CN101824829A - Suspended layered multi-way shear model box device for underground structure vibration bench test - Google Patents
Suspended layered multi-way shear model box device for underground structure vibration bench test Download PDFInfo
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- CN101824829A CN101824829A CN 201010128793 CN201010128793A CN101824829A CN 101824829 A CN101824829 A CN 101824829A CN 201010128793 CN201010128793 CN 201010128793 CN 201010128793 A CN201010128793 A CN 201010128793A CN 101824829 A CN101824829 A CN 101824829A
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Abstract
The invention relates to a suspended layered multi-way shear model box device for an underground structure vibration bench test, which belongs to the technical field of civil engineering. The device comprises a suspension support and a model box body with the bottom arranged on a vibration bench and the top suspended in the suspension support, and is characterized in that the model box body comprises more than 10 layers of rigid and light-weighted level structures which have random and the same shape and are vertically lined in parallel with equal interval; all the level structures are serially connected by membranes or cables, and the membranes or the cables are suspended on a circular rigid beam frame; the beam frame is erected on the suspension support through more than three groups of universal joints (7) which are uniformly deployed; the lower parts of the membranes or the cables are connected with a rigid bottom plate (5); and the bottom plate (5) is connected with the surface of the vibration bench. The level structures in the device can be manufactured into any plane shape, adapt to single-way and multi-way earthquake input, and can meet the requirements of large vibration bench array complicated earthquake dynamic input.
Description
Technical field
The invention belongs to technical field of civil engineering, relate to a kind of suspended layered multi-way shear model box device that is used for underground structure vibration bench test.
Background technology
Under the situation of practical structure-ground dynamic interaction, ground does not have the border, but in shaketalle test, can only adorn model clay with the model casing of finite size.Like this, because the fluctuation reflection on soil and the tank interface and the difference of soil-model casing system and actual ground vibration shape are brought certain error to result of the test, i.e. " model casing effect ".In order to eliminate the model casing effect, model casing is designed to unidirectional or two-way stratiform shear model box, make model casing can carry out stratiform shear strain under geological process, two-way stratiform shear model box must be reinstalled ball in the chute when the earthquake motion of input other direction.It is moving that these two kinds of model casings all can not be imported multi-dimensional earthquake simultaneously, more is difficult to satisfy the demand of vibration array intricately vibrations input.Though the flexible die molding box can satisfy the requirement of the moving input of multi-dimensional earthquake, can not control lateral rigidity, soil body arching is obvious in the test.
Summary of the invention
The object of the present invention is to provide a kind of suspended layered multi-way shear model box device to be used for underground structure vibration bench test, overcome above-mentioned deficiency.
To achieve these goals, the technical solution used in the present invention is: design a kind of suspended layered multi-way shear model box device that is used for underground structure vibration bench test, being installed on the model casing that vibroplatform, top hang in the suspension holdfast by suspension holdfast and bottom forms, described model casing is made up of the deck structure more than 10 layers and roof beam structure and base plate, deck structure is rigidity and lightweight, its flat shape is any and identical, each deck structure vertically equidistantly is arranged in parallel, by film or rope serial connection, and film or rope hang on the rigidity roof beam structure; On suspension holdfast, every group of universal joint comprises 1-2 universal joint to roof beam structure by the universal joint framves more than even three groups of arranging; The bottom of film or rope is connected with the base plate of rigidity, and base plate and vibration table link together.
Described deck structure is the aluminum alloy frame or the light-gauge steel section framework of plane structure.Wherein aluminum alloy frame can be Aluminum Hollow alloy closed circle.If this Aluminum Hollow alloy closed circle connects with film, can adopt along the form of the even PVC film band of arranging more than six of Aluminum Hollow alloy closed circle; If connect, can adopt the cable wire of evenly arranging along Aluminum Hollow alloy closed circle more than six with rope.
Described annular suspension holdfast can adopt the column of evenly arranging around the model casing more than three, and 1-2 bolt is set on every root post top, and bolt can be regulated vertically, and each fixes a universal joint above the bolt.
The present invention has following beneficial effect and advantage: each face structure component model case layer by layer of film or Suo Tiqi, and the top can slide in the horizontal direction, makes each between the face structure shear strain take place layer by layer.The deck structure of each lightweight and rigidity provides lateral rigidity for device, and film or rope are being mentioned each layer by layer in the face structure, also plays each face structure generation plane torsion metamorphosis layer by layer of control lateral rigidity, restriction.Deck structure in this device can be made into the arbitrary plane shape, is adapted to unidirectional and multidirectional earthquake motion input, and can satisfy the needs of large-scale vibrating array intricately vibrations input.
Description of drawings
Fig. 1 to Fig. 4 is the structural representation of an embodiment that is used for the suspended layered multi-way shear model box device of underground structure vibration bench test, and this embodiment can be used for multidirectional earthquake motion input, wherein:
Fig. 1 is a model casing device vertical view among the embodiment;
Fig. 2 is a model casing device elevation among the embodiment;
Fig. 3 is that column and the universal joint in the support of model casing device among the embodiment arranged schematic diagram;
Fig. 4 is the vertical view that universal joint is arranged among the embodiment.
