CN109991086A - A kind of prestressing anchor support effect attenuation law simulation test device and method - Google Patents
A kind of prestressing anchor support effect attenuation law simulation test device and method Download PDFInfo
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- CN109991086A CN109991086A CN201910315575.5A CN201910315575A CN109991086A CN 109991086 A CN109991086 A CN 109991086A CN 201910315575 A CN201910315575 A CN 201910315575A CN 109991086 A CN109991086 A CN 109991086A
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- 238000012360 testing method Methods 0.000 title claims abstract description 89
- 230000000694 effects Effects 0.000 title claims abstract description 31
- 238000004088 simulation Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008595 infiltration Effects 0.000 claims abstract description 30
- 238000001764 infiltration Methods 0.000 claims abstract description 30
- 239000003673 groundwater Substances 0.000 claims abstract description 28
- 230000008859 change Effects 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000011160 research Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000007774 longterm Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000004873 anchoring Methods 0.000 abstract description 2
- 230000008093 supporting effect Effects 0.000 description 16
- 238000010276 construction Methods 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Piles And Underground Anchors (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of prestressing anchor support effect attenuation law simulation test device and methods, it includes test chamber, top cover is installed at the top of the test chamber, ground sample is filled with inside the test chamber, the two sides of the test chamber are fitted with anchor pier, through-hole is machined in the center of anchor pier, plastic tube is installed between two through-holes and through ground sample, the inside of the plastic tube, which is run through, is equipped with anchor cable, the both ends of the anchor cable pass through anchor cable anchor clamp respectively and are anchored on anchor pier, anchor dynamometer is provided between anchor cable anchor clamp and anchor pier；The outside of the test chamber is equipped with the infiltration device for infiltration.By monitoring anchorage cable anchoring power change procedure, the influence situation of geological conditions and groundwater environment to cable bolting effect is understood, prestressing anchor support effect attenuation law of analyzing and researching.
Description
Technical field
The present invention relates to prestress anchorage cable performance study technical fields more particularly to a kind of prestressing anchor support effect to decline
Subtract regular simulation test device.
Background technique
During side slope or Cavity Construction, usually from guarantee that Rock-soil Mass Structure is stablized, and prestress anchorage cable branch is taken
Shield mode is reinforced.It is influenced by factors such as geological conditions, groundwater environment, structure change or material corrosions, prestress anchorage cable
After undergoing the long period, supporting effect can gradually decay supporting construction.
However, it is less for the research of prestressing anchor support effect attenuation law at present, it is set in existing supporting construction
In meter, targetedly safeguard procedures are not taken；To supporting construction is had been carried out, also lack corresponding evaluation method, generally wants to understand
Anchor cable structure, material and the Rock And Soil characteristic variations of supporting, can only be by the way of anchor cable excavation, and which destroys anchor cable branch
Protection structure, construction cost and difficulty are larger.
Summary of the invention
The present invention is research in different geological conditions and groundwater environment, through a long time effect, prestressed anchor Cable Structure
And the situations of change such as material property understand geological conditions and groundwater environment to anchor by monitoring anchorage cable anchoring power change procedure
The influence situation of rope supporting effect, prestressing anchor support effect attenuation law of analyzing and researching.
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this: a kind of prestressing anchor support effect
Attenuation law simulation test device is answered, it includes test chamber, and top cover is equipped at the top of the test chamber, and the test is held
Ground sample is filled with inside device, the two sides of the test chamber are fitted with anchor pier, are machined in the center of anchor pier
Through-hole is equipped with plastic tube between two through-holes and through ground sample, and the inside of the plastic tube is through being equipped with anchor
Rope, the both ends of the anchor cable pass through anchor cable anchor clamp respectively and are anchored on anchor pier, are provided between anchor cable anchor clamp and anchor pier
Anchor dynamometer；The outside of the test chamber is equipped with the infiltration device for infiltration.
