CN105002939B - Model device and method for grouped pile field test - Google Patents
Model device and method for grouped pile field test Download PDFInfo
- Publication number
- CN105002939B CN105002939B CN201510456473.7A CN201510456473A CN105002939B CN 105002939 B CN105002939 B CN 105002939B CN 201510456473 A CN201510456473 A CN 201510456473A CN 105002939 B CN105002939 B CN 105002939B
- Authority
- CN
- China
- Prior art keywords
- model
- cushion cap
- pile
- piles
- positioning
- 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
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 238000004873 anchoring Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 7
- 238000010998 test method Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 208000012826 adjustment disease Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a model device and method for a grouped pile field test. The model device comprises anchor piles, a positioning and supporting device, a counterforce plate, model piles, a bearing platform, a jack, a load sensor, dial indicators, a programmable static strain indicator, a data processing computer, a numerical value force measuring instrument and a resistance strain gauge. The model piles are fixed below the bearing platform. A bearing platform cover plate is arranged on the upper surface of the bearing platform. The positioning and supporting device comprises an upper frame, a lower frame and a telescopic stand column. The upper frame and the lower frame are connected through the stand column. Connecting plates are arranged in the middle of the upper frame and the middle of the lower frame respectively. Telescopic rods are arranged at the four corners of each connecting plate respectively. Limiting rings are arranged at the ends of the telescopic rods. Water levels are arranged on the connecting plates. According to the model device and method for the grouped pile field test, the positioning and supporting device can be used for positioning the model piles and ensuring perpendicularity and ensuring levelness of the tops of the grouped piles and the bearing platform. The device is simple in structure, flexible, easy and convenient to operate, high in measuring precision and good in economic benefit.
Description
Technical field
A kind of the present invention relates to Geotechnical Engineering field, more particularly, it relates to model equipment of clump of piles field test
And method.
Background technology
Pile foundation is a kind of common base form, is widely used in the engineerings such as building, bridge, harbour.Group
Stake is constantly subjected to the attention of people as a kind of principal mode of pile foundation, the research of its stress deformation characteristic.
In pile foundation engineering, the prototype experiment carrying out a clump of piles needs to spend substantial amounts of human and material resources and time, or because of field
The restriction of the factors such as ground condition cannot be carried out prototype test, and under these conditions, live clump of piles model test becomes research, explores
A kind of effective ways with solve problem.The theoretical research that it is not only pile foundation provides test data and testing and verification, and
There is provided according to for engineering design and then instruct engineering practice.
Site-models test combines field test and the advantage of indoor model test: on the one hand it ensure soil structures
Integrity, has higher accuracy compared to indoor model；On the other hand cost-effective compared to live prototype test, shorten examination
Test the cycle.
In existing clump of piles site-models process of the test, Model Pile is method press-in manually under many circumstances
, during press-in, easily crooked situation in Model Pile, and the method that can only observe by the naked eye goes to adjust, Model Pile
Perpendicularity and the levelness of stake top of a clump of piles all cannot ensure, lead to the accuracy of measurement result to reduce.
Content of the invention
The technical problem to be solved in the present invention is, provides a kind of model equipment of clump of piles field test and method, this dress
Put the perpendicularity that can ensure that each Model Pile, flexible operation is easy, measurement precision is high.
