CN108755788A - A kind of pull-out test loading device - Google Patents
A kind of pull-out test loading device Download PDFInfo
- Publication number
- CN108755788A CN108755788A CN201810713944.1A CN201810713944A CN108755788A CN 108755788 A CN108755788 A CN 108755788A CN 201810713944 A CN201810713944 A CN 201810713944A CN 108755788 A CN108755788 A CN 108755788A
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- steel pipe
- small steel
- pull
- cushion block
- displacement meter
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- 238000007586 pull-out test Methods 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 166
- 239000010959 steel Substances 0.000 claims abstract description 166
- 238000006073 displacement reaction Methods 0.000 claims abstract description 48
- 238000009826 distribution Methods 0.000 claims description 12
- 210000000887 face Anatomy 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000012407 engineering method Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of pull-out test loading devices, it includes cushion block, sensor, drawbench, displacement meter, holder and small steel pipe, the front end of the small steel pipe is inserted into concrete filled steel tube, the cushion block is contacted across small steel pipe with concrete filled steel tube, the cushion block is fixed on the outer edge of the concrete filled steel tube, the sensor is fixed on the rear side of the cushion block by small steel pipe, the drawbench is fixed on the rear side of the sensor, the displacement meter is fixed on the drawbench, and the branch is set up in the end of the small steel pipe.The pull-out test loading device of the present invention can smoothly complete the parameters such as the best spacing of test steel pipe withdrawal resistance, anchor force, reasonable anchorage length and adjacent small steel pipe, improve feasibility, versatility and accuracy, and saved experimentation cost.
Description
Technical field
The present invention relates to a kind of pull-out test loading devices, belong to pull-out test technical field.
Background technology
Pipe-roofing method is a kind of novel underground engineering tunneling technology, be constructed on the basis of small-sized section large span,
The construction method of big cross section underground engineering.It is connected shape by fore shaft in steel pipe side based on single tube jacking between each single tube
It is arranged at pipe, and water-stop is injected to reach sealing requirement in fore shaft gap, pipe forms pipe curtain after the completion of arranging jacking.But with underground
The challenge that spatial construction faces is increasing, and the demand of some constructions has only been unsatisfactory for the conventional tube curtain structure of lock connection,
It is suggested with latter New pipe curtain engineering method：It is greatly increased with the pipe-roofing method of small fastener for connection, this engineering method between adjacent steel pipe
The bearing capacity and lateral stiffness of integral tube curtain, Anchorage Parameters of the small steel pipe in adjacent steel pipe design engineering method particularly significant.
But currently, existing study the anchorage problem for being only only limitted to anchor pole, and the anchorage problem of small steel pipe is not yet studied,
And there are no test devices to test it in the prior art, is unfavorable for improving and applying for this engineering method.Utilize drawing
It pulls out experimental provision and one of important means and the approach that pull-out test is obtain component anchoring property is carried out to component, such as research
The key parameters such as withdrawal resistance, anchor force, anchorage length, Multi anchorage effect and destruction synergistic effect.These Anchorage Parameters are that engineering is set
Important indicator in meter, while being also the important evidence of site operation.Traditional anchor rod drawing experimental rig is for bonded
The anchorage effect of the materials such as anchor pole and plain concrete, main damage form are the failure that bonds for anchoring interface, and operation is relatively easy,
Existing apparatus cannot consider effect of contraction of the steel pipe to concrete, and then measurement result can be caused less than normal, and also be unable to reach
To the accurate measurement of drawing property under different situations.
Invention content
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides a kind of pull-out test loading device for steel pipe,
Its simple operation can complete pull-out test according to different loads and measurement request.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include：
A kind of pull-out test loading device comprising cushion block, sensor, drawbench, displacement meter, holder and small steel pipe, institute
It states small steel pipe to be inserted into concrete filled steel tube, the cushion block is contacted across small steel pipe with concrete filled steel tube, and the cushion block is fixed on institute
The outer edge of concrete filled steel tube is stated, the sensor is fixed on the rear side of cushion block by small steel pipe, and the drawbench is fixed on institute
The rear side of sensor is stated, the displacement meter is fixed on the drawbench, and the branch is set up in the end of the small steel pipe, is used
In the small steel pipe of support.
