CN207231911U - A kind of stake Soil Interface pilot model apparatus for considering temperature action - Google Patents
A kind of stake Soil Interface pilot model apparatus for considering temperature action Download PDFInfo
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- CN207231911U CN207231911U CN201721262397.7U CN201721262397U CN207231911U CN 207231911 U CN207231911 U CN 207231911U CN 201721262397 U CN201721262397 U CN 201721262397U CN 207231911 U CN207231911 U CN 207231911U
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Abstract
The utility model provides a kind of stake Soil Interface pilot model apparatus for considering temperature action, it includes：Reaction frame；Model bucket, is fixed on above reaction frame, and the model bucket is used to house soil sample；Model Pile, passes vertically through in the middle part of model bucket, and the Model Pile outer wall is contacted with the soil sample in model bucket；Load maintainer, is arranged on reaction frame and is connected with Model Pile, and the load maintainer is used for the stress for applying vertical direction to Model Pile；Constant-temperature heating system, is connected with Model Pile, and the constant-temperature heating system simulation geothermal energy resources stake mode of heating heats Model Pile, then transfers heat to soil sample, and temperature change is formed in stake Soil Interface.The stake Soil Interface pilot model apparatus of this consideration temperature action is suitable for research Piles for Friction Piles stake Soil Interface characteristic variations under temperature load.
Description
Technical field
The utility model belongs to pile foundation engineering technique field, is related to a kind of stake Soil Interface test model for considering temperature action
Device.
Background technology
Earth source heat pump is also referred to as geothermal heat pump, it is cooling source, heat supply in winter that can be as heat pump cooling in summer using ground source
Low-temperature heat source, while can realize a kind of system of heating, refrigeration and domestic water.The vertical buried pipe of geothermal heat pump air-conditioning system
Geothermal heat exchanger is the underground pipe geothermal heat exchanger that underground buried tube is set in some vertical drilling holes.The 1980s,
Engineers, which are attempted heat exchanger tube being placed in the structures such as pile foundation, sole plate and the diaphram wall of building, to be used for substituting biography
The ground heat exchanger of system, not only saves place and greatly reduces the cost of ground-source heat pump system.It is this directly
The plastic heat exchanger tube of ground-source heat pump system ground heat exchanger is embedded in the concrete pipe base of building, makes itself and building structure
The novel underground heat exchange of heat pipe being combined, is referred to as pile foundation pipe laying geothermal heat exchanger, also referred to as geothermal energy resources stake.
In the past twenty years, the use rapid development of geothermal energy resources stake, it is come as an effective energy now
Source, compared to traditional energy, has and cleans and efficient good characteristics, will not produce greenhouse gases and harmful substance, while on the spot
Take thermal energy.
Common pile foundation is compared in geothermal energy resources stake, except the load of upper building, also in addition receives hot load, is influenced
Ultimate Bearing Capacity and displacement sedimentation, so as to have impact on top buildings or structures equal strength and stability.Therefore, it is necessary to
The mechanical property of pile foundation is analysed in depth, and the mechanical response of pile body and pile peripheral earth, external manifestation are Pile-soil contact faces
Shear property.But it is very few to this research both at home and abroad, and most of is field experiment, and the cycle is grown, repeatable low, cost
It is high.It is very rare, it is necessary to which a suitable model equipment, additionally needs a heating system to it to the laboratory test of this research
Simulation geothermal energy resources stake mode is heated.
The content of the invention
The purpose of this utility model is that there are the above problem for existing technology, it is proposed that one kind is suitable for research friction
The stake Soil Interface pilot model apparatus of type stake consideration temperature action of stake Soil Interface characteristic variations under temperature load.
The purpose of this utility model can be realized by following technical proposal：A kind of stake pedosphere interview for considering temperature action
Model equipment is tested, including：
Reaction frame；
Model bucket, is fixed on above reaction frame, and the model bucket is used to house soil sample；
Model Pile, passes vertically through in the middle part of model bucket, and the Model Pile outer wall is contacted with the soil sample in model bucket；
Load maintainer, is arranged on reaction frame and is connected with Model Pile, and the load maintainer is used to apply Model Pile perpendicular
Nogata to stress；
Constant-temperature heating system, is connected with Model Pile, and the constant-temperature heating system simulates geothermal energy resources stake mode of heating to mould
Type stake is heated, then transfers heat to soil sample, and temperature change is formed in stake Soil Interface.
