CN109556658A - A kind of energy pile efficiency of pile groups experimental rig - Google Patents
A kind of energy pile efficiency of pile groups experimental rig Download PDFInfo
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- CN109556658A CN109556658A CN201811552840.3A CN201811552840A CN109556658A CN 109556658 A CN109556658 A CN 109556658A CN 201811552840 A CN201811552840 A CN 201811552840A CN 109556658 A CN109556658 A CN 109556658A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 239000002689 soil Substances 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 24
- 238000010168 coupling process Methods 0.000 claims description 24
- 238000005859 coupling reaction Methods 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000011160 research Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000013480 data collection Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004088 simulation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention belongs to technical field of test equipment for building, it is related to a kind of energy pile efficiency of pile groups experimental rig, effect of the true soil to energy pile is simulated using pile-soil model case, the heating in the temperature simulation energy pile heat exchanging process of energy pile and temperature-fall period are controlled by spiral water circulation system, and use water as circulating liquid, specific heat capacity is big, convenient for materials, and it is economical and practical, water-circulating pipe and pile body contact area are big, temperature transmission speed is exceedingly fast, the test under stress state and being not loaded under state can not only be carried out to single energy pile, can also the efficiency of pile groups of the breakthrough energy pile to temperature change simulate, servo hydraulic system can more sensitively control loading procedure, stability is good；Its structure is simple, easy and safe to operate, and test data is accurate, and situation of multiple energy piles in the soil body in energy real simulation refrigeration or heating engineering is widely used.
Description
Technical field:
The invention belongs to technical field of test equipment for building, are related to a kind of energy pile efficiency of pile groups experimental rig.
Background technique:
In recent years, as fast development fossil energy in town and country is constantly reduced, the development and utilization of new energy have been that society can
The inevitable requirement of sustainable development.Underground shallow layer geothermal energy resources are a kind of sustainable green energy resources of achievable energy-saving and emission-reduction, and
Its reserves is big, distribution is wide, stability is strong.But traditional ground-source heat pump system be mostly using the pipe laying that drills as ground heat exchanger,
Cost is high, takes up a large area, and limits the popularization and application of geothermal energy resources, and heat exchanger is directly embedded in and builds by energy pile technology
It builds in object pile foundation, while saving the underground space, guaranteeing construction quality, pile body concrete heat exchange rate is high, has better
Economic benefit.
Energy pile still suffers from other than undertaking superstructure load because of temperature additional stress brought by heat exchange, stake
It is more complicated with the interaction mechanism of soil.Under thermal cycle effect, expanding with heat and contract with cold for energy pile volume affects its load biography
It the features such as passs, therefore has larger impact to the bearing capacity of energy pile.
Currently, there are still many obstacles not yet to clear away for the research of energy pile, on-the-spot test means are insufficient, and theoretical model is built
Vertical not yet unified, the scarcity etc. of experimental rig seriously hampers the development of energy pile.Therefore, it is necessary to develop and develop one
Kind energy pile efficiency of pile groups experimental rig, carries out the load transfer mechanism of Eccentric Loads in Layered Soils and Research energy pile and surrounding soil,
Popularization to energy pile technology promotes building energy conservation emission reduction, has most important theories meaning and guidance value.
Summary of the invention:
Present invention aims to overcome that disadvantage of the existing technology, design provides a kind of energy pile efficiency of pile groups test dress
It sets, considers efficiency of pile groups of energy pile under the conditions of temperature change, multiple energy piles are in the soil body in simulation refrigeration or heating engineering
Interior situation, the research for acting on the efficiency of pile groups of lower energy pile for thermal cycle are provided fundamental basis.
