CN107130651B - The detection device and its detection method of anchor pole internal force exterior measuring - Google Patents
The detection device and its detection method of anchor pole internal force exterior measuring Download PDFInfo
- Publication number
- CN107130651B CN107130651B CN201710554654.2A CN201710554654A CN107130651B CN 107130651 B CN107130651 B CN 107130651B CN 201710554654 A CN201710554654 A CN 201710554654A CN 107130651 B CN107130651 B CN 107130651B
- Authority
- CN
- China
- Prior art keywords
- anchor pole
- gasket
- steel
- force
- counter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- 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
Abstract
A kind of detection device and its detection method of anchor pole internal force exterior measuring, detection device have anchor pole, counter-force mold, perforation gasket, magnetic stand, displacement sensor, matrix, anchor rod drawing instrument.Displacement sensor is mounted on magnetic stand, and magnetic stand is fixed on matrix；The front end of counter-force mold is against on anchor pole beam, the rear end of counter-force mold is against on the lateral wall of preceding backing plate of anchor rod drawing instrument, at the lateral wall for the intermediate plate that gasket of perforating is arranged on strand tapered anchorage and in the cavity of counter-force mold, displacement sensor is within the cavity, and the gauge head of displacement sensor is selected with the displacement measurement on the surface for gasket of perforating on the lateral wall for the intermediate plate for being in contact and gasket of perforating being withstood on strand tapered anchorage.The present invention also provides the detection methods of anchor pole internal force exterior measuring.The present invention is economical and practical, and reliably, 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 be detected any anchor pole.
Description
Technical field
The present invention relates to force checking device in a kind of anchor pole more particularly to a kind of geotechnical slope is reinforced and pattern foundation pit supporting structure anchor pole
Interior force checking device is specifically a kind of detection device of anchor pole internal force exterior measuring, belongs to measuring appliance technical field.The present invention also relates to
And a kind of anchor pole internal force detection method more particularly to a kind of geotechnical slope are reinforced 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 it is 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）Difficulty is recycled after finishing, and so as to cause to waste, and precision is by installation method and instrument essence
Degree is affected.
Traditional detection method must dispose instrument and equipment in advance in the construction process, it is necessary to the progress synchronous with construction done,
Instrument and equipment Meteorological is higher, it is difficult to accomplishes to recycle, it is mostly to take a sample test to consider that factors above traditional detection method shows form,
The anchor pole for disposing 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 contain hollow cylinder, and the spring extended along barrel lenght direction, the bullet are mounted in the middle part of the cylinder
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
State the sheet metal for being cased with being electrically connected on resistance wire, 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 that respective change occurs, so as to
To measure the variation of anchor pole (rope) internal force, achieve the purpose that safety detection.CN201548191U discloses a kind of for building knot
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 mounted 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 and becomes with axial
The testing stand and test method of shape.The drilling model for anchoring rod, anchor pole one are equipped in 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；Stretch top
Thrusting action is in impact beam under the drive of driving mechanism for beam, so that anchor pole bears axial tensile loads and axial tension change occurs
Shape；Between load sensor is located at impact beam and stretches top beam, for testing axial tensile loads, displacement sensor is installed respectively
In the both ends of anchor pole, for testing axial deflection.
The above technology is economical and practical for accomplishing how the detection of anchor pole internal force, and reliably, accuracy of detection is high, and in anchor
Without carrying out any processing to anchor pole in the work progress of bar, it can accomplish full inspection or suspicious anchor pole is taken a sample test, not provide
Specific guidance program.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of detection devices of anchor pole internal force exterior measuring, 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 be detected any anchor pole.