As further improvement of the utility model, the load maintainer is arranged to be installed on the normal direction loading in reaction frame
Structure, is mounted with pressure sensor, the Model Pile is through model bucket center and is placed in pressure sensing at the top of load maintainer
On device.
As further improvement of the utility model, the constant-temperature heating system includes heating bath and is placed in heating bath
Conductive fluid, the conductive fluid are connected by heat conducting pipe with Model Pile, and steady temperature is reached in heating bath, and Model Pile can be carried out
Heated at constant temperature.
Further as the utility model is improved, and heat conducting pipe is embedded with Model Pile, is additionally provided with heating bath
For conductive fluid to be pumped into the immersible pump of heat conducting pipe, the heat conducting pipe connection immersible pump and Model Pile and is eventually returned to heating bath,
Forming circuit.
Further as the utility model is improved, and at least one set of U-shaped heat conducting pipe is embedded with Model Pile.
Further as the utility model is improved, and the constant-temperature heating system further includes intelligent temperature controller, for adding
The electric heating tube of thermal conductivity hydrothermal solution, submerge temperature probe in conductive fluid, and the intelligent temperature controller is visited with electric heating tube, thermometric respectively
Head electrical connection.
As further improvement of the utility model, the model bucket lower part is fixed on reaction frame by fixator, and
Upper cover plate is equipped with model bucket upper cap.
As further improvement of the utility model, temperature sensor data collector is provided outside in model bucket, in soil
Temperature gauge head is embedded with sample at preset height.
Further as the utility model is improved, and the temperature gauge head is provided parallel to multiple, the temperature survey
Head is arranged on same preset height and the distance of each temperature gauge head and model bucket is different.
As another improvement of the utility model, the constant-temperature heating system can carry out Model Pile heating repeatedly and drop
Temperature.
Based on above-mentioned technical proposal, the utility model embodiment can at least produce following technique effect：This consideration temperature
The stake Soil Interface pilot model apparatus of effect not only includes model bucket, Model Pile, load maintainer, is also provided with heated at constant temperature system
System, Model Pile is through model bucket and is placed on load maintainer, and placement in layers compacting soil sample in model bucket, load maintainer is under
Portion applies pressure upwards, and Model Pile can only carry out the movement of vertical direction, all Soil Interface frictional force of pile body resistance, mould
The force way of friction pile is intended, has been Stress Control formula research stake soil frictional behavior closer to actual stake Soil Interface situation；On
It is brand-new soil test heat form to state constant-temperature heating system, and simulation geothermal energy resources stake principle of heating heats Model Pile,
Heat is delivered to soil sample (soil body) around by Model Pile, forms assigned temperature change in the contact surface of Model Pile and soil, is suitable for
Study Piles for Friction Piles stake Soil Interface characteristic variations under temperature load.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structure diagram of one preferred embodiment of the utility model.
Fig. 2 is the structure diagram at another visual angle of one preferred embodiment of the utility model.
Fig. 3 is the structure diagram of constant-temperature heating system in one preferred embodiment of the utility model.
In figure, 10, reaction frame；20th, model bucket；30th, soil sample；40th, Model Pile；50th, load maintainer；60th, heated at constant temperature system
System；61st, heating bath；62nd, conductive fluid；63rd, heat conducting pipe；64th, immersible pump；65th, intelligent temperature controller；66th, electric heating tube；67th, thermometric
Probe；70th, pressure sensor；80th, displacement dial gauge；90th, fixator；100th, upper cover plate；110th, temperature sensor data is collected
Device；120th, temperature gauge head；130th, lower raft.
Embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
The purpose of the utility model is to overcome defect existing in the prior art and missing, seeks design and provides a kind of model
Stake experimental rig, simulates stake soil contact form, and external constant temperature heating system completely, carries out simulation geothermal energy resources stake by temperature lotus
The change of the lower stake Soil Interface frictional force of load effect.
Specifically, technical solution provided by the utility model is illustrated in more detail with reference to Fig. 1 to Fig. 3.
