CN106522291A - Field model test device and method for pulling resistance of pile cluster - Google Patents
Field model test device and method for pulling resistance of pile cluster Download PDFInfo
- Publication number
- CN106522291A CN106522291A CN201611179416.XA CN201611179416A CN106522291A CN 106522291 A CN106522291 A CN 106522291A CN 201611179416 A CN201611179416 A CN 201611179416A CN 106522291 A CN106522291 A CN 106522291A
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- Prior art keywords
- frustum
- pile
- cushion cap
- standard
- model
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- 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.)
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Links
- 241000219430 Betula pendula Species 0.000 claims description 25
- 238000004166 bioassay Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000011888 foil Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 230000001419 dependent Effects 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 210000002832 Shoulder Anatomy 0.000 claims description 2
- 230000000875 corresponding Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 210000000614 Ribs Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002965 rope Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The invention relates to a field model test device and method for the pulling resistance of a pile cluster. The field model test device comprises a plurality of model piles, a main beam, a standard pile, a standard beam, a dial indicator and a counterforce pier, wherein the standard beam is mounted on the standard pile, the dial indicator used for measuring settlement of the model piles is mounted on the standard beam, the main beam is mounted on the counterforce pier, a centre hole jack is arranged on the main beam, and the multiple model piles are fixed to a bearing stand to form the pile cluster; and limiting holes are formed in the bearing stand, the upper ends of the model piles penetrate through the limiting holes and fixed to the bearing stand through first nuts, and a box cover is fixed to the top of the bearing stand. According to the field model test device and method for the pulling resistance of the pile cluster, the perpendicularity of a foundation of the pile cluster and the levelness of a foundation of the bearing stand can be guaranteed, and uniform stress of the foundation of the pile cluster is guaranteed; in the pile driving process, the model piles can be made internally tangent to the limiting holes, and thus the perpendicularity of the model piles is guaranteed.
Description
Technical field
The present invention relates to ground work engineering field, more particularly, it relates to a kind of clump of piles resistance to plucking site-models assay device.
Background technology
Pile foundation is a kind of modal base form, is all obtained in building, bridge, tunnel, harbour and structures field
Extensive utilization, pile foundation are applied to super high rise building, large-scale bridges by substantial amounts of with its exclusive bearing capacity advantage
Beam etc. modernizes civil engineering, and pile foundation possesses powerful application prospect.
In pile foundation engineering, the prototype test for carrying out pile foundation needs to spend substantial amounts of human and material resources and financial resources, or due to
The restriction of field condition causes pile foundation prototype test be smoothed out, under these conditions, site-models test become research,
Explore and solve one of effective way of engineering problem.
In existing clump of piles resistance to plucking site-models process of the test, there is provided the jack of withdrawal resistance cannot ensure absolute synchronization
Pressurization, causes impact of the eccentric force that cushion cap foundation more or less bears to result of the test;Traditional many dowel steels cannot ensure
The phenomenon of many bar uniform forces, so as to cause cushion cap foundation discontinuity;The purposes of traditional resistance to plucking site-models assay device
With respect to single, it is impossible to realize multipurpose, efficient test.
The content of the invention
The technical problem to be solved in the present invention is, there is provided a kind of clump of piles resistance to plucking site-models assay device and method, can
To ensure the levelness and multi-column pier foundation uniform stressed of the perpendicularity and cushion cap foundation of multi-column pier foundation.
