CN108914982A - High-speed rail pile Reinforced subgrade long-term settlement model test apparatus under mobile cyclic load - Google Patents
High-speed rail pile Reinforced subgrade long-term settlement model test apparatus under mobile cyclic load Download PDFInfo
- Publication number
- CN108914982A CN108914982A CN201810487055.8A CN201810487055A CN108914982A CN 108914982 A CN108914982 A CN 108914982A CN 201810487055 A CN201810487055 A CN 201810487055A CN 108914982 A CN108914982 A CN 108914982A
- Authority
- CN
- China
- Prior art keywords
- pile
- speed rail
- model
- load
- train
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
Landscapes
- 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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses high-speed rail pile Reinforced subgrade long-term settlement model test apparatus under a kind of mobile cyclic load.Model test apparatus is made of peripheral frame, model casing, train load simulation system and data collection system.It is wherein filled with high-speed rail pile Reinforced subgrade model in model casing, load plate is fixedly installed at the top of roadbed model.Train load simulation system includes single-wheel trolley, hydraulic actuator, dandy horse, traction electric machine and traction rope.Wherein, single-wheel trolley, hydraulic actuator and dandy horse form vertical loading system；Dandy horse, traction electric machine and traction rope etc. form horizontal movement system, connect traction electric machine and dandy horse with traction rope；Data collection system includes foil gauge, earth pressure gauge, LVDT displacement meter.The present invention can simulate high-speed rail train load by vertical loading system and horizontal movement system, and obtain the pile Reinforced subgrade long-term settlement law under high-speed rail train load by test, have the characteristics that easy to operate, simple structure, control are accurate.
Description
Technical field
The present invention relates to geotechnical engineering model test apparatus is used for, more particularly, to high-speed rail pile Reinforced subgrade long-term settlement
Model test apparatus.
Background technique
Pile Reinforced subgrade has many advantages, such as that sedimentation and deformation is small, settlement after construction is relatively easy to control, stability is high, easy for construction,
Therefore pile Reinforced subgrade is mostly used in the construction of high-speed railway, but under the long-term mobile cyclic load of train, length
Phase sedimentation is particularly significant to subgrade stability.Long-term operation if do not can be effectively controlled roadbed settles, then influences whether high-speed rail
Normal operation even will cause train derailment accident when serious, so as to cause huge economic losses and unfavorable social influence.
Currently, what is generallyd use runs deformation model test design scheme for analyzing pile soft soil reinforced roadbed for a long time and has
Two kinds, the first is to carry out on-the-spot test at pile soft soil reinforced roadbed scene, and second is carried out using scale (model) test
It is classified static(al) preloading and runs sedimentation for a long time to analyze pile soft soil reinforced roadbed.Both plan designs can be enough point
Analysis pile soft soil reinforced roadbed runs sedimentation for a long time, but both of which has some limitations.The first scheme-scene
Although test most can really obtain pile soft soil reinforced roadbed and run settlement law for a long time, since on-the-spot test works
The disadvantages of big, costly and time-consuming is measured, what is used in practical study is less.Second scheme uses scale (model) test
It carries out classification static(al) preloading and runs sedimentation for a long time to analyze pile soft soil reinforced roadbed, program loading method is static(al), nothing
Body of laws now moves the characteristics of cyclic load.
Summary of the invention
In order to overcome the shortcomings in the background art, the object of the present invention is to provide high-speed rail piles under a kind of mobile cyclic load
The model test apparatus of Reinforced subgrade long-term settlement.
To achieve the above object, the technical scheme is that：
One kind runing deformation model test device for moving high-speed rail pile Reinforced subgrade under cyclic load for a long time, including with
Ground is fixedly connected with peripheral frame (1), model casing (2), train load simulation system and data collection system；
The train load simulation system includes simulating horizontal movement system, the simulation train axis weight that train moves horizontally
Vertical loading system and controller, vertical loading system and horizontal movement system are controlled by controller, i.e., train load is simulated
System is under controller for simulating the operating status on train rail；
1 top of peripheral frame setting hydraulic pressure lifting device (3) and reaction frame (4), reaction frame (4) top is for setting
Vertical loading system and horizontal movement system are set, load plate (10) are set at peripheral frame (1) lower part face reaction frame (4)；Institute
It states in peripheral frame (1) and model casing (2) is set；High-speed rail pile Reinforced subgrade model is loaded inside the model casing (2), it is described to add
Support plate (10) is arranged on high-speed rail pile Reinforced subgrade model face；The data collection system is for acquiring train load simulation system
It unites in the test data of different operating status drags.
