CN101024986A - Storied-building board energy-eliminating shock-insulating structure - Google Patents
Storied-building board energy-eliminating shock-insulating structure Download PDFInfo
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- CN101024986A CN101024986A CN 200710026841 CN200710026841A CN101024986A CN 101024986 A CN101024986 A CN 101024986A CN 200710026841 CN200710026841 CN 200710026841 CN 200710026841 A CN200710026841 A CN 200710026841A CN 101024986 A CN101024986 A CN 101024986A
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Abstract
The invention discloses a floorslab energy eliminating vibration isolating structure, comprising floorslab and vertical and horizontal weight bearing components of main structure, characterized in that: an damping vibration isolating layer is arranged between the floorslab and the horizontal weight bearing component and air gaps are arranged between the floorslab and the vertical weight bearing component, where the damping vibration isolating layer is composed of low-hardness, high-damping rubber arranged between the upper and lower connecting plates, and interconnected with the horizontal weight bearing component and the floorslab. And the invention takes energy elimination as the principal thing, and has a certain vibration isolating function, and has advantages of simple and convenient to construct, high energy eliminating efficiency, and occupying no building space. And the invention can be used to reduce horizontal and vertical vibrations.
Description
Technical field
The present invention relates to a kind of building structure, be specifically related to the energy-eliminating shock-insulating structure between a kind of floor and vertical supporting member and the horizontal supporting member.
Background technology
Earthquake is a kind of sudden, destructive natural calamity.When earthquake took place, ground vibration caused the earthquake response of structure.Be consolidated in the building structure on ground for the basis, especially as " amplifier " of the reaction of surface seismic, the earthquake response of works is along successively amplifying highly from top to bottom, light then make architectural coating, the non-structure accessory of finishing and indoor expensive instrument and equipment destroy or produce other secondary disaster, heavy then make the heavy damage of main body load-carrying members, even collapse.
Traditional anti-shock methods that generally adopt present China and countries in the world is the rigidity of suitable control structure thing, but make structure member (as beam, post, wall, node etc.) when earthquake, enter inelastic state, and has bigger ductility, with earthquake energy, alleviate earthquake response, make works " split and do not fall ".This method is that effectively its design principles is " little shake is not bad, and design intensity can be repaiied, no collapsing with strong earthquake " under many circumstances.But because the randomness of earthquake, traditional anti-shock methods is difficult to control the damaged degree of building structure and the possibility of collapsing; Resist geological process with structural element self, not only be difficult to guarantee safety, also improve " antidetonation " required cost greatly.
The structure control technology is that theory and application achievements that other field (as the machine vibration isolation, equipment and instrument damping weakening, the automatic control of space flight and aviation etc.) has been obtained are applied on the engineering structures audaciously.Structure control can be divided into ACTIVE CONTROL, Passive Control, half ACTIVE CONTROL and mix control by the information that whether needs external energy excitation and structural response.Passive Control has advantages such as the external energy of need not control, safe and reliable, good endurance, maintenance cost is low, uses at most in building structure at present.Passive Control is divided into shock insulation, energy-dissipating and shock-absorbing, mass tuning damping three major types again, and wherein seismic isolation technology is the most ripe, most widely used, and energy-dissipating and shock-absorbing takes second place.
Shock insulation is at the end face of basic end face or certain layer of post all posts and body of wall to be blocked, be provided with by rubber pad, slide plate, energy dissipating damper (as notice of authorization number be: the CN2727279Y utility model patent) etc. the shock insulation floor of forming, as shown in Figure 1.During earthquake, intercept the transmission of vibrations, distortion is concentrated occur in shock insulation layer 1, translation of rigid body takes place in 2 in the house of shock insulation layer more than 1, and the deformation of member of agent structure reduces greatly; Because the horizontal rigidity of shock insulation layer 1 is very little, increased the natural vibration period of structure simultaneously, geological process reduces; Two kinds of factor actings in conjunction significantly reduce the earthquake response in house.The isolation structure great majority are that the shock insulation layer is located at (referring to Fig. 1) between basis and the agent structure at present, it is used and constantly enlarges, but owing to this method separates basis and agent structure or agent structure is separated up and down, so its scope of application is subjected to certain restriction.China seismic design provision in building code regulation, isolation structure are applicable to that structure build primitive rule, structure basic cycle are less than houses such as 1 second multi-story masonry and reinforced concrete frames.