As shown in Figure 1 to Figure 3, the stake Soil Interface pilot model apparatus of this consideration temperature action includes：
Reaction frame 10, is preferably that reaction frame 10 is fixed in lower part, fixed and installation lower part is connected with 10 lower part of reaction frame
Bottom plate 130；
Model bucket 20, is fixed on the top of reaction frame 10, and the model bucket 20 is used to house soil sample 30；
Model Pile 40, passes vertically through the middle part of model bucket 20, and 40 outer wall of Model Pile connects with the soil sample 30 in model bucket 20
Touch；
Load maintainer 50, is arranged on reaction frame 10 and is connected with Model Pile 40, and the load maintainer 50 is used for model
Stake 40 applies the stress of vertical direction；
Constant-temperature heating system 60, is connected with Model Pile 40, and the constant-temperature heating system 60 simulates geothermal energy resources stake heating side
Formula heats Model Pile 40, then transfers heat to soil sample 30, and temperature change is formed in stake Soil Interface.
In the utility model, preferably vertically (normal orientation) initially passes through model bucket 20 and wears again above-mentioned Model Pile 40
The corresponding position of reaction frame 10 is crossed, the lower end of last Model Pile 40 is docked with load maintainer 50, and 40 upper end of Model Pile adds with constant temperature
Hot systems 60 dock；Preset diameters circular hole is reserved at 20 center of model bucket, and 40 diameter of Model Pile is slightly less than above-mentioned preset diameters, avoids
It is open interior wall friction with model bucket 20, placement in layers compacting soil sample 30, is in close contact, Model Pile with Model Pile 40 in model bucket 20
40 lower support are on load maintainer 50.
The utility model protects a kind of model equipment, is specifically a kind of stake Soil Interface test model dress for considering temperature action
Put, suitable for having under temperature change effect, the research of friction-type pile body and mechanics characteristic of soil contact face.
The stake Soil Interface pilot model apparatus of this consideration temperature action not only includes model bucket 20, Model Pile 40, loading machine
Structure 50, is also provided with constant-temperature heating system 60, Model Pile 40 is through model bucket 20 and is placed on load maintainer 50, model bucket 20
Soil sample 30 is tamped in interior placement in layers, and load maintainer 50 applies pressure upwards by lower part, and Model Pile 40 can only carry out vertical direction
Movement, all Soil Interface frictional force of pile body resistance (i.e. with the frictional force of soil sample 30), simulates the stress of friction pile
Mode, is Stress Control formula research stake soil frictional behavior closer to actual stake Soil Interface situation；Above-mentioned constant-temperature heating system 60
For brand-new soil test heat form, simulation geothermal energy resources stake principle of heating heats Model Pile 40, and heat is by Model Pile
40 are delivered to soil sample 30 (soil body) around, form assigned temperature change in the contact surface of Model Pile 40 and soil, rub suitable for research
Wiping type stake stake Soil Interface characteristic variations under temperature load.
Further, load maintainer 50 is arranged to the normal direction loading structure being installed on by fixed structure in reaction frame 10,
The pressure sensor 70 in reaction frame 10 is mounted with the top of load maintainer 50, the Model Pile 40 is passed through in model bucket 20
The heart is simultaneously placed on pressure sensor 70；Also, the displacement dial gauge 80 being connected with load maintainer 50 is further preferably provided with, respectively
Measurement loading force and displacement in real time.
So the utility model can change the normal stress (i.e. above-mentioned vertical direction stress) of native stone and material of body of a pile, research
The shear property at interface under different normal stresses.
As a kind of preferred or optional embodiment, constant-temperature heating system 60 includes heating bath 61 and is placed in heating bath 61
Interior conductive fluid 62, the conductive fluid 62 are connected by heat conducting pipe 63 with Model Pile 40, reach steady temperature in heating bath 61,
Heated at constant temperature can be carried out to Model Pile 40, ensure the stability of heating process, and then stake Soil Interface under reliable research thermogenic action
The change of shear property.
Further, heat conducting pipe 63 is embedded with Model Pile 40, is additionally provided with and is used for conductive fluid 62 in heating bath 61
The immersible pump 64 of heat conducting pipe 63 is pumped into, the heat conducting pipe 63 connects immersible pump 64 and Model Pile 40 and is eventually returned to heating bath 61,
Forming circuit, during work, heats Model Pile 40 and is delivered in soil sample 30.
