CN102720219B - Model pile in shear structure for model testing - Google Patents
Model pile in shear structure for model testing Download PDFInfo
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- CN102720219B CN102720219B CN201210196990.1A CN201210196990A CN102720219B CN 102720219 B CN102720219 B CN 102720219B CN 201210196990 A CN201210196990 A CN 201210196990A CN 102720219 B CN102720219 B CN 102720219B
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000007596 consolidation process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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Abstract
A model pile in shear structure for model testing is formed by a plurality of shear structure modules which are sequentially meshed. The cross section of each shear structure module is mainly H-shaped. Two ends of the lower transverse edge of the H shape are respectively downwardly connected with a vertical edge, and one end of each vertical edge is provided with an inward transverse retainer. The length of the upper transverse edge of the H shape is equal to the distance between the two vertical edges. The upper transverse edges of the shear structure modules are inserted between the two vertical edges of two adjacent modules and to be meshed. According research needs, the modules different in size can be selected to be connected in any length to form a plurality of pile structures capable of forming shear damaging surfaces, and the pile structures can be adhered to form serialized model piles different in strength by selecting proper adhesives, the strength proportion of the piles can be optionally adjusted in testing, simulation of a shear damaging mode can be realized, and reinforcing effect of the different piles can be researched.
Description
Technical field
The present invention relates to the pile foundation model testing technical field in side slope and ground in the engineerings such as building water conservancy, be specifically related to a kind of shear constitution Model Pile for model testing.
Background technology
Pile foundation is to be widely applied in the engineering such as building, water conservancy.In recent years antislide pile as a kind of conventional reinforcement means in actual landslide control, brought into play important function (Xiong Chaohui. dark Shan speedway 101 Harnessing of Landslide new technology-garden anchorage sliding pile open cut tunnels [J]. Chinese Journal of Rock Mechanics and Engineering, 2001,20 (4): 532 – 537.; Liu Xinrong, Liang Ninghui, gold state, etc. progress and the application [J] of antislide pile in slope project. Chinese Geological Disasters and control journal, 2006,17 (1): 56 – 62.).At present, obtained many progress at aspects such as the design and calculation methods of antislide pile reinforcing side slope, but still lack can reasonable consideration antislide pile reinforcement mechanism assay method.Be necessary to further investigate the deformation and failure mechanism of antislide pile reinforcing side slope under different loading conditions, disclose interaction mechanism and the rule of antislide pile and its surrounding soil.Centrifugal model test is one of important research means of geotechnical engineering, at home and abroad be widely adopted, as BRANDENBERG S J, BOULANGER R W, KUTTER B L, et al.Behavior of pile foundations in laterally spreading ground during centrifuge tests[J] .Journal of Geotechnical and Geoenvironmental Engineering, 2005, 131 (11): 1378 – 1391., ABDOUN T, DOBRY R, O ' ROURKE T D, et al.Pile response to lateral spreads:centrifuge modeling[J] .Journal of Geotechnical and Geoenvironmental Engineering, 2003, 129 (10): 869-878. and Yu Yuzhen, Deng Lijun. antislide pile reinforcing side slope seismic response centrifugal model test [J]. geotechnical engineering journal, 2007, 29 (9): 1320 – 1323..The feasible simulation of antislide pile in centrifugal model test is an important problem, especially reproducing the aspects such as the different failure modes of reinforced soil slopes and the selection of reinforcement material, need to carry out abstraction and then promote the research to reinforced soil slopes failure mechanism, for the consolidation effect of rational evaluation antislide pile provides basis.
For antislide pile, bear in the process of all kinds of loads in side slope, mainly bring into play tension and shear strength, provide drag to side slope, stop the generation of slip-crack surface, the pattern that ruggedized construction occurs to destroy is mainly that tension is destroyed and shearing resistance destroys.The selection of existing Model Pile mostly is certain definite homogeneous material, and such as various metals etc., the tension of these materials and shear strength are generally all fixed, and under definite side slope condition, its failure mode is also certain.The selection of existing Model Pile cannot comprehensively reflect impact, especially the shear failure pattern of all kinds of intensity on its failure mode of stake, is difficult to consolidation effect carry out thoroughly evaluating and then realize ruggedized construction is better selected.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of shear constitution Model Pile for model testing, can implementation model the simulation of the shear failure pattern of the varying strength of Model Pile in test; Principle is simple, and it is convenient to control; Cost is low; Can promote the research of Novel pile.
To achieve these goals, the technical solution used in the present invention is:
A kind of shear constitution Model Pile for model testing, by multiple shear constitution modules 1 in turn interlock form, the cross section of each shear constitution module 1 is shaped as main body with I-shaped, lower horizontal edge 2 two ends in I-shaped shape connect respectively vertical edge 4 downwards, the termination of each vertical edge 4 is all with inside horizontal barrier 3, the length of the upper horizontal edge 5 in I-shaped shape is consistent with the spacing of two vertical edges 4, and the upper horizontal edge 5 of shear constitution module 1 is inserted between two vertical edges 4 of adjacent block and realizes interlock.
After realizing interlock, between upper horizontal edge 5 and the lower horizontal edge 2 of adjacent block, be provided with cylindrical roller 6, the length direction of cylindrical roller 6 is vertical with upper horizontal edge 5 length directions, between two horizontal barriers 3 of upper horizontal edge 5 and adjacent block, ball roller bearing 7 is all set, the contact surface between adjacent block is bonding with glue.