Pull-out test loading device as described above, it is preferable that the cushion block is class triangulo column, with concrete filled steel tube
Contact surface be curved surface compatible with concrete filled steel tube steel pipe, centre be equipped with perforation slotted eyes, passed through from centre for small steel pipe
It wears, other faces are arranged for plane.
Pull-out test loading device as described above, it is preferable that the cushion block makes for solid steel block.
Pull-out test loading device as described above, it is preferable that the sensor is cylinder test equipment, and centre is to pass through
Sensor is fixed on small steel pipe by logical circular hole, small steel pipe across the circular hole.
Pull-out test loading device as described above, it is preferable that the drawbench is elongated cylinder loading device, among it
Through-hole equipped with perforation, the interior setting piston of through-hole and sliding sleeve, the small steel pipe passes through through-hole, is fixed by piston and sliding sleeve, shown
Connect manual loading pump outside drawbench, pulling capacity is applied to small steel pipe.
Pull-out test loading device as described above, it is preferable that the displacement is calculated as Dynamic High-accuracy displacement meter, institute's rheme
It moves meter and is equipped with two, a displacement meter is fixed at the lower section of drawbench, one end external lead wire connection of displacement meter
Onto the sensor, the other end is connected on holder, another end for being located at the small steel pipe.
Pull-out test loading device as described above, it is preferable that the holder includes two supporting rods and a T shape frame,
The upper end cross-fixing of described two supporting rods, T shape framves are fixed on two cross support bar lower ends, the lower end of two supporting rods
The T shape fulcrums of fulcrum and T shape framves are in same level.
Pull-out test loading device as described above, it is preferable that gasket, the pad are equipped between the cushion block and sensor
Piece plays the role of buffering and protection sensor.
Pull-out test loading device as described above, it is preferable that the small steel pipe is equipped with more, more small steel pipes
End is fixed with distribution beam before holder, and the distribution beam is rectangular steel plates, for the pulling capacity of intermediate steel pipe to be assigned to
The small steel pipe on both sides, each small steel pipe are correspondingly arranged on cushion block and displacement meter, the small steel pipe in centre position are arranged and sets
There are drawbench and sensor, one end of displacement meter to be connected on its corresponding sensor, the other end connects the distribution beam；Its
Each of remaining small steel pipe is corresponding to be fixed with displacement meter, and one end of displacement meter connects corresponding cushion block, and the other end is connected to
On holder.
Pull-out test loading device as described above, it is preferable that the displacement meter is fixed on described small by Magnetic gauge stand
On steel pipe.
(3) advantageous effect
The beneficial effects of the invention are as follows：
The present invention pull-out test loading device, can smoothly obtain steel pipe withdrawal resistance, anchor force, reasonable anchorage length and
The parameters such as the best spacing of adjacent small steel pipe, improve feasibility and versatility, have saved experimentation cost.Consider adjacent small steel pipe
Multi anchorage effect and destroy synergistic effect, and then obtain the best spacing of adjacent small steel pipe.Improve feasibility, versatility and standard
True property, and saved experimentation cost.
The pull-out test loading device of the present invention, it is contemplated that small steel pipe and the intersection of concrete filled steel tube outer wall, later stage loading surface
For curved surface, for convenience of the connection of concrete filled steel tube and jack in later stage loading procedure so that the power that jack applies apply in
On test specimen, transmitted by loading cushion block.Meanwhile cushion block destroys in loading procedure in order to prevent, should use solid rigid progress
The making of cushion block.
