CN206829205U - The detecting system of prestress wire anchorage cable stretching power - Google Patents
The detecting system of prestress wire anchorage cable stretching power Download PDFInfo
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- CN206829205U CN206829205U CN201720685897.5U CN201720685897U CN206829205U CN 206829205 U CN206829205 U CN 206829205U CN 201720685897 U CN201720685897 U CN 201720685897U CN 206829205 U CN206829205 U CN 206829205U
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- strand wires
- prestress wire
- rock mass
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 238000004873 anchoring Methods 0.000 claims abstract description 44
- 239000011435 rock Substances 0.000 claims abstract description 34
- 238000005553 drilling Methods 0.000 claims abstract description 31
- 230000001133 acceleration Effects 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 6
- 229910052602 gypsum Inorganic materials 0.000 claims description 6
- 239000010440 gypsum Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of detecting system of prestress wire anchorage cable stretching power, including steel strand wires, rock mass, supporting plate, anchorage, anchoring body, rock mass is provided with drilling, and foot of hole is provided with the anchoring body affixed with rock mass；By borehole anchorage in the anchoring body of foot of hole, the steel strand wires other end passes through supporting plate and anchorage for steel strand wires one end；Supporting plate is arranged at drilling orifice, is anchored in rock mass；Anchorage keeps contacting with supporting plate；Described anchorage is provided with acceleration transducer and click resonator, and acceleration transducer is connected with computer.The utility model is simple in construction, and testing cost is relatively low, safe and reliable, and it not only adapts to large area testing requirements, and adapts to the detection of the effective stretching force for the various fastening members being made up of supporting anchorage of steel strand wires, steel strand wires etc..
Description
Technical field
The anchoring force checking device that Bolted Rock Masses are supported the use by steel strand wires and anchorage is the utility model is related to, especially in advance
The detecting system of prestress steel strand anchorage cable stretching power.
Background technology
Prestress wire anchorage cable anchoring technology is applied widely with its significant technical economic benefit.Early in
1980, the colliery reinforcing engineering in northern Wales, occur using steel reinforcing rock stratum earliest.Algerian She Erfa in 1934
Dam dam heightening works make prestress wire anchor cable earliest.China employs pre- for 1964 in the stabilization of dam foundation of Meishan reservoir first
Prestress steel strand anchor cable, early stage prestress wire anchor cable use steel wire rope, supporting anchorage poor reliability, cause anchoring efficiency
It is low, it is not widely applied.As high strength steel strand and supporting anchorage introduce China, the high strength steel ream that China independently manufactures
The supporting anchorage of line and high anchoring efficiency be largely used to structure, bridge apply prestressing force, form corresponding high strength steel strand and
Supporting anchorage national standard, the development of prestress wire anchorage cable anchoring engineering technology is particularly rapid, has almost touched building and has built
Build the anchoring supports such as high slope, dam, deep basal pit.Particularly extensive high embankment phenomenon makes prestress wire anchorage cable anchoring
Technology becomes particularly important, and it is a kind of active support means, to rock mass（Rock And Soil）The active pressure of offer can be limited effectively
Rock mass deforming of the slope processed and its stability is kept, substantially improve the stress condition of supporting construction, not only alleviate works sheet
Body deadweight, save engineering material, it is often more important that in the severely limited area of lateral spacing, prestress steel twist is used in supporting
Line anchor cable more shows its unique superiority.Such as deep basal pit piled anchor technology, side slope framework prestress wire anchor cable retaining structure
Deng being exactly extremely successful application.But during construction and use, prestress wire anchor cable is inevitably
A certain amount of loss of prestress, loss factor include anchor system retraction, relaxation of steel, Ground crack compression etc., how made pre-
The prestressing force that prestress steel strand anchor cable maintains a long-term stability is a Fundamentals for being related to reinforcing engineering success or failure.If prestressing force
It is significantly less than design load, will causes to anchor disabler；If prestressing force is significantly greater than design load（Ultra stretching）It is likely to result in anchor
Solid destruction, based on this, in order to ensure the safety of effective anchoring function and prestress wire anchor cable in use, have
Necessity makes assessment by convenient and reliable detection means to the prestressing force significant degree of prestress wire anchor cable.Detection at present
Method has by filling sensor, patch foil gauge, the acquisition such as body of rod borehole sonic ranging strain come the prestressing force that converts, for large-engineering
Cost is too high and inconvenient, only suitable for scientific research；Also oil meter control methods, its precision are relatively low（Loss is judged coarse）And it can not grow
Phase monitors the size of prestress wire prestressd anchor cable.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of simple in construction, and testing cost is relatively low, safe to use
The detecting system of reliable prestress wire anchorage cable stretching power, it not only adapts to large area testing requirements, and adapts to
The detection of the effective stretching force for the various fastening members being made up of supporting anchorage of steel strand wires, steel strand wires etc..