For this purpose, 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 device of anchor pole internal force exterior measuring, has anchor pole, and anchor pole has steel strand wires, strand tapered anchorage（Engineering anchor,
Work anchor）, on the outside of anchor pole end anchor pole beam, technical solution is the detection device of the anchor pole internal force exterior measuring also
With for provide the counter-force mold of counter-force, perforation gasket, magnetic stand, displacement sensor, the matrix of non-displacement, anchor rod drawing
Instrument, displacement sensor be mounted 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 first anchorage of clip type being arranged on rear backing plate afterwards（Work
Has anchor）；The front end of above-mentioned counter-force mold is against on the anchor pole beam, before the rear end of counter-force mold is against anchor rod drawing instrument
On the lateral wall of backing plate, counter-force mold has hollow cavity, and perforation gasket is at the lateral wall of the intermediate plate of strand tapered anchorage
And positioned at counter-force mold the cavity in, perforate gasket on have and steel strand wires quantity it is identical and on strand tapered anchorage
The concentric perforate in steel strand wires hole, upper displacement sensors are located in the cavity, the installation direction of displacement sensor and the steel
The draw direction of twisted wire is consistent, and the gauge head of displacement sensor is in contact with the displacement measurement point on the surface for gasket of perforating and will wear
Hole gasket 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 pierced by, by perforation
Perforate, the cavity of counter-force mold, the centre bore of preceding backing plate, the centre bore of punched-type jack, rear backing plate on gasket
Centre bore and stretched out from the intermediate plate of the first anchorage of clip type.
In above-mentioned technical proposal, the thickness of the perforation gasket is preferably 1 ~ 1.5mm, and the diameter for gasket of perforating 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 gasket of perforating, each
The diameter of the perforate is less than the diameter of the intermediate plate of strand tapered anchorage all more than the diameter of steel strand wires.Above-mentioned counter-force mold by
Front spring, rear steel plate, four steel pipes between front spring and rear steel plate are formed, and front spring and rear steel plate all have for steel
The centre bore that twisted wire passes through, the diameter of the centre bore are more than the diameter of perforation gasket, and the center line of four steel pipes is in level
The line of projection in face forms 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 can be all 7mm.The quantity of upper displacement sensors can be three, accordingly
Ground, the quantity of magnetic stand is three, and the quantity of matrix is three, and each matrix is preferably all a common steel tube, and displacement passes
Sensor, magnetic stand, matrix are corresponding one by one, and each displacement sensor is fixed by a magnetic stand corresponding thereto
On a matrix, the quantity of the displacement measurement point on the surface for gasket of perforating is three, and three displacement measurements press positive triangle
Shaped position is distributed, and all has that there are one pit, each displacement sensings on the surface for gasket of perforating in the position of each displacement measurement point
The gauge head of device stretches into a pit corresponding thereto and by the pit /V.
In above-mentioned technical proposal, the detection method of anchor pole internal force exterior measuring includes the following steps：1. counter-force is installed on anchor pole
Mold makes the front end of counter-force mold be against on the anchor pole beam of anchor pole, and counter-force mold has hollow cavity；2. wear perforation gasket
It crosses the steel strand wires of anchor pole and is arranged on gasket of perforating at the lateral wall of the intermediate plate of the strand tapered anchorage of anchor pole and positioned at counter-force mold
The cavity in, perforate gasket on have and steel strand wires quantity it is identical and concentric with the steel strand wires hole on strand tapered anchorage
Perforate；3. installing anchor rod drawing instrument, the preceding backing plate, punched-type jack, rear pad of installation anchor rod drawing instrument are specifically set gradually
Plate, the first anchorage of clip type, make the rear end of counter-force mold be against on the lateral wall of preceding backing plate of anchor rod drawing instrument；④（To intermediate plate
The first anchorage of formula exert a force and）Precompressed is carried out to anchor pole, makes above-mentioned counter-force mold, perforation gasket, anchor rod drawing instrument and the steel
Twisted wire is concentric；5. placing fixed matrix in the both sides of counter-force mold, displacement sensor is mounted on magnetic stand simultaneously
It is located in the cavity, magnetic stand is fixed in the described matrix of non-displacement, make the installation direction of displacement sensor
It is consistent with the draw direction of steel strand wires, the gauge head of displacement sensor is made to be in contact with the displacement measurement point on the surface for gasket of perforating
And on the lateral wall for the intermediate plate that gasket of perforating is withstood on strand tapered anchorage；6. carrying out grading tension, while observe perforation gasket
Displacement when gasket of perforating is subjected to displacement, records anchor rod drawing instrument applied force 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 provides counter-force, and perforation is set on the anchorage（It is thin）Gasket, perforate gasket on dispose displacement sensor to observe anchorage or
Intermediate plate deforms, and anchor rod drawing instrument is placed on counter-force mold carries out grading tension to anchor pole, while observes gasket displacement, works as gasket
When being subjected to displacement, anchor rod drawing instrument applied force reading is recorded, judges force value in anchor pole.