The technical solution adopted for the present invention to solve the technical problems is:Construct a kind of clump of piles resistance to plucking site-models test dress
Put, including Model Pile, girder, standard pile, Standard Beam and counter-force pier, the Standard Beam, the standard are installed on the standard pile
Dial gauge for measurement model stake sedimentation is installed on beam, the erection of main beam is on counter-force pier, it is characterised in that the girder
On be provided with centre-hole jack, the Model Pile is provided with many, and many Model Piles are fixed on cushion cap, constitute a clump of piles, it is described
Cushion cap is provided with spacing hole, and Model Pile upper end is passed through spacing hole and is fixed on cushion cap by the first nut, the top of the cushion cap
Portion is fixed with case lid, and the case lid crown center position is provided with arc shaped hook, and the arc shaped hook is fixed on case lid by the second nut
On, the arc shaped hook is connected with cable wire, and frustum and frustum cap are provided with the top of the centre-hole jack, and the cable wire passes through described
Frustum and frustum cap, are provided with the frustum plug to being clipped in cable wire both sides inside the frustum, the frustum cap is threadedly coupled with frustum,
The frustum cap of tightening makes frustum plug clamp cable wire, and the Model Pile inwall is fixed with foil gauge, and the wire for connecting foil gauge leads to
Cross wire hole and be connected to program control statical strain indicator through Model Pile, the outer surface of the cushion cap is provided with inserted sheet, the dial gauge with
The blade contact.
In such scheme, the steel plate rib for being mutually perpendicular to be distributed inside the cushion cap, is provided with.
In such scheme, the cushion cap is connected by plate with case lid, and the cushion cap and the plate are provided with corresponding
Threading groove, in residing plate insertion threading groove.
In such scheme, the cushion cap surface is provided with level indicator.
Present invention also offers a kind of test method of clump of piles resistance to plucking site-models assay device, comprises the following steps:
S1, one group of foil gauge is symmetrically fixed at a certain distance in Model Pile inwall, the wire for connecting foil gauge passes through
String holes is connected to program control statical strain indicator through Model Pile;
S2, single Model Pile is sequentially passed through spacing hole and the first nut in cushion cap position to place, and squeeze into Model Pile
To specified location, plug is installed in Model Pile lower end, successively using identical method squeeze into Model Pile and will Model Pile and inserted sheet it is solid
Determine on cushion cap;
S3, case lid and cushion cap are connected as by an entirety by plate, case lid is just gone up part and installs arc shaped hook, and arc shaped hook leads to
Cross the second nut to fix;
S4, standard pile is squeezed into, and Standard Beam is installed on standard pile, dial gauge is installed on Standard Beam;Connecting with standard pile
Counter-force pier is placed on the vertical line of line center, girder on counter-force pier, is set up, centre-hole jack, jack are placed in girder centre position
Upper erection frustum;During test, in the frustum set up on centre-hole jack frustum plug through top frustum cap to frustum plug
Extruding realizes that frustum plug is contacted with the extruding of cable wire, when centre-hole jack pushing tow frustum upwards, frustum plug and steel in frustum
There is a relative motion trend between rope, frustum plug band running wire occurs a displacement upwards, so as to cause the product of uplift force
Raw, uplift force passes to cushion cap by cable wire and case lid, above stands head and shoulders above others a model;
S5, by dial gauge read displacement at pile top, by program control statical strain indicator read Model Pile dependent variable.
In such scheme, when needing to do anti-horizontal loading site-models experimental study, only girder and its top need to be filled
Put and be all moved to outside of the standard pile relative to multi-column pier foundation, and be rotated by 90 ° laterally to be laid in and same water be in cushion cap
Steel plate in plane, the Standard Beam for removing is attached on counter-force pier, and pressurize centre-hole jack, completes multi-column pier foundation
Anti- horizontal loading test.