The pull-out test loading device of the present invention, since laterally small steel pipe fixing end is located in concrete filled steel tube, small steel pipe
Outer end is in cantilever position, therefore in small steel pipe cantilever end erect bracket, reaches and keeps small steel pipe free end horizontal with anchored end
Purpose, avoid due to free end sink generate distortion inaccuracy.
Description of the drawings
Fig. 1 is the structural schematic diagram of a preferred embodiment of pull-out test loading device of the present invention；
Fig. 2 is the structural schematic diagram of cushion block；
Fig. 3 is the structural schematic diagram of single holder.
Fig. 4 is more pull-out test structural schematic diagrams；
Fig. 5 is the schematic diagram of more pull-out test holders.
【Reference sign】
1：Cushion block；
2：Sensor；
3：Drawbench；
4：Displacement meter；
5：Holder；
6：Small steel pipe；
7：Concrete filled steel tube；
8：Bolt；
9：Slotted eyes；
10：Supporting rod；
11：T shape framves；
12：Connector；
13：Cross bar；
14：Distribution beam.
Specific implementation mode
In order to preferably explain the present invention, in order to understand, below in conjunction with the accompanying drawings, by specific implementation mode, to this hair
It is bright to be described in detail.
Embodiment 1
In order to solve the problems, such as traditional pull-out test device, a kind of pull-out test loading device is provided, it can
According to different load requirements, pull-out test is completed by increasing the devices such as cushion block.The pull-out test loading device of simple operation,
It can be required according to different loads, pull-out test is completed by increasing the devices such as cushion block.
A kind of pull-out test loading device, be set as the single draw-off gear of the draw-off gear of single small steel pipe as shown in Figure 1,
It includes cushion block 1, sensor 2, drawbench 3, displacement meter 4, holder 5 and small steel pipe 6, and steel tube concrete is inserted into the front end of small steel pipe 6
In soil 7, cushion block 1 is contacted across small steel pipe 6 with concrete filled steel tube 7, is fixed on the outer edge of concrete filled steel tube 7, and sensor 2 passes through
Small steel pipe 6 is fixed on the rear side of cushion block 1, and drawbench 3 is fixed on the rear side of sensor 2, and drawbench is equipped with displacement meter 4, holder 5
Set on the end of small steel pipe 6, it is used to support small steel pipe.
Specifically, cushion block is class triangulo column, and as shown in Figure 2, the contact surface with concrete filled steel tube 7 is curved surface, curved surface
Radian and concrete filled steel tube 7 steel pipe outer side edges along mutually coincideing, the centre of cushion block is equipped with the slotted eyes 9 of perforation, small steel pipe 6 from
Run through among slotted eyes 9, other faces are arranged for plane.Cushion block can be stablized and contact and fit closely with concrete filled steel tube, contact surface
Being set as curved surface can make force acting on transducer uniform, and other faces are plane, for being fitted closely with sensor.
To prevent from destroying in loading procedure, single solid steel making can be used in cushion block.
Sensor is cylinder test equipment, and centre is perforation circular hole, passes through circular hole for fixing sensor on small steel pipe,
Sensor is used for transmission the stress value measured for measurement sensor.
Drawbench is elongated cylinder loading device, and centre is equipped with the through-hole of perforation, and piston and sliding sleeve are arranged in through-hole, small
Drawbench is stably connected on small steel pipe by steel pipe across through-hole, piston and sliding sleeve.Drawbench exterior measuring is added manually by pipe connection
Pump is carried, pulling capacity is applied to small steel pipe by oil pump.The end of drawbench is fixed on by bolt 8 on small steel pipe.
It is equipped with displacement meter in the outside of drawbench, displacement is calculated as Dynamic High-accuracy displacement meter, and the external of displacement meter one end is drawn
Line is connected on sensor, and the other end is connected on holder, and displacement meter is used to measure the distance of drawbench position movement.
It is equipped with holder in the end of small steel pipe, holder can be used for supporting small steel pipe, prevent steel pipe inclination from leading to measurement result
It is inaccurate.As shown in figure 3, two supporting rods 10 can be used for holder and a T shapes frame 11 assembles, two supporting rods 10 it is upper
Cross-fixing is held, an X font is formed, T shapes frame 11 is fixed on two cross support bar lower ends, the lower end of two supporting rods 10
The T shape fulcrums of fulcrum and T shapes frame 11 are in same level.In order to measure the distance of small steel pipe movement, in the end of small steel pipe, also
Equipped with a displacement meter, the external lead wire of displacement meter one end is connected on sensor, and the other end is connected on holder.
In outdoor small steel pipe drawing experiment, since laterally small steel pipe fixing end is located in concrete filled steel tube, small steel pipe end
End is that outer end is in cantilever position, therefore in small steel pipe cantilever end erect bracket, reaches and keep small steel pipe free end and anchored end
Horizontal purpose avoids the distortion inaccuracy generated due to free end sinking.
Further, gasket is equipped between cushion block and sensor, which plays the role of buffering and protection sensor.
Embodiment 2
To the pull-out test loading device of embodiment 1, specific test process is as follows：
The fixing end of small steel pipe is inserted into steel pipe before casting concrete and mixed by 1, the pre-buried small steel pipe in concrete filled steel tube
In the large steel pipe for coagulating soil, casting concrete forms concrete filled steel tube later.
2, cushion block passes through small steel pipe to run through slotted eyes, is fixed on concrete filled steel tube outer rim by the curved surface of cushion block is seamless, ensures pad
Block fully plays connection function.
3, sensor is run through by intermediate small steel pipe, after being connected to cushion block, and first by gasket mounted on small behind cushion block
On steel pipe, i.e., gasket is added between cushion block and sensor, for playing cushioning and protection.
4, drawbench is by intermediate through hole, by small steel pipe through being connected to sensor rear end, centre shimming carry out every
From.It is in reinforcement connection with nut in the rear end of drawbench, it is safe and reliable during guarantee test.
5, after the fixing nut of drawbench applies, to ensure that steel pipe will not generate shadow because of cantilever end flexural deformation to experiment
It rings, holder is placed in steel pipe end, ensure that the holding in drawing experiment of small steel pipe is horizontal.
6, in whole device, two displacement meters are set.One is arranged on drawbench, and another sets at holder
It sets.
In actual tests, using the manual loading oil pressure punching jack of specified limit pulling capacity as actuator, by passing
Sensor acquires pulling capacity size in real time, and two (ranges of displacement meter are arranged：20mm~30mm) displacement is acquired in real time, finally by data
Collection plate transfers data to computer with 3 rates each second and processes again, and power displacement curve finally can be obtained.
When experiment is artificial load, pulling capacity is needed steadily to rise, therefore requires manual loading that the fast entirety that rises is pressed to reach even slowly
Speed load effect.When occurring following situations in pullout tests, load should be terminated：Since loading the second level, the production of rear stage load
Small steel pipe displacement increment under raw unit load, which is more than small steel pipe displacement under the unit load that previous stage load generates, does not restrain,
The small steel pipe body of rod destroys.
Embodiment 3
When measuring load-displacement curve to concrete filled steel tube different location, it can be provided with the drawing of more small steel pipes simultaneously
Device is tested.More small steel pipes are arranged in parallel in the steel pipe outer edge vertical direction of concrete filled steel tube, it also can be as needed
Carry out the installation test of different location.By more small steel pipes, the synergistic effect and Multi anchorage effect of destroyed area can be studied.
As shown in Figure 4, three small steel pipes are set in vertical direction, the setting of this three small steel pipes is on the same line
It is arranged in parallel, the front end of three small steel pipes is all inserted into concrete filled steel tube, and intermediate small steel pipe is the same as the single small steel in embodiment 1
The setting of pipe, is equipped with cushion block 1, sensor 2, drawbench 3, displacement meter 4, remaining two small steel pipe is correspondingly arranged on cushion block 1 respectively
Distribution beam 14 is fixed with before holder 5 in the end of small steel pipe 6 with displacement meter 4, distribution beam 14 is rectangular steel plates, and being used for will
The pulling capacity of intermediate small steel pipe is assigned to the small steel pipe on both sides.The position punching of small steel pipe, small steel can be corresponded in rectangular steel plates
Pipe becomes distribution beam 14 in the hole of rectangular steel plates, and distribution beam 14 can be fixedly connected by nut with small steel pipe.In making
Between small steel pipe in loading force on drawbench, can stepless action in remaining two small steel pipe.
The non-wiring in one end of displacement meter 4 on intermediate small steel pipe is connected on sensor 2, and the other end is connected to distribution beam
14；Fixed displacement meter 4 on the small steel pipe 6 at both ends, one end are connected on corresponding cushion block 1, and the other end is connected to holder 5
On, displacement meter 4 is fixed on small steel pipe by Magnetic gauge stand.
The holder of more draw-off gears as shown in Figure 5, two supporting rods 10 can be used in the holder for being used to support small steel pipe
It is arranged at X font cross-fixings, it is cross type frame that former T shapes, which are set up, and the wherein longitudinal rod of cross type frame is connector 12, is laterally
Cross bar 13, connector 12 are equipped with jack corresponding with small steel pipe position, and jack is inserted into the end of small steel pipe, is used to support small steel
The both ends of pipe, cross bar 13 are fixed with two supporting rods 10 respectively.
The above described is only a preferred embodiment of the present invention, being not the limitation for doing other forms to the present invention, appoint
What those skilled in the art can be changed or be modified as the equivalence enforcement of equivalent variations using technology contents disclosed above
Example.But it is every without departing from technical solution of the present invention content, according to the technical essence of the invention to appointing made by above example
What simple modification, equivalent variations and remodeling, still falls within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of pull-out test loading device, which is characterized in that it include cushion block, sensor, drawbench, displacement meter, holder and
The front end of small steel pipe, the small steel pipe is inserted into concrete filled steel tube, and the cushion block is contacted across small steel pipe with concrete filled steel tube, institute
The outer edge that cushion block is fixed on the concrete filled steel tube is stated, the sensor is fixed on the rear side of the cushion block by small steel pipe,
The drawbench is fixed on the rear side of the sensor, and the displacement meter is fixed on the drawbench, and the branch is set up in
The end of the small steel pipe, is used to support small steel pipe.
2. pull-out test loading device as described in claim 1, which is characterized in that the cushion block is class triangulo column, with steel
The contact surface of pipe concrete is curved surface compatible with concrete filled steel tube steel pipe, and centre is equipped with the slotted eyes of perforation, is used for small steel pipe
Run through from centre, other faces are arranged for plane.
3. pull-out test loading device as described in claim 1, which is characterized in that the cushion block makes for solid steel block.
4. pull-out test loading device as described in claim 1, which is characterized in that the sensor is cylinder tester
Device, centre are perforation circular hole, and sensor is fixed on small steel pipe by small steel pipe across the circular hole.
5. pull-out test loading device as described in claim 1, which is characterized in that the drawbench is elongated cylinder load dress
It sets, is equipped with the through-hole of perforation among it, piston and sliding sleeve are set in shown through-hole, the small steel pipe passes through through-hole by piston and cunning
Set is fixed, and manual loading pump is connected outside shown drawbench, applies pulling capacity to small steel pipe.
6. pull-out test loading device as described in claim 1, which is characterized in that the displacement is calculated as Dynamic High-accuracy displacement
Meter, the displacement meter are equipped with two, and a displacement meter is fixed at the lower section of drawbench, displacement meter one end it is external
Lead is connected on the sensor, and the other end is connected on holder, and another displacement meter is located at the end of the small steel pipe.
7. pull-out test loading device as described in claim 1, which is characterized in that the holder includes two supporting rods and one
A T shapes frame, the upper end cross-fixing of described two supporting rods, T shape framves are fixed on two cross support bar lower ends, two supports
The lower sustainer of bar is with the T shape fulcrums of T shape framves in same level.
8. the pull-out test loading device as described in any one of claim 1-7, which is characterized in that the cushion block and sensor
Between be equipped with gasket.
9. pull-out test loading device as described in claim 1, which is characterized in that the small steel pipe is equipped with more, more institutes
The end for stating small steel pipe is fixed with distribution beam before holder, and the distribution beam is rectangular steel plates, is used for the drawing of intermediate steel pipe
Pull out force is assigned to the small steel pipe on both sides, and each small steel pipe is correspondingly arranged on cushion block and displacement meter, is arranged in centre position
Small steel pipe be equipped with drawbench and sensor, one end of displacement meter is connected on its corresponding sensor, and the other end connects institute
State distribution beam；Remaining each small steel pipe is corresponding to be fixed with displacement meter, and one end of displacement meter connects corresponding cushion block, separately
One end is connected on holder.
10. pull-out test loading device as claimed in claim 9, which is characterized in that the displacement meter is solid by Magnetic gauge stand
It is scheduled on the small steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713944.1A CN108755788B (en) | 2018-06-29 | 2018-06-29 | Drawing test loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713944.1A CN108755788B (en) | 2018-06-29 | 2018-06-29 | Drawing test loading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108755788A true CN108755788A (en) | 2018-11-06 |
| CN108755788B CN108755788B (en) | 2020-06-05 |
Family
ID=63975698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810713944.1A Expired - Fee Related CN108755788B (en) | 2018-06-29 | 2018-06-29 | Drawing test loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108755788B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257101A (en) * | 2020-02-19 | 2020-06-09 | 东南大学 | Group anchor effect model test device and detection method |
| CN112129635A (en) * | 2020-10-15 | 2020-12-25 | 山东建筑大学 | Rib body drawing test system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202073125U (en) * | 2011-04-02 | 2011-12-14 | 河海大学 | Detecting device for upright resistance of anchorage body |
| CN203490131U (en) * | 2013-10-22 | 2014-03-19 | 安徽理工大学 | Pressurizing device for anchor rod drawing experiment for simulating anchorage body surrounding rock stress |
| CN205506541U (en) * | 2016-03-30 | 2016-08-24 | 广西众诚工程质量检测有限公司 | Squarely draw experimental strutting arrangement |
| CN107503386A (en) * | 2017-08-18 | 2017-12-22 | 广东省建筑科学研究院集团股份有限公司 | Anchor rod body holds the detection means and detection method of load |
-
2018
- 2018-06-29 CN CN201810713944.1A patent/CN108755788B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202073125U (en) * | 2011-04-02 | 2011-12-14 | 河海大学 | Detecting device for upright resistance of anchorage body |
| CN203490131U (en) * | 2013-10-22 | 2014-03-19 | 安徽理工大学 | Pressurizing device for anchor rod drawing experiment for simulating anchorage body surrounding rock stress |
| CN205506541U (en) * | 2016-03-30 | 2016-08-24 | 广西众诚工程质量检测有限公司 | Squarely draw experimental strutting arrangement |
| CN107503386A (en) * | 2017-08-18 | 2017-12-22 | 广东省建筑科学研究院集团股份有限公司 | Anchor rod body holds the detection means and detection method of load |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257101A (en) * | 2020-02-19 | 2020-06-09 | 东南大学 | Group anchor effect model test device and detection method |
| CN111257101B (en) * | 2020-02-19 | 2022-03-29 | 东南大学 | Group anchor effect model test device and detection method |
| CN112129635A (en) * | 2020-10-15 | 2020-12-25 | 山东建筑大学 | Rib body drawing test system and method |
| CN112129635B (en) * | 2020-10-15 | 2021-05-11 | 山东建筑大学 | Rib body drawing test system and method |
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| Publication number | Publication date |
|---|---|
| CN108755788B (en) | 2020-06-05 |
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