The test chamber uses rectangular stainless steel sink, and the two side ends of the rectangular stainless steel sink use Open architecture,
Partial operation has pore on its cell wall.
The top cover uses rectangular stainless steel plate, and pore is intensively disposed on top cover；The top cover is bolted
At the top of top cover.
The anchor pier uses trapezoidal pier shape, and the large end face of the anchor pier merges with the matching of the face size of test chamber
It constitutes and is slidably matched with it, move it inside the rectangular channel of test chamber.
The plastic tube uses round tube, and the plastic tube, according to test objective difference, there are two types of form, Yi Zhongwei for tool
Intensively arrange that pore, layout density and hole size meet the permeation requirements of liquid on tube wall, another kind is tube wall impunctate, is
Water-tight structure.
The anchor cable uses steel strand anchor cable or reinforcing bar anchor cable.
The anchor dynamometer is connected by signal wire with monitoring device, and the stress of real-time monitoring prestress anchorage cable always
Situation of change.
The anchor cable anchor clamp uses circular plate structure, is uniformly machined on circular plate structure multiple for across anchor cable
Through-hole.
The infiltration device includes infiltration box body, and the top of top cover is arranged in the infiltration box body, and the infiltration box body is logical
It crosses pumping drainage pipe road to be connected with water pump, the water pump is connected by pumping drainage pipe road with square container, in the square container
Portion is contained with groundwater simulation liquid；The entire test chamber is arranged in the inside of square container by appliance stand, and makes
It is located at liquid level or more.
The method have the advantages that:
1, the present invention can be simulated under different geological conditions, understanding is answered in advance using different physics and the Rock And Soil of mechanical characteristic
The stress and change procedure situation of power anchor cable, affecting laws of the analysis geological conditions to cable bolting effect.
2, analog of the present invention is under the different groundwater environment long term such as acid-base property, corrosivity, flow regime, in advance
The stress and change procedure situation of stress anchor cable, analyze different groundwater environments to the affecting laws of cable bolting effect.
3, prestress anchorage cable can put and open, open experimental rig, to test ground by the present invention after the end of the test
Sample, anchor cable structure and material etc. are sampled research, analyze different groundwater environments to physics such as ground, anchor cable structure and materials
And the affecting laws of mechanical characteristic.
4, present invention can be implemented under same environment, setting multiple groups sample carries out simulation test, reaches and compares under same environment
Test objective has better reliability.
5, the configuration of the present invention is simple, it is easy to make, and test function multiplicity, prestress anchorage cable is carried out using the experimental rig
The research of supporting effect attenuation law, as time goes by, the factors such as groundwater environment, geological conditions are to prestress anchorage cable branch for analysis
The affecting laws of effect are protected, prestressing anchor support effect attenuation law of analyzing and researching.Using conclusion (of pressure testing), can be directed to different
Geological conditions and groundwater environment formulate safeguard procedures to extend supporting effect, provide supporting effect Appreciation gist, have larger
Research and application value.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the present invention in hydrostatic condition lower prestress cable bolting effect attenuation law simulation test device structural representation
Figure.
Fig. 2 is Section A-A figure in Fig. 1 of the invention.
Fig. 3 is anchor pier main view of the invention.
Fig. 4 is anchor pier main sectional view of the invention.
Fig. 5 is anchor dynamometer structure chart of the invention.
Fig. 6 is anchor cable clamp structure figure of the invention.
Fig. 7 is river channels lower prestress cable bolting effect attenuation law simulation test device structural representation of the present invention
Figure.