Implement the clump of piles resistance to plucking site-models assay device and method of the present invention, have the advantages that:
1st, the device can ensure that the levelness and multi-column pier foundation uniform stressed of the perpendicularity and cushion cap foundation of multi-column pier foundation,
I.e. in cushion cap spacing hole by be mutually perpendicular to or parallel vertical rectangular slab between space constitute, be mutually perpendicular to or parallel vertical
Between rectangular slab, welding fabrication is cushion cap, and the design that there are a large amount of steel plate ribs in cushion cap ensure that the needs of Pile-cap Rigidity, so as to
The overall stress of cushion cap and Model Pile, i.e. multi-column pier foundation uniform stressed are ensure that, because spacing hole possesses vertical condition in itself,
Model Pile can be made during piling to be inscribed within spacing hole, so as to ensure that the perpendicularity of Model Pile;
2nd, be respectively arranged with two intersecting lateral faces of cushion cap two it is in the same plane mutually not parallel and hang down with Model Pile
Straight level indicator, whether in two level indicators placed in the middle, air level determines a horizontal plane, occupied according to two air levels in test
Middle judgement cushion cap whether level;
3rd, the device can ensure that uplift force is uniformly transferred, i.e. the design of cable wire many bar power transmissions different from the past, be changed to list
Root cable wire (being made up of A, B two parts) doubling stress, without fixed constraint and arc shaped hook between in the middle part of cable wire, during test, single steel
Rope A, part B absolute synchronization stress, uniformly transfer uplift force.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the front view of clump of piles resistance to plucking site-models assay device of the present invention;
Fig. 2 is the side view of clump of piles resistance to plucking site-models assay device of the present invention;
Fig. 3 is the site plan of clump of piles resistance to plucking site-models assay device of the present invention;
Fig. 4 is the counter-force pier structure schematic diagram of clump of piles resistance to plucking site-models assay device of the present invention;
Fig. 5 is the frustum profile of clump of piles resistance to plucking site-models assay device of the present invention;
Fig. 6 is the cushion cap and cover structure schematic diagram of clump of piles resistance to plucking site-models assay device of the present invention;
Fig. 7 is the flat bearer plane layout drawing of water resistant of clump of piles resistance to plucking site-models assay device of the present invention.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now compare accompanying drawing and describe in detail
The specific embodiment of the present invention.
As shown in Fig. 1 to 7, clump of piles resistance to plucking site-models assay device of the present invention includes:Model Pile 1, foil gauge 2, outlet
Hole 3, the first nut 4, inserted sheet 5, standard pile 6, Standard Beam 7, dial gauge 8, cushion cap 9, spacing hole 91, steel plate rib 92, level indicator 93,
Case lid 10, the second nut 11, arc shaped hook 12, plate 13, threading groove 131, threading groove 132, cable wire 14, centre-hole jack 15,
Frustum 16, screw thread 161, frustum plug 162, frustum cap 17, girder 18, counter-force pier 19.
Standard Beam 7 is installed on standard pile 6, the dial gauge 8 for the sedimentation of measurement model stake 11, girder are installed on Standard Beam 7
18 are arranged on counter-force pier 19, and centre-hole jack 15 is provided with girder 18, and Model Pile 1 is provided with many, and many Model Piles 1 are solid
It is scheduled on cushion cap 9, constitutes a clump of piles, cushion cap 9 is provided with spacing hole 91, and 1 upper end of Model Pile passes through spacing hole 91 and passes through the first spiral shell
Female 4 are fixed on cushion cap 9, and the top of cushion cap 9 is fixed with case lid 10, and 10 crown center position of case lid is provided with arc shaped hook 12, arc
Hook 12 is fixed on case lid 10 by the second nut 11, and arc shaped hook 12 is connected with cable wire 14, is provided with the top of centre-hole jack 15
Frustum 16 and frustum cap 17, cable wire 14 pass through frustum 16 and frustum cap 17, are provided with to being clipped in 14 both sides of cable wire inside frustum 16
Frustum plug 162, frustum cap 17 are connected by screw thread 161 with frustum 16, and tightening frustum cap makes frustum plug 162 clamp cable wire 14, mould
1 inwall of type stake is fixed with foil gauge 2, and the wire for connecting foil gauge 2 is connected to program control static state through Model Pile 1 by wire hole 3
Deformeter, the outer surface of cushion cap 9 are provided with inserted sheet 5, and the measurement head of dial gauge 8 is contacted with 5 surface of inserted sheet, and the displacement of inserted sheet 5 is
The displacement of a clump of piles.