The present invention solves this technical problem and be the technical scheme is that the model dress constructing a kind of clump of piles field test
Put, including anchoring pile, reaction plate, device for positioning and supporting, Model Pile, cushion cap, jack, load transducer, dial gauge, program control static state
Deformeter, data processing computer, numerical value dynamometer and resistance strain gage；
Described resistance strain gage is arranged on inside described Model Pile, and described Model Pile has many, and many Model Pile are fixed on
Below described cushion cap, described cushion cap upper surface arranges cushion cap cover plate；Described jack is arranged on cushion cap cover plate and load transducer
Between, described load transducer is connected with described numerical value dynamometer；Described wire is connected with described program control statical strain indicator, described
Program control statical strain indicator is connected with described data processing computer；Described dial gauge is arranged on above cushion cap cover plate by datum line beam；
Described anchoring pile is divided into two rows and is fixed in ground, is provided with support column between described reaction plate and ground；
Described device for positioning and supporting includes upper frame, underframe and telescopic column, and described upper frame and underframe lead to
Cross column to connect, the middle part of described upper frame and underframe is provided with connecting plate, four angles of described connecting plate are respectively provided with flexible
Bar, the end of described expansion link is provided with spacing collar, and described connecting plate is provided with spirit level.
In such scheme, described spacing collar includes the circle body of two semicircles, and one end of two circle bodies is hinged, the other end
Connected by fastener.
In such scheme, described underframe is provided with cantilever, and described cantilever is placed on datum line beam.
In such scheme, the bottom of described underframe is provided with fixing foot.
In such scheme, described expansion link, upper frame and underframe are provided with rule.
In such scheme, described reaction plate and anchoring pile are connected by steel wire rope, and the fixing end of described steel wire rope passes through steel pipe
It is fixedly connected on described reaction plate, the movable end of described steel wire rope is passed by the steel wire rope fairlead on anchoring pile, and passes through
Steel cable clamp buckles and stretches.
In such scheme, described Model Pile is connected with described cushion cap by nut, and described cushion cap is provided with multiple and model
The installing hole of stake cooperation.
In such scheme, described cushion cap cover plate is provided with positioning boss, and described positioning boss is connect with the stress surface of jack
Touch.
In such scheme, the surface of described positioning boss is provided with groove.
Present invention also offers a kind of test method using above-mentioned assay device, comprise the following steps:
S1, positioning press-in two row's anchoring piles；
S2, reference for installation beam stationary positioned support meanss, Model Pile passes through spacing collar, and resistance-strain is posted in press-in successively
Many Model Pile of piece, pass through spirit level leveling it is ensured that the perpendicularity of Model Pile and Ge Gen Model Pile stake top during press-in
The concordance of height；The column that positioning supports scalable it is ensured that the perpendicularity of whole piling process model stake；
S3, Model Pile is fixed on below cushion cap, and places cushion cap cover plate in cushion cap upper surface；
S4, installation jack, connect load transducer, program control statical strain indicator, data processing computer, numerical value dynamometer；
S5, installation support column, reaction plate are placed on support column, steel pipe are fixed on reaction plate, are connected with steel wire rope
Anchoring pile and reaction plate, and stretched with steel cable clamp fastening；
S6, dial gauge are arranged on above cushion cap cover plate by datum line beam；
S7, utilize load transducer and numerical value dynamometer, realize the accurate hierarchical loading of jack, it is heavy that dial gauge records cushion cap
Fall, program control statical strain indicator records pile strain, and data processing computer record analyzes strain data.
Implement the model equipment of clump of piles field test and the method for the present invention, have the advantages that
1st, the effect that device for positioning and supporting can play positioning and ensure perpendicularity to each Model Pile, further guarantee
Whole clump of piles stake top level, thus ensure cushion cap level.
2nd, the distance between device for positioning and supporting spacing collar can be adjusted by expansion link, is applicable to different pile spacings
A clump of piles.
3rd, column can stretch, and the height of upper frame can be adjusted with pile driving process, makes Model Pile in pile driving process
Perpendicularity is controlled in real time.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the front view of the model equipment of clump of piles field test of the present invention；
Fig. 2 is the side view of the model equipment of clump of piles field test of the present invention；
Fig. 3 is the connection diagram of Model Pile, cushion cap and cushion cap cover plate；
Fig. 4 is the structural representation of cushion cap；
Fig. 5 is the structural representation of Model Pile；
Fig. 6 is the structural representation of cushion cap cover plate；
Fig. 7 is the connection diagram of reaction plate and anchoring pile；
Fig. 8 is the structural representation of steel cable clamp；
Fig. 9 is the structural representation of device for positioning and supporting；
Figure 10 is that device for positioning and supporting is arranged on the top view on datum line beam.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing describes in detail
The specific embodiment of the present invention.