In figure: test chamber 1, top cover 2, connection bolt 3, anchor pier 4, anchor dynamometer 5, signal wire 6, anchor cable anchor clamp 7,
Anchor cable 8, plastic tube 9, ground sample 10, infiltration box body 11, pumping drainage pipe road 12, water pump 13, appliance stand 14, groundwater simulation
Liquid 15, square container 16, through-hole 17.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Embodiment 1:
Fig. 1-7 is please referred to, a kind of prestressing anchor support effect attenuation law simulation test device, it includes test chamber 1, institute
The top for stating test chamber 1 is equipped with top cover 2, is filled with ground sample 10, the test chamber 1 inside the test chamber 1
Two sides be fitted with anchor pier 4, be machined with through-hole 17 in the center of anchor pier 4, between two through-holes 17 and run through
Ground sample 10 is equipped with plastic tube 9, and the inside of the plastic tube 9 is distinguished through anchor cable 8, the both ends of the anchor cable 8 are equipped with
It is anchored on anchor pier 4 by anchor cable anchor clamp 7, anchor dynamometer 5 is provided between anchor cable anchor clamp 7 and anchor pier 4；The examination
The outside for testing container 1 is equipped with infiltration device for infiltration.By above-mentioned simulation test device, it is mainly used in basis and grinds
Study carefully, grasp prestress anchorage cable supporting effect attenuation law under different geological conditions and groundwater environment, stress test conclusion,
Corresponding treatment measures are made in engineering practice, extend prestress anchorage cable action effect, and the supporting construction to have been carried out provides
Appreciation gist.
Such as in side slope or underground chamber supporting construction, because of the influence of geological conditions and groundwater environment, if not taking needle
To property safeguard procedures, it will lead to the big heavy discount of partial prestressing cable bolting effect, there is engineering construction in longtime running
Larger security risk；For the prestress anchorage cable of supporting, also without preferable method under the premise of not damaging prestress anchorage cable
Supporting effect is evaluated.The problems such as can solving huge cost, constructional difficulties by this experimental rig, passes through the mould to environment
It is quasi-, it will be appreciated that as time goes by, the situation of change of ground bulk properties, anchor cable structure and material property studies geological conditions
And groundwater environment etc. provides foundation to the affecting laws of prestressing anchor support effect for engineering protection measure and evaluation.
Further, the test chamber 1 uses rectangular stainless steel sink, and the two side ends of the rectangular stainless steel sink, which use, to be opened
Formula structure is put, partial operation has pore on its cell wall.The layout density and hole size of pore meet the permeation requirements of liquid.
Further, the top cover 2 uses rectangular stainless steel plate, is intensively disposed with pore on top cover 2；The top cover 2
The top of top cover 2 is fixed on by bolt 3.Pore layout density and hole size meet the permeation requirements of liquid, in sample preparation
Cheng Zhong fills up ground sample in 1 groove of test chamber, simulates to geological conditions, the top cover 2 on test chamber 1,
It is fixed by bolt 3.
Further, the anchor pier 4 uses trapezoidal pier shape, the large end face of the anchor pier 4 and the end face of test chamber 1
Size, which matches to merge to constitute with it, to be slidably matched, and moves it inside the rectangular channel of test chamber 1.It, will in sample making course
Anchor pier is placed on 1 both ends of test chamber, forms a cubic container with test chamber 1, fills up ground sample in container, cover
Top cover 2 is connected and fixed by the realization of bolt 3, forms a closed cube.
Further, the plastic tube 9 uses round tube, and the plastic tube 9, according to test objective difference, there are two types of tools
Form, one kind are that pore is intensively arranged on tube wall, and layout density and hole size meet the permeation requirements of liquid, and another kind is pipe
Wall impunctate is water-tight structure.
Further, the anchor cable 8 uses steel strand anchor cable or reinforcing bar anchor cable.The specific structure of anchor cable can according to need
The anchor cable structure of research is customized.
Further, the anchor dynamometer 5 is connected by signal wire 6 with monitoring device, and real-time monitoring is answered in advance always
The stress situation of change of power anchor cable 8.The prestress change situation of anchor cable 8 can be passed by the anchor dynamometer 5 of above structure
Monitoring device is passed, and then facilitates the analysis and acquisition of data.
Further, the anchor cable anchor clamp 7 uses circular plate structure, and multiple use are uniformly machined on circular plate structure
In the through-hole for passing through anchor cable 8.Anchor cable can be fixed by the anchor cable anchor clamp 7 of above structure.