1 upper end of Model Pile is fixed on cushion cap 9 through spacing hole 91 by the first nut 4, the spacing hole of certain depth
The perpendicularity of 91 Model Piles 1 for ensureing, the level indicator 93 of 9 side of cushion cap ensure that the levelness of cushion cap 9, and 9 top of cushion cap is worn
The bottom threading groove 132 of board slot 131 and case lid 10 is fixed on same level by the dislocation of plate 13, and that what is born on case lid 10 is upper
Pull out force passes to cushion cap 9 by plate at its tank wall, and in cushion cap 9, steel plate rib 92 ensures that cushion cap 9 possesses making and cushion cap for abundance
The rigidity of the 1 synchronous stress of Model Pile of connection.
The bottom of case lid 10 is connected with cushion cap 9 by plate 13, and case lid crown center position arc shaped hook 12 passes through nut 11
Be connected with case lid 10, arc shaped hook 12 bear the effect of square steel rope 14 thereon on pull out tension force, and this uplift force is passed through into the second nut
11 pass to case lid 10.
Such as Fig. 6, in order to avoid plate 13 occurs failure by shear, its cross-sectional area should meet following condition:
In formula, cross-sectional areas of the S for plate;
Thickness of the h for plate, width of the L for plate;
The allowable shear stress of [τ] plate, equal to 0.6-0.8 τDraw, τDrawFor the tensile strength of steel;
FmaxFor maximum withdrawal resistance.
Frustum plug 162 is caused to produce a displacement straight down by the frustum cap 17 that screw thread 161 is manually tightened, due to
The effect of 162 conical surface of frustum plug, frustum plug 162 generate level to the water in 14 direction of cable wire while producing displacement straight down
Prosposition is moved, so as to cause lateral extrusion of the frustum plug 162 to cable wire 14, when the effect of centre-hole jack 15 drives frustum 16
When frustum plug 162 produces a displacement trend straight up, the uplift force of centre-hole jack is passed in the form of stiction
Pass cable wire.
The middle part of girder 18 is equally open at the lower ending opening relative to centre-hole jack 15, and opening diameter is consistent,
The pushing tow frustum 16 upwards based in the middle part of girder 18 of centre-hole jack 15, the two ends of girder 18 based on counter-force pier 19,
Balance power of the centre-hole jack 15 to girder 18.
The structural representation of counter-force pier 19 such as Fig. 4, arranges symmetrical rib of slab inside counter-force pier 19, to provide counter-force pier 19
Rigidity, the expansion downwards of 19 numerical value of counter-force pier are processed, to the bearing capacity for improving counter-force pier 19, while counter-force pier pair can be reduced
The impact of Model Pile soil pressure.
The detailed enforcement measuring method step of above-mentioned assay device is as follows:
1. one group of foil gauge is symmetrically fixed at a certain distance in Model Pile inwall, the wire for connecting foil gauge passes through outlet
Hole is connected to program control statical strain indicator through Model Pile.
2. handle test site well, single Model Pile is sequentially passed through into spacing hole and nut in cushion cap and positions to place certain
Point, and Model Pile is squeezed into specified location, plug is installed in Model Pile lower end, it is to avoid in place, clay enters mould during piling
Inside type stake, experimental results are affected.Model Pile is squeezed into using identical method successively and Model Pile and inserted sheet are fixed to
Relevant position on cushion cap.
3. case lid and cushion cap are connected as by an entirety by plate, case lid is just gone up part and installs the arc for being available for cable wire to connect
Shape hook, arc shaped hook are fixed by nut.Such as Fig. 6.
4. compare drawing standard pile to be squeezed into relevant position and Standard Beam is installed on standard pile, percentage is installed on Standard Beam
Table, dial gauge are used to measure multi-column pier foundation sedimentation;With standard pile line center vertical line on place counter-force pier, counter-force pier restocking
If girder, centre-hole jack is placed in girder centre position, and frustum is set up on jack.During test, on centre-hole jack
Extruding of the frustum plug through top frustum cap to frustum plug in the frustum of erection realizes that frustum plug is contacted with the extruding of cable wire, when wearing
Core type jack upwards pushing tow frustum when, in frustum between frustum plug and cable wire occur a relative motion trend, frustum plug band
There is a displacement upwards in running wire, so as to cause the generation of uplift force, uplift force to pass to cushion cap by cable wire and case lid.