As shown in Figures 1 to 10, the model equipment of the clump of piles field test of the present invention includes 1, datum line beam, and 2, dial gauge,
3rd, cushion cap cover plate, 4, cushion cap, 5, jack, 6, load transducer, 7, nut, 8, Model Pile, 9, wire fairlead, 10, bolt
Hole, 11, anchoring pile, 12, steel wire rope fairlead, 13, bearing sheet, 14, steel wire rope, 15, reaction plate, 16, steel wire rope fixing hole, 17,
Program control statical strain indicator, 18, data processing computer, 19, numerical value dynamometer, 20, steel cable clamp, 21, steel pipe, 22, Model Pile
Preformed hole, resistance strain gage, 24, wire, 25, support column, 26, connecting plate, 27, column, 28, spacing collar, 29, spirit level, 30,
Expansion link, 31, fastener, 32, cantilever, 33, fixing foot, 34, underframe, 23, upper frame.
Resistance strain gage is arranged on inside Model Pile 8, and Model Pile 8 has many, and many Model Pile 8 are fixed on below cushion cap 4,
Cushion cap 4 upper surface arranges cushion cap cover plate 3.The stake top of Model Pile 8 is passed through two traveling nuts 7 and is connected cushion cap 4, is fixed on cushion cap 4
The nut 7 of bottom surface bears the load of cushion cap 4 transmission.Model Pile 8 adopts line cutting technology, each reserved certain in stake top and stake end
Length is not exclusively cut open, and pile body arranges bolt hole 10 at interval of a segment distance, and is being symmetrical arranged two at a certain distance from stake top
Individual wire fairlead 9.The bottom of Model Pile 8 is provided with back cover, and Model Pile 8 inner side different cross section posts resistance strain gage.
Jack 5 is arranged between cushion cap cover plate 3 and reaction plate 15, and load transducer 6 is connected with numerical value dynamometer 19, leads
Line 24 is connected with program control statical strain indicator 17, and program control statical strain indicator 17 is connected with data processing computer 18.Dial gauge 2 passes through base
Quasi- beam 1 is arranged on above cushion cap cover plate 3, and in the present embodiment, dial gauge 2 arranges four, measures the heavy of cushion cap 4 by dial gauge 2
Fall.Cushion cap 4 bottom has four Model Pile preformed holes 22, and Model Pile 8 heights of roofs is less than cushion cap 4 height, and cushion cap 4 is cuboid,
Middle baffled support, cushion cap 4 is divided into 4 intervals, is welded with triangular steel plate at each angle on top surface, make cushion cap 4 globality more
Good, the load of cushion cap cover plate 3 can be uniformly transferred simultaneously.Cushion cap 4 can be made according to different pile spacings, stake number, stake footpath.Counter-force
It is provided with support column 25 between plate 15 and ground.
Anchoring pile 11 is divided into two rows and is fixed in ground, and steel wire rope 14 fixing end passes through the steel wire rope fixing hole on reaction plate 15
16, and be fixedly connected on reaction plate 15 by steel pipe 21, steel wire rope 14 movable end passes through the steel wire rope fairlead on anchoring pile 11
12 pass, and are stretched by steel cable clamp 20 fastening.Often row anchoring pile 11 each four it is ensured that group can be supplied to by reaction plate 15
The enough counter-forces of stake.Each anchoring pile 11 highly consistent, and be located at steel wire rope fixing hole 16 immediately below, be allowed in straight line
Above it is ensured that steel wire rope 14 being capable of uniform stressed.There is provided counter-force by reaction plate 15, anchoring pile 11 and steel wire rope 14, than other methods
More flexible and convenient, saves experimentation cost and time.Steel wire rope 14 passes through steel cable clamp 20 fastening and stretches, can be according to not
With the position of cushion cap 4 type adjustment reaction plate 15, steel wire rope 14 flexible operation, so that assembly of the invention is set up and dismounting more saves
Shi Shengli.