Above-mentioned 63 preferred distance Model Pile of heat conducting pipe, 40 edge 8-12mm (more preferably 10mm).Immersible pump 64 is with leading
Heat pipe 63 connects, and after steady temperature is heated to, the conductive fluid 62 of constant temperature enters inside Model Pile 40 via heat conducting pipe 63 to flow again
Go out, Model Pile 40 is heated, Model Pile 40 is reached steady temperature, and by heat transfer, soil sample 30 is heated,
The contact surface of Model Pile 40 and native (stone) forms the setting temperature difference.
Preferably, at least one set of U-shaped heat conducting pipe 63 is embedded with Model Pile 40, its bending place can be right angle or circle
Angle, the heat conducting pipe 63 being further preferably embedded in Model Pile 40 are arranged to evenly arranged three groups successively；Such structure is set
Put so that Model Pile 40 heats more efficient, stabilization, ensures the reliability of work.
Further, above-mentioned constant-temperature heating system 60 further includes intelligent temperature controller 65, the electricity for heating conductive fluid 62
Heating tube 66, submerge temperature probe 67 in conductive fluid 62, the intelligent temperature controller 65 respectively with electric heating tube 66, temperature probe
67 electrical connections.
Immersible pump 64, electric heating tube 66, conductive fluid 62 and temperature probe 67 are placed in heating bath 61, temperature probe 67 is right
Conductive fluid 62 carries out temperature survey in heating bath 61, and 67 signal output of temperature probe and the signal receiving end of intelligent temperature controller 65 connect
Connect, when 62 temperature of conductive fluid reaches setting value in heating bath 61, intelligent temperature controller 65 controls electric heating tube 66 to be stopped.
The utility model utilizes intelligent temperature controller 65 and temperature probe 67, can adjust the temperature of conductive fluid 62 in heating bath 61
Degree, constant temperature heat Model Pile 40.
Preferably, 20 lower part of model bucket is fixed on reaction frame 10 by fixator 90, and in 20 upper cap of model bucket
Equipped with upper cover plate 100；During installation, upper cover plate 100 covers soil sample 30, and Model Pile 40 is through upper cover plate 100 and stretches into soil sample 30.
To ensure the accuracy of the reliability of temperature detection and experiment, it is preferable that be provided outside temperature in model bucket 20
Sensor data collection device 110, is embedded with temperature gauge head 120 in soil sample 30 at preset height；Further, temperature gauge head
120 are provided parallel to multiple, and temperature gauge head 120 is arranged on same preset height and each temperature gauge head 120 and model bucket 20
Apart from different.
It is preferred that bury five groups of temperature gauge heads 120 at 30 preset height of soil sample, five groups of temperature gauge heads 120 and Model Pile 40 away from
From five incremental default values are respectively preferably, 20 upper cover plate 100 of model bucket is covered when 30 height of soil sample is preset height.
It is as follows that the utility model also provides another embodiment：Model Pile 40 is grown using constant-temperature heating system 60
The cooling of heating repeatedly of time, i.e. cyclic thermal loading, mechanics of the research interface of pile-soil under cyclic thermal loading effect
Characteristic variations, by the Circularly liftable of temperature, the influence under research long-term temperature effect to interface shearing performance.
In conclusion in the utility model, model bucket 20 is placed on lower part and fixes on reaction frame 10, uses fixator 90
It is fixed；Load maintainer 50 is fixed on lower part and fixes reaction frame 10, placement force sensor 70 on load maintainer 50, Model Pile 40
It is placed in through 20 center of model bucket on pressure sensor 70；Model Pile 40 make when inside bury multigroup U-shaped heat conducting pipe 63,
There is pre-determined distance between heat conducting pipe 63 and stake edge；Soil sample 30 is tamped in placement in layers in model bucket 20, in the default height of soil sample 30
Multigroup temperature gauge head 120 is buried at degree, from the inside to the outside, temperature gauge head 120 is with Model Pile 40 apart from incremental；30 height of soil sample is pre-
If the upper cover plate 100 of model bucket 20 is covered during closing lid height.
