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 PDFInfo
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- 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
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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
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.
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