Device for positioning and supporting includes upper frame 23, underframe 34 and telescopic column 27.Upper frame 23 and underframe 34
Connected by column 27, the middle part of upper frame 23 and underframe 34 is provided with connecting plate 26, and four angles of connecting plate 26 are respectively provided with
Expansion link 30, the end of expansion link 30 is provided with spacing collar 28 corresponding with Model Pile 8, and connecting plate 26 is provided with spirit level 29.
Cantilever 32 is additionally provided with underframe 34, cantilever 32 is placed on datum line beam 1.
Underframe 34 bottom is provided with fixing foot 33, facilitates insertion into fixing in ground.During press-in Model Pile 8, initially pass through upper ledge
The spacing collar 28 of frame 23 and underframe 34, and pass through spirit level 29 eye-level degree, prevent deviation.Column 27 can be stretched
Contracting, the height of upper frame 23 can be adjusted with pile driving process, so that perpendicularity in pile driving process for the Model Pile 8 is controlled in real time
System.
It is suitable for the clump of piles model of different pile spacings by the spacing that expansion link 30 can be adjusted between each spacing collar 28.
On expansion link 30, upper frame 23 and underframe 34, rule is set, convenient regulation.It is provided with fixing buckle in the middle part of expansion link 30, stretch
Pass through fixing snaps into position after being reduced to designated length.
Spacing collar 28 includes the circle body of two semicircles, and one end of two circle bodies is hinged, and the other end passes through fastener 31 even
Connect.After Model Pile 8 press-in, take fastener 31 apart and can be taken off device for positioning and supporting, will not interfere with each other with wire 24.
Further, in order to improve the stability of support meanss, support meanss are additionally provided with cantilever 32, and cantilever 32 is placed on base
On quasi- beam 1, improve stability.
Further, cushion cap cover plate 3 is provided with positioning boss 301, and positioning boss 301 is contacted with the stress surface of jack 5,
Guarantee that the loading of jack 5 is located at the position in axle center.The surface of positioning boss 301 is provided with groove 302, prevents jack further
5 offset during loading.
Further, cushion cap cover plate 3 is provided with spirit level 29, can be observed by spirit level 29 and adjust cushion cap cover plate 3
Levelness.
Present invention also offers a kind of test method using above-mentioned assay device, comprise the following steps:
S1, Model Pile 8 inner surface keep at a certain distance away symmetrical paste two panels resistance strain gage, should by resistance by terminal
Become piece to be connected with wire 24, and wire 24 is drawn from the wire fairlead 9 of Model Pile 8 respectively；Closed model stake 8, in bolt
At hole 10, insertion bolt is fixed.
S2, the two row's steel wire rope fixing holes 16 passing through on reaction plate 15, determine the position of burying of anchoring pile 11, respectively by anchoring pile
11 squeeze into foundation soil designated depth.
S3, the Model Pile preformed hole 22 passing through on cushion cap 4, Model Pile 8 are respectively put into the hole position on foundation soil, in two rows
Anchoring pile 11 center determines that Model Pile 8 is buried position.Reference for installation beam 1 stationary positioned support meanss, on underframe 34
The corresponding hole position of spacing collar 28 is placed, and Model Pile 8 passes through spacing collar 28, and then many models of resistance strain gage are posted in press-in successively
Stake 8, passes through spirit level 29 leveling it is ensured that the perpendicularity of Model Pile 8 is consistent with Ge Gen Model Pile 8 stake top height in process of press in
Property.The column 27 that positioning supports scalable it is ensured that the perpendicularity of whole piling process model stake 8.