The vertical loading system includes single-wheel trolley (9), actuator (8) and dandy horse (7), the actuator
(8) the single-wheel trolley (9) of the dandy horse (7) and lower section that are located above is between the two, wherein at the top of the dandy horse (7)
Idler wheel is placed in reaction frame (4) top and can be mobile along reaction frame (4) length direction；Dandy horse (7) bottom is fixed to be connected
It connects on hydraulic actuator (8)；The hydraulic actuator (8) is bolted at the top of single-wheel trolley (9)；The single-wheel trolley
(9) bottom is placed on load plate (10) in orbit for simulating train；The horizontal movement system includes traction electric machine
(5), traction rope (6) and dandy horse (7), wherein the traction electric machine (5) is located on reaction frame (4) for being dandy horse
The power moved horizontally is provided；The traction rope (6) is used to connect the output shaft and dandy horse (7) of traction electric machine (5), thus
Drive dandy horse (7) mobile when rotating traction electric machine (5)；The traction electric machine and actuator are all connected to controller.
It further limits, the reaction frame (4) upper surface is provided with double track, mobile convenient for dandy horse (7)；Described
Load plate (10), upper surface is provided with sliding rail, moves on the slide rail convenient for single-wheel trolley (9).
The high-speed rail pile Reinforced subgrade model includes that rubble supporting course (11), the ground being successively laid with from top to bottom are filled out
Native (12), model grid and blotter (13) and embankment filled soil (14), wherein ground bankets, and (12) are interior to be disposed with hollow mould
Type tubular pole (15)；
The load plate (10) is arranged on embankment filled soil (14).
The data collection system includes foil gauge, and the foil gauge sticks in the inner wall of model tubular pole (15) for measuring
Survey pile shaft force distribution.
Two in the model tubular pole (15) are used as test pile, and the test pile is adhesive with 9 strains in pile body inner wall
Piece is provided with osculum for measuring pile strain, and in pile body top-side, convenient for the extraction of conducting wire.
The data collection system includes film earth pressure gauge, and the stake of foundation surface is arranged in the film earth pressure gauge
Crown and inter-pile soil center are for measuring stake top and inter-pile soil pressure.
The data collection system includes LVDT displacement sensor, and the LVDT displacement sensor is arranged in foundation surface
With embankment top surface for measuring Foundation Part sedimentation and total settlement respectively.
The present invention has the following advantages that：
1, the vertical loading system of train load simulation system applies sinusoidal load using actuator, can be according to different tests
Scheme inputs different load amplitudes and frequency and realizes sinusoidal load to control hydraulic actuator, can preferably simulate high-speed rail pile
Long-term settlement of the Reinforced subgrade under different lines axle weight and different speeds.
2, the horizontal movement system cooperation of train load simulation system is located at the lifter in peripheral frame, it can be achieved that unidirectional
Mobile load, to preferably simulate Ground Induced by Train Moving.
3, earth pressure gauge and LVDT displacement meter can the real time measure stake soil pressure and foundation surface sedimentation, so as to monitor
Test pile soil stress is shared and roadbed long-term settlement.
Detailed description of the invention
With reference to the accompanying drawing and embodiment is described in detail the present invention：
Fig. 1 is the structural diagram of the present invention
Fig. 2 is the A-A cross-sectional view of the structure of Fig. 1
Fig. 3 is the B-B cross-sectional view of the structure of Fig. 1
Fig. 4 is loading system sectional view
Fig. 5 is test model test pile 1,2 detail drawings
Numeral mark：
1 peripheral frame, 2 model casings, 3 hydraulic pressure lifting devices, 4 reaction frames, 5 traction electric machines, 6 traction ropes, 7 dandy horses, 8 liquid
Pressure actuator, 9 single-wheel trolleies, 10 load plates, 11 rubble supporting courses, 12 grounds banket, 13 model grids and blotter, 14 tunnels
Dike bankets, 15 model tubular poles.
