CN209636879U - A kind of scene pile body Two-way side resistance test device - Google Patents

A kind of scene pile body Two-way side resistance test device Download PDF

Info

Publication number
CN209636879U
CN209636879U CN201920039952.2U CN201920039952U CN209636879U CN 209636879 U CN209636879 U CN 209636879U CN 201920039952 U CN201920039952 U CN 201920039952U CN 209636879 U CN209636879 U CN 209636879U
Authority
CN
China
Prior art keywords
pile
test
loading
pile body
vertical
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.)
Expired - Fee Related
Application number
CN201920039952.2U
Other languages
Chinese (zh)
Inventor
陈锐
陆钊
罗锦华
吕虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Gangke Geotechnical Engineering Consulting Co Ltd
Shenzhen Graduate School Harbin Institute of Technology
Original Assignee
Shenzhen Gangke Geotechnical Engineering Consulting Co Ltd
Shenzhen Graduate School Harbin Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Gangke Geotechnical Engineering Consulting Co Ltd, Shenzhen Graduate School Harbin Institute of Technology filed Critical Shenzhen Gangke Geotechnical Engineering Consulting Co Ltd
Priority to CN201920039952.2U priority Critical patent/CN209636879U/en
Application granted granted Critical
Publication of CN209636879U publication Critical patent/CN209636879U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The utility model discloses a kind of live pile body Two-way side resistance test devices, comprising: test pile and loading device;The loading device is arranged on the outside of the test pile, wherein the test pile is made of test pile setting stake shape, the practical pile stake shape of test pile and pile body mudcake;The test pile designs the stake shape center cylindrical that the test pile is arranged in, the practical pile stake shape of test pile is coated on the outside of the test pile design stake shape, the non-uniform outside for being filled in the practical pile stake shape of the test pile of the pile body mudcake in concave-convex curved surface;The utility model provides a kind of new device for the stake resistance measurement of architectural engineering, and the engineering investigation in various land-based area waters is suitble to detect.

