the position indicating device is guiding cap, the guiding cap is fixedly connected on lowermost pressure-bearing machine
The bottom of structure.
Preferably, the tip of anchor hole is in the first taper, the top of the guiding cap is in second of taper, described first
Kind taper is corresponding with second of taper.
Preferably, the position indicating device is the first displacement transducer, first displacement transducer is used to detect
Displacement data of the bearing mechanism in anchor hole.
Preferably, described keyed anchor cable also includes the first remote interface, terminal device, first remote interface is set
It is placed on first displacement transducer, the displacement that first displacement transducer will be detected by first remote interface
Data transfer is several in PC, single-chip microcomputer, handheld terminal to the terminal device, the terminal device.
Preferably, described keyed anchor cable also includes warning device, the warning device is used to indicate the pressure-bearing machine
Structure whether in place, when the bearing mechanism in place when, the warning device sends alarm signal.
Preferably, described keyed anchor cable also includes second displacement sensor, the second displacement sensor is used to refer to
Show displacement data of the grout outlet of the Grouting Pipe in anchor hole.
Preferably, described keyed anchor cable also includes the second remote interface, terminal device, second remote interface is set
It is placed on the second displacement sensor, the displacement that the second displacement sensor will be detected by second remote interface
Data transfer is several in PC, single-chip microcomputer, handheld terminal to the terminal device, the terminal device.
Preferably, described keyed anchor cable also includes Grouting Pipe closed tube dolly, the pulp inlet of the Grouting Pipe, which is fixed, to be connected
It is connected on the closed tube dolly, during the slip casting into anchor hole, the closed tube dolly is used to make the Grouting Pipe closed tube, makes
The grout outlet for obtaining the Grouting Pipe is elevated.
Preferably, described keyed anchor cable also includes closed tube dolly speed setting device, the small vehicle speed of closed tube is set
Determine the speed of service that device is used to set the closed tube dolly, the operational formula of the speed of service of the closed tube dolly isWherein, vCarThe speed of service of-closed tube dolly, vEnterThe flow velocity of slurry, S in-Grouting PipePipe- Grouting Pipe is cut
Area, SHoleThe sectional area of-anchor hole.
Preferably, described keyed anchor cable also includes Flow speed measurer, the Flow speed measurer is used to measure Grouting Pipe
The real-time flow rate data of middle slurry, according to the real-time flow rate data, it is small that the speed setting device sets the closed tube in real time
The speed of service of car.
Preferably, the slurry exports from a slurry feeding device, the flow velocity of slurry passes through the defeated slurry in the Grouting Pipe
Device is set, and according to the flow velocity of the slurry of the setting, the speed setting device sets the speed of service of the closed tube dolly.
In order to reach above-mentioned second purpose, the method provided by the invention to anchor hole slip casting mainly provides following technical side
Case:
Method provided by the invention to anchor hole slip casting is based on provided by the invention keyed anchor cable and realized, the multiple
Bearing mechanism includes the first bearing mechanism, the second bearing mechanism, the 3rd bearing mechanism ... N bearing mechanisms successively from the bottom to top,
The method to anchor hole slip casting comprises the following steps:
First bearing mechanism, the second bearing mechanism, the 3rd bearing mechanism ... N bearing mechanisms are assembled successively, make note
The grout outlet of slurry pipe is in the bottom of first bearing mechanism;
Injecting cement paste is injected from Grouting Pipe to the first bearing mechanism bottom, during slip casting, gradual hoisting grouting pipe goes out
Mouth is starched, until the first bearing mechanism bottom is full of injecting cement paste, the grout outlet of Grouting Pipe is promoted to the first bearing mechanism, second held
Between press mechanism;
Continue to inject injecting cement paste between the first bearing mechanism, the second bearing mechanism from Grouting Pipe, during slip casting, by
The gradually grout outlet of hoisting grouting pipe, until being full of injecting cement paste, the pulp of Grouting Pipe between the first bearing mechanism, the second bearing mechanism
Mouth is promoted between the second bearing mechanism, the 3rd bearing mechanism;
Continue to inject injecting cement paste between the second bearing mechanism, the 3rd bearing mechanism from Grouting Pipe, during slip casting, by
The gradually grout outlet of hoisting grouting pipe, until being full of injecting cement paste, the pulp of Grouting Pipe between the second bearing mechanism, the 3rd bearing mechanism
Mouth is promoted on the 3rd bearing mechanism;
So repeat, until filling slurry, the grout outlet of Grouting Pipe between the N-1 bearing mechanisms, N bearing mechanisms
It is promoted on N bearing mechanisms;
Continue to inject injecting cement paste on N bearing mechanisms from Grouting Pipe, during slip casting, gradual hoisting grouting pipe
Grout outlet, until grout outlet of the anchoring section of anchor hole full of injecting cement paste Grouting Pipe is promoted to the free segment of anchor hole;
The grout outlet of Grouting Pipe is continued to lift up, until Grouting Pipe is removed from anchor station, anchorage, completes the slip casting into anchor hole
Process.
Second object of the present invention and solve its technical problem and can also be applied to the following technical measures to achieve further.
Preferably, the Grouting Pipe is in first bearing mechanism, the second bearing mechanism, the 3rd bearing mechanism ...
What N bearing mechanisms were installed after all assembling,
The Grouting Pipe inserts the first bearing mechanism, the second bearing mechanism, the 3rd bearing mechanism ... N bearing mechanisms center
First through hole, the second through hole, in third through-hole ... N through holes, the grout outlet of Grouting Pipe is in the bottom of the first bearing mechanism
Portion.