Among the figure, 1, girder steel, 2, connect steel plate, 3, Height Adjustable bolt, 4, H shaped steel column, 5, base plate, 6, PVC film band, 7, universal joint, 8, supporting steel plate, 9, the aluminium alloys closed frame.
The specific embodiment
Further specify the present invention below in conjunction with accompanying drawing by embodiment.
Deck structure in the present embodiment is the Aluminum Hollow alloy closed frame 9 of annular.As shown in Figure 1,4.2 meters of aluminum alloy frame diameters, 2.3 meters of device height overalls, be applicable to that multidirectional earthquake motion imports simultaneously, the model casing is made up of 19 layers of Aluminum Hollow alloy closed frame 9, bottom Aluminum Hollow alloy closed frame and base plate 5 are connected by bolt, and six PVC film bands by even fixed interval on base plate 5.Two layers and above each layer Aluminum Hollow alloy closed frame 9 by six PVC film bands 6 to down and on be formed by connecting, as shown in Figure 2.The peripheral equidistant six roots of sensation H shaped steel column 4 that is provided with of model casing, as shown in Figure 1, pillar welded top supporting steel plate 8 is provided with H section steel beam 1 as roof beam structure between adjacent each column, and H section steel beam 1 end is by connecting steel plate 2 firm welding.Each is provided with two Height Adjustable bolts 3 above the supporting steel plate 8, universal joint 7 is established on bolt 3 tops, and layout as shown in Figure 4.Six roots of sensation girder steel 1 is placed on the horizontal plane of being made up of 12 universal joints 7 by the hexagonal-shaped frame that connection steel plate 2 is formed by connecting, and hexagonal-shaped frame can be slided to all directions of horizontal plane.19 layers of Aluminum Hollow alloy closed frame 9 are mentioned by six PVC film bands 6, are suspended on the H section steel beam 1 by connecting bolt.
During the analogue formation case, should make each layer aluminium alloys closed frame 9 levels, and guarantee that by regulating bolt 3 12 universal joints 7 are on the same horizontal plane.
During assembling, universal joint 7 is coated with moderate lubrication oil with being connected steel plate 2 places, to reduce universal joint 7 and the friction that is connected between the steel plate 2.
When carrying out shaketalle test, base plate 5 is fixed on the vibroplatform, and earthquake motion can be along any direction input of model casing.
Claims (6)
1. the suspended layered multi-way shear model box device that is used for underground structure vibration bench test, being installed on the model casing that vibroplatform, top hang in the suspension holdfast by suspension holdfast and bottom forms, it is characterized in that: described model casing is made up of the deck structure more than 10 layers and roof beam structure and base plate, deck structure is rigidity and lightweight, its flat shape is any and identical, each deck structure vertically equidistantly is arranged in parallel, and by film or rope serial connection, and film or rope hang on the rigidity roof beam structure; On suspension holdfast, every group of universal joint comprises 1-2 universal joint to roof beam structure by the universal joint framves more than even three groups of arranging; The bottom of film or rope is connected with the base plate of rigidity, and base plate and vibration table link together.
2. the suspended layered multi-way shear model box device that is used for underground structure vibration bench test as claimed in claim 1 is characterized in that: described deck structure is the aluminum alloy frame or the light-gauge steel section framework of plane structure.
3. the suspended layered multi-way shear model box device that is used for underground structure vibration bench test as claimed in claim 2 is characterized in that: described aluminum alloy frame is an Aluminum Hollow alloy closed circle.
4. the suspended layered multi-way shear model box device that is used for underground structure vibration bench test as claimed in claim 3 is characterized in that: the PVC film band six or more of described film for evenly arranging along Aluminum Hollow alloy closed circle.
5. the suspended layered multi-way shear model box device that is used for underground structure vibration bench test as claimed in claim 3 is characterized in that: the cable wire six or more of described rope for evenly arranging along Aluminum Hollow alloy closed circle.