Description

A kind of scene pile body Two-way side resistance test device
Technical field
The utility model relates to the test device technical field of architectural engineering, in particular to a kind of live pile body Two-way side resistance Power experimental rig.
Background technique
More traditional, the conventional method lateral frictional force test method of existing more common lateral frictional force experimental test technology It is divided into two kinds.
It is to load vertical lotus in stake top in the pre- embedding Reinforcement Stress-count of pile body one is field engineering pile loading test method Load or horizontal loading measure the axial stress of pile body, stake top deformation and load load, obtain stake indirectly by calculating and analyzing The collateral resistance of body.The most apparent defect of such method is to obtain pile body by the work difference and analysis of pile shaft force and pile top load Collateral resistance, and the lateral frictional force of pile-soil interface cannot be directly measured, the hypothesis in calculating will lead to analysis result and reality Lateral frictional force plays the error of rule, cannot really reflect the action rule of lateral frictional force.In addition to this, live pile body side There are also other deficiencies, such as load load to generally use gravity laod calibrated bolck for the test method of resistance, when long stake and major diameter When stake experiment, caused in this way the result is that needing more gravity laod calibrated bolck, great weighted platform and top test are empty Between, it is not accurate that these traditional test methods result in test operation, and needs more workload.
The test method of another lateral frictional force is that the direct shear test of pile-soil interface, this method are carried out in laboratory Can be relatively accurate, it accurately carries out experiment test and monitors the variation of collateral resistance, but due to testing indoor pile-soil interface Sample prepare (sample of preparation includes concrete, mudcake, native three kinds of compositions) mainly rule of thumb with document utilization.This Kind empirical, uniformly, ideal sample can not reflect the concrete of the practical pile foundation in scene, mudcake, native composition with And their geometrical distribution.Therefore, practical work is analyzed with the test result of the pile-soil interface direct shear test in laboratory Pile side resistance action rule in journey, it may be possible to reflect the substantially regular of pile side resistance, but be inevitably present Many errors.
Utility model content
The purpose of this utility model is that aiming at the shortcomings in the prior art, providing a kind of two-way collateral resistance examination of live pile body Experiment device and its method.
Technical solution:
To achieve the above object, the utility model provides a kind of live pile body Two-way side resistance test device, comprising: examination Test stake and loading device;The loading device is arranged on the outside of the test pile, wherein
The test pile is made of test pile design stake shape, the practical pile stake shape of test pile and pile body mudcake;The examination The stake design stake shape center cylindrical that the test pile is set is tested, the practical pile stake shape of test pile is in concave-convex curved surface packet The outside of the test pile design stake shape is overlayed on, the pile body mudcake is non-uniform to be filled in the practical pile stake shape of the test pile Outside;
The loading device is installed on the outside of test pile, by loading device fixing piece, hydraulic cavities confining pressure loading system, Vertical load loading system and horizontal loading loading system composition;The loading device fixing piece is that two rows squeeze into the test Fixation counter-force anchor in stake, the hydraulic cavities confining pressure loading system are arranged among the loading device fixing piece, described vertical Load loading system and the horizontal loading loading system are used for and horizontal direction vertical to the test pile and carry out load load.
Preferably, in above-mentioned technical proposal, two rows of fixed counter-force anchors are respectively placed in the upper of testing research pile body position At boundary and lower boundary.
Preferably, in above-mentioned technical proposal, the hydraulic cavities confining pressure loading system tight enclosure is in the outer of the test pile By hydraulic endometrial cavity, apply stressed hydraulic cavities and hydraulic cavities outer membrane forms in side, wherein the hydraulic endometrial cavity abutting is filled out Fill the soil body on the outside of the pile body mudcake outer profile of the pile body mudcake.
Preferably, in above-mentioned technical proposal, the vertical load loading system, by the more scalable axle powers of high intensity Bar, multiple axle power loading units and vertical uniform load q board group are at the every scalable axle power bar of high intensity is installed described in 1 Axle power loading unit, one end of the every scalable axle power bar of high intensity are linked together by consolidating fulcrum, the other end Respectively by can temporary consolidation fixed pivot on the vertical uniform load q plate by the axle power loading unit control, Mei Gesuo Stating, vertical displacement of the vertical displacement meter for vertical uniform load q plate can all be arranged on temporary consolidation fulcrum to supervise in real time It surveys.
Preferably, in above-mentioned technical proposal, the horizontal loading loading system, including it is two ball hinged supports, scalable curved Crankshaft power bar, oil pressure pump and deformation graduated scale, the both ends of the retractable curved axle power bar pass through the flexural pivot branch respectively Horizontal loading is uniformly transferred on sealing plate by seat, and then is loaded on pile-soil interface sample and answered with providing horizontal laterally cut Power.