S4, ensure perpendicularity in the case of, clockwise Model Pile 8 is followed cushion cap 4 successively and is pressed into specified embedded depth；
When the stake top of all Model Pile 8 is in sustained height, remove device for positioning and supporting, pass through Model Pile preformed hole 22 in stake top position
It is allowed to be connected with cushion cap 4；By nut 7, cushion cap 4 is fixedly connected with Model Pile 8.
S5, cushion cap cover plate 3 is placed on cushion cap 4, jack 5 is placed on the cushion cap cover plate 3 being provided with positioning boss 301,
Then place load transducer 6 on jack 5, and load transducer 6 is connected numerical value dynamometer 19；By wire 24 with program control
Statical strain indicator 17 connects, and is connected with data processing computer 18 by data wire.
S6, reaction plate 15 is placed on support column 25；Steel wire rope 14 fixing end is fixedly connected on counter-force by steel pipe 21
On plate 15, steel wire rope 14 movable end is passed by steel wire rope fairlead 12；Steel wire rope 14 passes through steel cable clamp 20 fastening and stretches,
Cushion cap 4 can be flexibly controlled to reserve height with reaction plate 15 by steel wire rope 14.
S7, datum line beam 1 is arranged between cushion cap 4 and anchoring pile 11, makes datum line beam 1 level and do not done by other devices
Disturb；By datum line beam 1, dial gauge 2 is vertically erected on four angles of cushion cap cover plate 3.
S8, unlatching jack 5 pattern of pressure, because, in two row's anchoring pile 11 press-in foundation soil, reaction plate 15 passes through steel wire rope
14 are connected, and can provide enough counter-forces for device；Cushion cap cover plate 3 delivers load to cushion cap 4 and Model Pile 8, is mould
Type stake 8 provides vertical load；Jack 5 utilizes load transducer 6 and numerical value dynamometer 19, realizes accurate hierarchical loading；Fixing
Four dial gauges 2 on datum line beam 1 can record cushion cap 4 and settle；In Model Pile 8, the two panels resistance strain gage of different cross section can divide
Do not reflect the situation of pile strain in this depth, program control statical strain indicator 17 can record pile strain it is possible to connect at data
Reason computer 18 record analyses pile strain data.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematically, rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, also can make a lot
Form, these belong within the protection of the present invention.
Claims (8)
1. a kind of model equipment of clump of piles field test is it is characterised in that include anchoring pile, reaction plate, device for positioning and supporting, model
Stake, cushion cap, jack, load transducer, dial gauge, wire, program control statical strain indicator, data processing computer, numerical value dynamometer
And resistance strain gage；
Described resistance strain gage is arranged on inside described Model Pile, and described Model Pile has many, and many Model Pile are fixed on described
Below cushion cap, described cushion cap upper surface arranges cushion cap cover plate；Described jack is arranged between cushion cap cover plate and load transducer,
Described load transducer is connected with described numerical value dynamometer；Described wire connects described program control statical strain indicator and resistance-strain
Piece, described program control statical strain indicator is connected with described data processing computer；Described dial gauge is arranged on cushion cap lid by datum line beam
Above plate；Described anchoring pile is divided into two rows and is fixed in ground, is provided with support column between described reaction plate and ground；Described reaction plate
Connected by steel wire rope with anchoring pile, the fixing end of described steel wire rope is fixedly connected on described reaction plate by steel pipe, described steel
The movable end of cord is passed by the steel wire rope fairlead on anchoring pile, and is stretched by steel cable clamp fastening；Jack is arranged
Between cushion cap cover plate and reaction plate；
Described device for positioning and supporting includes upper frame, underframe and telescopic column, and described upper frame and underframe pass through to stand
Post connects, and the middle part of described upper frame and underframe is provided with connecting plate, and four angles of described connecting plate are respectively provided with expansion link, institute
The end stating expansion link is provided with spacing collar, and described connecting plate is provided with spirit level；Described underframe is provided with cantilever, is pressed into model
During stake, described cantilever is placed on datum line beam, and Model Pile passes through described spacing collar.