S11, S12, S13...S19 and S21, S22, S123...S29 are to be pasted onto answering for test pile 1 and 2 pile body of test pile
Become piece.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of experimental rig for simulating high-speed rail pile Reinforced subgrade long-term settlement under mobile cyclic load, as shown in Figure 1, should
Device includes peripheral frame 1, model casing 2, jacking system, train load simulation system and data collection system.
The model casing 2 is placed in peripheral frame 1, and model casing 2 is 2000mm × 1000mm × 1400mm cuboid.Such as
Shown in Fig. 2, Fig. 3, rubble is laid in 2 bottom of model casing and is densified to 10cm height as rubble supporting course 11.In rubble holding force
11 higher slice filling test of layer banket 12 with ground, and are densified to 100cm height.In foundation soil body corresponding position according to test
Pile arrangement squeezes into model tubular pole 15, then lays film earth pressure gauge in 15 crown of model tubular pole and inter-pile soil body portion.?
Foundation soil body surface is laid with a layer model grid, is then filled with blotter, re-lays a layer model lattice on blotter top
Grid form model grid and blotter 13.Pressing side slope rate on model grid top is 1:1.5 placement in layers embankment fill material-AB material
As embankment filled soil 14,14 height of embankment filled soil is 18cm.In embankment top layout load plate 10, the load plate 10 is along road
The length direction of dike arranges that 10 upper surface position of center line of load plate is provided with sliding rail.
The jacking system includes reaction frame 4 and lifting assembly, and the reaction frame 4 is arranged in parallel in the top of embankment, instead
The upside of power frame 4 is provided with sliding slot and moves for train load simulation system along the length direction of reaction frame 4.The lifting assembly
Including two lifting elements, in the present embodiment using hydraulic pressure lifting device 3.There are two the hydraulic pressure lifting devices 3, pacifies respectively
Mounted in the both ends of reaction frame 4, the upper end of hydraulic pressure lifting device 3 is mounted on the downside of reaction frame 4, the lower end installation of hydraulic pressure lifting device 3
In peripheral frame 1, to realize the lifting for driving reaction frame 4 by hydraulic pressure lifting device 3.
As shown in figure 4, the train load simulation system includes dandy horse 7, hydraulic actuator 8, single-wheel trolley 9 is led
Draw motor 5 and traction rope 6.
Dandy horse 7, hydraulic actuator 8 and single-wheel trolley 9 constitute the vertical loading system of train load simulation system.
The upper end of hydraulic actuator 8 is mounted on the bottom of dandy horse 7, and the lower end of hydraulic actuator 8 is solid by bolt and single-wheel trolley 9
It is fixed, for allowing dandy horse 7 to move along the chute in the sliding slot that the idler wheel of dandy horse 7 is arranged on reaction frame 4, single-wheel trolley 9
Idler wheel be placed in the sliding rail of load plate 10 for allowing single-wheel trolley 9 to move along the sliding rail in load plate 10.
Dandy horse 7, traction electric machine 5 and traction rope 6 constitute the horizontal movement system of train load simulation system.Wherein,
There are two traction electric machines 5, is separately fixed at the both ends of 4 upside of reaction frame, is coaxially installed with expansion in the shaft of each traction electric machine 5
Large cylinder；The traction rope 6 has two, and one end of each traction rope 6 is connect with cylinder is expanded, and the other end is connected to dandy horse
On 7.Traction electric machine 5 drives coaxial expansion rotary drum, and the shifting of dandy horse 7 is realized in the winding on expanding cylinder of traction rope 6
It is dynamic.
Traction electric machine 5 and hydraulic actuator 8 are all connected to controller for controlled level mobile system and vertical load system
System.