As shown in Figure 2, energy-dissipating and shock-absorbing is that some nonload bearing element (as support, shear wall etc.) of bar structure thing is designed to the energy dissipating rod member, perhaps installs energy dissipating damper at some position of works.Under macroseism, these energy dissipating rod members or energy dissipating damper rate are introduced into inelastic state, produce big damping, a large amount of seismic energies that consume input structure, thereby make agent structure avoid entering tangible inelastic state and the earthquake response of decaying rapidly, thereby keep agent structure under earthquake, to exempt from damage.The energy-dissipating and shock-absorbing structure also is difficult to large-scale popularization application in actual engineering at present, main cause is that existing energy dissipating damper generally all will rely on the stratified deformation of house under horizontal earthquake to come work, the house has produced stratified deformation, and the energy dissipating damper just enters the duty energy dissipating that disappears.When relative storey displacement was big inadequately, the effect of energy dissipation of energy dissipating damper was just poor; The house stratified deformation is big more, and energy dissipating damper effect of energy dissipation is good more.But when relative storey displacement had preferably effect of energy dissipation even as big as making the energy dissipating damper, building structure had often entered the plastic strain stage.Therefore, reach reasonable effect of energy dissipation, a lot of energy dissipating damper of quantity will be set in house structural system, it is more that cost of a building is increased.In addition, mostly existing energy dissipation component is to adopt the form of energy dissipating support or energy dissipating shear wall, has taken bigger architectural space, makes the not very willing employing energy-dissipating and shock-absorbing of owner technology.
Summary of the invention
The purpose of this invention is to provide the energy-eliminating shock-insulating structure between a kind of floor and the agent structure (as frame beam column, framework-shear wall, cylindrical shell etc.), this structure is based on energy dissipating, have certain shock insulation function concurrently, have energy dissipating efficient height, easy construction, do not take the advantage of architectural space.
The present invention realizes that the technical solution of above-mentioned purpose is:
A kind of storied-building board energy-eliminating shock-insulating structure comprises the vertical supporting member of floor and agent structure, horizontal supporting member, it is characterized in that being provided with between floor and the horizontal supporting member damping shock insulation layer, is provided with the space between floor and the vertical supporting member; Wherein said damping shock insulation layer is the soft high-damping rubber to be set constitute between last lower connecting plate, and connects to one with horizontal supporting member and floor.
Storied-building board energy-eliminating shock-insulating structure of the present invention, wherein the connecting portion of floor and horizontal supporting member and damping shock insulation layer is equipped with connector, by this connector horizontal supporting member, floor and damping shock insulation layer is connected to one.
Storied-building board energy-eliminating shock-insulating structure of the present invention wherein between floor and the vertical supporting member in the set space, can be provided with flexible materials such as the energy dissipating damper made by shape-memory alloy wire or filled bitumen flax silk, with further enhancing effect of energy dissipation.
Storied-building board energy-eliminating shock-insulating structure of the present invention wherein is equipped with the cast-in-situ steel reinforced concrete layer on the floor.
Storied-building board energy-eliminating shock-insulating structure of the present invention, wherein said vertical supporting member are post, shear wall or the cylindrical shell that surrounded by shear wall; Wherein said horizontal supporting member is the girder that is connected with vertical supporting member and is crossed on secondary beam between the girder, or the truss or the rack that are connected with vertical supporting member.
Storied-building board energy-eliminating shock-insulating structure of the present invention, wherein the soft high-damping rubber can be viscoelastic soft high-damping rubber (G4) or ZN-22 type viscoelastic material, also can be other character similar material; Last lower connecting plate can be common steel plate or other character similar material.
Storied-building board energy-eliminating shock-insulating structure of the present invention, wherein the energy dissipating damper can be that publication number is that CN2554423 and notification number are the patented product of CN1050884C, CN1186507C, preferably the patented product of CN1186507C.
Storied-building board energy-eliminating shock-insulating structure of the present invention, wherein connector is building built-in fitting commonly used, is made of pre-embedded steel slab with installing hole and the dowel that is welded on the steel plate.Wherein pre-embedded steel slab is located at the surface of horizontal supporting member, floor respectively, and dowel is located at respectively in the body of the two.