5. when needing to do anti-horizontal loading site-models experimental study, only need to girder and its upper unit all movements
To standard pile relative to the outside of multi-column pier foundation, and the steel being laid in cushion cap in the same level is rotated by 90 ° laterally
Plate, the Standard Beam for removing is attached on counter-force pier, and pressurize centre-hole jack, completes the anti-horizontal loading of multi-column pier foundation
Test.
Displacement at pile top is read by dial gauge, the dependent variable of Model Pile is read by program control statical strain indicator, jack
Loading force directly can be read on jack.
Embodiments of the invention are described above in conjunction with accompanying drawing, but be the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment are only schematic, rather than restricted, one 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, can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (6)
1. a kind of clump of piles resistance to plucking site-models assay device, including Model Pile, girder, standard pile, Standard Beam, Standard Beam and counter-force
Pier, installs the Standard Beam on the standard pile, Standard Beam is installed on the Standard Beam, is used for measurement model on the Standard Beam
The dial gauge of stake sedimentation, the erection of main beam is on counter-force pier, it is characterised in that be provided with punching on the girder very heavy
Top, the Model Pile are provided with many, and many Model Piles are fixed on cushion cap, constitute a clump of piles, and the cushion cap is provided with spacing hole, mould
Type stake upper end is passed through spacing hole and is fixed on cushion cap by the first nut, and case lid, the case are fixed with the top of the cushion cap
Tops centre position is provided with arc shaped hook, and the arc shaped hook is fixed on case lid by the second nut, the arc shaped hook and cable wire
Connection, is provided with frustum and frustum cap at the top of the centre-hole jack, the cable wire passes through the frustum and frustum cap, the cone
The frustum plug to being clipped in cable wire both sides is provided with inside platform, the frustum cap is threadedly coupled with frustum, the frustum cap of tightening makes cone
Platform plug clamps cable wire, and the Model Pile inwall is fixed with foil gauge, and the wire for connecting foil gauge passes through Model Pile by wire hole
Program control statical strain indicator is connected to, the outer surface of the cushion cap is provided with inserted sheet, the dial gauge and the blade contact.
2. clump of piles resistance to plucking site-models assay device according to claim 1, it is characterised in that be provided with inside the cushion cap
It is mutually perpendicular to the steel plate rib being distributed.
3. clump of piles resistance to plucking site-models assay device according to claim 1, it is characterised in that the cushion cap is led to case lid
Plate connection is crossed, the cushion cap and the plate are provided with corresponding threading groove, in residing plate insertion threading groove.
4. clump of piles resistance to plucking site-models assay device according to claim 1, it is characterised in that the cushion cap surface is provided with
Level indicator.
5. a kind of test method of the clump of piles resistance to plucking site-models assay device described in utilization claim 1, it is characterised in that bag
Include following steps:
S1, one group of foil gauge is symmetrically fixed at a certain distance in Model Pile inwall, the wire for connecting foil gauge passes through wire hole
Program control statical strain indicator is connected to through Model Pile;
S2, single Model Pile is sequentially passed through spacing hole and the first nut in cushion cap position to place, and squeeze into Model Pile and extremely refer to
Positioning is put, and plug is installed in Model Pile lower end, squeezes into Model Pile using identical method successively and is fixed to Model Pile and inserted sheet
On cushion cap;
S3, case lid and cushion cap are connected as by an entirety by plate, case lid is just gone up part and installs arc shaped hook, arc shaped hook is by the
Two nuts are fixed;
S4, standard pile is squeezed into, and Standard Beam is installed on standard pile, dial gauge is installed on Standard Beam;In with standard pile line
Counter-force pier is placed on heart vertical line, girder on counter-force pier, is set up, centre-hole jack, jack restocking are placed in girder centre position
If frustum;During test, extruding of the frustum plug through top frustum cap to frustum plug in the frustum set up on centre-hole jack
Realize that frustum plug is contacted with the extruding of cable wire, when centre-hole jack pushing tow frustum upwards, in frustum frustum plug and cable wire it
Between occur a relative motion trend, frustum plug band running wire there is a displacement upwards, so as to cause the generation of uplift force, on
Pull out force passes to cushion cap by cable wire and case lid, above stands head and shoulders above others a model;
S5, by dial gauge read displacement at pile top, by program control statical strain indicator read Model Pile dependent variable.