6. as each described suspended layered multi-way shear model box device that is used for underground structure vibration bench test among the claim 1-5, it is characterized in that: the column three or more of described annular suspension holdfast for evenly arranging around the model casing, described universal joint places on the column top by Height Adjustable bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101287937A CN101824829B (en) | 2010-03-22 | 2010-03-22 | Suspended layered multi-way shear model box device for underground structure vibration bench test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101287937A CN101824829B (en) | 2010-03-22 | 2010-03-22 | Suspended layered multi-way shear model box device for underground structure vibration bench test |
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| CN101824829A true CN101824829A (en) | 2010-09-08 |
| CN101824829B CN101824829B (en) | 2012-05-16 |
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| CN2010101287937A Expired - Fee Related CN101824829B (en) | 2010-03-22 | 2010-03-22 | Suspended layered multi-way shear model box device for underground structure vibration bench test |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323138A (en) * | 2011-05-13 | 2012-01-18 | 浙江大学 | Laminar shear box device for supergravity-field vibration table test |
| CN102367674A (en) * | 2011-11-08 | 2012-03-07 | 北京工业大学 | Suspension type multi-dimensional input horizontal multi-directional shearing model casing device |
| CN103063386A (en) * | 2012-12-21 | 2013-04-24 | 北京工业大学 | Device for simulating surface wave function applied to subsurface structure shaking table test |
| CN103792059A (en) * | 2012-10-29 | 2014-05-14 | 同济大学 | Segmented model box by using multiple-point vibration table to simulate non-uniform excitation of underground structure |
| CN103940977A (en) * | 2014-03-27 | 2014-07-23 | 北京工业大学 | Adjustable type stratum vibration shearing model box device for shaking table test |
| CN105738196A (en) * | 2016-04-08 | 2016-07-06 | 中铁西北科学研究院有限公司 | Vertically-loaded multilayer shear model box |
| CN106940235A (en) * | 2017-03-07 | 2017-07-11 | 北京工业大学 | The shake table model clay case experimental rig of fast changeable model casing |
| CN107328645A (en) * | 2017-08-04 | 2017-11-07 | 合肥工业大学 | Thin-walled bar experimental rig and test method |
| CN108279155A (en) * | 2018-01-29 | 2018-07-13 | 东北大学 | A kind of multidirectional loading structure surface intensity measurement device and application method |
| CN112254912A (en) * | 2020-10-24 | 2021-01-22 | 南京工业大学 | Multilayer underground structure anti-seismic push-cover test equipment and pseudo-dynamic loading method |
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| CN2572390Y (en) * | 2002-10-09 | 2003-09-10 | 同济大学 | Frame structure anti-vibration tester |
| CN201173884Y (en) * | 2008-01-17 | 2008-12-31 | 同济大学 | Large-sized laminar shearing mold case device for underground structure jigging platform test |
| CN201413268Y (en) * | 2009-05-26 | 2010-02-24 | 同济大学 | Model test device for simulating coupling between soil sideway and axial load |
| CN201671117U (en) * | 2010-03-22 | 2010-12-15 | 北京工业大学 | Suspended laminar multi-directional shear model box for test on underground-structure shaking table |
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2010
- 2010-03-22 CN CN2010101287937A patent/CN101824829B/en not_active Expired - Fee Related
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| CN201173884Y (en) * | 2008-01-17 | 2008-12-31 | 同济大学 | Large-sized laminar shearing mold case device for underground structure jigging platform test |
| CN201413268Y (en) * | 2009-05-26 | 2010-02-24 | 同济大学 | Model test device for simulating coupling between soil sideway and axial load |
| CN201671117U (en) * | 2010-03-22 | 2010-12-15 | 北京工业大学 | Suspended laminar multi-directional shear model box for test on underground-structure shaking table |
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| 《同济大学学报(自然科学版)》 20020730 伍小平等 振动台试验用层状剪切变形土箱的研制 , 第07期 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323138A (en) * | 2011-05-13 | 2012-01-18 | 浙江大学 | Laminar shear box device for supergravity-field vibration table test |
| CN102367674A (en) * | 2011-11-08 | 2012-03-07 | 北京工业大学 | Suspension type multi-dimensional input horizontal multi-directional shearing model casing device |
| CN102367674B (en) * | 2011-11-08 | 2014-02-12 | 北京工业大学 | Suspension type multi-dimensional input horizontal multi-directional shearing model casing device |
| CN103792059A (en) * | 2012-10-29 | 2014-05-14 | 同济大学 | Segmented model box by using multiple-point vibration table to simulate non-uniform excitation of underground structure |
| CN103063386A (en) * | 2012-12-21 | 2013-04-24 | 北京工业大学 | Device for simulating surface wave function applied to subsurface structure shaking table test |
| CN103940977A (en) * | 2014-03-27 | 2014-07-23 | 北京工业大学 | Adjustable type stratum vibration shearing model box device for shaking table test |
| CN105738196A (en) * | 2016-04-08 | 2016-07-06 | 中铁西北科学研究院有限公司 | Vertically-loaded multilayer shear model box |
| CN106940235A (en) * | 2017-03-07 | 2017-07-11 | 北京工业大学 | The shake table model clay case experimental rig of fast changeable model casing |
| CN107328645A (en) * | 2017-08-04 | 2017-11-07 | 合肥工业大学 | Thin-walled bar experimental rig and test method |
| CN107328645B (en) * | 2017-08-04 | 2019-09-06 | 合肥工业大学 | Thin-walled bar experimental rig and test method |
| CN108279155A (en) * | 2018-01-29 | 2018-07-13 | 东北大学 | A kind of multidirectional loading structure surface intensity measurement device and application method |
| CN112254912A (en) * | 2020-10-24 | 2021-01-22 | 南京工业大学 | Multilayer underground structure anti-seismic push-cover test equipment and pseudo-dynamic loading method |
| CN112254912B (en) * | 2020-10-24 | 2021-07-13 | 南京工业大学 | Multilayer underground structure anti-seismic push-cover test equipment and pseudo-dynamic loading method |
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| Publication number | Publication date |
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| CN101824829B (en) | 2012-05-16 |
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Granted publication date: 20120516 Termination date: 20130322 |