Preferably, the Grouting Pipe is installed after first bearing mechanism is completed, in then group successively
During filling the second bearing mechanism, the 3rd bearing mechanism ... N bearing mechanisms, the grout outlet of the Grouting Pipe is all the time in the
The bottom of one bearing mechanism.
Provided by the invention keyed anchor cable and being completed to anchor hole grouting method for realizing using the root keyed anchor cable
Into anchor hole after the process of slip casting, due to radially can extend into anchor hole Rock And Soil provided with multiple on multiple bearing mechanisms
In root key, the actual area beyond its upper surface of effective bearing area of bearing mechanism, meanwhile, the ground in root key and anchor hole
Body also has interaction force, therefore, it is possible to lift anchoring section resistance, and then, using anchor cable provided by the invention and slip casting side
Method is completed to after the engineering of anchor hole slip casting, can effectively improve the anchoring effect of anchor cable.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings:
Fig. 1 is the general construction schematic diagram for the root keyed anchor cable that the embodiment of the present invention one provides;
When Fig. 2 a are that the root keyed anchor cable that the embodiment of the present invention one provides installs Grouting Pipe using first way, installing the
Structural representation during one load carrier;
When Fig. 2 b are that the root keyed anchor cable that the embodiment of the present invention one provides installs Grouting Pipe using the second way, installing the
Structural representation during one load carrier;
When Fig. 3 a are that the root keyed anchor cable that the embodiment of the present invention one provides installs Grouting Pipe using first way, first holds
Structural representation when mounted mechanism installing finishes;
When Fig. 3 b are that the root keyed anchor cable that the embodiment of the present invention one provides installs Grouting Pipe using the second way, first holds
Structural representation when mounted mechanism installing finishes;
When Fig. 4 a are that the root keyed anchor cable that the embodiment of the present invention one provides installs Grouting Pipe using first way, second holds
Structural representation when mounted mechanism installing finishes;
When Fig. 4 b are that the root keyed anchor cable that the embodiment of the present invention one provides installs Grouting Pipe using the second way, second holds
Structural representation when press mechanism installing finishes;
When Fig. 5 a are that the root keyed anchor cable that the embodiment of the present invention one provides installs Grouting Pipe using first way, the 3rd holds
Structural representation when mounted mechanism installing finishes;
When Fig. 5 b are that the root keyed anchor cable that the embodiment of the present invention one provides installs Grouting Pipe using the second way, the 3rd holds
Structural representation when mounted mechanism installing finishes;
Fig. 6 is the root keyed anchor cable of the offer of the embodiment of the present invention one when the grout outlet of Grouting Pipe is in the first bearing mechanism bottom
Portion, and structural representation when the first bearing mechanism bottom is full of injecting cement paste;
Fig. 7 be the embodiment of the present invention one provide root keyed anchor cable when Grouting Pipe grout outlet be in the first bearing mechanism,
Structural representation during injecting cement paste is also filled between second bearing mechanism, and between the first bearing mechanism, the second bearing mechanism;
Fig. 8 be the embodiment of the present invention one provide root keyed anchor cable when Grouting Pipe grout outlet be in the second bearing mechanism,
Structural representation during injecting cement paste is also filled between 3rd bearing mechanism, and between the second bearing mechanism, the 3rd bearing mechanism;
Fig. 9 be the embodiment of the present invention one provide root keyed anchor cable when Grouting Pipe grout outlet be in the 3rd bearing mechanism it
On, and the structural representation when anchoring section of anchor hole is integrally full of injecting cement paste;
Figure 10 is that the root keyed anchor cable that the embodiment of the present invention one provides is removed from anchor station, anchorage when Grouting Pipe, complete to
Structural representation in anchor hole after the process of slip casting;
Figure 11 is the matching relationship signal of the first tapered plug of root keyed anchor cable that the embodiment of the present invention one provides and supporting body
Figure;
Figure 12 is the matching relationship signal of second of tapered plug of root keyed anchor cable that the embodiment of the present invention one provides and supporting body
Figure;
Figure 13 is the matching relationship signal of the third tapered plug of root keyed anchor cable that the embodiment of the present invention one provides and supporting body
Figure;
Figure 14 is the matching relationship signal of the 4th kind of tapered plug of root keyed anchor cable that the embodiment of the present invention one provides and supporting body
Figure;
Figure 15 is the matching relationship signal of the 5th kind of tapered plug of root keyed anchor cable that the embodiment of the present invention one provides and supporting body
Figure;
Figure 16 is the matching relationship signal of the 5th kind of tapered plug of root keyed anchor cable that the embodiment of the present invention one provides and supporting body
Figure (wherein, root key afterbody is cylindric);
Figure 17 is the matching relationship signal of the 5th kind of tapered plug of root keyed anchor cable that the embodiment of the present invention one provides and supporting body
Figure (wherein, root key with supporting body wall contacts at be fixedly connected with baffle part);
The step of Figure 18 is the assemble method for the bearing mechanism applied in the root keyed anchor cable that the embodiment of the present invention one provides
Flow chart;
Figure 19 is the step flow chart for the method to anchor hole slip casting that the embodiment of the present invention two provides.
Embodiment
The present invention is to solve the problems, such as that prior art is present, there is provided one kind can increase effective bearing area, meanwhile, carry
The root keyed anchor cable of anchoring section resistance and the anchor hole grouting method of application root keyed anchor cable realization are risen, thus more suitable for reality
With.
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to proposed by the present invention keyed anchor cable, the method to anchor hole slip casting, its specific embodiment party
Formula, structure, feature and its effect, describe in detail as after.In the following description, different " embodiment " or " embodiment " refers to
It is not necessarily the same embodiment.In addition, special characteristic, structure or the feature in one or three embodiment can be by any suitable shapes
Formula combines.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, expression may have three kinds of passes
System, for example, A and/or B, is specifically interpreted as:A and B can be included simultaneously, can be with individualism A, can also individualism
B, can possess above-mentioned three kinds of any situations.