Preferably, in above-mentioned technical proposal, the installation loading device fixing piece of step 2 is that two rows are fixed counter-force anchor, Every row 8 squeezes into fixed counter-force anchor rotating around the coboundary and lower boundary for being fixed on testing research pile body position for pile body one week In pile concrete, the fixed counter-force anchor of every row is kept in the same plane, between the adjacent fixation counter-force anchor at coboundary It is connected with vertical uniform load q plate;It is connected between adjacent fixation counter-force anchor with hydraulic cavities seal base at lower boundary, coboundary One group of fixed counter-force anchor is symmetrically reserved with lower boundary to empty to install horizontal loading loading system.
Compared with prior art, the utility model has the following beneficial effects:
(1) device of the utility model can also both be realized with the vertical collateral resistance of pile body with the horizontal collateral resistance of pile body The experimental test of live pile side resistance, the indirect calculating for overcoming traditional situ loading method derive lateral frictional force Error and laboratory configuration pile-soil interface sample untrue test result.
(2) hydraulic cavities confining pressure loading system uses hydraulic cavities and inside and outside two film construction is loaded, by pressure volume control Wide range, highly sensitive load loading environment may be implemented in the hydraulic cavities of instrument control processed, meanwhile, membrane structure can achieve uniformly Load transmit purpose so that confining pressure load uniformly, accurately, science, rationally.In addition, the volume change of hydraulic cavities measures The volume change of available test object, therefore the volume change of available pile-soil interface sample during the experiment.
(3) horizontal loading loading system uses the method that oil pressure pump controls retractable curved axle power bar in the utility model Apply horizontal loading, such method equally has the advantages of wide range load, portable construction.Meanwhile using two ball hinged supports, Load can be uniformly transmitted, so that sample stress is more reasonable compared to conventional method.It, can be with due to joined deformation graduated scale Horizontal distortion is measured in real time.
(4) vertical load loading system uses the scalable axle power bar of more high intensity and loads simultaneously, is loaded by axle power The method that unit controls axle power size respectively can achieve and apply micro- vertical axle power incremental step, fine adjustment vertical load in real time Purpose, meanwhile, multiple displacement meters can be monitored in real time Vertical Settlement, the degree that the vertical collateral resistance of reflection stake plays.
(5) effect of the utility model is that the apparatus structure is simple, easy to use, is easily portable, reusable, is not had to Practical test pile, cost is few, and expense is low, and efficiency-cost ratio is high, can actual loading deformation condition of the ground foundation simulation soil under foundation pile effect, Stake resistance relevant parameter can be provided before Pile integrity is constructed, and assist providing the ginseng such as modulus of shearing, compression modulus of foundation soil Number.
Detailed description of the invention
Fig. 1 is illustrated according to the vertical section structure of the test application of the utility model pile body Two-way side resistance test device Figure.
Fig. 2 is vertically shown with horizontal side resistance measurement according to the pile body of the utility model pile body Two-way side resistance test device It is intended to.
Fig. 3 is the horizontal plane cross-section top view according to the utility model pile body Two-way side resistance test device.
Fig. 4 is the structural schematic diagram at 1/4 position of pile body vertical loading device according to the present utility model;
Fig. 5 is the structural schematic diagram at 1/4 position of confining pressure loading device according to the present utility model;
Main appended drawing reference explanation:
101- test pile, 103- testing research pile body position, the coboundary 104-, 105- lower boundary, 106- pile body horizontal side Resistance signal, the vertical collateral resistance signal of 107- pile body;
201- test pile design stake shape, the practical pile stake shape of 202- test pile, 203- pile body mudcake outer profile,
208- fixation counter-force anchor, 209- hydraulic cavities outer membrane, 210- hydraulic cavities, the hydraulic endometrial cavity of 211-, 212- hydraulic cavities are close Back cover plate;
303- pile body mudcake region, 308- pressure volume controller connector, the retractable curved axle power bar of 309-, 310- connect Connect oil pressure pump interface, 311- ball hinged support, the practical pile outer profile of 313- test pile, 314- pile concrete, 315- deformation quarter Spend ruler;
The high-intensitive scalable axle power bar of 401-, 402- consolidate fulcrum, and 403- axle power loading unit, 404- can temporary consolidation branch Point, 405- vertical uniform load q plate, 406- displacement meter.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical Novel protection scope is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
Fig. 1 is shown according to a kind of live pile body Two-way side resistance test device of the preferred embodiments of the present invention The vertical section structure schematic diagram of test application.
As shown in Figure 1, a kind of scene pile body Two-way side resistance test device, comprising: test pile 101 and loading device;Add It carries and installs in 101 outside of test pile, wherein
As depicted in figs. 1 and 2, stake shape 201, the practical pile stake shape 202 of test pile are designed by test pile in test pile 101 It is constituted with pile body mudcake;Test pile designs the center cylindrical that test pile 101 is arranged in of stake shape 201, the practical pile of test pile Stake shape 202 is coated on the outside of test pile design stake shape 201 in concave-convex curved surface, and outermost forms the practical pile foreign steamer of test pile Exterior feature 313, the non-uniform outside for being filled in the practical pile stake shape 202 of test pile of pile body mudcake form pile body mudcake region 303.