Further, the infiltration device includes infiltration box body 11, and the top of top cover 2 is arranged in the infiltration box body 11,
The infiltration box body 11 is connected by pumping drainage pipe road 12 with water pump 13, and the water pump 13 passes through pumping drainage pipe road and square container
16 are connected, and are contained with groundwater simulation liquid 15 inside the square container 16；The entire test chamber 1 passes through device branch
Frame 14 is arranged in the inside of square container 16, and is located at liquid level or more.By using the infiltration device of above structure, make
With in the process, the groundwater simulation liquid 15 inside square container 16 can be extracted into infiltration box body 11 by water pump 13
Portion, and then by forming seepage flow between infiltration box body 11 and test chamber 1, and then simulate different geological conditions and groundwater environment
Lower supporting effect attenuation law, and the influence to anchor cable 8.
Further, the square container 16 is square container, tests liquid used, simulated groundwater ring for storing
Border, size should meet test demand.
Further, the ground sample 10 uses a variety of different types, for simulating different geological conditions, according to tool
Body tests demand configuration.
Embodiment 2:
A kind of prestressing anchor support effect attenuation law simulation test device described in any one, comprising the following steps:
Above-mentioned anchor cable 8 is passed through plastic tube 9, the ground sample required for the inside filling test of test chamber 1 by step 1
10, the top that top cover 2 is fixed on test chamber 1 by connecting bolt 3；
Step 2 is matched with anchor pier 4 by anchor cable anchor clamp 7, its tensioning is arranged in the inside of test chamber 1；And in advance
Anchor dynamometer 5 is arranged between anchor cable anchor clamp 7 and anchor pier 4；
Step 3, where there is two kinds of test methods, the first is that test chamber 1 is immersed in square container 16；Second
It is to open infiltration device, the groundwater simulation liquid 15 inside square container 16 is extracted to infiltration by the water pump 13 for the device that seeps water
Inside box body 11, infiltration box body 11 by groundwater simulation liquid 15 by leakage by way of penetrate into inside test chamber 1
Ground sample 10 in；
Step 4, during the test, by the prestressing force of 5 real-time monitoring anchor cable 8 of anchor dynamometer, and passing through signal wire 6 will
Measured prestressing force real-time delivery records anchor cable 8 in differences such as acid-base property, corrosivity, flow regimes to monitoring device
Groundwater environment long term under, the stress and change procedure situation of prestress anchorage cable 8 analyze different groundwater environments to anchor
The affecting laws of rope supporting effect；
Prestress anchorage cable 8 put and open, open experimental rig, to test ground sample, anchor cable knot by step 5 after the test
Structure and material are sampled research, analyze different groundwater environments to ground, anchor cable structure and Material Physics and mechanical characteristic
Affecting laws.
Above-described embodiment is used to illustrate the present invention, rather than limits the invention, in spirit of the invention and
In scope of protection of the claims, to any modifications and changes that the present invention makes, protection scope of the present invention is both fallen within.
Claims (10)
1. a kind of prestressing anchor support effect attenuation law simulation test device, it is characterised in that: it includes test chamber
(1), it is equipped with top cover (2) at the top of the test chamber (1), is filled with ground sample (10) inside the test chamber (1),
The two sides of the test chamber (1) are fitted with anchor pier (4), are machined with through-hole (17) in the center of anchor pier (4), two
It is equipped with plastic tube (9) between the through-hole (17) and through ground sample (10), the inside of the plastic tube (9) is through installation
Have anchor cable (8), the both ends of the anchor cable (8) pass through anchor cable anchor clamp (7) respectively and are anchored on anchor pier (4), in anchor cable anchor clamp
(7) it is provided between anchor pier (4) anchor dynamometer (5)；The outside of the test chamber (1) is equipped with the infiltration for infiltration
Device.