To achieve the goals above, the main structure of energy pile efficiency of pile groups experimental rig of the present invention includes model
Case, energy pile, water circulating temperature control system, normal direction loading system and data acquisition control system, wherein water circulating temperature control system packet
Include more branch water tanks, heater, refrigerator, water circulating pump, spiral circulation water pipe, valve；Normal direction loading system includes hydraulic coupling
Device, removable bloom, control cabinet, reaction frame；Data acquisition control system includes flowmeter, thermometer, valve, refrigerator, system
Hot device, hydraulic coupling device, control cabinet, strain gauge；Soil sample needed for testing is placed in model casing and is normal direction loading system
There is provided counter-force supporting point, normal direction loading system can front and back move up and down, energy pile is laid in any position in model casing, or is
Single energy pile carries out continuing load；Spiral circulation water pipe built in energy pile, water is injected by energy pile top water inlet, in the energy
Stake is internal to be threaded to bottom again in spiral, by the water outlet discharge on energy pile top by top；Water inlet and recirculated water pump line
Road connection, water outlet are connected to more branch tank pipes, the pipeline, water outlet between water inlet and water circulating pump and more branch water
Flowmeter and thermometer are equipped on pipeline between case, wherein the flowmeter and temperature between water inlet and water circulating pump on pipeline
Valve is equipped between degree meter；More branch water tanks are using divides at four small water tanks, and demarcation plate completely cuts off plate using temperature, often
A small water tank has thermometer, and the upper and lower part of small water tank left side wall is respectively equipped with refrigerator and heater, according to practical need
Water temperature in more branch water tanks is heated or is freezed, the bottom of small water tank is connect with tap, water circulating pump with it is most left
The tap of the small water tank bottom in side connects；Energy pile pastes a strain gauge, energy pile temperature change every 10cm along pile body
When pile body pressure variation real time reaction to the computer of external acquisition data on；Strain gauge is connect with external computer；Model
Case is equipped with reaction frame, and hydraulic coupling device is installed on reaction frame, and top moves bloom and is bolted with hydraulic coupling device, that is, protects
Card counter-force acts on reaction frame completely, and keeps the mobile comparison of hydraulic coupling device light；The bottom of removable bloom is arranged in steel wheel
Portion both ends, control cabinet are connect with external computer.
Stress is answered under Single Pile Load when the present invention carries out energy stake temperature change using energy pile efficiency of pile groups experimental rig
Become the efficiency of pile groups test under test or multiple energy pile temperature changes, specific test process is as follows:
(1) preparation: it is packed into soil sample needed for testing in model casing, the hydraulic coupling device of model casing is moved to specific bit
It sets, while energy pile is placed on designated position, and connect with more branch water tanks, the verticality for adjusting energy pile makes itself and test institute
It needs soil sample vertical, is bonded with hydraulic coupling device perfection, open hydraulic coupling device and carry out pressure testing, if pile body is not askew, perpendicular to native face, and it is each
Item data can normal acquisition, then carry out formal piling, after energy pile is pressed onto specified altitude assignment, open more branch water tanks, according to
The flow velocity of test requirements document adjustment water temperature and water carries out next energy pile according to aforesaid operations after water temperature and flow speed stability again
Piling work, energy pile is all laid and is connect with more branch water tanks, after debugging, then preparation complete；
(2) energy pile efficiency of pile groups is tested: adjusting heater or refrigerator makes water temperature (such as be warming up to 35 up to preset temperature
DEG C or be cooled to 15 DEG C), start water circulating pump, coutroi velocity, the neighbouring temperature of real-time observed volume meter and water-circulating pipe disengaging, mouth
The data of meter；Data collection system records the data of the stress of energy pile pile lining, strain, temperature sensor in real time；It can also basis
Test needs repeatedly to carry out the additional temp stress monitoring of other temperature；
(3) stress variation is tested under Dan Nengyuan pile load: after the completion of preparation, loading system reduces pressure, makes the energy
Stake bearing load reduce, simulate working condition of the single energy pile in bearing load, open more branch water tanks, to water recycle into
Trip temperature regulation, and the stress of pile body, strain data are observed and recorded in real time, and then to the stress variation under single energy pile load
It is studied.