The technical solution adopted in the utility model is：A kind of detecting system of prestress wire anchorage cable stretching power, including
Steel strand wires, rock mass, supporting plate, anchorage, anchoring body, rock mass are provided with drilling, and foot of hole is provided with the anchoring body affixed with rock mass；Steel
By borehole anchorage in the anchoring body of foot of hole, the steel strand wires other end passes through supporting plate and anchorage for twisted wire one end；Supporting plate is set
At drilling orifice, it is anchored in rock mass；Anchorage keeps contacting with supporting plate；Described anchorage is provided with acceleration transducer and hit
Shaken device, and acceleration transducer is connected with computer.
In the detecting system of above-mentioned prestress wire anchorage cable stretching power, acceleration transducer is through magnetic force suction base or rubber
Mud or gypsum mud are fixedly mounted on anchorage end.
In the detecting system of above-mentioned prestress wire anchorage cable stretching power, the direction of vibration of acceleration transducer parallel to
The axis of steel strand wires after anchoring.
In the detecting system of above-mentioned prestress wire anchorage cable stretching power, steel strand wires after anchoring are provided with revealed section or not
Provided with revealed section.
In the detecting system of above-mentioned prestress wire anchorage cable stretching power, material that anchoring body uses for can make rock mass,
The material that steel strand wires, anchoring material mutually consolidate.
Compared with prior art, the beneficial effects of the utility model are：
（Ⅰ）Detecting system of the present utility model is simple in construction, and it not only adapts to large area testing requirements, and can realize
The detection of effective stretching force of the various fastening members formed to existing anchorage supporting by steel strand wires, steel strand wires etc.；It is especially suitable
For rock（Soil）The detection of the prestress wire anchorage cable stretching power of anchoring.
（Ⅱ）Click resonator of the present utility model can apply to the anchorage generation supporting with steel strand wires of all kinds of model steel strand wires and shake
The system of dynamic test vibration information；Acceleration transducer of the present utility model is consolidated through magnetic force suction base or rubber cement or gypsum mud
Be coupled to the supporting anchorage end of steel strand wires, its supporting anchorage end with steel strand wires be coupled or separate it is very convenient,
Improve the quick monitoring capability of test system.
（Ⅲ）The utility model has quick, repetition installation and safe handling function.
（Ⅳ）The utility model thoroughly solves rock（Soil）Anchoring prestress loses excessive the problem of causing failure, to anti-
Only the stability and reliability of the failure of prestress wire anchor cable ruggedized construction, raising reinforcing side slope and foundation ditch have important work
With commercial promise is very considerable.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is the enlarged drawing at A in Fig. 1.
Fig. 3 is the structure chart of detecting system when the utility model prestress wire anchor cable does not set revealed section.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As Figure 1-3, the detecting system of prestress wire anchorage cable stretching power of the present utility model include steel strand wires 1,
Rock mass 2, drilling 3, supporting plate 4, anchorage 5, anchoring body 11, rock mass 2 are provided with drilling 3, and 3 bottoms of drilling are provided with affixed with rock mass 2
Anchoring body 11.The one end of steel strand wires 1 is anchored at by drilling 3 in the anchoring body 11 of 3 bottoms of drilling, and the other end of steel strand wires 1 passes through
Supporting plate 4 and anchorage 5.Supporting plate 4 is placed at the aperture of drilling 3, is anchored in rock mass 2, and anchorage 5 keeps contacting with supporting plate 4.Described
Anchorage 5 is provided with acceleration transducer 7 and click resonator 8, and acceleration transducer 7 is connected with computer 10.The material that anchoring body 11 uses
Expect for the material that rock mass 2, steel strand wires 1, anchoring material 111 mutually consolidate can be made.
Described anchorage 5 is provided with acceleration transducer 7 and click resonator 8；Acceleration transducer 7 is fixed through magnetic force suction base 71
Installed in anchorage end, anchorage end can also be fixedly mounted on by rubber cement or gypsum mud.Acceleration transducer 7
Axis of the direction of vibration parallel to the steel strand wires 1 after tensioning.Acceleration transducer 7 is connected by data acquisition unit 9 with computer 10,
Data acquisition unit 9 is connected with power supply 103.Provided with the signal analysis device 101 for being used to couple data acquisition unit 9 and admittedly in computer 10
There is frequency computing module 102.