As shown in Fig. 2, Fig. 5, the data collection system includes diaphragm gauge, foil gauge and LVDT displacement sensor,
The film earth pressure gauge is laid in 15 crown of model tubular pole and inter-pile soil body center for measuring stake top and inter-pile soil pressure.Such as
Shown in Fig. 5, two model tubular poles 15 are chosen as test tubular pole, according to the length of test tubular pole in each inner wall for testing tubular pole
Foil gauge is vertically pasted, 9 foil gauges is vertically pasted from top to bottom in the inner wall for testing tubular pole in the present embodiment and is used to measure stake
The distribution of body axle power.LVDT displacement sensor respectively arranges one in foundation surface and embankment top surface, for measuring Foundation Part respectively
Sedimentation and total settlement.
According to shown in Fig. 1, Fig. 2, model is installed and fills high-speed rail pile Reinforced subgrade model.After being controlled by controller
The traction electric machine 5 at end rotates, and dandy horse 7 is moved to sliding rail rear end by traction rope 6 by traction electric machine 5.Due to being after sliding rail
End starts to be further applied load, and in order to keep test data more accurate, small 9 vehicle of single-wheel uses spiral shell after dandy horse 7 moves to sliding rail rear end
Bolt by single-wheel trolley 9 and hydraulic actuator 8 connect by controller control the corresponding load amplitude of vertical loading system generation and
Frequency makes horizontally tracting motor 5 generate corresponding speed operation.When front end traction electric machine 5 is run, the synchronous fortune of vertical actuator
Row, rear end motor do not work；When reaching model front end, front end traction electric machine 5 and vertical actuator synchronize stop working, at this time
It controls it and controls 3 rising value certain altitude of hydraulic pressure lifting device, then rear end traction electric machine 5 works；When 2 rear end of arrival mode case
When, rear end traction electric machine 5 stops working, and hydraulic pressure lifting device 3 declines, and contacts single-wheel trolley 9 with load plate 10, then front end is led
Draw motor 5 and the synchronous operation of vertical actuator.
According to test actual conditions, until reaching test requirements document number by above-mentioned steps CYCLIC LOADING number, off-test
Afterwards, vertical hydraulic actuator 8 and traction electric machine 5 are stopped by controller.It is heavy to measure stake Pressure Share of Filling, pile strain and roadbed
Changing rule with cycle-index drops.
Claims (8)
1. one kind runs deformation model test device for moving high-speed rail pile Reinforced subgrade under cyclic load for a long time, feature exists
In：Including being fixedly connected with the ground peripheral frame (1), model casing (2), train load simulation system and data collection system；
The train load simulation system include simulate train move horizontally horizontal movement system, simulation train axis weight it is vertical
Loading system and controller, vertical loading system and horizontal movement system are controlled by controller, i.e. train load simulation system
For simulating the operating status on train rail under controller；
1 top of peripheral frame setting hydraulic pressure lifting device (3) and reaction frame (4), reaction frame (4) top are perpendicular for being arranged
To loading system and horizontal movement system, load plate (10) are set at peripheral frame (1) lower part face reaction frame (4)；
Model casing (2) are set in the peripheral frame (1)；
High-speed rail pile Reinforced subgrade model is loaded inside the model casing (2), load plate (10) setting adds in high-speed rail pile
On muscle roadbed model face；
The data collection system is for acquiring train load simulation system in the test data of different operating status drags.
2. high-speed rail pile Reinforced subgrade runs deformation model test device for a long time under mobile cyclic load described in, and feature exists
In：The vertical loading system includes single-wheel trolley (9), actuator (8) and dandy horse (7), actuator (8) connection
Between the single-wheel trolley (9) of the dandy horse (7) being located above and lower section, wherein
Dandy horse (7) top rollers are placed in reaction frame (4) top and can be mobile along reaction frame (4) length direction；
Dandy horse (7) bottom is fixedly connected on actuator (8)；
The actuator (8) is bolted at the top of single-wheel trolley (9)；
Single-wheel trolley (9) bottom is placed on load plate (10) in orbit for simulating train；
The horizontal movement system includes traction electric machine (5), traction rope (6) and dandy horse (7), wherein
The traction electric machine (5) is located on reaction frame (4) for providing the power moved horizontally for dandy horse；
The traction rope (6) is used to connect the output shaft and dandy horse (7) of traction electric machine (5), so that traction electric machine (5) be made to turn
Drive dandy horse (7) mobile when dynamic；
The traction electric machine (5) and actuator (8) are all connected to controller.