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, need not set any equipment and instrument in anchor rod body, detection device of the invention includes conventional
Anchor rod drawing instrument, displacement sensor and counter-force mold, it is simple in structure, it can accomplish full inspection or suspicious anchor pole is taken a sample test, it can be with
Accomplish to be detected any anchor pole.The present invention has non-destructive testing, once puts into, is easy to detect, by external environment shadow
Ring the features such as small, precision is high.This detection method is adapted to for single steel strand and the more fixed anchors of steel strand wires strand tapered anchorage
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 conclusion the present invention is economical and practical, reliably, 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 be detected any anchor pole.
Description of the drawings
Fig. 1 is the structure diagram of the detection device of the anchor pole internal force exterior measuring of the present invention.
Fig. 2 is the structure diagram of counter-force mold in the present invention（Front view）.
Fig. 3 is along the sectional view of line A-A in Fig. 2.
Fig. 4 is the structure diagram of middle punch gasket of the present invention（Front view）.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3, Figure 4, the detection device of anchor pole internal force exterior measuring of the invention has anchor pole
1, anchor pole 1 have steel strand wires 101, strand tapered anchorage 102, on the outside of anchor pole end anchor pole beam 103（It can band on anchor pole beam
There is one block of steel plate）.It is characterized in that the detection device of the anchor pole internal force exterior measuring also has the counter-force mould for providing counter-force
Tool 3, perforation gasket 2, magnetic stand 6, displacement sensor 4, the matrix 5 of non-displacement, anchor rod drawing instrument 7.Reference numeral 8 is bank protection
Stake.Displacement sensor 4 can be inductive frequency waterproof displacement sensor, which passes through cable connection numerical monitor
Device.Displacement sensor 4 is mounted on magnetic stand 6, and magnetic stand 6 is fixed in described matrix 5, and such displacement sensor 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 mold 3 is against on the anchor pole beam 103, the rear end of counter-force mold 3
It is against on the lateral wall of preceding backing plate 701 of anchor rod drawing instrument, counter-force mold 3 has hollow cavity 300, and perforation gasket 2 is arranged on
At the lateral wall of the intermediate plate of strand tapered anchorage 102 and positioned at counter-force mold the cavity 300 in, perforate gasket 2 on have and
Identical and concentric with the 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 sensor 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 gasket 2 surface on displacement measurement select 202 be in contact and will perforation gasket 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 pierced by, by gasket 2 of perforating
On perforate 201, the cavity 300 of counter-force mold, the centre bore of preceding backing plate 701, punched-type jack 702 centre bore,
Afterwards the centre bore of backing plate 703 and stretched out from the intermediate plate of the first anchorage of clip type 704.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the thickness of above-mentioned perforation gasket 2 is 1 ~ 1.5mm（Thickness is unsuitable blocked up, no
More than 1.5mm）, perforation gasket 2 can be thin round steel sheet, and the diameter of perforation gasket 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 gasket of perforating（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 mold 3 by（It is circular）Front spring（Descend steel
Plate）303、（It is circular）Steel plate afterwards（That is upper steel plate）301st, four 302 structures of steel pipe 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 gasket 2.The line of the projection of the center line of four steel pipes 302 in the horizontal plane forms square
Shape, four 302 area defined of steel pipe form the cavity 300, and front spring, the thickness of rear steel plate are all 15mm, every steel
The wall thickness of pipe 302 is all 7mm.Design position firm welding is strictly pressed in the connection of every steel pipe and front spring, rear steel plate, ensures it
There is enough intensity as counter-force.The quantity of upper displacement sensors 4 is three, and the quantity of magnetic stand 6 is three, matrix
5 quantity is three, and each matrix is all a common steel tube, and displacement sensor, magnetic stand, matrix are corresponding one by one, often
A displacement sensor is fixed on by a magnetic stand corresponding thereto on a matrix.It perforates on the surface of gasket 2
Displacement measurement point 202 quantity for three, three displacement measurement points 202 press equilateral triangle position distribution（I.e. three displacements are surveyed
The line of pilot forms equilateral triangle）, perforate gasket 2 surface on all have in the position of each displacement measurement point 202 there are one
Pit（Recess）, the gauge head of each displacement sensor 4 stretches into a pit corresponding thereto and by the pit /V.During installation
Ensure that perforation gasket is connected with intermediate plate without contacting steel strand wires through steel strand wires, three displacement sensors should be with preceding backing plate, rear pad
Plate is arranged vertically.