Loading device, being installed on the outside of test pile 101 is specifically at testing research pile body as shown in Figure 2 position 103, loading device as shown in figures 1 and 3 is by loading device fixing piece, hydraulic cavities confining pressure loading system, vertical load load system System and horizontal loading loading system composition;Loading device fixing piece is the fixation counter-force anchor that two rows are squeezed into test pile 101 208, hydraulic cavities confining pressure loading system is arranged among loading device fixing piece, vertical load loading system and horizontal loading load System is used for and horizontal direction vertical to test pile 101 and carries out load load.Preferably, two rows of fixed counter-force anchors 208 are set respectively At the coboundary 104 at testing research pile body position 103 and lower boundary 105.
Hydraulic cavities confining pressure loading system tight enclosure is in the outside of test pile 101, as shown in Figure 5 by hydraulic endometrial cavity 211, stressed hydraulic cavities 210 are applied and hydraulic cavities outer membrane 209 forms, wherein the hydraulic abutting of endometrial cavity 211 is filled in pile body mud The soil body in 203 outside of pile body mudcake outer profile of skin.Hydraulic cavities confining pressure loading system is by connection pressure volume controller (in figure To draw), can with high precision, the load of wide range is hydraulic, to provide large range of confining pressure experimental condition to pile-soil interface, And the size variation of liquid volume is measured simultaneously, to achieve the purpose that the volume change of measuring study object.
Vertical load loading system, by more (this reality as shown in Fig. 4 (it selects the section 2-2 and the section 3-3 of Fig. 3) Apply in example preferably 32, every 8 are one group) high-intensitive scalable axle power bar 401, it is multiple (preferably 32 in the present embodiment, every 8 A is one group) axle power loading unit 403 and vertical uniform load q plate 405 form, and the scalable axle power bar of every high intensity installs 1 Axle power loading unit, one end of the scalable axle power bar 401 of every high intensity is linked together by consolidating fulcrum 402, another End respectively by can temporary consolidation fulcrum 404 be fixed on vertical uniform load q plate 405 and controlled by axle power loading unit 403, often A vertical displacement that a vertical displacement meter 406 can all be arranged on temporary consolidation fulcrum 404 for vertical uniform load q plate can be with Real-time monitoring, the vertical load system of the utility model can will be further applied load uniformly to be made by high-intensitive scalable axle power bar It can achieve vertical load load and pile body vertical displacement measurement in conjunction with displacement meter 406 for vertical uniform load q plate 405 Purpose is advantageously used for the variation of the analysis vertical collateral resistance of pile body so as to measure the vertical side friction of pile body and vertical deformation Rule adapts to design and construct for pile foundation engineering.
Horizontal loading loading system, including two ball hinged supports 311, retractable curved axle power bar 309, oil pressure pump and deformation Graduated scale 315, the both ends of retractable curved axle power bar 309 pass through a ball hinged support 311 respectively and uniformly pass horizontal loading It is handed on sealing plate, and then loads on pile-soil interface sample to provide horizontal lateral shear stress.Specifically oil pressure pump (is in figure Draw) required axle power, retractable curved axle power are provided to retractable curved axle power bar 309 by connection oil pressure pump interface 310 Horizontal loading can be uniformly transferred to sealing plate by two ball hinged supports 311 by bar 309, and then load on pile-soil interface Sample, the lateral shear stress of level needed for test is provided, to realize the measurement test of horizontal collateral resistance.Meanwhile it is scalable curved There is deformation graduated scale 315 on crankshaft power bar 309, the deformation and body that subjects can be monitored in real time become, to reach test requirements document Measure the purpose of horizontal collateral resistance and horizontal distortion.
In application, the test method of the live pile body Two-way side resistance test device of the utility model, includes the following steps:
Step 1, test stake body are excavated:
According to test stake body position, the soil around test pile is vertically excavated to the testing research pile body portion of quasi- test The lower boundary 105 of position 103, it is then horizontal to cut the earth, it digs at 0.5 meter of stake week outer;Wherein, the test pile of test pile is set Meter stake shape 201 is the column shape of rule, and since the factors such as construction influence, the practical pile stake shape 202 of test pile is have fluctuating recessed Convex curve, pile body mudcake and pile body mudcake outer profile 203 are unevenly distributed, but uneven range is far smaller than 0.5 meter, therefore Digging can guarantee in subsequent installation load testing machine apart from 0.5 meter of pile concrete while comprising three kinds of substance pile body coagulations Soil, pile body mudcake, soil, to meet the test requirements document and purpose of measurement lateral frictional force.
Step 2 installs loading device fixing piece;
Detailed process is: by the fixed counter-force anchor 208 of two rows, every row 8 was fixed on testing research stake rotating around pile body one week The coboundary 104 at body position 103 and lower boundary 105 squeeze into fixed counter-force anchor 208 in pile concrete 314, and every row is fixed anti- Power anchor 208 keeps in the same plane, using vertical uniform load q between the adjacent fixation counter-force anchor 208 at coboundary 104 Plate 405 connects;It is connected between adjacent fixation counter-force anchor 208 with hydraulic cavities seal base 212 at lower boundary 105, coboundary 104 One group of fixed counter-force anchor 208 is symmetrically reserved with lower boundary 105 to empty to install horizontal loading loading system.
Step 3 is successively installed and is assembled hydraulic cavities confining pressure loading system, horizontal loading loading system and vertical load and adds Loading system;
Detailed process is:
Hydraulic cavities confining pressure loading system is installed, is that one circle of soil is close to around pile body in fixed 208 middle position of counter-force anchor Hydraulic endometrial cavity 211 is close to hydraulic endometrial cavity 211 and vertical uniform load q plate 405, hydraulic cavities seal base 212 and hydraulic cavities Outer membrane 209 surrounds the hydraulic cavities device of sealing, by the hydraulic cavities device being sealed to around institute's pile body cylindrical body one week, passes through pressure Fixing fabric structure instrument connector 308 connects pressure volume controller;
Horizontal loading loading system is installed, is in the every a pair of row up and down for emptying the one group of fixed counter-force anchor 208 reserved It is connected between fixed counter-force anchor 208 with sealing plate, horizontal loading loading device is installed between two sealing plates;In a pre-installation, first The both ends of retractable curved axle power bar 309 are passed through to the input terminal installation connection an of ball hinged support 311 respectively, then by flexural pivot branch The output end of seat 311 is fixedly attached to sealing plate, so that horizontal loading is uniformly transferred on sealing plate, and then loads on stake Soil contact face sample is to provide horizontal lateral shear stress.
Vertical load loading system is installed, it is contemplated that the symmetry of test structure, symmetrically arranged high intensity retractable spindle Power bar 401 is fitted with 1 axle power loading unit 403 on the scalable axle power bar 401 of every high intensity, and the other end leads to respectively Cross can temporary consolidation fulcrum 404 be fixed on vertical uniform load q plate 405 and controlled by axle power loading unit 403.Vertical load system System, which can will be further applied load, uniformly acts on vertical uniform load q plate by high-intensitive scalable axle power bar 401, can each face When consolidation fulcrum 404 on a vertical displacement meter 406 is all set can be supervised in real time for the vertical displacement of vertical uniform load q plate It surveys.To sum up, vertical load load test system can achieve the purpose of vertical load load and pile body vertical displacement measurement, thus The vertical side friction of pile body and vertical deformation can be measured, for analyzing the changing rule of the vertical collateral resistance of pile body, services pile foundation Engineering design and construction.
Step 4 carries out test adjustment, test, until completing.
The utility model hair detection method principle as shown in Figure 1, the lateral frictional force under certain depth mainly by two Kind collateral resistance composition, one is the vertical collateral resistance of pile body along stake length direction, another kind is circular along stake perimeter tangential direction The horizontal collateral resistance of pile body.Wherein, the vertical collateral resistance of pile body is (such as the vertical collateral resistance signal of pile body shown in dotted line longitudinal in Fig. 2 107) be responsible for providing vertical drag, the upper load transmitting of high building structure and settlement Control all with the vertical collateral resistance of pile body It is related;The horizontal collateral resistance of pile body (such as the horizontal collateral resistance signal 106 of pile body shown in dotted line longitudinal in Fig. 2) is responsible for providing horizontal anti- The stabilization etc. of power, such as pattern foundation pit supporting structure, stability of slope, offshore platform foundation is all determined by lateral frictional force.
In conclusion the embodiments of the present invention have the effect that
(1) device of the utility model can also both be realized with the vertical collateral resistance of pile body with the horizontal collateral resistance of pile body The experimental test of live pile side resistance, the indirect calculating for overcoming traditional situ loading method derive lateral frictional force Error and laboratory configuration pile-soil interface sample untrue test result.
(2) hydraulic cavities confining pressure loading system uses hydraulic cavities and inside and outside two film construction is loaded, by pressure volume control Wide range, highly sensitive load loading environment may be implemented in the hydraulic cavities of instrument control processed, meanwhile, membrane structure can achieve uniformly Load transmit purpose so that confining pressure load uniformly, accurately, science, rationally.In addition, the volume change of hydraulic cavities measures The volume change of available test object, therefore the volume change of available pile-soil interface sample during the experiment.
(3) horizontal loading loading system uses the method that oil pressure pump controls retractable curved axle power bar in the utility model Apply horizontal loading, such method equally has the advantages of wide range load, portable construction.Meanwhile using two ball hinged supports, Load can be uniformly transmitted, so that sample stress is more reasonable compared to conventional method.It, can be with due to joined deformation graduated scale Horizontal distortion is measured in real time.
(4) vertical load loading system uses the scalable axle power bar of more high intensity and loads simultaneously, is loaded by axle power The method that unit controls axle power size respectively can achieve and apply micro- vertical axle power incremental step, fine adjustment vertical load in real time Purpose, meanwhile, multiple displacement meters can be monitored in real time Vertical Settlement, the degree that the vertical collateral resistance of reflection stake plays.
(5) effect of the utility model is that the apparatus structure is simple, easy to use, is easily portable, reusable, is not had to Practical test pile, cost is few, and expense is low, and efficiency-cost ratio is high, can actual loading deformation condition of the ground foundation simulation soil under foundation pile effect, Stake resistance relevant parameter can be provided before Pile integrity is constructed, and assist providing the ginseng such as modulus of shearing, compression modulus of foundation soil Number.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims (6)