2. the model equipment of clump of piles field test according to claim 1 is it is characterised in that described spacing collar includes two
The circle body of semicircle, one end of two circle bodies is hinged, and the other end is connected by fastener.
3. the model equipment of clump of piles field test according to claim 1 is it is characterised in that the bottom of described underframe sets
There is fixing foot.
4. the model equipment of clump of piles field test according to claim 1 is it is characterised in that described expansion link, upper frame
It is provided with rule with underframe.
5. the model equipment of clump of piles field test according to claim 1 is it is characterised in that described Model Pile passes through nut
It is connected with described cushion cap, described cushion cap is provided with multiple installing holes with Model Pile cooperation.
6. the model equipment of clump of piles field test according to claim 1 is it is characterised in that described cushion cap cover plate is provided with
Positioning boss, described positioning boss is contacted with the stress surface of jack.
7. the model equipment of clump of piles field test according to claim 6 is it is characterised in that the surface of described positioning boss
It is provided with groove.
8. a kind of test method of model equipment described in utilization claim 1-7 any one is it is characterised in that include following walking
Rapid:
S1, positioning press-in two row's anchoring piles；
S2, reference for installation beam stationary positioned support meanss, Model Pile passes through spacing collar, and resistance strain gage is posted in press-in successively
Many Model Pile, during press-in pass through spirit level leveling it is ensured that the perpendicularity of Model Pile and Ge Gen Model Pile stake top height
Concordance；Column that positioning supports scalable it is ensured that the perpendicularity of piling process model stake；
S3, Model Pile is fixed on below cushion cap, and places cushion cap cover plate in cushion cap upper surface；
S4, installation jack, connect load transducer, program control statical strain indicator, data processing computer, numerical value dynamometer；
S5, installation support column, reaction plate are placed on datum line beam, steel pipe are fixed on reaction plate, connect anchoring pile with steel wire rope
And reaction plate, and stretched with steel cable clamp fastening；
S6, dial gauge are arranged on above cushion cap cover plate by datum line beam；
S7, utilize load transducer and numerical value dynamometer, realize the accurate hierarchical loading of jack, dial gauge record cushion cap settle,
Program control statical strain indicator records pile strain, and data processing computer record analyzes strain data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456473.7A CN105002939B (en) | 2015-07-29 | 2015-07-29 | Model device and method for grouped pile field test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456473.7A CN105002939B (en) | 2015-07-29 | 2015-07-29 | Model device and method for grouped pile field test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105002939A CN105002939A (en) | 2015-10-28 |
| CN105002939B true CN105002939B (en) | 2017-01-18 |
Family
ID=54375783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510456473.7A Expired - Fee Related CN105002939B (en) | 2015-07-29 | 2015-07-29 | Model device and method for grouped pile field test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105002939B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821913B (en) * | 2016-04-06 | 2019-03-05 | 江苏苏州地质工程勘察院 | Foundation model test counter-force load bringing device and test method |
| CN105862941A (en) * | 2016-05-24 | 2016-08-17 | 武汉科技大学 | Model device and method for measuring time effect of bearing capacity of pile foundations on site |
| CN106088172B (en) * | 2016-08-11 | 2019-04-02 | 青岛理工大学 | Testing device for combined measurement of pile top and pile end displacement of cast-in-place pile |
| CN106284438B (en) * | 2016-08-11 | 2019-04-02 | 青岛理工大学 | Test method for combined measurement of pile top and pile end displacement of cast-in-place pile |
| CN106522291B (en) * | 2016-12-19 | 2018-07-10 | 武汉科技大学 | A kind of clump of piles resistance to plucking site-models experimental rig and method |