Storied-building board energy-eliminating shock-insulating structure of the present invention, its construction sequence is as follows:
A, the connector that will be welded with dowel place framed, and the construction agent structure comprises basis, post, shear wall, cylindrical shell, beam or truss or rack;
B, with the soft high-damping rubber high temperature vulcanized under connect between the steel plate and to form damping shock insulation layer, damping shock insulation layer is fixed on the connector of beam or truss or rack with bolt again;
C, with the precast floor slab hoisting and locating on damping shock insulation layer, damping shock insulation layer is connected with connector between the precast floor slab, and guarantees that floor side and end face vertically have enough horizontal movement gaps between the supporting member with post, shear wall or cylindrical shell etc.
In order further to improve the energy-eliminating shock-insulating effect of storied-building board energy-eliminating shock-insulating structure of the present invention, also can carry out following construction sequence continuously:
In d, the space between precast floor slab side and end face and post, shear wall and the vertical supporting members such as cylindrical shell that surround by shear wall flexible materials such as energy dissipating damper or filled bitumen/flax silk are installed;
E, at the end face cast-in-situ steel reinforced concrete layer of precast floor slab, guarantee the rigidity and the globality of floor;
F, the space capping of energy dissipating damper or filling flexible material will be installed with sealing of making of flexible material.
The present invention can also be used for steel work and combining structure.When vertical and horizontal supporting member was the steel member, the connection steel plate of damping shock insulation layer can directly weld with floor and horizontal supporting member respectively, and the energy dissipating damper can directly be connected with vertical supporting member with floor respectively with bolt.
The present invention has following advantage and beneficial effect than prior art:
When 1) earthquake or ambient vibration taking place, vibrational energy waits vertical member by basis, post (or shear wall, cylindrical shell), passes to beam horizontal supporting members such as (or truss), decays through the energy-eliminating shock-insulating after vibration of energy-eliminating shock-insulating structure, passes to floor again.Therefore, the vibration that is subjected to such as people, equipment reduces greatly.
When 2) earthquake or ambient vibration taking place, the energy-eliminating shock-insulating structure of underfloor consumes most of energy, makes the vibration of the agent structure decay that is swift in response, and has protected the supporting members such as beam column of agent structure.
3) because floor and agent structure isolation, therefore the vertical pressure of described energy-eliminating shock-insulating structure only is the load of one deck flooring, the amplitude of horizontal movement is smaller, has avoided big, the big a series of problems brought of horizontal movement of base isolation structure system shock insulation pad vertical pressure.
4) when less displacement takes place agent structure, storied-building board energy-eliminating shock-insulating structure just can enter the power consumption state, the shortcoming of having avoided existing energy-dissipating and shock-absorbing system when displacement greatly takes place structure, just can work, and do not take usage space substantially.
5) flexible arrangement can every layer of floor of arranging or being arranged in that vibration is bigger, also can arrange according to the result of computational analysis and optimization.
6) the energy dissipating damper that is installed in the space between the vertical supporting member such as floor and post, shear wall, cylindrical shell can increase the initial stiffness of structure, and strengthens the ability of earthquake energy, especially at rare damping effect of meeting under the earthquake intensity earthquake.
Description of drawings
Fig. 1 is existing shock insulation building structure schematic diagram, Fig. 1 (a) base isolation structure schematic diagram wherein, and Fig. 1 (b) is an intermediate layer isolation structure schematic diagram;
Fig. 2 is existing energy-dissipating and shock-absorbing building structure schematic diagram;
The schematic diagram that Fig. 3 uses in frame construction for storied-building board energy-eliminating shock-insulating structure of the present invention;
Fig. 4 is partial structurtes schematic diagram (overlooking) around the concrete column 2 among demonstration Fig. 3;
Fig. 5 is the A-A part section enlarged drawing of Fig. 4;
Fig. 6～8 are building process schematic diagram embodiment illustrated in fig. 3;
The schematic diagram that Fig. 9 uses in framework-shear wall (cylindrical shell) structure for storied-building board energy-eliminating shock-insulating structure of the present invention;
Figure 10 is the partial structurtes schematic diagram (overlooking) on every side of shear wall 2a (cylindrical shell 10) among Fig. 9;
Figure 11 is the A-A part section enlarged drawing of Figure 10;
Figure 12 is the B-B part section enlarged drawing of Figure 10;
Figure 13 is not for establishing the structural representation (sectional drawing) of energy dissipating damper in the space between floor and the vertical supporting member;
Figure 14 is the structural representation (sectional drawing) of filled bitumen flax silk in the space between floor and the vertical supporting member.