2. a kind of prestressing anchor support effect attenuation law simulation test device according to claim 1, feature exist
In: the test chamber (1) uses rectangular stainless steel sink, and the two side ends of the rectangular stainless steel sink use Open architecture,
Partial operation has pore on its cell wall.
3. a kind of prestressing anchor support effect attenuation law simulation test device according to claim 1, feature exist
In: the top cover (2) uses rectangular stainless steel plate, is intensively disposed with pore on top cover (2)；The top cover (2) passes through bolt
(3) it is fixed on the top of top cover (2).
4. a kind of prestressing anchor support effect attenuation law simulation test device according to claim 1, feature exist
In: the anchor pier (4) uses trapezoidal pier shape, and the large end face of the anchor pier (4) and the face size of test chamber (1) match
Merging is constituted with it to be slidably matched, and keeps it mobile inside the rectangular channel of test chamber (1).
5. a kind of prestressing anchor support effect attenuation law simulation test device according to claim 1, feature exist
In: the plastic tube (9) uses round tube, and the plastic tube (9), according to test objective difference, there are two types of forms for tool, a kind of
Intensively to arrange that pore, layout density and hole size meet the permeation requirements of liquid on tube wall, another kind is tube wall impunctate,
For water-tight structure.
6. a kind of prestressing anchor support effect attenuation law simulation test device according to claim 1, feature exist
In: the anchor cable (8) uses steel strand anchor cable or reinforcing bar anchor cable.
7. a kind of prestressing anchor support effect attenuation law simulation test device according to claim 1, feature exist
It is connected by signal wire (6) with monitoring device in: the anchor dynamometer (5), and real-time monitoring prestress anchorage cable (8) always
Stress situation of change.
8. a kind of prestressing anchor support effect attenuation law simulation test device according to claim 1, feature exist
In: the anchor cable anchor clamp (7) uses circular plate structure, is uniformly machined on circular plate structure multiple for across anchor cable
(8) through-hole.
9. a kind of prestressing anchor support effect attenuation law simulation test device according to claim 1, feature exist
In: the infiltration device includes infiltration box body (11), and the infiltration box body (11) is arranged in the top of top cover (2), the infiltration
Box body (11) is connected by pumping drainage pipe road (12) with water pump (13), and the water pump (13) passes through pumping drainage pipe road and square container
(16) it is connected, is contained with groundwater simulation liquid (15) inside the square container (16)；The entire test chamber (1) is logical
It crosses appliance stand (14) and is arranged in the inside of square container (16), and be located at liquid level or more.
10. using a kind of prestressing anchor support effect attenuation law simulation test device described in claim 1-9 any one,
Characterized by comprising the following steps:
Above-mentioned anchor cable (8) is passed through plastic tube (9), the rock required for the inside filling test of test chamber (1) by step 1
Soil sample (10), the top that top cover (2) are fixed on test chamber (1) by connecting bolt (3)；
Step 2 is matched with anchor pier (4) by anchor cable anchor clamp (7), its tensioning is arranged in the inside of test chamber (1)；
And anchor dynamometer (5) are arranged between anchor cable anchor clamp (7) and anchor pier (4) in advance；
Step 3, where there is two kinds of test methods, the first is that test chamber (1) is immersed in square container (16)；The
Two kinds are to open infiltration device, extract square container (16) internal groundwater simulation liquid by the water pump (13) for the device that seeps water
(15) internal to infiltration box body (11), infiltration box body (11) by groundwater simulation liquid (15) by leakage by way of penetrate into
In the ground sample (10) internal to test chamber (1)；
Step 4 by the prestressing force of anchor dynamometer (5) real-time monitoring anchor cable (8), and passes through signal wire during the test