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 mold 3, makes the front end of counter-force mold 3 be against on the anchor pole beam 103 of anchor pole, counter-force mould
Tool 3 has hollow cavity 300；2. make perforation gasket 2 that gasket of perforating be arranged on to the folder of anchor pole through the steel strand wires 101 of anchor pole
At the lateral wall of the intermediate plate of chip anchorage 102 and in the cavity 300 of counter-force mold, have and steel on gasket 2 of perforating
Identical and concentric with the 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 preceding backing plate 701, punched-type jack 702, rear backing plate 703, the intermediate plate for setting gradually installation anchor rod drawing instrument
The first anchorage of formula 704 makes the rear end of counter-force mold 3 be against on the lateral wall of preceding backing plate 701 of anchor rod drawing instrument；4. to anchor pole into
Row precompressed makes above-mentioned counter-force mold 3, perforation gasket 2, anchor rod drawing instrument 7 and the steel strand wires 101（It is fixed）With one heart；5.
Place fixed matrix 5 in the both sides of counter-force mold 3（Matrix can be steel pipe）, displacement sensor 4 is mounted on magnetic power meter
It on seat 6 and is 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 of displacement sensor 4 and perforation gasket 2
Displacement measurement on surface is selected on the lateral wall of 202 intermediate plates for being in contact and gasket 2 of perforating being withstood on strand tapered anchorage 102；⑥
Grading tension is carried out, while observes the displacement of perforation gasket, when gasket of perforating is subjected to displacement, records anchor rod drawing instrument applied force
Reading judges force value in anchor pole.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the thickness of above-mentioned perforation gasket 2 is 1 ~ 1.5mm（Thickness is unsuitable blocked up, no
More than 1.5mm）, for the diameter of perforation gasket 2 more than the diameter of strand tapered anchorage, the quantity of above-mentioned steel strand wires 101 is three, is worn
The quantity of the perforate 201 is three on the gasket 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
It measures 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 mold 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 formed, 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 are more than the diameter of perforation gasket 2.The center line of four steel pipes 302
The line of projection in the horizontal plane forms square, and four 302 area defined of steel pipe form the cavity 300, preceding steel
Plate, the thickness of rear steel plate are all 15mm, and the wall thickness of every steel pipe 302 is all 7mm.Every steel pipe and front spring, the company of rear steel plate
It connects strictly by design position firm welding, ensures that it has enough intensity as counter-force.The quantity of upper displacement sensors 4 is three
A, 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, and displacement passes
Sensor, magnetic stand, matrix are corresponding one by one, and each displacement sensor is fixed by a magnetic stand corresponding thereto
On a matrix.The quantity for the displacement measurement point 202 perforated on the surface of gasket 2 is three, and three displacement measurement points 202 are pressed
Equilateral triangle position distribution（The line of i.e. three displacement measurement points forms equilateral triangle）, perforate gasket 2 surface on each
The position of displacement measurement point 202 all has there are one pit（Recess）, the gauge head of each displacement sensor 4 stretches into corresponding thereto
One pit and by the pit /V.Ensure that perforation gasket is connected with intermediate plate without contacting steel strand wires through steel strand wires during installation,
Three displacement sensors 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
It needs to set any equipment and instrument in anchor rod body, detection device of the invention includes conventional anchor rod drawing instrument, displacement sensing
Device and counter-force mold, it is simple in structure, it can accomplish full inspection or suspicious anchor pole is taken a sample test, can accomplish to any anchor pole
It is detected.The present invention has the characteristics that non-destructive testing, once puts into, is easy to detect, being influenced that small, precision is high by external environment.