The specific embodiment
Introduce storied-building board energy-eliminating shock-insulating structure of the present invention and specific implementation method thereof in detail below in conjunction with embodiment and accompanying drawing.
Example 1
Referring to Fig. 3, Fig. 4 and Fig. 5, present embodiment is the energy-eliminating shock-insulating structure between a kind of floor and the rc-frame-beam post, this energy-eliminating shock-insulating structure is to constitute like this: concrete beam 1 and post 2 are formed frame construction, be provided with damping shock insulation layer 4 between floor 3 and the concrete beam 1, be provided with energy dissipating damper 5 between the end face of floor 3 and the concrete column 2.Wherein, concrete beam 1, floor 3 are equipped with connector 6 with the bond sites of damping shock insulation layer 4, by these connector 6 usefulness bolts 7 concrete beam 1, floor 3 and damping shock insulation layer 4 three are connected to one; The bond sites of concrete column 2 and floor 3 end faces also is provided with connector 6, and described energy dissipating damper 5 is attached on the connector 6 concrete column 2 and floor 3 are linked into an integrated entity.Damping shock insulation layer 4 described in this example is that soft high-damping rubber (G4)/sheet pack floor height temperature sulfuration that Hetai Vibration Isolation Equipment Co., Ltd., Shantou produces forms and is fixed on and connects up and down between steel plate 4-1 and the 4-2; Employed energy dissipating damper 5 is that notification number is the patented product of CN1186507C; Employed connector 6 is a known technology, is made of steel plate with connection screw and the dowel on the welding steel.
Present embodiment can follow these steps to make up:
1. referring to Fig. 6, the connector 6 that is welded with dowel is placed framed, build up concrete beam 1 and post 2 is formed frame constructions.
2. referring to Fig. 7, at plant produced soft high-damping rubber damping shock insulation layer 4, the following connection steel plate 4-2 of damping shock insulation layer 4 is fixed on the connector 6 of concrete beam 1 in advance with bolt 7.
3. behind floor 3 hoisted in position, with bolt 7 energy dissipating damper 5 is fixed in the space between floor 3 end faces and the concrete column 2 earlier, again with bolt 7 be connected on floor 3 and the damping shock insulation layer 4 steel plate 4-1 stubborn solid together.
4. with the screed hacking of floor 3 end faces and clean up, put the steel mesh reinforcement that one deck two way system all is not less than φ 6@200, the pea gravel concreten layer 8 of cast-in-place thick about 4cm then is with the globality and the rigidity of further raising floor 3.This step finish after effect see Fig. 8.
5. seal in the capping of making of flexible material 9 space that energy dissipating damper 5 will be installed.
Example 2
Referring to Fig. 9, Figure 10, Figure 11 and Figure 12, present embodiment is the energy-eliminating shock-insulating structure between a kind of floor and rc-frame-beam post and the shear wall, this energy-eliminating shock-insulating structure is to constitute like this: concrete beam 1, post 2 and the cylindrical shell that is surrounded by shear wall 2a and the concrete secondary beam 1 ' that is connected across between two concrete beam 1 are formed agent structure, floor 3 and concrete beam 1 and secondary beam 1 ' between be equipped with damping shock insulation layer 4, be equipped with energy dissipating damper 5 between the end face of floor 3 and concrete column 2 and the shear wall 2a.Wherein, concrete secondary beam 1 ', floor 3 are equipped with connector 6 with the bond sites of damping shock insulation layer 4, by these connector 6 usefulness bolts 7 concrete beam 1 ', floor 3 and damping shock insulation layer 4 three are connected to one; In the concrete column 2, shear wall 2a body and the bond sites of floor 3 end faces also be provided with connector 6, with bolt 7 described energy dissipating damper 5 is attached on the connector 6, concrete column 2, shear wall 2a and floor 3 are linked into an integrated entity.Damping shock insulation layer 4, energy dissipating damper 5 and connector 6 in this example are all identical with example 1.
Referring to Figure 11 and Figure 12, be cast with microlith reinforced concrete floor 8 on the floor 3; The space 13 that energy dissipating damper 5 is installed is provided with the capping of making of flexible material 9.