3. high-speed rail pile Reinforced subgrade runs deformation model test dress for a long time under mobile cyclic load as described in claim 1
It sets, it is characterised in that：Described reaction frame (4) upper surface is provided with double track, mobile convenient for dandy horse (7)；
The load plate (10), upper surface is provided with sliding rail, moves on the slide rail convenient for single-wheel trolley (9).
4. high-speed rail pile Reinforced subgrade runs deformation model test dress for a long time under mobile cyclic load as described in claim 1
It sets, it is characterised in that：
The high-speed rail pile Reinforced subgrade model includes that rubble supporting course (11), the ground being successively laid with from top to bottom banket
(12), model grid and blotter (13) and embankment filled soil (14), wherein ground bankets, and (12) are interior to be disposed with hollow model
Tubular pole (15)；
The load plate (10) is arranged on embankment filled soil (14).
5. high-speed rail pile Reinforced subgrade runs deformation model test dress for a long time under mobile cyclic load as described in claim 1
It sets, it is characterised in that：The data collection system includes foil gauge, and the foil gauge sticks in the inner wall of model tubular pole (15)
For measuring pile shaft force distribution.
6. high-speed rail pile Reinforced subgrade runs deformation model test dress for a long time under mobile cyclic load as claimed in claim 5
It sets, it is characterised in that：Two in the model tubular pole (15) are used as test pile, and the test pile is adhesive with 9 in pile body inner wall
A foil gauge is provided with osculum for measuring pile strain, and in pile body top-side, convenient for the extraction of conducting wire.
7. high-speed rail pile Reinforced subgrade runs deformation model test dress for a long time under mobile cyclic load as described in claim 1
It sets, it is characterised in that：The data collection system includes film earth pressure gauge, and the film earth pressure gauge is arranged in ground base table
The pile cover top and inter-pile soil center in face are for measuring stake top and inter-pile soil pressure.
8. high-speed rail pile Reinforced subgrade runs deformation model test dress for a long time under mobile cyclic load as described in claim 1
It sets, it is characterised in that：The data collection system includes LVDT displacement sensor, and the LVDT displacement sensor is arranged in ground
Primary surface and embankment top surface for measuring Foundation Part sedimentation and total settlement respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487055.8A CN108914982A (en) | 2018-05-21 | 2018-05-21 | High-speed rail pile Reinforced subgrade long-term settlement model test apparatus under mobile cyclic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487055.8A CN108914982A (en) | 2018-05-21 | 2018-05-21 | High-speed rail pile Reinforced subgrade long-term settlement model test apparatus under mobile cyclic load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108914982A true CN108914982A (en) | 2018-11-30 |
Family
ID=64403835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810487055.8A Pending CN108914982A (en) | 2018-05-21 | 2018-05-21 | High-speed rail pile Reinforced subgrade long-term settlement model test apparatus under mobile cyclic load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108914982A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398417A (en) * | 2019-08-08 | 2019-11-01 | 西南交通大学 | The device of High-speed Train Loads is simulated in a kind of railway bed On-site Loading Test of Rc |
| CN110409518A (en) * | 2019-07-12 | 2019-11-05 | 河南理工大学 | A kind of high-speed railway goaf ground intends power stress model experimental rig and method |
| CN111610094A (en) * | 2020-05-29 | 2020-09-01 | 西南交通大学 | Model test device and test method for high-speed railway roadbed passing karez |