| CN110607811A (en) * | 2019-10-25 | 2019-12-24 | 中铁第四勘察设计院集团有限公司 | Pile group loading test device and method for simulating high-speed rail bridge operation load |
| CN113431104B (en) * | 2021-07-13 | 2023-05-05 | 中国铁路上海局集团有限公司杭州铁路枢纽工程建设指挥部 | Single pile static load test device and method for providing counter force by combining pile group and bearing platform |
| CN114263222B (en) * | 2021-11-24 | 2022-09-13 | 浙江大学 | Model test device and method for measuring ultimate bearing capacity of grouped piles under inclined eccentric load in sandy soil |
| CN114755092B (en) * | 2022-03-23 | 2023-02-03 | 哈尔滨商业大学 | Special device and method for seasonal frozen soil indoor test |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6363776B1 (en) * | 1999-11-12 | 2002-04-02 | Gary L. Reinert, Sr. | Pile testing reaction anchor apparatus and method |
| CN204326120U (en) * | 2014-12-05 | 2015-05-13 | 武汉科技大学 | A kind of device measuring horizontal bearing capacity of single pile |
| CN104452835B (en) * | 2014-12-06 | 2016-04-27 | 国家电网公司 | Test device for transmission line foundation test and setting method thereof |
| CN104775456A (en) * | 2015-02-16 | 2015-07-15 | 中交天津港湾工程研究院有限公司 | Port engineering load test sedimentation measurement system |
| CN204849855U (en) * | 2015-07-29 | 2015-12-09 | 武汉科技大学 | Clump of piles field test's model device |
-
2015
- 2015-07-29 CN CN201510456473.7A patent/CN105002939B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105002939A (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105002939B (en) | Model device and method for grouped pile field test | |
| CN105277444B (en) | Fully mechanical pile foundation model test apparatus and test method based on multidirectional loading | |
| JP2014088689A (en) | Loading test method and loading test device for composite reinforcement ground | |
| CN201698622U (en) | External prestressing experiment device | |
| CN101832993B (en) | Semi-module test box for dynamic compaction reinforced foundation model test | |
| CN106644323A (en) | Steel beam test model measuring device and testing method thereof | |
| CN114199686B (en) | Model test device and method for operating highway tunnel lining disease evolution law | |
| CN202610847U (en) | Measuring device of pile soil negative friction | |
| CN103698210A (en) | Comprehensive mechanical property test device of fuel assembly and test method thereof | |
| CN109060532B (en) | Karst area ultra-long pile buckling stability indoor model experimental device and method | |
| CN208888051U (en) | A kind of assembly superposed type piping lane Quintic system load testing machine | |
| CN214883927U (en) | Indoor model test device for simulating stress deformation of karst cave foundation pile | |
| CN204849855U (en) | Clump of piles field test's model device | |
| CN106400857B (en) | For the model equipment and method of the inaccessible degree of soil plug in in-site measurement opening pile | |
| CN206902781U (en) | The detection means of anchor pole internal force exterior measuring | |
| CN105319082A (en) | Historic building wooden pillar overturning deformation loading measurement device and loading measurement method thereof | |
| CN212340590U (en) | Device for simulating vibration load of tunnel train | |
| CN112229599A (en) | Wind-structure-foundation coupling synchronous test system based on wind tunnel | |
| CN106522291B (en) | A kind of clump of piles resistance to plucking site-models experimental rig and method | |
| CN105862941A (en) | Model device and method for measuring time effect of bearing capacity of pile foundations on site | |
| CN105509683A (en) | Displacement measuring device used for self-balance pile testing method | |
| CN215296993U (en) | Multi-connected rock-soil in-situ shear testing device for full-stress path tracking | |
| CN108871950B (en) | Model test device for simulating tree root toppling, pulling and destroying under strong wind and rainstorm effect | |
| CN109403392B (en) | System and method for measuring and calculating horizontal counter force coefficient of soil body | |
| CN205209795U (en) | Ancient building post topples and warp loading measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 |