But the construction process reference example 1 of the described energy-dissipating and shock-absorbing structure of present embodiment is implemented, and different is that energy dissipating damper 5 between floor 3 end faces and concrete column 2 and the shear wall 2a is installed in step 3 simultaneously.
Example 3
Referring to Figure 13, in the described specific embodiments of example 1 (or example 2), also can only leave space 13 between floor 3 and the vertical supporting member (post 2 or shear wall 2a), make floor 3 isolated fully with vertical supporting member.If this floor does not live the people, described space 13 does not need to seal yet.But other structure reference example 1 of present embodiment or example 2 are implemented.
Example 4
Referring to Figure 14, in the described specific embodiments of example 1 (or example 2), be filled with pitch flax silk 5 ' or similar flexible material in the space 13 between floor 3 and the vertical supporting member (post 2 or shear wall 2a).If this floor lives in the people, can seal with the capping 9 that flexible material is made on the described space 13.But other structure reference example 1 of present embodiment or example 2 are implemented.
Claims (4)
1, a kind of storied-building board energy-eliminating shock-insulating structure, the vertical supporting member (2 or 2a), the horizontal supporting member (1 or 1 ') that comprise floor (3) and agent structure, it is characterized in that being provided with damping shock insulation layer (4) between floor (3) and the horizontal supporting member (1 or 1 '), floor (3) and vertical supporting member are provided with space (13) between (2 or 2a); Wherein said damping shock insulation layer (4) is soft high-damping rubber (4-3) to be set constitute between last lower connecting plate (4-1,4-2), and connects to one with horizontal supporting member (1 or 1 ') and floor (3) three.
2, a kind of storied-building board energy-eliminating shock-insulating structure according to claim 1, it is characterized in that wherein the connecting portion of floor (3) and horizontal supporting member (1 or 1 ') and damping shock insulation layer (4) is equipped with connector (6), horizontal supporting member (1 or 1 '), floor (3) and damping shock insulation layer (4) are connected to one by this connector (6).
3, a kind of storied-building board energy-eliminating shock-insulating structure according to claim 1 and 2 is characterized in that being provided with energy dissipating damper (5) in the space (13) set between floor (3) wherein and the vertical supporting member (2,2a or 10) or is filled with flexible material (5 ') such as pitch flax silk.
4, a kind of storied-building board energy-eliminating shock-insulating structure according to claim 1 and 2 is characterized in that wherein being equipped with cast-in-situ steel reinforced concrete layer (8) on the floor (3).
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| CNB200710026841XA CN100547187C (en) | 2007-02-08 | 2007-02-08 | A kind of storied-building board energy-eliminating shock-insulating structure |
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| CNB200710026841XA CN100547187C (en) | 2007-02-08 | 2007-02-08 | A kind of storied-building board energy-eliminating shock-insulating structure |
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| CN102182256A (en) * | 2011-03-16 | 2011-09-14 | 上海英谷桥梁科技有限公司 | High-damping rubber fluid viscoelastic damper and manufacturing method thereof |
| CN101718113B (en) * | 2009-11-11 | 2011-12-28 | 北京航空航天大学 | Method for making shock-resistant and energy-dissipating framework by mixing resin concrete and reinforced concrete |
| CN103603437A (en) * | 2013-11-15 | 2014-02-26 | 同济大学 | Energy dissipation and seismic reduction floor |
| CN103866875A (en) * | 2014-03-26 | 2014-06-18 | 黑龙江农垦建工有限公司 | Building shock absorption structure |
| CN103374987B (en) * | 2013-07-25 | 2016-03-23 | 苏州金螳螂建筑装饰股份有限公司 | Complete floating builds formula sound insulation vibration isolation floor slab |
| CN105569209A (en) * | 2015-06-05 | 2016-05-11 | 中建四局第一建筑工程有限公司 | Method for damping and energy dissipation of high-rise housing energy dissipation wall, and device thereof |