| CN112213135A (en) * | 2020-09-28 | 2021-01-12 | 同济大学 | Variable vehicle load model test device and test method |
| CN113049364A (en) * | 2021-03-25 | 2021-06-29 | 中国科学院西北生态环境资源研究院 | Dynamic characteristic testing device and dynamic characteristic testing method |
| CN113790986A (en) * | 2021-09-23 | 2021-12-14 | 中北大学 | Indoor model for monitoring settlement deformation of reinforced soil by utilizing annular runway |
| GB2596165A (en) * | 2019-07-12 | 2021-12-22 | Univ Henan Polytechnic | High-speed railway goaf foundation pseudo-dynamic loading model test apparatus and method |
| CN113884320A (en) * | 2021-09-16 | 2022-01-04 | 中铁西北科学研究院有限公司 | Device and method for simulating train load power test |
| CN115032009A (en) * | 2022-06-13 | 2022-09-09 | 浙江大学 | Vertical cyclic loading simulation device and method for high-speed railway pile foundation of supergravity experiment cabin |
| CN115262662A (en) * | 2022-06-23 | 2022-11-01 | 中建东设岩土工程有限公司 | Suspension type cement mixing pile composite foundation indoor model test device |
| CN115538404A (en) * | 2022-12-01 | 2022-12-30 | 中国科学院、水利部成都山地灾害与环境研究所 | Dynamic circulation load lower pile net structure load sharing test device and test method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217348A (en) * | 2013-04-12 | 2013-07-24 | 同济大学 | Testing device for simulating mechanical behaviors of gravel soil subgrade under reciprocating traffic moving load |
| CN104727354A (en) * | 2015-02-25 | 2015-06-24 | 中国科学院力学研究所 | Testing system simulating ultimate dynamic bearing capacity of cyclic load lower plate anchor |
| CN205786610U (en) * | 2016-05-12 | 2016-12-07 | 同济大学 | High ferro pile Reinforced subgrade two-way soil arch coupling effect physical model test device |
| CN106836318A (en) * | 2017-02-28 | 2017-06-13 | 山东大学 | Study the combined type proportional loading experimental rig and method of pile-soil interaction |
-
2018
- 2018-05-21 CN CN201810487055.8A patent/CN108914982A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217348A (en) * | 2013-04-12 | 2013-07-24 | 同济大学 | Testing device for simulating mechanical behaviors of gravel soil subgrade under reciprocating traffic moving load |
| CN104727354A (en) * | 2015-02-25 | 2015-06-24 | 中国科学院力学研究所 | Testing system simulating ultimate dynamic bearing capacity of cyclic load lower plate anchor |
| CN205786610U (en) * | 2016-05-12 | 2016-12-07 | 同济大学 | High ferro pile Reinforced subgrade two-way soil arch coupling effect physical model test device |
| CN106836318A (en) * | 2017-02-28 | 2017-06-13 | 山东大学 | Study the combined type proportional loading experimental rig and method of pile-soil interaction |
Non-Patent Citations (1)
| Title |
|---|
| 吕玺琳，马 泉，方 航: "高铁桩网复合结构路基长期运营沉降模型试验研究", 《岩土工程学报》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2596165A (en) * | 2019-07-12 | 2021-12-22 | Univ Henan Polytechnic | High-speed railway goaf foundation pseudo-dynamic loading model test apparatus and method |
| CN110409518A (en) * | 2019-07-12 | 2019-11-05 | 河南理工大学 | A kind of high-speed railway goaf ground intends power stress model experimental rig and method |
| WO2021008278A1 (en) * | 2019-07-12 | 2021-01-21 | 河南理工大学 | High-speed railway goaf foundation pseudo-dynamic loading model test apparatus and method |
| GB2596165B (en) * | 2019-07-12 | 2023-08-16 | Univ Henan Polytechnic | Pseudo-dynamic loading model test apparatus and method for high-speed railway foundation in mined-out area |
| CN110398417A (en) * | 2019-08-08 | 2019-11-01 | 西南交通大学 | The device of High-speed Train Loads is simulated in a kind of railway bed On-site Loading Test of Rc |
| CN111610094A (en) * | 2020-05-29 | 2020-09-01 | 西南交通大学 | Model test device and test method for high-speed railway roadbed passing karez |
| CN111610094B (en) * | 2020-05-29 | 2021-05-07 | 西南交通大学 | Model test device and test method for high-speed railway roadbed passing karez |