For convenience of description, in provided in an embodiment of the present invention keyed anchor cable, the quantity of bearing mechanism press mechanism is 3
Individual, muscle body is also 3 groups, wherein, during from label 1, table is bearing mechanism, and the first bearing mechanism, label are represented from label 1a
1b represents the second bearing mechanism, and label 1c represents the 3rd bearing mechanism;By that analogy.
Embodiment one
Referring to accompanying drawing 1~10, the root keyed anchor cable that the embodiment of the present invention one provides is held including anchor station 20, anchorage 22, three
Press mechanism 1a, 1b, 1c, three groups of muscle body 15a, 15b, 15c, anchorage 22 are fixedly connected on anchor station 20, form outer anchoring section, three are held
After press mechanism 1a, 1b, 1c connect with three groups of muscle bodies 15a, 15b, 15c respectively, muscle body 15a, 15b, 15c fixing end are distinguished simultaneously again
It is coupled to outer anchoring section, the hanging of muscle body 15a, 15b, 15c, which sets end and be used to hang, sets bearing mechanism 1a, 1b, 1c, each bearing mechanism 1a,
1b, 1c are radially provided with multiple root key 3a, 3b, 3c that can extend into anchor hole Rock And Soil, three bearing mechanism 1a,
1b, 1c center offer through hole 14a, 14b (non-label in figure), 14c (non-label in figure), and each through hole 14a, 14b are (in figure
Non- label), 14c (non-label in the figure) center of circle be on same straight line, and each through hole 14a, 14b (non-label in figure), 14c
The diameter of (non-label in figure) is identical, and perforating is reserved with outer anchoring section, and perforating (is not marked with each through hole 14a, 14b in figure
Number), 14c (non-label in the figure) center of circle be on same straight line, and the diameter of perforating and each through hole 14a, 14b are (in figure not
Label), 14c (non-label in figure) diameter it is identical, perforating, each through hole 14a, 14b (non-label in figure), 14c (are not marked in figure
Number) passed through for Grouting Pipe, form sliding pair between Grouting Pipe and bearing mechanism 1a, 1b, 1c, outer anchoring section.In accompanying drawing 1~10
In, part A represents free segment, and part B represents anchoring section.
Provided by the invention keyed anchor cable is due to being radially provided with multiple energy on multiple bearing mechanism 1a, 1b, 1c
Root key 3a, 3b, 3c in the deep enough Rock And Soil to anchor hole 19, bearing mechanism 1a, 1b, 1c effective bearing area are actual to exceed it
The area of upper surface, meanwhile, the Rock And Soil in root key 3a, 3b, 3c and anchor hole 19 also has interaction force, therefore, it is possible to carry
Anchoring section B resistances are risen, and then, provided by the invention keyed anchor cable can effectively improve the anchoring effect of anchor cable.
Wherein, supporting body 2, root key 3, tapered plug 10 are included referring to accompanying drawing 1~17, bearing mechanism, through hole is opened in tapered plug 10
At center, the center of supporting body 2 offers taper hole 7, and using the inwall of taper hole 7 as starting point, keyhole, key are radially provided with along supporting body 2
The quantity in hole is identical with the quantity of root key 3, and sliding pair is formed between root key 3 and keyhole, and outer wall and the phase of taper hole 7 of tapered plug 10 are fitted
Match somebody with somebody.The length of root key 3 and the radius of the radius sum > anchor holes 19 of the corresponding position of tapered plug 10, so as to ensure when tapered plug 10 is filled in
Enter to taper hole 7, the head of root key 3 protrudes from the outer wall of supporting body 2;The radiuses of the length < anchor holes 19 of root key 3 is, it is necessary to by pressure-bearing
When mechanism is sent in anchor hole 19, during feeding, the outermost circular diameter of each key 3 is necessary≤and the diameter of anchor hole could protect
Bearing mechanism is accessible in anchor hole 19 passes through for card;When tapered plug 10 is stuffed into taper hole 7, the head of root key 3 extend into anchor hole
In 19 Rock And Soils so that root key 3 can be drive on boldly in the Rock And Soil of anchor hole 19, produce interaction force.
Referring to accompanying drawing 11, the base diameter of tapered plug 10-1 top diameter > taper holes 7, so as to avoid tapered plug 10-1 from taper hole
In spill, when tapered plug 10-1 is stuffed into taper hole 7, overlapped between tapered plug 10-1 lowermost end and keyhole 7, so as to ensure to bore
Operating on centrifugal force can be applied to root key 3 by filling in 10-1, root key 3 is drive on boldly in the Rock And Soil of anchor hole 19.
Referring to accompanying drawing 12, the base diameter of tapered plug 10-2 top diameter > taper holes 7, so as to avoid tapered plug 10-2 from taper hole
In spill, when tapered plug 10-2 is stuffed into taper hole 7, overlapped between tapered plug 10-2 top and keyhole 7, so as to ensure to bore
Operating on centrifugal force can be applied to root key 3 by filling in 10-2, root key 3 is drive on boldly in the Rock And Soil of anchor hole 19.
Referring to accompanying drawing 13, the top diameter of tapered plug 10-3 top diameter >=taper hole 7, when tapered plug 10-3 is stuffed into taper hole
When, overlapped between tapered plug 10-3 lowermost end and keyhole, so as to ensure that tapered plug 10-3 can apply centrifugal action to root key 3
Power, root key 3 is set to drive on boldly in the Rock And Soil of anchor hole 19.