The detection method of prestress wire anchorage cable stretching power of the present utility model, comprises the following steps：
1）The construction line-putting is carried out according to the design drawing of retaining structure, makes 3 positions of retaining structure drilling of rock mass 2,
Construction forms drilling 3 in rock mass 2；The injection anchoring material in drilling 3, it is allowed to mutually solid with rock mass 2 in the formation of the bottom of drilling 3
The anchoring body 11 connect；The one end of steel strand wires 1 is reached into 3 bottoms of drilling by drilling 3, is anchored in the anchoring body 11 of 3 bottoms of drilling；
The other end of steel strand wires 1 is passed through into supporting plate 4 and anchorage 5, supporting plate 4 is placed at the aperture of drilling 3, and is anchored in rock mass 2, and is made
Anchorage 5 is obtained to keep contacting with supporting plate 4.
2）After anchoring body 11 reaches anchoring strength, tensioning is through one end of the steel strand wires 1 of anchorage 5, the steel after locking anchorage 5
Twisted wire 1 turns into prestress wire anchor cable 1a.
3）Acceleration transducer 7 and click resonator 8 are set on the end face of anchorage 5, and acceleration transducer 7 is passed through into data
Collector 9 is connected with computer 10.
4）Operating computer 10, computer 10 send signal acquisition order, and control click resonator 8 acts, and vibrates anchorage 5, anchorage 5
Vibration signal computer 10 is transmitted back to by data acquisition unit 9.
5）The vibration signal of the anchorage 5 of collection is handled, obtains what prestress wire anchor cable 1a and anchorage 5 formed
The single order vibration frequency that system is vibrated in prestress wire anchor cable 1a length directions, prestressing force is obtained according to single order vibration frequency
Steel strand anchor cable 1a stretching force.
6）Signal analysis device 101 is handled the vibration signal of the anchorage 5 of collection, obtains prestress wire anchor cable
The single order vibration frequency that the system that 1a and anchorage 5 form is vibrated in prestress wire anchor cable 1a length directions, intrinsic frequency meter
Calculate the stretching force that module 102 obtains prestress wire anchor cable 1a according to single order vibration frequency.
Based on intrinsic frequency computing module 102 is carried out to prestress wire anchor cable 1a stretching force by following two calculating formulas
Calculate；
In formula：For the normal contact stiffness of anchorage 5 and supporting plate 4,Formed for prestress wire anchor cable 1a and anchorage 5
System the vibrational system of prestress wire anchor cable 1a length directions single order vibration frequency,TPrestress wire anchor cable 1a
Stretching force,Steel strand wires vertical prestressing bar 1a length,For the modulus of elasticity unit of steel strand wires 1,Grown for the unit of steel strand wires 1
The quality of degree,The quality sum of quality and revealed section 6 for anchorage 5.
Embodiment A
1. unit in charge of construction carries out the construction line-putting according to the design drawing of retaining structure, the retaining structure drilling 3 of rock mass 2 is made
Position, the construction formation drilling 3 in rock mass 2；The injection anchoring material in drilling 3, it is allowed in the formation of the bottom of drilling 3 and rock mass
2 anchoring bodys 11 mutually consolidated；The one end of steel strand wires 1 is reached into 3 bottoms of drilling by drilling 3, the anchoring body 11 with 3 bottoms that drill
Anchoring；The other end of steel strand wires 1 is passed through into supporting plate 4 and anchorage 5, supporting plate 4 is placed at the aperture of drilling 3, and be anchored in rock mass 2
In, and cause anchorage 5 to keep contacting with supporting plate 4.
After anchoring body 11 reaches anchoring strength, tensioning passes through one end of the steel strand wires 1 of anchorage 5, the steel strand wires after locking anchorage 5
1 turns into prestress wire anchor cable 1a；Prestress wire anchor cable 1a outer ends set revealed section 6 on request, the length of the revealed section 6
Degree must be reserved when being tension steel strand 1, and length should ensure that the reliable with safe of stretching process, and revealed section 6 is in stretching force
It can be cut after reaching design requirement, that is, form the detecting system for not setting protruded length 6 as shown in Figure 3.
2. an acceleration transducer 7 and click resonator 8 are set on anchorage 5, acceleration transducer 7 and data acquisition unit 9, electricity
Brain 10 and power supply 103 are electrically connected, and the installation and operation of signal analysis device 101 for coupling data acquisition unit 9 is grasped in computer 10
Make computer 10, signal acquisition order, the action of the call instruction of click resonator 8 are clicked in the interface of signal analysis device 101, click resonator 8 makes
Prestress wire anchor cable 1a, anchorage 5, revealed section 6 vibrate（If during revealed section 6）, the vibration signal of anchorage 5 fills through signal analysis
Put 101 and be converted into prestress wire anchor cable 1a, anchorage 5, revealed section 6（If during revealed section 6）The intrinsic frequency of vibration and by believing
Number interface display of analytical equipment 101, and in application signal analysis device 101 prestress wire anchor cable 1a stretching force with advance should
The supporting anchorage 5 of power steel strand anchor cable 1a, steel strand wires 1, revealed section 6 vibrate（If during revealed section 6）Intrinsic frequency computing module
102, so as to obtain prestress wire anchor cable 1a stretching force.