Compared with prior art, the present invention having the advantage that first is that simulating true soil pair using pile-soil model case
The effect of energy pile becomes close with real working condition；Second is that controlling the temperature of energy pile, by spiral water circulation system to simulate
Heating and temperature-fall period in energy pile heat exchanging process become close with real working condition；And use water as circulating liquid, than
Thermal capacitance is big, convenient for drawing materials, and it is economical and practical, water-circulating pipe and pile body contact area are big, and temperature transmission speed is exceedingly fast；Third is that not only
The test under stress state and being not loaded under state can be carried out to single energy pile, additionally it is possible to the breakthrough energy to temperature change
The efficiency of pile groups of source stake is simulated, and becomes close with real working condition；Fourth is that servo hydraulic system can more sensitively control load
Process, stability are good；Its structure is simple, easy and safe to operate, and test data is accurate, in energy real simulation refrigeration or heating engineering
Situation of multiple energy piles in the soil body, is widely used.
Detailed description of the invention:
Fig. 1 is more branch water tanks of the present invention and energy pile attachment structure schematic diagram.
Fig. 2 is mold box configuration schematic diagram of the present invention.
Fig. 3 is the energy pile efficiency of pile groups schematic diagram in model casing of the present invention.
Specific embodiment:
Embodiment:
The main structure of energy pile efficiency of pile groups experimental rig described in the present embodiment includes that model casing 12, energy pile 6, water follow
Ring temperature control system, normal direction loading system and data acquisition control system, wherein water circulating temperature control system include more branch water tanks 7,
Heater 10, refrigerator 8, water circulating pump 4, spiral circulation water pipe 5, valve 3；Normal direction loading system includes hydraulic coupling device 13, can
Mobile bloom 14, control cabinet 16, reaction frame 19；Data acquisition control system includes flowmeter 1, thermometer 2, valve 3, refrigerator
8, heat-producing machine 10, hydraulic coupling device 13, control cabinet 16, strain gauge 18；Soil sample needed for testing is placed in model casing 12 simultaneously
There is provided counter-force supporting point for normal direction loading system, normal direction loading system can front and back move up and down, any position in model casing 12
It sets and lays energy pile 6, or carry out continuing load for single energy pile 6；Spiral circulation water pipe 5 built in energy pile 6, water is by energy pile
The injection of 6 top water inlets is threaded to inside energy pile by top bottom again in spiral, by the water outlet on 6 top of energy pile
Discharge；Water inlet is connect with 4 pipeline of water circulating pump, and water outlet is connected to more 7 pipelines of branch water tank, water inlet and water circulating pump 4
Between pipeline, be equipped with flowmeter 1 and thermometer 2 on the pipeline between water outlet and more branch water tanks 7, wherein water inlet with
Valve 3 is equipped between flowmeter 1 between water circulating pump 4 on pipeline and thermometer 2；More branch water tanks 7 are separated using demarcation plate 9
At four small water tanks, demarcation plate 9 completely cuts off plate using temperature, and each small water tank has a thermometer, the top of small water tank left side wall and
Lower part is respectively equipped with refrigerator 8 and heater 10, and the water temperature in more branch water tanks 7 is heated or made according to actual needs
Cold, the bottom of small water tank is connect with tap 11, and water circulating pump 4 is connect with the tap of the small water tank bottom in the leftmost side；Energy pile 6
The variation real time reaction of pile body pressure is outside when along pile body every 10cm one strain gauge 18 of patch, 6 temperature change of energy pile
Portion acquires on the computer of data；Strain gauge 18 is connect with external computer；Model casing 12 is equipped with reaction frame 19, on reaction frame
Hydraulic coupling device 13 is installed, top moves bloom 14 and connect with hydraulic coupling device 13 by bolt 17, i.e. guarantee counter-force acts on completely
On reaction frame, and keep the mobile comparison of hydraulic coupling device 13 light；The bottom both ends of removable bloom 14, control is arranged in steel wheel 15
Case 16 processed is connect with external computer.