Immersible pump 64, electric heating tube 66, conductive fluid 62 and temperature probe 67 are placed in heating bath 61, and temperature probe 67 is to leading
Hydrothermal solution 62 carries out temperature survey, and output signal is connected with the signal receiving end of intelligent temperature controller 65, when conductive fluid in heating bath 61
62 when reaching setting value, and intelligent temperature controller 65 controls electric heating tube 66 to be stopped, and heat conducting pipe 63 connects immersible pump 64 and model
Stake 40, eventually passes back to heating bath 61, is formed into a loop, Model Pile 40 is heated, and is delivered in soil sample 30.
First do not apply temperature load during experiment, Model Pile 40 is carried out to circulate vertical loading, record displacement and loading force number
According to, then stop CYCLIC LOADING, open constant-temperature heating system 60, the heating to the progress preset time of Model Pile 40, record temperature
The temperature for per moment soil around pile different distance that sensor data collection device 110 is collected, then again continues Model Pile 40
The vertical loading of circulation, obtain temperature load influences situation to friction characteristics.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
- A kind of 1. stake Soil Interface pilot model apparatus for considering temperature action, it is characterised in that：Including：Reaction frame；Model bucket, is fixed on above reaction frame, and the model bucket is used to house soil sample；Model Pile, passes vertically through in the middle part of model bucket, and the Model Pile outer wall is contacted with the soil sample in model bucket；Load maintainer, is arranged on reaction frame and is connected with Model Pile, and the load maintainer is used to apply Model Pile vertical side To stress；Constant-temperature heating system, is connected with Model Pile, and the constant-temperature heating system simulates geothermal energy resources stake mode of heating to Model Pile Heated, then transfer heat to soil sample, temperature change is formed in stake Soil Interface.
- A kind of 2. stake Soil Interface pilot model apparatus for considering temperature action according to claim 1, it is characterised in that：Institute State load maintainer and be arranged to be installed on normal direction loading structure in reaction frame, pressure sensor is mounted with the top of load maintainer, The Model Pile is through model bucket center and is placed on pressure sensor.
- A kind of 3. stake Soil Interface pilot model apparatus for considering temperature action according to claim 1, it is characterised in that：Institute Stating constant-temperature heating system includes heating bath and the conductive fluid being placed in heating bath, and the conductive fluid passes through heat conducting pipe and Model Pile phase Even, steady temperature is reached in heating bath, heated at constant temperature can be carried out to Model Pile.
- A kind of 4. stake Soil Interface pilot model apparatus for considering temperature action according to claim 3, it is characterised in that： Heat conducting pipe is embedded with Model Pile, the immersible pump for conductive fluid to be pumped into heat conducting pipe, the heat conduction are additionally provided with heating bath Pipe connects immersible pump and Model Pile and is eventually returned to heating bath, is formed into a loop.
- A kind of 5. stake Soil Interface pilot model apparatus for considering temperature action according to claim 4, it is characterised in that： At least one set of U-shaped heat conducting pipe is embedded with Model Pile.
- A kind of 6. stake Soil Interface pilot model apparatus for considering temperature action according to claim 3, it is characterised in that：Institute Constant-temperature heating system is stated to further include intelligent temperature controller, the electric heating tube for heating conductive fluid, submerge thermometric in conductive fluid and visit Head, the intelligent temperature controller are electrically connected with electric heating tube, temperature probe respectively.
- A kind of 7. stake Soil Interface pilot model apparatus for considering temperature action according to claim 1, it is characterised in that：Institute State model bucket lower part to be fixed on reaction frame by fixator, and upper cover plate is equipped with model bucket upper cap.
- A kind of 8. stake Soil Interface pilot model apparatus for considering temperature action according to claim 1, it is characterised in that： Model bucket is provided outside temperature sensor data collector, is embedded with temperature gauge head at preset height in soil sample.
- A kind of 9. stake Soil Interface pilot model apparatus for considering temperature action according to claim 8, it is characterised in that：Institute State temperature gauge head and be provided parallel to multiple, the temperature gauge head is arranged on same preset height and each temperature gauge head and model bucket Distance it is different.