Referring to accompanying drawing 14, the top diameter of tapered plug 10-4 top diameter > taper holes 7, when tapered plug 10-4 is stuffed into taper hole
When 7, tapered plug 10-4 covers all keyhole, so as to ensure that tapered plug 10-4 can apply operating on centrifugal force to root key 3, makes root key 3
Drive on boldly in the Rock And Soil of anchor hole 19.
Referring to accompanying drawing 15, the top diameter of tapered plug 10-5 top diameter=taper hole 7, when tapered plug 10-5 is stuffed into taper hole
When 7, a plane is formed between tapered plug 10-5 top surface and the upper surface of supporting body 2, now, the loading end of bearing mechanism is also one
Plane, it is unlikely to reduce the actual bearer area of bearing mechanism, will not also causes the consequence of stress concentration;Tapered plug 10-5 covers completely
Keyhole is covered, so as to ensure that tapered plug 10-5 can apply operating on centrifugal force to root key 3, root key 3 is drive on boldly in the Rock And Soil of anchor hole 19.
Wherein, the height of height >=taper hole 7 of tapered plug 10, referring to accompanying drawing 14~17, in this case, tapered plug 10 and cone
Remaining space is not present between hole 7, during slip casting, can ensure that injecting cement paste fills up in each slip casting space, so as to avoid
The problem of bearing capacity as caused by remaining space reduces.In the present embodiment, one of tapered plug 10a cuts circle 13a and supporting body 2a bottoms
Face maintains an equal level, and tapered plug 10b one section of circle 13b and supporting body 2b bottom surface maintains an equal level, and one of tapered plug 10c cuts circle 13c and supporting body 2c
Bottom surface maintains an equal level.
Wherein, the head of root key 3 has tip 4, in this case, according to F=P × S, wherein, F- active forces, P- pressures
By force, S- lifting surface areas, root key 3 by during being drive on boldly from the operating on centrifugal force that tapered plug 10 provides to the Rock And Soil of anchor hole 19,
Pressure is larger, and root key 3 is endured constantly more laborsaving, more convenient to the Rock And Soil of anchor hole 19.
Referring to accompanying drawing 15, the shape of afterbody 5 of root key 3 is adapted with the shape of tapered plug 10-5 outer walls so that, the tail of root key 3
Face is formed between portion 5 and tapered plug 10-5 outer wall to contact.In this case, the centrifugal action that tapered plug 10-5 applies to root key 3
Power lifting surface area is larger, is more uniformly stressed.If in the way of shown in accompanying drawing 16, the afterbody 5 ' of root key 3 is made it is cylindric,
Now, it is that point contacts between the afterbody 5 ' of root key 3 and tapered plug 10-5 outer wall, easily causes stress concentration effect and the stress of root key 3
Uneven negative consequence.Furthermore hole can be also left between tapered plug 10-5 and root key 3, root key 3 can not fill keyhole full
It is full, reduce anchoring effect.
Referring to accompanying drawing 17, root key 3 with the wall contacts of supporting body 2 at be fixedly connected with baffle part 30.The baffle part 30
Effect is, during root key 3 makees centripetal motion relative to taper hole 7, when baffle part 30 is abutted on the outer wall of supporting body 2
When, root key 3 can not just continue to make centripetal motion relative to taper hole 7, therefore, it is possible to avoid root key 3 from being come off at taper hole 7.
Wherein, baffle part 30 is made up of flexible material.In this case, drive on boldly in root key 3 to the Rock And Soil of anchor hole 19
During, be not in the additional friction brought by baffle part 30 because baffle part 30 is made of flexible material.
Referring to accompanying drawing 18, the assemble method of bearing mechanism comprises the following steps:
Root key 3 is inserted in keyhole so that the head of root key 3 is towards anchor hole wall, and the afterbody of root key 3 is towards taper hole 7;Will cone
Plug 10 is filled in taper hole 7, tapered plug 10 from the less one end of its diameter occupies the accommodation space of taper hole 7, forces root key 3 further
Drive on boldly, extend into the Rock And Soil of anchor hole 19 into Rock And Soil.Wherein, in the case of being provided with baffle part 30 on root key 3, root key 3
It is inwardly inserted into one end of its afterbody 5 from the outer wall of supporting body 2 into keyhole.
As bearing mechanism 1a, 1b, 1c a kind of concrete implementation mode, bearing mechanism 1a, 1b, 1c are provided with multiple hang
Apertured, the hanging of muscle body 15a, 15b, 15c set end through hanging apertured.
By taking the 3rd bearing mechanism 1a as an example, the root keyed anchor cable that the present embodiment provides also includes Extrusion anchor ground tackle 16a, muscle body
15a leaves remaining part in bearing mechanism 1a bottom, and Extrusion anchor ground tackle 16a is fixedly connected on remaining part, and Extrusion anchor ground tackle 16a external diameter is more than
Hang the diameter of apertured.In this case, because Extrusion anchor ground tackle 16a external diameter is more than the diameter for hanging apertured, Extrusion anchor ground tackle 16a is not
It can be passed through from hanging in apertured, therefore, it is possible to avoid bearing mechanism 1a from being come off from muscle body 15a.
In the present embodiment, as a kind of concrete implementation mode connected between Extrusion anchor ground tackle 16a and muscle body 15a, extruding
Anchorage 16a by welding, or, buckle is fixedly connected on remaining part.
In the present embodiment, the bottom of anchor station 20 is in inclined-plane 21.In this case, anchor station 20 can by bottom bevel 21
Mutually agree with the gradient of side slope, the work of anchor cable can be only realized by way of vertical or horizontal anchor hole 19 is beaten in side slope
With because vertical holes or lateral aperture has inclination angle with side slope in itself, the bottom of anchor station 20 being arranged into inclined-plane 21, is easy to anchor cable
Application.