The present embodiment is using stress under Single Pile Load when energy pile efficiency of pile groups experimental rig progress energy stake temperature change
Efficiency of pile groups test under strain-gauge test or multiple energy pile temperature changes, specific test process are as follows:
(1) preparation: it is packed into soil sample needed for testing in model casing 12, the hydraulic coupling device 13 of model casing 12 is moved to
Designated position, while energy pile 6 is placed on designated position, and connect with more branch water tanks 7, the verticality of adjustment energy pile 6 makes
It is vertical with required soil sample is tested, and is bonded with 13 perfection of hydraulic coupling device, opens hydraulic coupling device 13 and carry out pressure testing, if pressure testing operation is good
Good (pile body is not askew, and perpendicular to native face, and all data can normal acquisition), then carry out formal piling, energy pile 6 be pressed onto finger
After determining height, more branch water tanks 7 are opened, are pressed after water temperature and flow speed stability according to the flow velocity that test requirements document adjusts water temperature and water
Carry out the piling work of next energy pile again according to aforesaid operations, energy pile is all laid and connect with more branch water tanks, debugging
Later, then preparation is completed；
(2) energy pile efficiency of pile groups is tested: adjusting heater 10 or refrigerator 8 makes water temperature (such as heat up up to assigned temperature
To 35 DEG C or it is cooled to 15 DEG C), start water circulating pump 4, coutroi velocity, real-time observed volume meter 1 and water-circulating pipe disengaging, mouth are attached
The data of nearly thermometer 2；Data collection system records the data of the stress of energy pile pile lining, strain, temperature sensor in real time；?
The additional temp stress monitorings for carrying out other temperature several times can be needed according to test more；
(3) stress variation is tested under Dan Nengyuan pile load: after the completion of preparation, loading system reduces pressure, makes the energy
6 bearing loads of stake reduce, and simulate working condition of the single energy pile 6 in bearing load, open more branch water tanks 7, follow to water
Ring carries out temperature regulation, and observes and record the stress of pile body, strain data in real time, and then to the stress under single energy pile load
Variation is studied.
Claims (2)
1. a kind of energy pile efficiency of pile groups experimental rig, it is characterised in that main structure includes model casing, energy pile, water circulation warm
Control system, normal direction loading system and data acquisition control system, wherein water circulating temperature control system includes more branch water tanks, heating
Device, refrigerator, water circulating pump, spiral circulation water pipe, valve；Normal direction loading system includes hydraulic coupling device, removable bloom, control
Case, reaction frame；Data acquisition control system includes flowmeter, thermometer, valve, refrigerator, heat-producing machine, hydraulic coupling device, control
Case, strain gauge；Soil sample needed for testing is placed in model casing and provides counter-force supporting point, normal direction for normal direction loading system
Loading system can front and back move up and down, energy pile is laid in any position in model casing, or is continued for single energy pile
Load；Spiral circulation water pipe built in energy pile, water are injected by energy pile top water inlet, are threaded to inside energy pile by top
Bottom in spiral, is discharged again by the water outlet on energy pile top；Water inlet is connect with water circulating pump pipeline, water outlet with more points
Road tank pipe is connected to, and is all provided on the pipeline between pipeline, water outlet and more branch water tanks between water inlet and water circulating pump
There are flowmeter and thermometer, valve is wherein equipped between the flowmeter and thermometer between water inlet and water circulating pump on pipeline；
More branch water tanks are using divides at four small water tanks, and demarcation plate completely cuts off plate using temperature, and each small water tank has temperature
The upper and lower part of table, small water tank left side wall is respectively equipped with refrigerator and heater, according to actual needs in more branch water tanks
Water temperature heated or freezed, the bottom of small water tank is connect with tap, the water of water circulating pump and the small water tank bottom in the leftmost side
Faucet connection；Energy pile pastes a strain gauge every 10cm along pile body, the variation of pile body pressure when energy pile temperature change
In real time reaction to the computer of external acquisition data；Strain gauge is connect with external computer；Model casing is equipped with reaction frame, instead
Hydraulic coupling device is installed, top moves bloom and is bolted with hydraulic coupling device, i.e. guarantee counter-force acts on completely on power frame
On reaction frame, and keep the mobile comparison of hydraulic coupling device light；Steel wheel is arranged in the bottom both ends of removable bloom, control cabinet and outer
The connection of portion's computer.