Compared with prior art, the present invention by the module of certain length of side (as 1cm) by structure interlock and bonding forming, can need to select different block sizes according to research, connect aluminium block to random length, form the pilework that there are several and can occur shear breakage.Between each block of the present invention, undertaken bonding by glue, adopt different bonding thickness and adhesives can reach different intensity, make Model Pile there is different shear strengths, select suitable adhesives to form the seriation Model Pile with varying strength, the intensity of stake be can adjust arbitrarily in test, the simulation of shear failure pattern and the consolidation effect of research piles with different realized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is cylindrical roller 6 structural representations of the present invention.
Fig. 3 is Fig. 2 left view.
Fig. 4 is ball roller bearing 7 frame structure schematic diagrames of the present invention.
Fig. 5 is that ball roller bearing 7 of the present invention is loaded onto ball structural representation afterwards.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further details.
As shown in Figure 1, the present invention is a kind of shear constitution Model Pile for model testing, by multiple shear constitution modules 1 in turn interlock form, each shear constitution module 1 material is aluminium, package size is determined as required.The cross section of shear constitution module 1 is shaped as main body with I-shaped, lower horizontal edge 2 two ends in I-shaped shape connect respectively vertical edge 4 downwards, the termination of each vertical edge 4 is all with inside horizontal barrier 3, the length of the upper horizontal edge 5 in I-shaped shape is consistent with the spacing of two vertical edges 4, the upper horizontal edge 5 of shear constitution module 1 is inserted between two vertical edges 4 of adjacent block and realizes interlock, after realizing interlock, between upper horizontal edge 5 and the lower horizontal edge 2 of adjacent block, be provided with the cylindrical roller 6 vertical with upper horizontal edge 5 length directions, between two horizontal barriers 3 of upper horizontal edge 5 and adjacent block, ball roller bearing 7 is all set.
The structure of cylindrical roller 6 as shown in Figures 2 and 3, is on cuboid 61, be arranged cylinder 62 in parallel and form, and wherein cylinder 62 can roll.
The structure of ball roller bearing 7 as shown in Figure 4 and Figure 5, is on rectangular 71, to output some spherical pores 72, then forms at the interior installation ball 73 of spherical pore 72, and wherein ball 73 can be in the interior rolling of spherical pore 72.
Each space is filled up rear structure by roller bearing and will substantially can not be occured bending and deformation, and can only relatively move along roller bearing direction, contact surface between adjacent block is bonding with glue, make structure there is certain shear strength, in test, the different glue of main employing carries out bonding, in test, when stake reaches after shear strength, will, along bonding plane generation slippage, form the shear failure pattern of stake.
Because the shape of each module is identical, therefore link block, to random length, forms the pilework that has several and can occur shear breakage as required.
Claims (3)
1. the shear constitution Model Pile for model testing, by multiple shear constitution modules (1) interlock formation in turn, it is characterized in that, the cross section of each shear constitution module (1) is shaped as main body with I-shaped, lower horizontal edge (2) two ends in I-shaped shape connect respectively vertical edge (4) downwards, the termination of each vertical edge (4) is all with inside horizontal barrier (3), the length of the upper horizontal edge (5) in I-shaped shape is consistent with the spacing of two vertical edges (4), the upper horizontal edge (5) of shear constitution module (1) is inserted between two vertical edges (4) of adjacent block and realizes interlock.
2. shear constitution Model Pile according to claim 1, is characterized in that, after realizing interlock, between two horizontal barriers (3) of upper horizontal edge (5) and adjacent block, ball roller bearing (7) is all set.
3. shear constitution Model Pile according to claim 1, is characterized in that, after realizing interlock, the contact surface between adjacent block is bonding with glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196990.1A CN102720219B (en) | 2012-06-14 | 2012-06-14 | Model pile in shear structure for model testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196990.1A CN102720219B (en) | 2012-06-14 | 2012-06-14 | Model pile in shear structure for model testing |
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| Publication Number | Publication Date |
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| CN102720219A CN102720219A (en) | 2012-10-10 |
| CN102720219B true CN102720219B (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210196990.1A Expired - Fee Related CN102720219B (en) | 2012-06-14 | 2012-06-14 | Model pile in shear structure for model testing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109187229B (en) * | 2018-10-31 | 2023-07-21 | 华北理工大学 | Stud pull shear test device and test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261449Y (en) * | 1995-04-28 | 1997-09-03 | 北京海淀路通铁路新技术联合开发公司 | Testing apparatus for static load of pile foundation |
| CN2905910Y (en) * | 2005-09-01 | 2007-05-30 | 赵海生 | Counterforce device for use in pile foundation static loading test |
| WO2009131397A2 (en) * | 2008-04-24 | 2009-10-29 | Paik Kyu Ho | Vertical load-carrying test apparatus for piles which has a removable loading apparatus, and a vertical load-carrying test method using the same |
| CN201459774U (en) * | 2009-07-20 | 2010-05-12 | 山西六建集团有限公司 | Pile head protector for static load test of prestressed concrete pipe pile |
| 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 |
-
2012
- 2012-06-14 CN CN201210196990.1A patent/CN102720219B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261449Y (en) * | 1995-04-28 | 1997-09-03 | 北京海淀路通铁路新技术联合开发公司 | Testing apparatus for static load of pile foundation |
| CN2905910Y (en) * | 2005-09-01 | 2007-05-30 | 赵海生 | Counterforce device for use in pile foundation static loading test |
| WO2009131397A2 (en) * | 2008-04-24 | 2009-10-29 | Paik Kyu Ho | Vertical load-carrying test apparatus for piles which has a removable loading apparatus, and a vertical load-carrying test method using the same |
| CN201459774U (en) * | 2009-07-20 | 2010-05-12 | 山西六建集团有限公司 | Pile head protector for static load test of prestressed concrete pipe pile |
| 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 |
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| Publication number | Publication date |
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| CN102720219A (en) | 2012-10-10 |
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