In the present embodiment, three bearing mechanisms 1a, 1b, 1c be arranged in parallel.In this case, the first pressure-bearing can be ensured
Mechanism 1a is in horizontally disposed, and the space between the first bearing mechanism 1a, the second bearing mechanism 1b is parallel space, the second pressure-bearing machine
Space between structure 1b, the 3rd bearing mechanism 1c is parallel space, when carrying out force analysis, can ensure the first bearing mechanism
1a, the second bearing mechanism 1b, the 3rd bearing mechanism 1c Impact direction are consistent.
Referring to accompanying drawing 10~12, in the present embodiment, multiple circumference for hanging apertured and being distributed in bearing mechanism 1a, 1b, 1c
On.In this case, due to it is the plurality of hang apertured respectively on bearing mechanism 1a, 1b, 1c it is uniform, it enables to muscle body
15a, 15b, 15c stress point are uniform, so as to prevent bearing mechanism 1a, 1b, 1c from producing inclination.
Referring to accompanying drawing 1~8, in the present embodiment, root keyed anchor cable also includes position indicating device, and position indicating device is used for
Indicate the position of bearing mechanism 1a, 1b, 1c in anchor hole 19.
In the present embodiment, position indicating device is guiding cap 18, and guiding cap 18 is fixedly connected on lowermost bearing mechanism
1a bottom.Because the relative position between the three-level bearing mechanism 1a, 1b, 1c has fixed, indicate that one of them holds
Behind press mechanism 1a position, the position equivalent to the three-level bearing mechanism 1a, 1b, 1c is determined.In construction, usual anchor hole
19 drilling position is deeper, after the guiding cap 18, can avoid bearing mechanism 1a, 1b, 1c blind spy, can make pressure-bearing
Mechanism 1a, 1b, 1c position are determined.
In the present embodiment, the tip of anchor hole 19 is in the first taper, and the top of guiding cap 18 is in second of taper, the first
Taper is corresponding with second of taper.In this case, second of taper of guiding cap 18 can with anchor hole 19 the first
Taper is adapted, so as to be accurately positioned first bearing mechanism 1a position.
In the present embodiment, position indicating device can also be the first displacement transducer (not shown), and the first displacement passes
Sensor (not shown) is used to detect the displacement data of bearing mechanism 1a, 1b, 1c in anchor hole 19.In this case, nothing
Guiding cap 18 need to be set up on the first bearing mechanism 1a, but may detect by the first displacement transducer (not shown)
The displacement that bearing mechanism 1a, 1b, 1c walk downwards from the opening portion of anchor hole 19, therefore, it is possible to be accurately positioned bearing mechanism 1a, 1b,
Positions of the 1c in anchor hole 19.Wherein, root keyed anchor cable also includes the first remote interface, terminal device, and the first remote interface is set
It is placed in the first displacement transducer (not shown), the first displacement transducer (not shown) will by the first remote interface
The displacement data detected transmits several in PC, single-chip microcomputer, handheld terminal to terminal device, terminal device.At this
In the case of kind, position of the first displacement transducer (not shown) in anchor hole 19 can be known by terminal device, is applied
It is more convenient.
Wherein, root keyed anchor cable also includes warning device, and warning device is used to indicate whether bearing mechanism 1a, 1b, 1c arrive
Position, when bearing mechanism 1a, 1b, 1c in place when, warning device sends alarm signal.In this case, the present embodiment is provided
Root keyed anchor cable be sent into anchor hole 19 during, it is logical without whether in place monitoring bearing mechanism 1a, 1b, 1c on the spot, but only
Cross the alarm signal obtained from warning device, you can learn bearing mechanism 1a, 1b, 1c whether in place.
Wherein, root keyed anchor cable also includes second displacement sensor (not shown), and second displacement sensor is (in figure not
Show) for indicating displacement data of the grout outlet 17 (17a, 17b, 17c, 17d) of Grouting Pipe in anchor hole 19.In such case
Under, when Grouting Pipe is imported into anchor hole 19 by through hole, second displacement sensor (not shown) can be used to indicate that slip casting
Running position of the grout outlet 17 (17a, 17b, 17c, 17d) of pipe in anchor hole 19, consequently facilitating learning the grout outlet of Grouting Pipe
Particular location in anchor hole 19.Wherein, root keyed anchor cable also includes the second remote interface, terminal device, the second remote interface
It is arranged in second displacement sensor (not shown), second displacement sensor (not shown) passes through the second remote interface
The displacement data detected is transmitted several in PC, single-chip microcomputer, handheld terminal to terminal device, terminal device.
In this case, position of the second displacement sensor (not shown) in anchor hole 19 can be known by terminal device, should
With more convenient.
Wherein, root keyed anchor cable also includes Grouting Pipe closed tube dolly (not shown), and the pulp inlet of Grouting Pipe, which is fixed, to be connected
It is connected in closed tube dolly (not shown), during the slip casting into anchor hole 19, closed tube dolly (not shown) is used for
Make Grouting Pipe closed tube so that the grout outlet of Grouting Pipe is elevated.In this case, it is by closed tube dolly (not shown)
The closed tube action of Grouting Pipe can be completed, without artificial closed tube.
In the present embodiment, root keyed anchor cable also includes closed tube dolly (not shown) speed setting device, closed tube dolly
(not shown) speed setting device is used for the speed of service for setting closed tube dolly (not shown), and closed tube dolly is (in figure
Be not shown) the operational formula of the speed of service beWherein, vCarThe fortune of-closed tube dolly (not shown)
Scanning frequency degree, vEnterThe flow velocity of slurry, S in-Grouting PipePipeThe sectional area of-Grouting Pipe, SHoleThe sectional area of-anchor hole 19.In such case
Under, can be according to the slurry flow velocity in Grouting Pipe, the speed of service of setting closed tube dolly (not shown) so that, Grouting Pipe
Grout outlet all the time in injecting cement paste slurry face on.Wherein, root keyed anchor cable also includes Flow speed measurer (not shown),
Flow speed measurer (not shown) is used for the real-time flow rate data for measuring slurry in Grouting Pipe, according to real-time flow rate data, speed
Degree setting device sets the speed of service of closed tube dolly (not shown) in real time.