This detection method adapts to, for single steel strand and the more fixed anchor poles of steel strand wires strand tapered anchorage, be 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 the spring resistance type anchor stem dynamometer belongs to survey method in anchor pole internal force,
Equipment is in detection (monitoring）Difficulty is recycled after finishing.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 traditional equipment is mostly disposable, it is difficult to accomplish to recycle.In monitoring accuracy
Aspect, by carrying out multiple comparison test with conventional monitoring methods, for correction data deviation value of the invention within 1%, precision is accurate
It is really reliable.
Claims (8)
1. a kind of detection device of anchor pole internal force exterior measuring has anchor pole（1）, anchor pole（1）With steel strand wires（101）, clip type anchor
Tool（102）, on the outside of anchor pole end anchor pole beam（103）, it is characterised in that the detection device of the anchor pole internal force exterior measuring
Also there is the counter-force mold for providing counter-force（3）, perforation gasket（2）, magnetic stand（6）, displacement sensor（4）, non-displacement
Matrix（5）, anchor rod drawing instrument（7）, displacement sensor（4）Mounted on 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 first anchorage of clip type（704）；
Above-mentioned counter-force mold（3）Front end be against the anchor pole beam（103）On, counter-force mold（3）Rear end be against anchor pole
The preceding backing plate of drawing instrument（701）Lateral wall on, counter-force mold（3）With hollow cavity（300）, gasket of perforating（2）It is arranged on
Strand tapered anchorage（102）Intermediate plate lateral wall at and positioned at counter-force mold the cavity（300）It is interior, gasket 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 sensor（4）Installation direction and the steel strand wires（101）'s
Draw direction is consistent, displacement sensor（4）Gauge head with perforation gasket（2）Surface on displacement measurement point（202）It is in contact
And the gasket 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 being pierced by, by gasket of perforating（2）On perforate（201）, it is anti-
The cavity of power mold（300）, preceding backing plate（701）Centre bore, punched-type jack（702）Centre bore, rear backing plate
（703）Centre bore and from the first anchorage of clip type（704）Intermediate plate in stretch out.
2. the detection device of anchor pole internal force exterior measuring according to claim 1, it is characterised in that above-mentioned perforation gasket（2）'s
Thickness is 1 ~ 1.5mm, gasket of perforating（2）Diameter be more than strand tapered anchorage diameter, above-mentioned steel strand wires（101）Quantity be
Three, perforate gasket on the perforate（201）Quantity for 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 device of anchor pole internal force exterior measuring according to claim 1, it is characterised in that above-mentioned counter-force mold（3）By
Front spring（303）, rear steel plate（301）, positioned at front spring（303）With rear steel plate（301）Between four steel pipes（302）It forms,
Front spring（303）With rear steel plate（301）All have for steel strand wires（101）The centre bore passed through（304）, the centre bore（304）
Diameter be more than perforation gasket（2）Diameter, four steel pipes（302）Center line projection in the horizontal plane line
Form 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（302）Wall thickness be all 7mm.
4. the detection device 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 for three, matrix（5）Quantity for three, each matrix is all one common
Steel pipe, displacement sensor, magnetic stand, matrix are corresponding one by one, and each displacement sensor passes through a magnetic corresponding thereto
Power gauge stand and be fixed on a matrix, perforate gasket（2）Surface on displacement measurement point（202）Quantity for three, three
A displacement measurement point（202）By equilateral triangle position distribution, gasket of perforating（2）Surface in each displacement measurement point（202）
Position all have there are one pit, each displacement sensor（4）Gauge head stretch into a pit corresponding thereto and recessed by this
Cheat /V.