(6) by measured prestressing force real-time delivery to monitoring device, and then anchor cable (8) are recorded in acid-base property, corrosivity, flow regime
Etc. under different groundwater environment long terms, the stress and change procedure situation of prestress anchorage cable (8) analyze different underground water
Affecting laws of the environment to cable bolting effect；
Prestress anchorage cable (8) put and open, open experimental rig, to test ground sample, anchor cable by step 5 after the test
Structure and material are sampled research, analyze different groundwater environments to ground, anchor cable structure and Material Physics and mechanical characteristic
Affecting laws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910315575.5A CN109991086A (en) | 2019-04-15 | 2019-04-15 | A kind of prestressing anchor support effect attenuation law simulation test device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910315575.5A CN109991086A (en) | 2019-04-15 | 2019-04-15 | A kind of prestressing anchor support effect attenuation law simulation test device and method |
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Family
ID=67134065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910315575.5A Pending CN109991086A (en) | 2019-04-15 | 2019-04-15 | A kind of prestressing anchor support effect attenuation law simulation test device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849688A (en) * | 2019-11-29 | 2020-02-28 | 中国石油大学(华东) | Model test device for coupling effect of anchoring force loss of prestressed anchor rod (cable) and tunnel aging deformation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990062050A (en) * | 1997-12-31 | 1999-07-26 | 박재만 | Retensioning device of prestressed structure |
| JPH11211649A (en) * | 1998-01-23 | 1999-08-06 | Natl Res Inst Of Agricultural Engineering | Water penetration testing device |
| CN2510840Y (en) * | 2001-12-21 | 2002-09-11 | 中国科学院武汉岩土力学研究所 | Single-string respective tension anchoring test apparatus of multi-string steel strand-cable prestressed anchoring rope |
| CN101067581A (en) * | 2007-04-26 | 2007-11-07 | 中国科学院武汉岩土力学研究所 | Pressure dispersing anchorage cable stress state monitoring device |
| CN206353124U (en) * | 2017-01-04 | 2017-07-25 | 长江水利委员会长江科学院 | A kind of experimental rig of the durable Journal of Sex Research of corrosive environment lower prestress anchor cable |
| CN207908334U (en) * | 2018-02-27 | 2018-09-25 | 长江水利委员会长江科学院 | A kind of presstressed reinforcing steel material corrosion damage pilot system that can simulate complicated Geotechnical Environment |
-
2019
- 2019-04-15 CN CN201910315575.5A patent/CN109991086A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990062050A (en) * | 1997-12-31 | 1999-07-26 | 박재만 | Retensioning device of prestressed structure |
| JPH11211649A (en) * | 1998-01-23 | 1999-08-06 | Natl Res Inst Of Agricultural Engineering | Water penetration testing device |
| CN2510840Y (en) * | 2001-12-21 | 2002-09-11 | 中国科学院武汉岩土力学研究所 | Single-string respective tension anchoring test apparatus of multi-string steel strand-cable prestressed anchoring rope |
| CN101067581A (en) * | 2007-04-26 | 2007-11-07 | 中国科学院武汉岩土力学研究所 | Pressure dispersing anchorage cable stress state monitoring device |
| CN206353124U (en) * | 2017-01-04 | 2017-07-25 | 长江水利委员会长江科学院 | A kind of experimental rig of the durable Journal of Sex Research of corrosive environment lower prestress anchor cable |
| CN207908334U (en) * | 2018-02-27 | 2018-09-25 | 长江水利委员会长江科学院 | A kind of presstressed reinforcing steel material corrosion damage pilot system that can simulate complicated Geotechnical Environment |
Non-Patent Citations (1)
| Title |
|---|
| 李华栋: "回采巷道锚网带索支护技术研究", 科技信息, no. 34, 31 December 2013 (2013-12-31), pages 70 - 71 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849688A (en) * | 2019-11-29 | 2020-02-28 | 中国石油大学(华东) | Model test device for coupling effect of anchoring force loss of prestressed anchor rod (cable) and tunnel aging deformation |
| CN110849688B (en) * | 2019-11-29 | 2023-05-16 | 中国石油大学(华东) | Model test device for coupling effect of prestress anchor rod (cable) anchoring force loss and tunnel aging deformation |
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