2. energy pile efficiency of pile groups experimental rig according to claim 1, it is characterised in that can be carried out energy using the device
Efficiency of pile groups test when stake temperature change under Single Pile Load under stress-strain tester or multiple energy pile temperature changes, specifically
Test process is as follows:
(1) preparation: being packed into soil sample needed for testing in model casing, the hydraulic coupling device of model casing be moved to designated position,
Energy pile is placed on designated position simultaneously, and is connect with more branch water tanks, adjust energy pile verticality make its with needed for test
Soil sample is vertical, is bonded with hydraulic coupling device perfection, opens hydraulic coupling device and carries out pressure testing, if pile body is not askew, perpendicular to native face, and it is every
Data can normal acquisition, then carry out formal piling, after energy pile is pressed onto specified altitude assignment, more branch water tanks opened, according to examination
It tests and the flow velocity of adjustment water temperature and water is required to carry out next energy pile again according to aforesaid operations after water temperature and flow speed stability
Piling work, energy pile is all laid and is connect with more branch water tanks, and after debugging, then preparation is completed；
(2) energy pile efficiency of pile groups is tested: adjusting heater or refrigerator makes water temperature up to preset temperature, starts water circulating pump, control
The data of thermometer near flow velocity processed, real-time observed volume meter and water-circulating pipe disengaging, mouth；Data collection system records energy in real time
The source stake stress of pile lining, strain, temperature sensor data；It can also need repeatedly to carry out the additional temperature of other temperature according to test
Spend stress monitoring；
(3) stress variation is tested under Dan Nengyuan pile load: after the completion of preparation, loading system reduces pressure, makes energy pile
Reduced by load, simulate working condition of the single energy pile in bearing load, open more branch water tanks, water is recycled and carries out temperature
Degree regulation, and the stress of pile body, strain data are observed and recorded in real time, and then are carried out to the stress variation under single energy pile load
Research.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811552840.3A CN109556658A (en) | 2018-12-19 | 2018-12-19 | A kind of energy pile efficiency of pile groups experimental rig |
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| CN201811552840.3A CN109556658A (en) | 2018-12-19 | 2018-12-19 | A kind of energy pile efficiency of pile groups experimental rig |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954352A (en) * | 2019-12-20 | 2020-04-03 | 深圳大学 | Energy underground structure model experiment test system |
| CN113110231A (en) * | 2021-05-08 | 2021-07-13 | 深圳市中装建设集团股份有限公司 | Building energy monitoring control system |
| CN115059061A (en) * | 2022-07-04 | 2022-09-16 | 中交第一公路勘察设计研究院有限公司 | Frozen soil area partition temperature control pile foundation, pile group system, design method and construction method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140049723A (en) * | 2012-10-18 | 2014-04-28 | (주)아리터 | Concrete pile with steel part and resistance-reinforcing device of spiral form in the outer surface and method of preparing the same |
| CN105910920A (en) * | 2016-06-22 | 2016-08-31 | 青岛理工大学 | Temperature control pile-soil interface direct shear test device |
| CN106596297A (en) * | 2017-03-05 | 2017-04-26 | 南京大学 | Test apparatus and method of mechanical behavior characteristic of pile-soil interface of energy pile |
| 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 |
| CN106759549A (en) * | 2017-01-09 | 2017-05-31 | 北京科技大学 | A kind of indoor analog simulation energy pile and its experimental monitoring system |
| CN206531737U (en) * | 2017-03-05 | 2017-09-29 | 南京大学 | A kind of energy pile stake Soil Interface mechanical behavior attribute testing equipment |
| 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 |
| WO2018014606A1 (en) * | 2016-07-18 | 2018-01-25 | 河海大学 | Pcc pile apparatus for combined cooling, heat and power generation and manufacturing method therefor |
| CN107727517A (en) * | 2017-11-20 | 2018-02-23 | 大连理工大学 | A kind of energy stake stake Soil Interface shearing experiment device and experimental method |
| CN207991009U (en) * | 2018-02-23 | 2018-10-19 | 三峡大学 | Plain type underground heat stake |
| CN108951724A (en) * | 2018-07-24 | 2018-12-07 | 湖北工业大学 | Energy pile test monitoring system and test method |
| CN108981819A (en) * | 2018-08-03 | 2018-12-11 | 深圳大学 | A kind of system and method for testing energy pile temperature and stress distributions |
-
2018
- 2018-12-19 CN CN201811552840.3A patent/CN109556658A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140049723A (en) * | 2012-10-18 | 2014-04-28 | (주)아리터 | Concrete pile with steel part and resistance-reinforcing device of spiral form in the outer surface and method of preparing the same |
| CN105910920A (en) * | 2016-06-22 | 2016-08-31 | 青岛理工大学 | Temperature control pile-soil interface direct shear test device |
| WO2018014606A1 (en) * | 2016-07-18 | 2018-01-25 | 河海大学 | Pcc pile apparatus for combined cooling, heat and power generation and manufacturing method therefor |
| CN106759549A (en) * | 2017-01-09 | 2017-05-31 | 北京科技大学 | A kind of indoor analog simulation energy pile and its experimental monitoring system |
| CN106596297A (en) * | 2017-03-05 | 2017-04-26 | 南京大学 | Test apparatus and method of mechanical behavior characteristic of pile-soil interface of energy pile |
| 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 |
| CN206531737U (en) * | 2017-03-05 | 2017-09-29 | 南京大学 | A kind of energy pile stake Soil Interface mechanical behavior attribute testing equipment |
| 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 |
| CN107727517A (en) * | 2017-11-20 | 2018-02-23 | 大连理工大学 | A kind of energy stake stake Soil Interface shearing experiment device and experimental method |
| CN207991009U (en) * | 2018-02-23 | 2018-10-19 | 三峡大学 | Plain type underground heat stake |
| CN108951724A (en) * | 2018-07-24 | 2018-12-07 | 湖北工业大学 | Energy pile test monitoring system and test method |
| CN108981819A (en) * | 2018-08-03 | 2018-12-11 | 深圳大学 | A kind of system and method for testing energy pile temperature and stress distributions |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954352A (en) * | 2019-12-20 | 2020-04-03 | 深圳大学 | Energy underground structure model experiment test system |
| CN110954352B (en) * | 2019-12-20 | 2021-08-27 | 深圳大学 | Energy underground structure model experiment test system |
| CN113110231A (en) * | 2021-05-08 | 2021-07-13 | 深圳市中装建设集团股份有限公司 | Building energy monitoring control system |
| CN113110231B (en) * | 2021-05-08 | 2022-08-26 | 深圳市中装建设集团股份有限公司 | Building energy monitoring control system |
| CN115059061A (en) * | 2022-07-04 | 2022-09-16 | 中交第一公路勘察设计研究院有限公司 | Frozen soil area partition temperature control pile foundation, pile group system, design method and construction method |
| CN115059061B (en) * | 2022-07-04 | 2024-02-23 | 中交第一公路勘察设计研究院有限公司 | Frozen soil area partition control Wen Zhuangji, pile group system, design method and construction method |
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