5. a kind of detection method of anchor pole internal force exterior measuring, it is characterised in that it includes the following steps：1. in anchor pole（1）Upper installation is anti-
Power mold（3）, make counter-force mold（3）Front end be against the anchor pole beam of anchor pole（103）On, counter-force mold（3）With hollow chamber
Body（300）；2. make perforation gasket（2）Through the steel strand wires of anchor pole（101）And gasket of perforating is arranged on to the strand tapered anchorage of anchor pole
（102）Intermediate plate lateral wall at and positioned at counter-force mold the cavity（300）It is interior, gasket 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 first anchorage of clip type（704）, make counter-force mold（3）Rear end be against the preceding backing plate of anchor rod drawing instrument（701）It is outer
On side wall；4. carrying out precompressed to anchor pole, make above-mentioned counter-force mold（3）, perforation gasket（2）, anchor rod drawing instrument（7）With the steel
Twisted wire（101）With one heart；5. in counter-force mold（3）Both sides place fixed matrix（5）, by displacement sensor（4）Installation
In magnetic stand（6）It goes up and is 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 sensor（4）Installation direction and steel strand wires（101）Draw direction it is consistent, make displacement sensor（4）'s
Gauge head and perforation gasket（2）Surface on displacement measurement point（202）It is in contact and the gasket that will perforate（2）Withstand on strand tapered anchorage
（102）Intermediate plate lateral wall on；6. carrying out grading tension, while the displacement of perforation gasket is observed, when position occurs for perforation gasket
During shifting, anchor rod drawing instrument applied force reading is recorded, judges force value in anchor pole.
6. the detection method of anchor pole internal force exterior measuring according to claim 5, it is characterised in that above-mentioned perforation gasket（2）'s
Thickness is 1 ~ 1.5mm, gasket of perforating（2）Diameter be more than strand tapered anchorage diameter, above-mentioned steel strand wires（101）Quantity be
Three, perforate gasket on the perforate（201）Quantity for 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 mold（3）By
Front spring（303）, rear steel plate（301）, positioned at front spring（303）With rear steel plate（301）Between four steel pipes（302）It forms,
Front spring（303）With rear steel plate（301）All have for steel strand wires（101）The centre bore passed through（304）, the centre bore（304）
Diameter be more than perforation gasket（2）Diameter, four steel pipes（302）Center line projection in the horizontal plane line
Form 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（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 sensor（4）
Quantity for three, magnetic stand（6）Quantity for three, matrix（5）Quantity for three, each matrix is all one general
Logical steel pipe, displacement sensor, magnetic stand, matrix are corresponding one by one, and each displacement sensor passes through one corresponding thereto
Magnetic stand and be fixed on a matrix, perforate gasket（2）Surface on displacement measurement point（202）Quantity for three,
Three displacement measurement points（202）By equilateral triangle position distribution, gasket of perforating（2）Surface in each displacement measurement point
（202）Position all have there are one pit, each displacement sensor（4）Gauge head stretch into a pit corresponding thereto and by
The pit /V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554654.2A CN107130651B (en) | 2017-07-10 | 2017-07-10 | The detection device and its detection method of anchor pole internal force exterior measuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554654.2A CN107130651B (en) | 2017-07-10 | 2017-07-10 | The detection device and its detection method of anchor pole internal force exterior measuring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107130651A CN107130651A (en) | 2017-09-05 |
| CN107130651B true CN107130651B (en) | 2018-05-18 |
Family
ID=59737718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710554654.2A Active CN107130651B (en) | 2017-07-10 | 2017-07-10 | The detection device and its detection method of anchor pole internal force exterior measuring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107130651B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109163180B (en) * | 2018-10-09 | 2024-01-02 | 株洲时代新材料科技股份有限公司 | Displacement sensor convenient to install in automatic tool anchor |