In addition, when slurry exports from a slurry feeding device (not shown), the flow velocity of slurry passes through defeated slurry in Grouting Pipe
Device (not shown) is set, and according to the flow velocity of the slurry of setting, speed setting device setting closed tube dolly (does not show in figure
Go out) the speed of service.
Embodiment two
Referring to accompanying drawing 2~10,19, the method to anchor hole slip casting that the embodiment of the present invention two provides is based on provided by the invention
Root keyed anchor cable and realize, illustrated using the quantity of bearing mechanism as 3, the multiple bearing mechanisms of root keyed anchor cable are from the bottom to top
Include the first bearing mechanism 1a, the second bearing mechanism 1b, the 3rd bearing mechanism 1c successively, root keyed anchor cable is to the side of anchor hole slip casting
Method comprises the following steps:
Root keyed the first bearing mechanism of anchor cable 1a, the second bearing mechanism 1b, the 3rd bearing mechanism 1c are assembled successively, make slip casting
The grout outlet 17a of pipe is in root keyed the first bearing mechanism of anchor cable 1a bottom;
Injecting cement paste, during slip casting, gradual hoisting grouting pipe are injected from Grouting Pipe to the first bearing mechanism 1a bottoms
Grout outlet 17a, until the first bearing mechanism 1a bottoms are full of injecting cement paste, the grout outlet 17b of Grouting Pipe is promoted to the first pressure-bearing
Between mechanism 1a, the second bearing mechanism 1b;
Continue to inject injecting cement paste between the first bearing mechanism 1a, the second bearing mechanism 1b from Grouting Pipe, in slip casting process
In, the grout outlet 17b of gradual hoisting grouting pipe, until injecting cement paste is full of between the first bearing mechanism 1a, the second bearing mechanism 1b,
The grout outlet 17c of Grouting Pipe is promoted between the second bearing mechanism 1b, the 3rd bearing mechanism 1c;
Continue to inject injecting cement paste between the second bearing mechanism 1b, the 3rd bearing mechanism 1c from Grouting Pipe, in slip casting process
In, the grout outlet 17c of gradual hoisting grouting pipe, until injecting cement paste is full of between the second bearing mechanism 1b, the 3rd bearing mechanism 1c,
The grout outlet 17d of Grouting Pipe is promoted on the 3rd bearing mechanism 1c;
Continue to inject injecting cement paste on the 3rd bearing mechanism from Grouting Pipe, during slip casting, gradual hoisting grouting pipe
Grout outlet 17d, until grout outlet of the anchoring section of anchor hole 19 full of injecting cement paste Grouting Pipe is promoted to the free segment of anchor hole 19;
The grout outlet of Grouting Pipe is continued to lift up, until Grouting Pipe is removed from anchor station 20, anchorage 22, is completed into anchor hole 19
The process of slip casting.
What what the embodiment of the present invention two provided realized using the root keyed anchor cable completes to anchor to anchor hole grouting method
In hole 19 after the process of slip casting, due to anchor hole radially can be deep into provided with multiple on three bearing mechanisms 1a, 1b, 1c
Root key 3a, 3b, 3c in 19 Rock And Soils, bearing mechanism 1a, 1b, 1c effective bearing area are actual beyond the face of its upper surface
Product, meanwhile, the Rock And Soil in root key 3a, 3b, 3c and anchor hole 19 also has interaction force, therefore, it is possible to lift anchoring section resistance
Power, and then, the anchor cable and grouting method provided using the embodiment of the present invention two is completed to after the engineering of anchor hole slip casting, can be effective
Improve the anchoring effect of anchor cable in ground.
Referring to 2a, 3a, 4a, 5a, Grouting Pipe is in the first bearing mechanism 1a, the second bearing mechanism 1b, the 3rd bearing mechanism
What 1c was installed after all assembling, Grouting Pipe inserts the first bearing mechanism 1a, the second bearing mechanism 1b, the 3rd bearing mechanism 1c centers
First through hole, the second through hole, in third through-hole, the grout outlet 17a of Grouting Pipe is in the first bearing mechanism 1a bottom.This
Requirement of the kind method to first through hole, the second through hole, the centering of third through-hole and Grouting Pipe is higher, it is necessary to assure first is logical
Hole, the second through hole, third through-hole centering, and, Grouting Pipe during being inserted completely it is straight in the case of can just accomplish.
Referring to 2b, 3b, 4b, 5b, Grouting Pipe is installed after the first bearing mechanism 1a is completed, in then group successively
During filling the second bearing mechanism 1b, the 3rd bearing mechanism 1c, the grout outlet 17a of Grouting Pipe is in the first bearing mechanism all the time
1a bottom.In this case, the second tapered plug, the 3rd tapered plug need to initially pass through Grouting Pipe be just tucked into taper hole, it is necessary to
Special messenger operates.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (30)
1. a kind of root keyed anchor cable, including anchor station, anchorage, multiple bearing mechanisms, multigroup muscle body,
The anchorage is fixedly connected on the anchor station, forms outer anchoring section,
After the multiple bearing mechanism is connected with multigroup muscle body respectively, the fixing end of the muscle body is connected in parallel to described respectively again
Outer anchoring section, the hanging of the muscle body set end and are used to hang to set the bearing mechanism,
The center of the multiple bearing mechanism offers through hole, and the center of circle of each through hole is on same straight line, and each institute
It is identical to state the diameter of through hole,
Perforating is reserved with the outer anchoring section, the center of circle of the perforating and each through hole is on same straight line, and
The diameter of the perforating is identical with the diameter of each through hole,
The perforating, each through hole pass through for Grouting Pipe,
Sliding pair is formed between the Grouting Pipe and the bearing mechanism, outer anchoring section;
Characterized in that,
The multiple bearing mechanism is radially provided with multiple root keys that can extend into anchor hole Rock And Soil, in idle shape
During state, described key is at least part of can be retracted in the bearing mechanism;
The bearing mechanism includes supporting body, root key, tapered plug,
The through hole is opened at the tapered plug center,
The supporting body center offers taper hole,
Using the inwall of the taper hole as starting point, keyhole is radially provided with along the supporting body, the quantity of the keyhole with described
The quantity of key is identical,
Sliding pair is formed between described key and the keyhole,
The outer wall of the tapered plug is adapted with the taper hole,
Described key length and the radius of anchor hole described in the radius sum > of the tapered plug corresponding position,
The radius of anchor hole described in described key length <;
When the tapered plug is stuffed into the taper hole, the head of described key is extend into anchor hole Rock And Soil.
2. according to claim 1 keyed anchor cable, it is characterised in that taper hole described in the top diameter > of the tapered plug
Base diameter, when the tapered plug is stuffed into the taper hole, overlapped between the tapered plug and the keyhole.
3. according to claim 2 keyed anchor cable, it is characterised in that the top diameter of the tapered plug >=taper hole
Top diameter, when the tapered plug is stuffed into the taper hole, overlapped between the tapered plug and the keyhole.
4. according to claim 3 keyed anchor cable, it is characterised in that the height of the height of the tapered plug >=taper hole
Degree.
5. according to claim 1 keyed anchor cable, it is characterised in that the head of described key has tip.
6. according to claim 1 keyed anchor cable, it is characterised in that outside the tail shape of described key and the tapered plug
The shape of wall is adapted so that, the face that formed between the afterbody of described key and the outer wall of the tapered plug contacts.
7. according to claim 1 keyed anchor cable, it is characterised in that described key with the supporting body wall contacts
Place is fixedly connected with baffle part.
8. according to claim 7 keyed anchor cable, it is characterised in that the baffle part is made up of flexible material.
9. according to any described root keyed anchor cable in claim 1~8, it is characterised in that the assembling side of the bearing mechanism
Method comprises the following steps:
Described key is inserted in the keyhole so that the head of described key is towards the anchor hole wall, the afterbody of described key
Towards the taper hole;
The tapered plug is filled in the taper hole from the less one end of its diameter, the tapered plug occupies the accommodating sky of the taper hole
Between, force described key further to be drive on boldly into Rock And Soil, extend into anchor hole Rock And Soil.
10. according to claim 1 keyed anchor cable, it is characterised in that the bearing mechanism hangs apertured provided with multiple,
The hanging of the muscle body sets end and hangs apertured through described.
11. according to claim 10 keyed anchor cable, it is characterised in that also including Extrusion anchor ground tackle, the muscle body is in institute
Remaining part is left in the bottom for stating bearing mechanism, and the Extrusion anchor ground tackle is fixedly connected on the remaining part, and the external diameter of the Extrusion anchor ground tackle is big
In the diameter for hanging apertured.
12. according to claim 11 keyed anchor cable, it is characterised in that the Extrusion anchor ground tackle by welding, or, card
Button is fixedly connected on the remaining part.
13. according to claim 1 keyed anchor cable, it is characterised in that the bottom of the anchor station is in inclined-plane.
14. according to claim 1 keyed anchor cable, it is characterised in that the multiple bearing mechanism be arranged in parallel.
15. according to claim 10 keyed anchor cable, it is characterised in that the multiple apertured of hanging is distributed in the pressure-bearing
On one circumference of mechanism.
16. according to claim 1 keyed anchor cable, it is characterised in that also refer to including position indicating device, the position
Show that mechanism is used to indicate position of the bearing mechanism in anchor hole.
17. according to claim 16 keyed anchor cable, it is characterised in that the position indicating device is guiding cap, institute
State the bottom that guiding cap is fixedly connected on lowermost bearing mechanism.
18. according to claim 17 keyed anchor cable, it is characterised in that the tip of anchor hole is in the first taper, described
The top of guiding cap is in second of taper, and the first described taper is corresponding with second of taper.
19. according to claim 16 keyed anchor cable, it is characterised in that the position indicating device passes for the first displacement
Sensor, first displacement transducer are used to detect displacement data of the bearing mechanism in anchor hole.
20. according to claim 19 keyed anchor cable, it is characterised in that also including the first remote interface, terminal device,
First remote interface is arranged on first displacement transducer, and first displacement transducer is long-range by described first
Interface transmits the displacement data detected to the terminal device, and the terminal device is in PC, single-chip microcomputer, handheld terminal
It is several.
21. according to claim 20 keyed anchor cable, it is characterised in that also including warning device, the warning device
For whether in place indicating the bearing mechanism, when the bearing mechanism in place when, the warning device sends alarm signal.
22. according to claim 1 keyed anchor cable, it is characterised in that also including second displacement sensor, described second
Displacement data of the grout outlet that displacement transducer is used to indicate the Grouting Pipe in anchor hole.
23. according to claim 22 keyed anchor cable, it is characterised in that also including the second remote interface, terminal device,
Second remote interface is arranged on the second displacement sensor, and the second displacement sensor is long-range by described second
Interface transmits the displacement data detected to the terminal device, and the terminal device is in PC, single-chip microcomputer, handheld terminal
It is several.
24. according to claim 1 keyed anchor cable, it is characterised in that also including Grouting Pipe closed tube dolly, the slip casting
The pulp inlet of pipe is fixedly connected on the closed tube dolly, and during the slip casting into anchor hole, the closed tube dolly is used to make
The Grouting Pipe closed tube so that the grout outlet of the Grouting Pipe is elevated.
25. according to claim 24 keyed anchor cable also includes closed tube dolly speed setting device, the closed tube dolly
Speed setting device is used for the speed of service for setting the closed tube dolly, and the operational formula of the speed of service of the closed tube dolly isWherein, vCarThe speed of service of-closed tube dolly, vEnterThe flow velocity of slurry, S in-Grouting PipePipe- Grouting Pipe is cut
Area, SHoleThe sectional area of-anchor hole.
26. according to claim 25 keyed anchor cable, it is characterised in that also surveyed including Flow speed measurer, the flow velocity
Amount instrument is used for the real-time flow rate data for measuring slurry in Grouting Pipe, according to the real-time flow rate data, the speed setting device
The speed of service of the closed tube dolly is set in real time.
27. according to claim 25 keyed anchor cable, it is characterised in that the slurry exports from a slurry feeding device, institute
The flow velocity for stating slurry in Grouting Pipe is set by the slurry feeding device, and according to the flow velocity of the slurry of the setting, the speed is set
Determine the speed of service that device sets the closed tube dolly.
A kind of 28. method to anchor hole slip casting, it is characterised in that based on any described root keyed anchor in claim 1~27
Rope and realize, the multiple bearing mechanism from the bottom to top successively include the first bearing mechanism, the second bearing mechanism, the 3rd pressure-bearing machine
Structure ... N bearing mechanisms, the method to anchor hole slip casting comprise the following steps:
First bearing mechanism, the second bearing mechanism, the 3rd bearing mechanism ... N bearing mechanisms are assembled successively, make Grouting Pipe
Grout outlet be in the bottom of first bearing mechanism;
Injecting cement paste is injected from Grouting Pipe to the first bearing mechanism bottom, during slip casting, the grout outlet of gradual hoisting grouting pipe,
Until the first bearing mechanism bottom is full of injecting cement paste, the grout outlet of Grouting Pipe is promoted to the first bearing mechanism, the second pressure-bearing machine
Between structure;
Continue to inject injecting cement paste between the first bearing mechanism, the second bearing mechanism from Grouting Pipe, during slip casting, gradually carry
The grout outlet of Grouting Pipe is risen, until being full of injecting cement paste, the grout outlet quilt of Grouting Pipe between the first bearing mechanism, the second bearing mechanism
It is promoted between the second bearing mechanism, the 3rd bearing mechanism;
Continue to inject injecting cement paste between the second bearing mechanism, the 3rd bearing mechanism from Grouting Pipe, during slip casting, gradually carry
The grout outlet of Grouting Pipe is risen, until being full of injecting cement paste, the grout outlet quilt of Grouting Pipe between the second bearing mechanism, the 3rd bearing mechanism
It is promoted on the 3rd bearing mechanism;
So repeat, until filling slurry between N-1 bearing mechanisms, N bearing mechanisms, the grout outlet of Grouting Pipe is promoted to
On N bearing mechanisms;
Continue to inject injecting cement paste on N bearing mechanisms from Grouting Pipe, during slip casting, the pulp of gradual hoisting grouting pipe
Mouthful, until the anchoring section of anchor hole is full of injecting cement paste, the grout outlet of Grouting Pipe is promoted to the free segment of anchor hole;
The grout outlet of Grouting Pipe is continued to lift up, until Grouting Pipe is removed from anchor station, anchorage, completes the mistake of the slip casting into anchor hole
Journey.
29. the method according to claim 28 to anchor hole slip casting, it is characterised in that the Grouting Pipe is described first
What bearing mechanism, the second bearing mechanism, the 3rd bearing mechanism ... N bearing mechanisms were installed after all assembling,
The Grouting Pipe inserts the first bearing mechanism, the second bearing mechanism, the of the 3rd bearing mechanism ... N bearing mechanisms center
In one through hole, the second through hole, third through-hole ... N through holes, the grout outlet of Grouting Pipe is set to be in the bottom of the first bearing mechanism.
30. the method according to claim 28 to anchor hole slip casting, it is characterised in that the Grouting Pipe is described first
What bearing mechanism was installed after being completed, the second bearing mechanism, the 3rd bearing mechanism ... N bearing mechanisms are then being assembled successively
During, the grout outlet of the Grouting Pipe is in the bottom of the first bearing mechanism all the time.
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CN108894218B (en) * | 2018-07-28 | 2020-09-04 | 江苏地基工程有限公司 | Prestressed concrete precast pile |
CN110158588B (en) * | 2018-12-29 | 2024-05-03 | 中国科学院武汉岩土力学研究所 | Internal inclined root key type anchor cable and grouting method for anchor holes |
CN113136800A (en) * | 2021-03-26 | 2021-07-20 | 中国科学院武汉岩土力学研究所 | Root key type stable pressure-bearing mechanism in anchor hole, assembling method, root key type anchor cable and method for grouting anchor hole |
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US3763655A (en) * | 1972-05-02 | 1973-10-09 | Lois Edwards | Piling with extendable anchor legs |
KR100270673B1 (en) * | 1997-12-08 | 2000-11-01 | 신승교 | Earth anchor and construction method thereof |
CN101311421A (en) * | 2006-01-26 | 2008-11-26 | 安徽省高速公路总公司 | Radical anchorage and construction method thereof |
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