Embodiment B
1. completing the process for being changed into prestress wire anchor cable 1a by steel strand wires 1 through constructing operation, in advance should on request
Power steel strand anchor cable 1a diameters are determined with radical by the model of anchorage 5, and by taking the anchorage 5 of the models of JYM15.2-5 as an example, its steel twists
A diameter of 15.2 mm of line 1, the radical of steel strand wires 1 are 5.
2. the end of anchorage 5 passes through magnetic force suction base 71（Or rubber cement or gypsum mud）Installation acceleration transducer 7 is connected firmly, is added
The direction of vibration of velocity sensor 7 should be parallel to prestress wire anchor cable 1a length directions, and as shown in Figure 1,3, acceleration passes
Sensor 7 chooses the type products of YD -65, charge sensitivity 414.15, and frequency measurement scope 5 has supporting magnetic force to inhale to 2000Hz
Seat 71.
3. acceleration transducer chooses the data acquisition units of DH -5,922 9, device H5857-1 is adjusted with adding by the way that supporting electric charge is suitable
Velocity sensor 7 is connected with shielded cable, and cable both ends are contact pin type, is adopted by the socket with acceleration transducer 7 with data
The suitable socket for adjusting device H5857-1 of the supporting electric charge of storage 9 is connected.
4. data acquisition unit 9 is connected with computer 10 with 1394 connected modes.
5. data acquisition unit 9 is connected, using the installation and operation of signal analysis device 101 in computer 10 and and data acquisition unit
9 is supporting, according to the sensitivity system of the supporting operating instruction input acceleration sensor 7 of signal analysis device 101 of data acquisition unit 9
Number, the signal acquisition interface commencing signal collection of click data collector 9, using click resonator 8, the click resonator 8 should be able to make pre- answer
Power steel strand anchor cable 1a, anchorage 5 produce vibration, and can be used to test all kinds of vibration information detecting systems, are shaken by manually starting to hit
The end hit the button that shakes and hit the anchorage 5 that shakes of device 8, hit the direction that shakes should parallel to prestress wire anchor cable 1a length directions, 3
The stopping acquisition interface of the supporting signal analysis device 101 of click data collector 9 after second, operate and believe according to coefficient specification
Number analytical equipment 101, the vibration signal of interception carry out frequency analysis, obtain prestress wire anchor cable 1a, anchorage 5, revealed section 6
Intrinsic frequency.
6. the calculating of prestress wire anchor cable 1a stretching forces.
1）Prestress wire anchor cable 1a stretching force Computing Principles：
Prestress wire anchor cable 1a, anchorage 5, revealed section 6 are regarded as shaking in prestress wire anchor cable 1a length directions
Dynamic system, different stretching forces cause anchorage 5 to have different normal contact stiffness from supporting plate 3k, then prestress wire anchor cable
1a, anchorage 5, revealed section 6 should mutually have different intrinsic vibration frequencies in the vibrational system of prestress wire anchor cable 1a length directions
Rate, utilize intrinsic frequencyWith anchorage 5 and the normal contact stiffness of supporting plate 3kRelation, by testing intrinsic frequency, infer
The normal contact stiffness of anchorage 5 and supporting plate 3k, from anchorage 5 and the normal contact stiffness of supporting plate 3kChange obtain stretching force.
Stretching force is calculated by following two formula：
（1）
In formula：For the normal contact stiffness of anchorage 5 and supporting plate 3,For prestress wire anchor cable 1a, anchorage 5, revealed section
6 the vibrational system of prestress wire anchor cable 1a length directions single order vibration frequency.WhereinFor the springform of steel strand wires 1
Measure unit,Prestress wire anchor cable 1a length,For the sectional area of steel strand wires 1（It is more steel strand wires 1 during more steel strand wires 1
Total sectional area, this example includes five steel strand wires 1,For the sectional area of 5 times of diameter 15.2mm steel strand wires 1）、For steel strand wires 1
The quality of unit length（Computational methods are identical with sectional area）,The quality sum of quality and revealed section 6 for anchorage 5, it is exposed
The quality of section 6=,For the length of revealed section 6；When not setting revealed section 6, L1 values are 0.