1. a kind of scene pile body Two-way side resistance test device characterized by comprising test pile (101) and loading device;Institute Loading device setting is stated on the outside of the test pile (101), wherein
The test pile (101), by test pile design stake shape (201), the practical pile stake shape (202) of test pile and pile body mudcake It constitutes;At the center of the test pile (101), the test pile is real for test pile design stake shape (201) setting cylindrical Border pile stake shape (202) is coated on the outside of test pile design stake shape (201) in concave-convex curved surface, and the pile body mudcake is uneven The even outside for being filled in the practical pile stake shape (202) of the test pile;
The loading device is installed on the outside of test pile (101), by loading device fixing piece, hydraulic cavities confining pressure loading system, Vertical load loading system and horizontal loading loading system composition;The loading device fixing piece is that two rows squeeze into the test Fixation counter-force anchor (208) in stake (101), the hydraulic cavities confining pressure loading system are arranged in the loading device fixing piece Between, the vertical load loading system and the horizontal loading loading system are used for and level vertical to the test pile (101) Direction carries out load load.
2. scene pile body Two-way side resistance test device according to claim 1, which is characterized in that two rows of fixations are anti- Power anchor (208) is respectively placed at the coboundary (104) and lower boundary (105) at testing research pile body position (103).
3. scene pile body Two-way side resistance test device according to claim 1, which is characterized in that the hydraulic cavities confining pressure Loading system tight enclosure by hydraulic endometrial cavity (211), applies stressed hydraulic cavities in the outside of the test pile (101) (210) it is formed with hydraulic cavities outer membrane (209), wherein the hydraulic endometrial cavity (211) is close to be filled in the stake of the pile body mudcake The soil body on the outside of body mudcake outer profile (203).
4. scene pile body Two-way side resistance test device according to claim 1, which is characterized in that the vertical load adds Loading system, by the scalable axle power bar (401) of more high intensity, multiple axle power loading units (403) and vertical uniform load q plate (405) it forms, the every scalable axle power bar of high intensity installs 1 axle power loading unit, and the every high intensity can The one end of flexible axle power bar (401) is linked together by consolidating fulcrum (402), and the other end passes through respectively can temporary consolidation branch Point (404) is fixed on the vertical uniform load q plate (405) to be controlled by the axle power loading unit (403), it is each described can Vertical displacement of the vertical displacement meter (406) for vertical uniform load q plate is all arranged on temporary consolidation fulcrum (404) can be with Real-time monitoring.
5. scene pile body Two-way side resistance test device according to claim 1, which is characterized in that the horizontal loading adds Loading system, including two ball hinged supports (311), retractable curved axle power bar (309), oil pressure pump and deformation graduated scale (315), institute The both ends for stating retractable curved axle power bar (309) pass through the ball hinged support (311) respectively and uniformly pass horizontal loading It is handed on sealing plate, and then loads on pile-soil interface sample to provide horizontal lateral shear stress.
6. scene pile body Two-way side resistance test device according to claim 1, which is characterized in that installation loading device is solid Determining part is that two rows are fixed counter-force anchor (208), and every row 8 was fixed on testing research pile body position (103) rotating around pile body one week Coboundary (104) and lower boundary (105), fixed counter-force anchor (208) are squeezed into pile concrete (314), every row is fixed anti- Power anchor (208) is kept in the same plane, with vertical lotus between the adjacent fixation counter-force anchor (208) at coboundary (104) Carry action plate (405) connection;Hydraulic cavities seal base (212) are used between adjacent fixation counter-force anchor (208) at lower boundary (105) Connection, coboundary (104) and lower boundary (105) symmetrically reserve one group of fixed counter-force anchor (208) and empty to install horizontal loading and add Loading system.
CN201920039952.2U 2019-01-10 2019-01-10 A kind of scene pile body Two-way side resistance test device Expired - Fee Related CN209636879U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920039952.2U CN209636879U (en) 2019-01-10 2019-01-10 A kind of scene pile body Two-way side resistance test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920039952.2U CN209636879U (en) 2019-01-10 2019-01-10 A kind of scene pile body Two-way side resistance test device

Publications (1)

Publication Number Publication Date
CN209636879U true CN209636879U (en) 2019-11-15

Family

ID=68477319

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920039952.2U Expired - Fee Related CN209636879U (en) 2019-01-10 2019-01-10 A kind of scene pile body Two-way side resistance test device

Country Status (1)

Country Link
CN (1) CN209636879U (en)

Similar Documents

Publication Publication Date Title
US4854175A (en) Simple shear device for testing earthen materials and powders
CN108845108B (en) Simulation device and determination method for compacted loess seepage and post-construction settlement
CN104074210B (en) Pile foundation side friction shop experiment device and test method thereof
CN207379817U (en) A kind of weak soil pressure distribution laboratory testing rig for simulating various working
CN109868849B (en) Pile-soil interaction visual test device and test method thereof
CN106018102B (en) Building earthen ruins group's anchor pull-out test system
CN110297076A (en) A kind of three-dimensional visible osmotic grouting model test apparatus and method
CN107131862B (en) Rock-fill dam panel deformation monitoring device and construction method
CN106759547B (en) Integral Abutment, pile foundation and soil interaction pseudo-static experimental measuring device and its installation method
CN106018740A (en) Piezocone penetration test calibration tank system
CN203238678U (en) Ultralong pile effective pile length simulation testing box
CN109469125A (en) A kind of the load on pile foundation experimental rig and its detection method of optical fiber grating sensing detection
CN211505504U (en) Test device for simulating tunnel crossing water-rich fault gushing water
CN105259107A (en) Device for testing bond performance of reinforcing steel bar and concrete through drawing and testing method
CN106353357A (en) Device and method for monitoring micro structure changes of sand soil medium under seepage effect
CN106546710A (en) Determine that engineering barrier system is self-enclosed and the assay device of healing properties
CN114217045A (en) Seismic wave static sounding calibration tank system and using method thereof
CN207198157U (en) A kind of device for measuring cement-based material self-constriction
Seah et al. Horizontal coefficient of consolidation of soft Bangkok clay
Bonopera et al. Axial load detection in compressed steel beams using FBG–DSM sensors
CN109765109A (en) Soft Soil Layer pile foundation quasi-Pascal effect experimental rig
CN209636879U (en) A kind of scene pile body Two-way side resistance test device
CN110455712A (en) A kind of sample preparation device and test method for being inverted sample preparation measurement special surface and Soil Interface adhesive force
CN109537651A (en) A kind of scene pile body Two-way side resistance test device and its test method
CN113447413A (en) Unsaturated loess osmotic coefficient curve testing arrangement of steerable stress condition

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191115

Termination date: 20210110