6. the test method of clump of piles resistance to plucking site-models assay device according to claim 5, it is characterised in that work as needs
When doing anti-horizontal loading site-models experimental study, only girder and its upper unit all need to be moved to standard pile relative to group
The outside of pile foundation, and the steel plate being laid in cushion cap in same level is rotated by 90 ° laterally, by what is removed
Standard Beam is attached on counter-force pier, and pressurize centre-hole jack, completes the anti-horizontal loading test of multi-column pier foundation.
Priority Applications (1)
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CN201611179416.XA CN106522291B (en) | 2016-12-19 | 2016-12-19 | A kind of clump of piles resistance to plucking site-models experimental rig and method |
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CN201611179416.XA CN106522291B (en) | 2016-12-19 | 2016-12-19 | A kind of clump of piles resistance to plucking site-models experimental rig and method |
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CN106522291A true CN106522291A (en) | 2017-03-22 |
CN106522291B CN106522291B (en) | 2018-07-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110849790A (en) * | 2019-11-25 | 2020-02-28 | 浙江大学 | Constant water head static load pile bearing type roadbed seepage erosion test device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020095976A1 (en) * | 1999-11-12 | 2002-07-25 | Reinert Gary L. | Pile testing reaction anchor apparatus and method |
CN201520988U (en) * | 2009-10-10 | 2010-07-07 | 中交上海港湾工程设计研究院有限公司 | Physical pile group vertical uplift-resisting static load testing system |
CN201687015U (en) * | 2010-02-25 | 2010-12-29 | 中国电力科学研究院 | Pulling resistance testing device |
JP2014088689A (en) * | 2012-10-30 | 2014-05-15 | Ssc Pile Association | Loading test method and loading test device for composite reinforcement ground |
CN105002939A (en) * | 2015-07-29 | 2015-10-28 | 武汉科技大学 | Model device and method for grouped pile field test |
CN206538798U (en) * | 2016-12-19 | 2017-10-03 | 武汉科技大学 | A kind of clump of piles resistance to plucking site-models experimental rig |
-
2016
- 2016-12-19 CN CN201611179416.XA patent/CN106522291B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020095976A1 (en) * | 1999-11-12 | 2002-07-25 | Reinert Gary L. | Pile testing reaction anchor apparatus and method |
CN201520988U (en) * | 2009-10-10 | 2010-07-07 | 中交上海港湾工程设计研究院有限公司 | Physical pile group vertical uplift-resisting static load testing system |
CN201687015U (en) * | 2010-02-25 | 2010-12-29 | 中国电力科学研究院 | Pulling resistance testing device |
JP2014088689A (en) * | 2012-10-30 | 2014-05-15 | Ssc Pile Association | Loading test method and loading test device for composite reinforcement ground |
CN105002939A (en) * | 2015-07-29 | 2015-10-28 | 武汉科技大学 | Model device and method for grouped pile field test |
CN206538798U (en) * | 2016-12-19 | 2017-10-03 | 武汉科技大学 | A kind of clump of piles resistance to plucking site-models experimental rig |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110849790A (en) * | 2019-11-25 | 2020-02-28 | 浙江大学 | Constant water head static load pile bearing type roadbed seepage erosion test device |
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