- 10. according to claim 1 to 9 any one of them it is a kind of consider temperature action stake Soil Interface pilot model apparatus, its It is characterized in that：The constant-temperature heating system can carry out Model Pile heating repeatedly and cool down.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017106898036 | 2017-08-14 | ||
| CN201710689803 | 2017-08-14 |
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| CN207231911U true CN207231911U (en) | 2018-04-13 |
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| CN201710898151.7A Pending CN107621410A (en) | 2017-08-14 | 2017-09-28 | A kind of stake Soil Interface pilot model apparatus for considering temperature action |
| CN201721262397.7U Expired - Fee Related CN207231911U (en) | 2017-08-14 | 2017-09-28 | A kind of stake Soil Interface pilot model apparatus for considering temperature action |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621410A (en) * | 2017-08-14 | 2018-01-23 | 浙江大学宁波理工学院 | A kind of stake Soil Interface pilot model apparatus for considering temperature action |
| CN109540690A (en) * | 2018-11-13 | 2019-03-29 | 河海大学 | A kind of pile-soil interface mechanical property testing device based on temperature control triaxial apparatus |
| CN109883837A (en) * | 2019-03-22 | 2019-06-14 | 温州大学 | A kind of the Model Pile tester and its test method of controllable soil temperature |
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| CN108318324A (en) * | 2018-01-27 | 2018-07-24 | 大连理工大学 | A kind of phase change concrete energy stake bath scaled model experimental device and its experimental method |
| CN109187204B (en) * | 2018-08-03 | 2020-12-08 | 广西大学 | Test device for simulating pile-soil interaction during vertical cyclic loading |
| CN109556658A (en) * | 2018-12-19 | 2019-04-02 | 青岛理工大学 | A kind of energy pile efficiency of pile groups experimental rig |
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| CN110632119A (en) * | 2019-10-11 | 2019-12-31 | 南京林业大学 | Test device and test method for measuring adhesion between soil body and metal interface under influence of temperature rise of soil body |
| CN112946015B (en) * | 2021-01-29 | 2022-09-13 | 浙江大学 | Test device and method for measuring soft soil interface thermal contact resistance |
| CN114002087B (en) * | 2021-11-01 | 2022-09-27 | 哈尔滨工业大学（深圳） | Temperature and stress independent control pile-soil interface shear test device and method |
| CN115478568B (en) * | 2022-08-22 | 2023-09-29 | 宁波大学 | Pile soil contact surface shearing experiment device for drainage pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061361A (en) * | 2013-01-07 | 2013-04-24 | 中国建筑第六工程局有限公司 | Device for testing side wall adfreezing force of piles in frozen earth areas and application method thereof |
| CN103822875B (en) * | 2014-03-05 | 2017-01-11 | 河海大学 | Device and method for testing energy pile-soil contact surface frictional force |
| CN105716970B (en) * | 2016-04-26 | 2018-10-09 | 河海大学 | Shaped pile Pile-soil contact face failure mode visual test device and application method |
| CN106769478A (en) * | 2017-01-23 | 2017-05-31 | 浙江大学 | A kind of pile-soil interface shearing test device |
| CN106596297B (en) * | 2017-03-05 | 2020-10-16 | 南京大学 | Energy pile-soil interface mechanics behavior characteristic test equipment and method |
| CN106706442A (en) * | 2017-03-05 | 2017-05-24 | 南京大学 | Testing device and testing method for testing normal contact stress of pile-soil interface under variable temperature condition |
| CN107621410A (en) * | 2017-08-14 | 2018-01-23 | 浙江大学宁波理工学院 | A kind of stake Soil Interface pilot model apparatus for considering temperature action |
-
2017
- 2017-09-28 CN CN201710898151.7A patent/CN107621410A/en active Pending
- 2017-09-28 CN CN201721262397.7U patent/CN207231911U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621410A (en) * | 2017-08-14 | 2018-01-23 | 浙江大学宁波理工学院 | A kind of stake Soil Interface pilot model apparatus for considering temperature action |
| CN109540690A (en) * | 2018-11-13 | 2019-03-29 | 河海大学 | A kind of pile-soil interface mechanical property testing device based on temperature control triaxial apparatus |
| CN109883837A (en) * | 2019-03-22 | 2019-06-14 | 温州大学 | A kind of the Model Pile tester and its test method of controllable soil temperature |
| CN109883837B (en) * | 2019-03-22 | 2021-07-23 | 温州大学 | Model pile tester capable of controlling soil body temperature and testing method thereof |
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|---|---|
| CN107621410A (en) | 2018-01-23 |
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