| CN112213135A (en) * | 2020-09-28 | 2021-01-12 | 同济大学 | Variable vehicle load model test device and test method |
| CN112213135B (en) * | 2020-09-28 | 2021-11-09 | 同济大学 | Variable vehicle load model test device and test method |
| CN113049364A (en) * | 2021-03-25 | 2021-06-29 | 中国科学院西北生态环境资源研究院 | Dynamic characteristic testing device and dynamic characteristic testing method |
| CN113884320A (en) * | 2021-09-16 | 2022-01-04 | 中铁西北科学研究院有限公司 | Device and method for simulating train load power test |
| CN113790986A (en) * | 2021-09-23 | 2021-12-14 | 中北大学 | Indoor model for monitoring settlement deformation of reinforced soil by utilizing annular runway |
| CN115032009A (en) * | 2022-06-13 | 2022-09-09 | 浙江大学 | Vertical cyclic loading simulation device and method for high-speed railway pile foundation of supergravity experiment cabin |
| CN115262662A (en) * | 2022-06-23 | 2022-11-01 | 中建东设岩土工程有限公司 | Suspension type cement mixing pile composite foundation indoor model test device |
| CN115538404A (en) * | 2022-12-01 | 2022-12-30 | 中国科学院、水利部成都山地灾害与环境研究所 | Dynamic circulation load lower pile net structure load sharing test device and test method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108914982A (en) | High-speed rail pile Reinforced subgrade long-term settlement model test apparatus under mobile cyclic load | |
| CN202247966U (en) | Model test device for simulating pile-supported embankment under complex load condition | |
| CN106120876B (en) | A kind of dynamic cyclic load retaining wall model test apparatus and test method | |
| CN104007246B (en) | The controlled sliding surface slope stability similar test system of three-dimensional coupling | |
| CN107100210B (en) | The pile-soil interaction mechanical behavior of controllable ambient stress tests system | |
| CN104568568B (en) | A kind of multi-point exciting formula aircraft loads model test apparatus and its application process | |
| CN102493499A (en) | Model test device for measuring composite foundation lateral deformation and layered sedimentation | |
| CN102108656A (en) | System for kinetic model test of ballastless track subgrade of high-speed railway | |
| CN101435746A (en) | Comprehensive test system of shield tunnel construction model | |
| CN102607754A (en) | Device for measuring negative skin friction of pile soil | |
| CN110940571B (en) | Test device for simulating dynamic soil arch effect of shed frame structure | |
| CN104674856B (en) | Base Pit Excavation Simulation device when hypergravity | |
| CN106351268B (en) | A kind of lateral loading stake soil dynamic response model test box | |
| CN102914475A (en) | Shear test device for observing mechanical property of interface between underwater soil and structure | |
| CN104132833B (en) | Ultra-deep excavation centrifuge model test simulation apparatus and testing method thereof | |
| CN111610094B (en) | Model test device and test method for high-speed railway roadbed passing karez | |
| CN106124145A (en) | The model test apparatus of many sliding surfaces landslide tunnel, location impact under oscillatory load | |
| CN105527404A (en) | Test system and method for simulating ground loss extension in shield tunnel vertical section | |
| CN204163126U (en) | Foundation three-freedom moving static loading experimental rig | |
| CN104294864B (en) | Shallow foundation V-H-M space loading experiments of measuring device | |
| CN108442418A (en) | Tunnel in centrifugal field Stratum Loss influences simulation system and analogy method to pile foundation | |
| CN101435208B (en) | Device and method for monitoring uneven settlement of earth slit formation tunnel | |
| CN204590103U (en) | Base Pit Excavation Simulation device under hypergravity condition | |
| CN113029780B (en) | Method and device for simulating soil slope filling process | |
| CN212340590U (en) | Device for simulating vibration load of tunnel train |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |