CN107130651A - The detection means and its detection method of anchor pole internal force exterior measuring - Google Patents
The detection means and its detection method of anchor pole internal force exterior measuring Download PDFInfo
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- CN107130651A CN107130651A CN201710554654.2A CN201710554654A CN107130651A CN 107130651 A CN107130651 A CN 107130651A CN 201710554654 A CN201710554654 A CN 201710554654A CN 107130651 A CN107130651 A CN 107130651A
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- anchor pole
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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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
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
A kind of detection means and its detection method of anchor pole internal force exterior measuring, detection means have anchor pole, counter-force mould, perforation pad, magnetic stand, displacement transducer, matrix, anchor rod drawing instrument.Displacement transducer is arranged on magnetic stand, and magnetic stand is fixed on matrix；The front end of counter-force mould is against on anchor pole beam, the rear end of counter-force mould is against on the lateral wall of preceding backing plate of anchor rod drawing instrument, pad perforate at the lateral wall of the intermediate plate of strand tapered anchorage and in the cavity of counter-force mould, displacement transducer is within the cavity, and the gauge head of displacement transducer is selected with the displacement measurement on the surface for pad of perforating on the lateral wall for the intermediate plate for being in contact and pad of perforating being withstood on into strand tapered anchorage.Present invention also offers the detection method of anchor pole internal force exterior measuring.The present invention is economical and practical, reliably, and accuracy of detection is high, and can accomplish full inspection without carrying out any processing to anchor pole in the work progress of anchor pole or suspicious anchor pole is taken a sample test, accomplish to detect any anchor pole.
Description
Technical field
Reinforced and pattern foundation pit supporting structure anchor pole the present invention relates to force checking device in a kind of anchor pole, more particularly to a kind of geotechnical slope
Interior force checking device, specifically a kind of detection means of anchor pole internal force exterior measuring, belongs to measuring appliance technical field.The present invention is also related to
And a kind of anchor pole internal force detection method, more particularly to a kind of reinforcing of geotechnical slope and pattern foundation pit supporting structure anchor pole internal force detection method, tool
Body is a kind of detection method of anchor pole internal force exterior measuring.
Background technology
At present, existing geotechnical slope reinforce and Base hole supporting technology in the detection (monitoring of anchor pole internal force）Method have special
Dynamometry, Reinforcement Stress-count method or strain gauge method.Above method equipment, which is arranged on anchor rod body, to be belonged in anchor pole internal force
Survey method, equipment is in detection (monitoring）After the completion of hardly possible reclaimed, so as to cause to waste, and precision is smart by installation method and instrument
Degree influence is larger.
Traditional detection method must dispose instrument and equipment in advance in work progress, it is necessary to the progress synchronous with construction done,
Instrument and equipment Meteorological is higher, it is difficult to accomplish to recycle, it is considered to which the existing form of factors above traditional detection method is generally to take a sample test,
The anchor pole of placement instrument and equipment in advance can only be detected.
Inventor retrieves following Patents documents：CN201408095Y discloses a kind of spring resistance type anchor rod force-measuring
Instrument, the dynamometer contains the spring for being mounted with and extending along barrel lenght direction in the middle part of hollow cylinder, the cylinder, the bullet
The lower end of spring and cylinder is relatively fixed, and the resistance wire extended along barrel lenght direction, institute are fixed between the cylinder and spring
The sheet metal for being cased with being electrically connected on resistance wire is stated, the upper end of the sheet metal and spring is connected.During amount, lower tray is disposed
It is fixed in rock mass etc., the connecting wire towards external data acquisition system is drawn from the lower end of resistance wire and sheet metal,
When the anchor pole (rope) on spring top meets with stresses, spring position causes the resistance signal of output to occur respective change, so as to
To measure the change of anchor pole (rope) internal force, the purpose of safety detection is reached.CN201548191U discloses a kind of building that is used for and tied
Structure displacement tester, including：Electrical measurement displacement meter, magnetic stand and digital display, the electrical measurement displacement meter are a kind of resistance
Formula Linear displacement transducer；The resistance-type Linear displacement transducer is arranged on magnetic stand, resistance-type linear displacement sensing
Pass through cable connection between device and digital display.CN104089819A discloses a kind of test anchor pole axial load with axially becoming
The testing stand and method of testing of shape.The drilling model for anchoring rod, anchor pole one are provided with the work testboard of the testing stand
End is anchored in drilling model, and the other end of anchor pole, which installs pallet and tightens nut, to be fixed on the end face of impact beam；Stretching top
Thrusting action is in impact beam under the drive of drive mechanism for beam, so that anchor pole bears axial tensile loads and occurs axial tension change
Shape；Load sensor is located between impact beam and stretching back timber, and for testing axial tensile loads, displacement transducer is respectively mounted
In the two ends of anchor pole, for testing axial deflection.
How the above technology is for make the detection of anchor pole internal force accomplish economical and practical, reliably, and accuracy of detection is high, and in anchor
Without carrying out any processing to anchor pole in the work progress of bar, full inspection can be accomplished or suspicious anchor pole is taken a sample test, do not provided
Specific guidance program.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of detection means of anchor pole internal force exterior measuring, and it is economical and practical,
Reliably, accuracy of detection is high, and can accomplish full inspection or to suspicious without carrying out any processing to anchor pole in the work progress of anchor pole
Anchor pole is taken a sample test, and accomplishes to detect any anchor pole.
Therefore, another technical problem to be solved by this invention is to provide a kind of detection method of anchor pole internal force exterior measuring.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows.
A kind of detection means of anchor pole internal force exterior measuring, with anchor pole, anchor pole has steel strand wires, strand tapered anchorage（Engineering anchor,
Work anchor）, on the outside of anchor pole termination anchor pole beam, its technical scheme is the detection means of described anchor pole internal force exterior measuring also
With the counter-force mould for providing counter-force, perforation pad, magnetic stand, displacement transducer, the matrix of non-displacement, anchor rod drawing
Instrument, displacement transducer be arranged on magnetic stand on, magnetic stand fix on the matrix, anchor rod drawing instrument have preceding backing plate,
Backing plate, the punched-type jack between preceding backing plate and rear backing plate, the anchorage of clip type first being arranged on rear backing plate afterwards（Work
Has anchor）；The front end of above-mentioned counter-force mould is against on described anchor pole beam, and the rear end of counter-force mould is against before anchor rod drawing instrument
On the lateral wall of backing plate, counter-force mould has hollow cavity, and perforation pad is at the lateral wall of the intermediate plate of strand tapered anchorage
And positioned at counter-force mould the cavity in, perforation pad on have and steel strand wires quantity it is identical and with strand tapered anchorage
The concentric perforate in steel strand wires hole, upper displacement sensors are located in the cavity, the installation direction of displacement transducer and the steel
The draw direction of twisted wire is consistent, and the gauge head of displacement transducer is in contact with the displacement measurement point on the surface for pad of perforating and will worn
Hole pad is withstood on the lateral wall of the intermediate plate of strand tapered anchorage；Above-mentioned steel strand wires are after strand tapered anchorage is passed, by perforation
The cavity of perforate, counter-force mould on pad, the centre bore of preceding backing plate, the centre bore of punched-type jack, rear backing plate
Centre bore and from the intermediate plate of the anchorage of clip type first stretch out.
In above-mentioned technical proposal, the thickness of described perforation pad is preferably 1 ~ 1.5mm, and the diameter of perforation pad is more than
The diameter of strand tapered anchorage, the quantity of above-mentioned steel strand wires is three, and the quantity of the perforate is three on perforation pad, each
The diameter of the perforate is all less than the diameter of the intermediate plate of strand tapered anchorage more than the diameter of steel strand wires.Above-mentioned counter-force mould by
Front spring, rear steel plate, four steel pipes between front spring and rear steel plate are constituted, and front spring and rear steel plate all have for steel
The centre bore that twisted wire is passed through, the diameter of the centre bore is more than the diameter of perforation pad, and the center line of four steel pipes is in level
The line of projection in face constitutes square, and four steel pipe area defined form the cavity, front spring, the thickness of rear steel plate
Degree can be all 15mm, and the wall thickness of every steel pipe steel pipe can be all 7mm.The quantity of upper displacement sensors can be three,
Correspondingly, the quantity of magnetic stand is three, and the quantity of matrix is three, and each matrix is preferably all a common steel tube, position
Displacement sensor, magnetic stand, matrix are corresponding one by one, and each displacement transducer is by a magnetic stand corresponding thereto
It is fixed on a matrix, the quantity for the displacement measurement point perforated on the surface of pad is three, and three displacement measurements are pressed just
Triangle position is distributed, and all has a pit, each displacement in the position of each displacement measurement point on the surface of pad of perforating
The gauge head of sensor stretches into a pit corresponding thereto and spacing by the pit.
In above-mentioned technical proposal, the detection method of anchor pole internal force exterior measuring comprises the following steps：1. counter-force is installed on anchor pole
Mould, makes the front end of counter-force mould be against on the anchor pole beam of anchor pole, counter-force mould has hollow cavity；2. wear perforation pad
Cross the steel strand wires of anchor pole and perforation pad is located at the lateral wall of the intermediate plate of the strand tapered anchorage of anchor pole and positioned at counter-force mould
The cavity in, have on perforation pad and the quantity of steel strand wires be identical and concentric with steel strand wires hole on strand tapered anchorage
Perforate；3. anchor rod drawing instrument is installed, the preceding backing plate for installing anchor rod drawing instrument, punched-type jack, rear pad is specifically set gradually
Plate, the anchorage of clip type first, make the rear end of counter-force mould be against on the lateral wall of preceding backing plate of anchor rod drawing instrument；④（To intermediate plate
The anchorage of formula first exert a force and）Precompressed is carried out to anchor pole, makes above-mentioned counter-force mould, perforation pad, anchor rod drawing instrument and described steel
Twisted wire is concentric；5. fixed matrix is laid in the both sides of counterforce device, displacement transducer is arranged on magnetic stand simultaneously
It is located in the cavity, magnetic stand is fixed in the described matrix of non-displacement, makes the installation direction of displacement transducer
It is consistent with the draw direction of steel strand wires, the gauge head of displacement transducer is in contact with the displacement measurement point on the surface for pad of perforating
And on the lateral wall for the intermediate plate that pad of perforating is withstood on into strand tapered anchorage；6. grading tension is carried out, while observing perforation pad
Displacement, when pad of perforating is subjected to displacement, records anchor rod drawing instrument applying power reading, judges force value in anchor pole.
The present invention applies external force to anchor pole axial direction, and when external force is just marginally larger than anchor pole internal force, the anchorage is by outer masterpiece
With being subjected to displacement, force value in anchor pole is judged by observing anchorage displacement.Specifically the present invention sets a counter-force mould on the outside of anchor pole
Tool, which is provided, sets perforation on counter-force, the anchorage（It is thin）Pad, perforation pad on placement displacement transducer to observe anchorage or
Intermediate plate is deformed, and anchor rod drawing instrument is placed on counter-force mould carries out grading tension to anchor pole, while observing pad displacement, works as pad
When being subjected to displacement, anchor rod drawing instrument applying power reading is recorded, force value in anchor pole is judged.
This（Invention）The method that detection method changes traditional internal force detection, without right in the work progress of anchor pole
Anchor pole carries out any processing, it is not necessary to set any equipment and instrument in anchor rod body, and detection means of the invention includes conventional
Anchor rod drawing instrument, displacement transducer and counter-force mould, it is simple in construction, full inspection can be accomplished, or suspicious anchor pole is taken a sample test, can be with
Accomplish to detect any anchor pole.The present invention have Non-Destructive Testing, once input, it is easy to detect, by external environment shadow
Ring the features such as small, precision is high.This detection method adapts to the anchor fixed for single steel strand and many steel strand wires strand tapered anchorages
Bar, is also applied for the detection that strand tapered anchorage fixes other prestressed reinforced concrete construction internal force.The following examples of the present invention with
Three steel strand anchor rods（Three hole anchorages）Exemplified by be described.
In summary, the present invention is economical and practical, reliably, and accuracy of detection is high, and without to anchor in the work progress of anchor pole
Bar carries out any processing, can accomplish full inspection or suspicious anchor pole is taken a sample test, accomplish to detect any anchor pole.
Brief description of the drawings
Fig. 1 is the structural representation of the detection means of the anchor pole internal force exterior measuring of the present invention.
Fig. 2 is the structural representation of counterforce device in the present invention（Front view）.
Fig. 3 is the sectional view in Fig. 2 along line A-A.
Fig. 4 is the structural representation of middle punch pad of the present invention（Front view）.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3, Figure 4, the detection means of anchor pole internal force exterior measuring of the invention has anchor pole
1, the anchor pole beam 103 of the termination with steel strand wires 101, strand tapered anchorage 102, on the outside of anchor pole of anchor pole 1（Can band on anchor pole beam
There is one block of steel plate）.It is characterized in that the detection means of described anchor pole internal force exterior measuring also has the counter-force mould for being used for providing counter-force
Tool 3, perforation pad 2, magnetic stand 6, displacement transducer 4, the matrix 5 of non-displacement, anchor rod drawing instrument 7.Reference 8 is bank protection
Stake.Displacement transducer 4 can be inductive frequency waterproof displacement transducer, and the displacement transducer passes through cable connection numerical monitor
Device.Displacement transducer 4 is arranged on magnetic stand 6, and magnetic stand 6 is fixed in described matrix 5, and such displacement transducer passes through
Magnetic stand is fixed on the matrix of non-displacement（Matrix can be steel pipe）.Anchor rod drawing instrument 7 has preceding backing plate 701, rear backing plate
703rd, the punched-type jack between preceding backing plate and rear backing plate（Centre-hole jack）702nd, it is arranged on rear backing plate 703
The first anchorage of clip type 704.The front end of above-mentioned counter-force mould 3 is against on described anchor pole beam 103, the rear end of counter-force mould 3
It is against on the lateral wall of preceding backing plate 701 of anchor rod drawing instrument, counter-force mould 3 has hollow cavity 300, perforation pad 2 is located at
At the lateral wall of the intermediate plate of strand tapered anchorage 102 and positioned at counter-force mould the cavity 300 in, perforation pad 2 on have and
Identical and concentric with steel strand wires hole on strand tapered anchorage 102 perforate 201 of the quantity of steel strand wires 101.Upper displacement sensors 4
In the cavity 300, the installation direction of displacement transducer 4 is consistent with the draw direction of the steel strand wires 101（It is parallel）, position
The gauge head of displacement sensor 4 with perforate pad 2 surface on displacement measurement select 202 be in contact and will perforation pad 2 withstand on intermediate plate
On the lateral wall of the intermediate plate of formula anchorage 102.Above-mentioned steel strand wires 101 are after strand tapered anchorage 102 is passed, by pad 2 of perforating
On perforate 201, the cavity 300 of counter-force mould, the centre bore of preceding backing plate 701, the centre bore of punched-type jack 702,
Afterwards the centre bore of backing plate 703 and from the intermediate plate of the first anchorage of clip type 704 stretch out.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the thickness of above-mentioned perforation pad 2 is 1 ~ 1.5mm（Thickness is unsuitable blocked up, no
More than 1.5mm）, perforation pad 2 can be thin round steel sheet, and the diameter of perforation pad 2 is more than the diameter of strand tapered anchorage, on
The quantity for the steel strand wires 101 stated is three, and the quantity of the perforate 201 is three on perforation pad（Certain perforate also may be used
To be single hole, the quantity of perforate can also be other values, and the quantity of perforate is identical with the quantity of steel strand wires 101, steel strand wires 101
Quantity can be one to four, then the quantity of perforate is one to four）, the diameter of each perforate 201 is all more than steel strand wires
101 diameter and less than strand tapered anchorage 102 intermediate plate diameter.Above-mentioned counter-force mould 3 by（It is circular）Front spring（Descend steel
Plate）303、（It is circular）Steel plate afterwards（That is upper steel plate）301st, four structures of steel pipe 302 between front spring 303 and rear steel plate 301
Into front spring 303 and rear steel plate 301 all have what is passed through for steel strand wires 101（It is circular）Centre bore 304, the centre bore 304
Diameter is more than the diameter of perforation pad 2.The line of the projection of the center line of four steel pipes 302 in the horizontal plane constitutes square
Shape, four area defined of steel pipe 302 form the cavity 300, and front spring, the thickness of rear steel plate are all 15mm, every steel
The wall thickness of pipe steel pipe 302 is all 7mm.Design attitude firm welding is strictly pressed in the connection of every steel pipe and front spring, rear steel plate, is protected
Demonstrate,proving it has enough intensity as counter-force.The quantity of upper displacement sensors 4 is three, and the quantity of magnetic stand 6 is three,
The quantity of matrix 5 is three, and each matrix is all a common steel tube, and displacement transducer, magnetic stand, matrix are relative one by one
Should, each displacement transducer is fixed on a matrix by a magnetic stand corresponding thereto.The table of perforation pad 2
The quantity of displacement measurement point 202 on face is three, and three displacement measurement points 202 press equilateral triangle position distribution（I.e. three positions
The line for moving test point constitutes equilateral triangle）, perforate pad 2 surface on all have in the position of each displacement measurement point 202
One pit（Depression）, the gauge head of each displacement transducer 4 stretches into a pit corresponding thereto and spacing by the pit.Peace
Ensure during dress perforation pad through the connection of steel strand wires and intermediate plate without contacting steel strand wires, three displacement transducers should with preceding backing plate,
Backing plate is arranged vertically afterwards.
Embodiment 2：As shown in Figure 1, Figure 2, Figure 3, Figure 4, the detection method of anchor pole internal force exterior measuring of the invention includes as follows
Step：1. in anchor pole（1）Upper installation counter-force mould 3, makes the front end of counter-force mould 3 be against on the anchor pole beam 103 of anchor pole, counter-force mould
Tool 3 has hollow cavity 300；2. make perforation pad 2 through anchor pole steel strand wires 101 and will perforate pad be located at anchor pole folder
At the lateral wall of the intermediate plate of chip anchorage 102 and in the cavity 300 of counter-force mould, have and steel on perforation pad 2
Identical and concentric with steel strand wires hole on strand tapered anchorage 102 perforate 201 of the quantity of twisted wire 101；3. anchor rod drawing instrument is installed
7, specific method is to set gradually preceding backing plate 701, punched-type jack 702, rear backing plate 703, the intermediate plate of installing anchor rod drawing instrument
The first anchorage of formula 704, makes the rear end of counter-force mould 3 be against on the lateral wall of preceding backing plate 701 of anchor rod drawing instrument；4. anchor pole is entered
Row precompressed, makes above-mentioned counter-force mould 3, perforation pad 2, anchor rod drawing instrument 7 and described steel strand wires 101（It is fixed）With one heart；5. exist
Lay fixed matrix 5 in the both sides of counterforce device 3（Matrix can be steel pipe）, displacement transducer 4 is arranged on magnetic power meter
Seat 6 on and be located in the cavity 300, magnetic stand 6 is fixed in the described matrix 5 of non-displacement, makes displacement sensing
The installation direction of device 4 is consistent with the draw direction of steel strand wires 101（It is parallel）, make the gauge head and perforation pad 2 of displacement transducer 4
Displacement measurement on surface is selected on the lateral wall of 202 intermediate plates for being in contact and pad 2 of perforating being withstood on into strand tapered anchorage 102；⑥
Grading tension is carried out, while observing the displacement of perforation pad, when pad of perforating is subjected to displacement, anchor rod drawing instrument applying power is recorded
Reading, judges force value in anchor pole.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the thickness of above-mentioned perforation pad 2 is 1 ~ 1.5mm（Thickness is unsuitable blocked up, no
More than 1.5mm）, diameter of the diameter more than strand tapered anchorage of perforation pad 2, the quantity of above-mentioned steel strand wires 101 is three, is worn
The quantity of the perforate 201 is three on the pad of hole（Certain perforate can also be single hole, and the quantity of perforate can also be it
It is worth, and the quantity of perforate is identical with the quantity of steel strand wires 101, and the quantity of steel strand wires 101 can be one to four, then the number of perforate
Measure as one to four）, the diameter of each perforate 201 all more than steel strand wires 101 diameter and less than strand tapered anchorage 102
The diameter of intermediate plate.Above-mentioned counter-force mould 3 is by front spring（That is lower steel plate）303rd, rear steel plate（That is upper steel plate）301st, positioned at preceding steel
Four steel pipes 302 between plate 303 and rear steel plate 301 are constituted, and front spring 303 and rear steel plate 301 all have for steel strand wires 101
The centre bore 304 passed through, the diameter of the centre bore 304 is more than the diameter of perforation pad 2.The center line of four steel pipes 302
The line of projection in the horizontal plane constitutes square, and four area defined of steel pipe 302 form the cavity 300, preceding steel
Plate, the thickness of rear steel plate are all 15mm, and the wall thickness of every steel pipe steel pipe 302 is all 7mm.Every steel pipe and front spring, rear steel plate
Connection strictly press design attitude firm welding, it is ensured that it has enough intensity as counter-force.The quantity of upper displacement sensors 4
For three, the quantity of magnetic stand 6 is three, and the quantity of matrix 5 is three, and each matrix is all a common steel tube, position
Displacement sensor, magnetic stand, matrix are corresponding one by one, and each displacement transducer is by a magnetic stand corresponding thereto
It is fixed on a matrix.The quantity for the displacement measurement point 202 perforated on the surface of pad 2 is three, three displacement measurement points
202 press equilateral triangle position distribution（The line of i.e. three displacement measurement points constitutes equilateral triangle）, perforate pad 2 surface on
The position of each displacement measurement point 202 all has a pit（Depression）, the gauge head of each displacement transducer 4 stretches into corresponding thereto
A pit answering and it is spacing by the pit.Ensure that perforation pad is connected through steel strand wires and intermediate plate during installation to twist without contacting steel
Line, three displacement transducers should be arranged vertically with preceding backing plate, rear backing plate.
Above embodiment of the present invention is with three steel strand anchor rods（Three hole anchorages）Exemplified by be described.This（Invention）Inspection
The method that survey method changes traditional internal force detection, without carrying out any processing to anchor pole in the work progress of anchor pole, no
Need to set any equipment and instrument in anchor rod body, detection means of the invention includes conventional anchor rod drawing instrument, displacement sensing
Device and counter-force mould, it is simple in construction, full inspection can be accomplished, or suspicious anchor pole is taken a sample test, it can accomplish to any anchor pole
Detected.The present invention have Non-Destructive Testing, once input, it is easy to detect, influenceed the features such as small, precision is high by external environment.
This detection method adapts to the anchor pole fixed for single steel strand and many steel strand wires strand tapered anchorages, is also applied for clip type anchor
Tool fixes the detection of other prestressed reinforced concrete construction internal force.
Compared with the spring resistance type anchor stem dynamometer disclosed in CN201408095Y, structure of the invention is different from,
The invention belongs to anchor pole internal force exterior measuring method, and described spring resistance type anchor stem dynamometer belongs to survey method in anchor pole internal force,
Equipment is in detection (monitoring）After the completion of hardly possible reclaimed.It is of the invention to carry out Experimental Comparison with traditional monitoring method, it is of the invention
Instrument and equipment Meteorological reduces more than 80%, and legacy equipment is generally disposable, it is difficult to accomplish to recycle.In monitoring accuracy
Aspect, by carrying out multiple comparison test with conventional monitoring methods, correction data deviation value of the invention is within 1%, and precision is accurate
It is really reliable.
Claims (8)
1. a kind of detection means of anchor pole internal force exterior measuring, with anchor pole（1）, anchor pole（1）With steel strand wires（101）, clip type anchor
Tool（102）, on the outside of anchor pole termination anchor pole beam（103）, it is characterised in that the detection means of described anchor pole internal force exterior measuring
Also there is the counter-force mould for being used for providing counter-force（3）, perforation pad（2）, magnetic stand（6）, displacement transducer（4）, non-displacement
Matrix（5）, anchor rod drawing instrument（7）, displacement transducer（4）Installed in magnetic stand（6）On, magnetic stand（6）It is fixed on institute
State matrix（5）On, anchor rod drawing instrument（7）With preceding backing plate（701）, rear backing plate（703）, between preceding backing plate and rear backing plate
Punched-type jack（702）, be arranged at rear backing plate（703）On the anchorage of clip type first（704）；
Above-mentioned counter-force mould（3）Front end be against described anchor pole beam（103）On, counter-force mould（3）Rear end be against anchor pole
The preceding backing plate of drawing instrument（701）Lateral wall on, counter-force mould（3）With hollow cavity（300）, pad of perforating（2）It is located at
Strand tapered anchorage（102）Intermediate plate lateral wall at and positioned at counter-force mould the cavity（300）It is interior, pad of perforating（2）On
Have and steel strand wires（101）Quantity is identical and and strand tapered anchorage（102）On the concentric perforate in steel strand wires hole（201）, on
Displacement sensors（4）Positioned at the cavity（300）It is interior, displacement transducer（4）Installation direction and the steel strand wires（101）'s
Draw direction is consistent, displacement transducer（4）Gauge head with perforation pad（2）Surface on displacement measurement point（202）It is in contact
And the pad that will perforate（2）Withstand on strand tapered anchorage（102）Intermediate plate lateral wall on；
Above-mentioned steel strand wires（101）From strand tapered anchorage（102）After passing, by pad of perforating（2）On perforate（201）, it is anti-
The cavity of power mould（300）, preceding backing plate（701）Centre bore, punched-type jack（702）Centre bore, rear backing plate
（703）Centre bore and from the anchorage of clip type first（704）Intermediate plate in stretch out.
2. the detection means of anchor pole internal force exterior measuring according to claim 1, it is characterised in that above-mentioned perforation pad（2）'s
Thickness is 1 ~ 1.5mm, pad of perforating（2）Diameter be more than strand tapered anchorage diameter, above-mentioned steel strand wires（101）Quantity be
Three, perforation pad on the perforate（201）Quantity be three, each perforate（201）Diameter all be more than steel strand wires
（101）Diameter and less than strand tapered anchorage（102）Intermediate plate diameter.
3. the detection means of anchor pole internal force exterior measuring according to claim 1, it is characterised in that above-mentioned counter-force mould（3）By
Front spring（303）, rear steel plate（301）, positioned at front spring（303）With rear steel plate（301）Between four steel pipes（302）Constitute,
Front spring（303）With rear steel plate（301）All having is used for steel strand wires（101）The centre bore passed through（304）, the centre bore（304）
Diameter be more than perforation pad（2）Diameter, four steel pipes（302）Center line projection in the horizontal plane line
Constitute square, four steel pipes（302）Area defined forms the cavity（300）, front spring, the thickness of rear steel plate are all
15mm, every steel pipe steel pipe（302）Wall thickness be all 7mm.
4. the detection means of anchor pole internal force exterior measuring according to claim 1, it is characterised in that upper displacement sensors（4）'s
Quantity is three, magnetic stand（6）Quantity be three, matrix（5）Quantity be three, each matrix is all one common
Steel pipe, displacement transducer, magnetic stand, matrix are corresponding one by one, and each displacement transducer passes through a magnetic corresponding thereto
Power gauge stand and be fixed on a matrix, perforate pad（2）Surface on displacement measurement point（202）Quantity be three, three
Individual displacement measurement point（202）By equilateral triangle position distribution, pad of perforating（2）Surface in each displacement measurement point（202）
Position all there is pit, each displacement transducer（4）Gauge head stretch into a pit corresponding thereto and recessed by this
Hole is spacing.
5. a kind of detection method of anchor pole internal force exterior measuring, it is characterised in that it comprises the following steps：1. in anchor pole（1）It is upper to install anti-
Power mould（3）, make counter-force mould（3）Front end be against the anchor pole beam of anchor pole（103）On, counter-force mould（3）With hollow chamber
Body（300）；2. perforation pad is made（2）Through the steel strand wires of anchor pole（101）And pad of perforating is located to the strand tapered anchorage of anchor pole
（102）Intermediate plate lateral wall at and positioned at counter-force mould the cavity（300）It is interior, pad of perforating（2）It is upper to have and steel strand
Line（101）Quantity is identical and and strand tapered anchorage（102）On the concentric perforate in steel strand wires hole（201）；3. anchor pole is installed to draw
Pull out instrument（7）, specifically set gradually the preceding backing plate for installing anchor rod drawing instrument（701）, punched-type jack（702）, rear backing plate
（703）, the anchorage of clip type first（704）, make counter-force mould（3）Rear end be against the preceding backing plate of anchor rod drawing instrument（701）It is outer
On the wall of side；4. precompressed is carried out to anchor pole, makes above-mentioned counter-force mould（3）, perforation pad（2）, anchor rod drawing instrument（7）With described steel
Twisted wire（101）With one heart；5. in counterforce device（3）Both sides lay fixed matrix（5）, by displacement transducer（4）Install
In magnetic stand（6）Go up and be located at the cavity（300）It is interior, by magnetic stand（6）It is fixed on the described matrix of non-displacement
（5）On, make displacement transducer（4）Installation direction and steel strand wires（101）Draw direction it is consistent, make displacement transducer（4）'s
Gauge head and perforation pad（2）Surface on displacement measurement point（202）It is in contact and the pad that will perforate（2）Withstand on strand tapered anchorage
（102）Intermediate plate lateral wall on；6. grading tension is carried out, while the displacement of perforation pad is observed, when position occurs for perforation pad
During shifting, anchor rod drawing instrument applying power reading is recorded, force value in anchor pole is judged.
6. the detection method of anchor pole internal force exterior measuring according to claim 5, it is characterised in that above-mentioned perforation pad（2）'s
Thickness is 1 ~ 1.5mm, pad of perforating（2）Diameter be more than strand tapered anchorage diameter, above-mentioned steel strand wires（101）Quantity be
Three, perforation pad on the perforate（201）Quantity be three, each perforate（201）Diameter all be more than steel strand wires
（101）Diameter and less than strand tapered anchorage（102）Intermediate plate diameter.
7. the detection method of anchor pole internal force exterior measuring according to claim 5, it is characterised in that above-mentioned counter-force mould（3）By
Front spring（303）, rear steel plate（301）, positioned at front spring（303）With rear steel plate（301）Between four steel pipes（302）Constitute,
Front spring（303）With rear steel plate（301）All having is used for steel strand wires（101）The centre bore passed through（304）, the centre bore（304）
Diameter be more than perforation pad（2）Diameter, four steel pipes（302）Center line projection in the horizontal plane line
Constitute square, four steel pipes（302）Area defined forms the cavity（300）, front spring, the thickness of rear steel plate are all
15mm, every steel pipe steel pipe（302）Wall thickness be all 7mm.
8. the detection method of anchor pole internal force exterior measuring according to claim 5, it is characterised in that above-mentioned displacement transducer（4）
Quantity be three, magnetic stand（6）Quantity be three, matrix（5）Quantity be three, each matrix is all one general
Logical steel pipe, displacement transducer, magnetic stand, matrix are corresponding one by one, and each displacement transducer passes through one corresponding thereto
Magnetic stand and be fixed on a matrix, perforate pad（2）Surface on displacement measurement point（202）Quantity be three,
Three displacement measurement points（202）By equilateral triangle position distribution, pad of perforating（2）Surface in each displacement measurement point
（202）Position all there is pit, each displacement transducer（4）Gauge head stretch into a pit corresponding thereto and by
The pit is spacing.
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| CN107907419A (en) * | 2017-12-28 | 2018-04-13 | 山西首科工程质量检测有限公司 | A kind of electromagnetic induction drawing instrument |
| CN108827208A (en) * | 2018-08-10 | 2018-11-16 | 甘肃智通科技工程检测咨询有限公司 | A kind of anchor clipper, steel strand wires relative shift self-operated measuring unit |
| CN109163180A (en) * | 2018-10-09 | 2019-01-08 | 襄阳中铁宏吉工程技术有限公司 | It is a kind of to be easily installed in the displacement sensor of automated tool anchor |
| CN110761344A (en) * | 2019-12-02 | 2020-02-07 | 山东建勘集团有限公司 | Construction method and device of anchor rod internal force monitoring system |
| CN113202090A (en) * | 2021-04-15 | 2021-08-03 | 中国葛洲坝集团第一工程有限公司 | Tension type anchoring device capable of monitoring deformation and construction method thereof |
| CN113503180A (en) * | 2021-09-13 | 2021-10-15 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
| CN114396085A (en) * | 2022-02-17 | 2022-04-26 | 大成科创基础建设股份有限公司 | Stress detection method of glass fiber anchor rod |
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| CN113202090B (en) * | 2021-04-15 | 2024-03-12 | 中国葛洲坝集团第一工程有限公司 | Tensioning type anchoring device capable of monitoring deformation and construction method thereof |
| CN113503180A (en) * | 2021-09-13 | 2021-10-15 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
| CN113503180B (en) * | 2021-09-13 | 2021-11-16 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
| CN114396085A (en) * | 2022-02-17 | 2022-04-26 | 大成科创基础建设股份有限公司 | Stress detection method of glass fiber anchor rod |
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