| CN106760100A (en) * | 2016-12-26 | 2017-05-31 | 中国电子工程设计院 | A kind of floor system framework and floor system |
| CN106930416A (en) * | 2017-02-28 | 2017-07-07 | 浙江科技学院 | The connecting node of replaceable coupling beam Coupled Shear Wall and floor |
| CN107060126A (en) * | 2017-04-26 | 2017-08-18 | 华侨大学 | It is a kind of that the system for carrying out structural damping is slid using floor |
| CN107130701A (en) * | 2017-06-15 | 2017-09-05 | 浙江科技学院 | Based on the earthquake-resistant building structure and construction method of function Coupled Shear Wall can be recovered |
| CN107989183A (en) * | 2017-11-13 | 2018-05-04 | 中建二局第建筑工程有限公司 | A kind of adaptive intelligent reinforced concrete frame structure of energy consumption mechanism |
| CN109339321A (en) * | 2018-10-10 | 2019-02-15 | 河北水利电力学院 | A kind of damping standard prefabricated well format floor construction system convenient for construction |
| CN110242089A (en) * | 2019-05-31 | 2019-09-17 | 杨维国 | A kind of isolation mounting and vibration isolating method suitable for vertical motion caused by rail traffic |
| CN111576656A (en) * | 2019-02-19 | 2020-08-25 | 黑龙江八一农垦大学 | Beam-slab separation type layered shock insulation structure |
| CN111648464A (en) * | 2020-05-27 | 2020-09-11 | 查晓雄 | Plate-structure prefabricated house utilizing corner parts for connecting force transmission and energy consumption |
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- 2007-02-08 CN CNB200710026841XA patent/CN100547187C/en not_active Expired - Fee Related
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| CN101718113B (en) * | 2009-11-11 | 2011-12-28 | 北京航空航天大学 | Method for making shock-resistant and energy-dissipating framework by mixing resin concrete and reinforced concrete |
| CN102182256A (en) * | 2011-03-16 | 2011-09-14 | 上海英谷桥梁科技有限公司 | High-damping rubber fluid viscoelastic damper and manufacturing method thereof |
| CN102182256B (en) * | 2011-03-16 | 2012-12-19 | 上海英谷桥梁科技有限公司 | High-damping rubber fluid viscoelastic damper and manufacturing method thereof |
| CN103374987B (en) * | 2013-07-25 | 2016-03-23 | 苏州金螳螂建筑装饰股份有限公司 | Complete floating builds formula sound insulation vibration isolation floor slab |
| CN103603437A (en) * | 2013-11-15 | 2014-02-26 | 同济大学 | Energy dissipation and seismic reduction floor |
| CN103603437B (en) * | 2013-11-15 | 2015-09-16 | 同济大学 | Energy-dissipating and shock-absorbing floor |
| CN103866875A (en) * | 2014-03-26 | 2014-06-18 | 黑龙江农垦建工有限公司 | Building shock absorption structure |
| CN103866875B (en) * | 2014-03-26 | 2016-01-20 | 黑龙江农垦建工有限公司 | A kind of building body shock-damping structure |
| CN105569209A (en) * | 2015-06-05 | 2016-05-11 | 中建四局第一建筑工程有限公司 | Method for damping and energy dissipation of high-rise housing energy dissipation wall, and device thereof |
| CN106760100A (en) * | 2016-12-26 | 2017-05-31 | 中国电子工程设计院 | A kind of floor system framework and floor system |
| CN106930416A (en) * | 2017-02-28 | 2017-07-07 | 浙江科技学院 | The connecting node of replaceable coupling beam Coupled Shear Wall and floor |
| CN107060126A (en) * | 2017-04-26 | 2017-08-18 | 华侨大学 | It is a kind of that the system for carrying out structural damping is slid using floor |
| CN107130701A (en) * | 2017-06-15 | 2017-09-05 | 浙江科技学院 | Based on the earthquake-resistant building structure and construction method of function Coupled Shear Wall can be recovered |
| CN107989183A (en) * | 2017-11-13 | 2018-05-04 | 中建二局第建筑工程有限公司 | A kind of adaptive intelligent reinforced concrete frame structure of energy consumption mechanism |
| CN109339321A (en) * | 2018-10-10 | 2019-02-15 | 河北水利电力学院 | A kind of damping standard prefabricated well format floor construction system convenient for construction |
| CN111576656A (en) * | 2019-02-19 | 2020-08-25 | 黑龙江八一农垦大学 | Beam-slab separation type layered shock insulation structure |
| CN110242089A (en) * | 2019-05-31 | 2019-09-17 | 杨维国 | A kind of isolation mounting and vibration isolating method suitable for vertical motion caused by rail traffic |
| CN111648464A (en) * | 2020-05-27 | 2020-09-11 | 查晓雄 | Plate-structure prefabricated house utilizing corner parts for connecting force transmission and energy consumption |
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