Will（1）What formula was tried to achieveSubstitute into following formula：
（Unit：kN）（2）
TFor prestress wire anchor cable 1a stretching force.
In above-described embodiment,If during revealed section：Prestress wire anchor cable L=4m, the length L1=0.8m of revealed section 6, survey
The single order vibration frequency gone out is=845.5×, prestress wire anchor cable 15.2mm, modulus of elasticity=1.96 × 109MPa,
Mass M=3.32kg of the type anchorages of JYM15.2-5.Calculating parameter substitutes into（1）Formula obtains=212058245N/m。Substitute into（2）Formula obtains
Stretching force T=255.7kN.When not setting revealed section：Prestress wire anchor cable L=4m, the single order vibration frequency measured are=
846.0×, prestress wire anchor cable 15.2mm, modulus of elasticity=1.96 × 109The quality of the type anchorage of MPa, JYM15.2-5
M=3.32kg.Calculating parameter substitutes into（1）Formula obtains=187790613N/m。Substitute into（2）Formula obtains stretching force T=212.0kN.
More than be only preferred embodiment of the present utility model, according to above-mentioned design of the present utility model, this area it is ripe
Various modifications and alterations can also be made to this by practicing personnel.For example, prestress wire anchor cable 1a sets or is not provided with revealed section 6,
And cement injection mortar etc. in drilling, change anchoring material, the end face of anchorage 5 is through magnetic force suction base 71 or rubber cement or gypsum
Mud reaches Fast Installation acceleration transducer 7, and acceleration transducer 7 is arranged on the different position in end face of anchorage 5, by signal
Analytical equipment 101 is combined into one with the partial function of computer 10, and principle relational expression is solidificated in and is combined into one in instrument, and signal is adopted
Storage 9 such as couples at interconnection and the modification of structure and the conversion with computer 10, and calculation relational expression is not in the case of principle is changed
Amendment.Click resonator hits the mode of shaking and changed, however, similar this conversion and modification belongs to essence of the present utility model.
Claims (5)
- A kind of 1. detecting system of prestress wire anchorage cable stretching power, it is characterised in that：Including steel strand wires（1）, rock mass（2）、 Supporting plate（4）, anchorage（5）And anchoring body（11）, rock mass（2）It is provided with drilling（3）, drilling（3）Bottom is provided with and rock mass（2）It is affixed Anchoring body（11）；Steel strand wires（1）One end passes through drilling（3）It is anchored at drilling（3）The anchoring body of bottom（11）It is interior, steel strand wires （1）The other end pass through supporting plate（4）And anchorage（5）；Supporting plate（4）It is arranged on drilling（3）Aperture at, be anchored in rock mass（2）In； Anchorage（5）With supporting plate（4）It is in contact；Described anchorage（5）It is provided with acceleration transducer（7）And click resonator（8）, acceleration biography Sensor（7）With computer（10）Connection.
- 2. the detecting system of prestress wire anchorage cable stretching power according to claim 1, it is characterised in that：Described adds Velocity sensor（7）With magnetic force suction base（71）Or rubber cement or gypsum mud are fixedly mounted on anchorage（5）End.
- 3. the detecting system of prestress wire anchorage cable stretching power according to claim 1, it is characterised in that：Described adds Velocity sensor（7）Direction of vibration parallel to the steel strand wires after anchoring（1）Axis.
- 4. the detecting system of prestress wire anchorage cable stretching power according to claim 1, it is characterised in that：After anchoring Steel strand wires（1）Provided with revealed section（6）Or it is not provided with revealed section（6）.
- 5. the detecting system of prestress wire anchorage cable stretching power according to claim 1, it is characterised in that：Anchoring body （11）The material used is can make rock mass（2）, steel strand wires（1）, anchoring material（111）The material mutually consolidated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720685897.5U CN206829205U (en) | 2017-06-14 | 2017-06-14 | The detecting system of prestress wire anchorage cable stretching power |
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| CN201720685897.5U CN206829205U (en) | 2017-06-14 | 2017-06-14 | The detecting system of prestress wire anchorage cable stretching power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059958A (en) * | 2017-06-14 | 2017-08-18 | 湖南科技大学 | The detecting system and method for prestress wire anchorage cable stretching power |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059958A (en) * | 2017-06-14 | 2017-08-18 | 湖南科技大学 | The detecting system and method for prestress wire anchorage cable stretching power |
| CN107059958B (en) * | 2017-06-14 | 2022-07-22 | 湖南科技大学 | System and method for detecting tension of prestressed steel strand anchor cable |
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