| 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 |
| 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 |
| CN114396085B (en) * | 2022-02-17 | 2023-06-30 | 大成科创基础建设股份有限公司 | Stress detection method for glass fiber anchor rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150107992A (en) * | 2014-03-14 | 2015-09-24 | 윤성순 | The Measurement Apparatus and Method Measuring the Depth of the Ground that has been Drilled Using a Mandrel Perforating Apparatus |
| US9360397B1 (en) * | 2014-07-02 | 2016-06-07 | William H Melton | Anchor inspection device |
| CN205449674U (en) * | 2015-12-30 | 2016-08-10 | 河南理工大学 | Experimental die pull - displacement monitoring devices is drawn to laboratory stock |
| CN106768573A (en) * | 2016-12-29 | 2017-05-31 | 广东省航运规划设计院有限公司 | A kind of anti-eccentric of prestressed anchor dynamometer |
| CN206902781U (en) * | 2017-07-10 | 2018-01-19 | 河北建科唐秦建筑科技有限公司 | The detection means of anchor pole internal force exterior measuring |
-
2017
- 2017-07-10 CN CN201710554654.2A patent/CN107130651B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150107992A (en) * | 2014-03-14 | 2015-09-24 | 윤성순 | The Measurement Apparatus and Method Measuring the Depth of the Ground that has been Drilled Using a Mandrel Perforating Apparatus |
| US9360397B1 (en) * | 2014-07-02 | 2016-06-07 | William H Melton | Anchor inspection device |
| CN205449674U (en) * | 2015-12-30 | 2016-08-10 | 河南理工大学 | Experimental die pull - displacement monitoring devices is drawn to laboratory stock |
| CN106768573A (en) * | 2016-12-29 | 2017-05-31 | 广东省航运规划设计院有限公司 | A kind of anti-eccentric of prestressed anchor dynamometer |
| CN206902781U (en) * | 2017-07-10 | 2018-01-19 | 河北建科唐秦建筑科技有限公司 | The detection means of anchor pole internal force exterior measuring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107130651A (en) | 2017-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107130651B (en) | The detection device and its detection method of anchor pole internal force exterior measuring | |
| KR101447197B1 (en) | Device of dynamic cone penetrometer test and measuring method of soil compaction using the same | |
| CN107503386A (en) | Anchor rod body holds the detection means and detection method of load | |
| EP1988217A1 (en) | Searching method for acquiring ground information | |
| CN105839678A (en) | Improved pile foundation vertical bearing capacity test reverse self-balanced method and testing device | |
| CN102518106B (en) | Method for determining the lateral earth pressure based on the multi-functional piezocone penetration test probe | |
| CN103335747B (en) | Prestress wire stretching force intelligent detecting method | |
| CN206902781U (en) | The detection means of anchor pole internal force exterior measuring | |
| JP2007284896A (en) | In situ shear strength measuring device and in situ shear strength measuring method | |
| CN105672371A (en) | Existing engineering pile body completeness and defect type judging method | |
| CN208106468U (en) | A kind of device of anchor stress monitoring integrated with deformation | |
| CN114059602A (en) | Anchor cable prestress nondestructive detection system and detection method | |
| CN107271272A (en) | A kind of pan soil intensity and the probe test apparatus and method of structured testing | |
| CN111622275A (en) | Concrete pile foundation detection method | |
| CN203310698U (en) | Coal mine tunnel coal-rock mass anchoring performance testing device | |
| CN110132714B (en) | Device and method for testing deformation parameters of irregular rock mass sample | |
| CN113585365A (en) | Method for detecting steel bar stressometer used for concrete pouring test pile | |
| CN100414283C (en) | Method for testing compressive strength of pit sand concrete in high strength grade through rebound tester without damage | |
| CN110031325B (en) | Pile body stress testing system and method | |
| CN116399725B (en) | Anchor cable dynamic mechanical property testing method and system | |
| CN106767357A (en) | Wall body structure deformation measuring device | |
| CN108387717A (en) | A kind of measuring system and its measurement method of concrete cracking sensitivity | |
| CN208283393U (en) | A kind of measuring system of concrete cracking sensitivity | |
| CN210737618U (en) | Device for verifying internal force test result of foundation pile | |
| CN209468750U (en) | A kind of filled up ground deep layer compactness device for fast detecting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |