CN109898705B - Damping grounding type assembled steel plate combined frequency modulation damping wall - Google Patents
Damping grounding type assembled steel plate combined frequency modulation damping wall Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 223
- 239000010959 steel Substances 0.000 title claims abstract description 223
- 238000013016 damping Methods 0.000 title claims abstract description 59
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 239000006096 absorbing agent Substances 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 40
- 239000002131 composite material Substances 0.000 claims description 32
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Abstract
The invention relates to a damping grounding type assembled steel plate combined frequency modulation shock absorption wall which comprises a structural column, a structural beam, a steel plate combined wall, an upper connecting node, a horizontal spring, a distributed sliding support and a bottom connecting node, wherein the structural column and the structural beam form a main structure, the main structure is connected with the steel plate combined wall through the upper connecting node, the horizontal spring and the distributed sliding support respectively, and the steel plate combined wall is connected with the ground through the bottom connecting node. The damping wall provided by the invention has the advantages that when an earthquake comes, the steel plate combined wall provides a mass unit, the horizontal spring provides rigidity, the damper is connected with the ground to provide grounding damping, so that the damping grounding type vibration absorber is formed, and the earthquake input energy is dissipated. The invention has the advantages of strong shock absorption and energy dissipation capability, simple structure, high assembly degree and the like.
Description
Technical Field
The invention relates to the technical field of civil engineering earthquake-resistant structural systems, in particular to a damping grounding type assembled steel plate combined frequency modulation shock absorption wall structural system.
Background
The earthquake activities in China have the characteristics of high frequency, high intensity, shallow earthquake sources and wide distribution, and are countries with serious earthquake disasters. Earthquake disasters pose a great threat to lives and properties of people, and how to improve the earthquake-resistant safety of a structure is always an important focus of attention in the field of civil engineering. In recent years, besides the traditional anti-seismic design, various energy-consumption vibration reduction devices and novel structural systems are increasingly focused by academic and engineering circles, such as energy-consumption vibration reduction technology adopting a damper, vibration isolation technology adopting a vibration isolation support, frequency modulation vibration reduction and self-resetting structure adopting a vibration absorber, swinging structure and the like.
The jounce bumper is a substructure attached to the main structure and generally includes a solid mass, springs, dampers, etc., the device itself having mass, stiffness and damping. The design is such that the frequency of the device itself is tuned to a frequency close to the main frequency of the structure, and when the main structure is excited to vibrate, the sub-structure moves in opposite directions to the main structure, thereby damping the vibration of the main structure by providing opposite inertial forces. The current frequency modulation damping device design is generally provided with mass by a mass block of an accessory, rigidity is provided by means of suspension, springs, rubber blocks and the like, and damping is provided by viscous damping or friction damping.
Some frequency modulation damping devices are disclosed, whether they are dampers (such as permanent magnet suspended horizontal tuned mass dampers (CN 204098268U), pendulum type eddy current tuned mass dampers (CN 103132628 a) and the like), or damping walls (integrated tuned mass damping walls (CN 105672516B) and the like), and the spring units and the damping units are both connected with the main structure and the sub-structure. However, theoretical and numerical analysis indicate that the grounded dynamic vibration absorber can improve the vibration reduction effect of the general dynamic vibration absorber. Meanwhile, in recent years, the industrialization of buildings has become a major trend of development of the building industry, and various assembled structural systems are layered endlessly, so as to be provided by using the ideas of earthquake resistance and energy dissipation and shock absorption, such as a fully prefabricated frame steel supporting structure (CN 203334474U), an assembled combined steel plate shear wall (CN 204983239U), a laminated plate shear wall (CN 203640084U) with a recoverable function, and the like. Meanwhile, the applicant has previously authorized an integrated tuned mass damping wall (201610134670.1) which is a tuned vibration damper based on a general dynamic vibration absorber model of damping and structural connection, and an assembled self-resetting swinging steel plate wall structural system (201610984429.8) which is a self-resetting structural system based on a swinging self-resetting principle.
Therefore, the invention utilizes two concepts of the grounding type frequency modulation damping and the combined structure assembled wall body, and aims to design a novel assembled steel plate combined frequency modulation damping wall, wherein a spring unit of the wall body is connected with a main body structure, and a damping unit is connected with the ground, so that a novel mode is provided for the frequency modulation damping design of an engineering structure.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide the damping grounding type assembled steel plate combined frequency modulation damping wall, which not only can fully improve the damping effect of a general frequency modulation damping device by utilizing grounding type damping, but also can realize the industrial construction mode of factory processing and field splicing of damping walls, thereby providing a novel frequency modulation damping wall structure system for newly-built building earthquake-resistant systems and existing building reinforcement and reconstruction.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the utility model provides a damping ground connection formula steel sheet combination frequency modulation shock attenuation wall, includes structural column, structure roof beam, steel sheet combination wall, goes up connected node, horizontal spring, distribution sliding support and bottom connected node, a plurality of the structural column with a plurality of the structure roof beam is connected and is constituteed the main structure, connect through last connected node, horizontal spring and distribution sliding support respectively between main structure and the steel sheet combination wall, the steel sheet combination wall is connected with ground through bottom connected node.
Further, the steel plate composite wall comprises steel column, girder steel, ribbed steel plate, horizontal steel plate node, vertical steel plate node, fixing bolt, filling layer and parcel layer, the steel column splices the frame that forms steel plate composite wall with the girder steel, ribbed steel plate passes through horizontal steel plate node and upper and lower flange connection of girder steel to and through vertical steel plate node and steel column left and right inboard flange connection, filling layer and parcel layer set up between ribbed steel plate or one side, and pass through fixing bolt connects together for adjust the total quality of steel plate composite wall through filling layer or parcel layer, on the one hand suppresses the steel plate buckling, promotes overall rigidity, on the other hand as the quality and supplements, realizes mill production, on the spot assembly.
Furthermore, the steel column and the steel beam are welded H-shaped sections or I-shaped sections, and the horizontal steel plate nodes and the vertical steel plate nodes are in a bolt connection mode.
Further, the upper connecting node is composed of a top beam, a suspension track, a suspension pulley, a top wheel shaft and a suspension steel plate, wherein the suspension track is welded on the lower flange of the top beam, the suspension steel plate is welded with the top beam of the steel plate combined wall, and the suspension pulley is connected with the suspension steel plate and the suspension track through the top wheel shaft and is used for bearing a part of gravity of the steel plate combined wall and rolling along the suspension track.
Furthermore, the top cross beam is welded with H-shaped steel or an I-shaped section and is provided with corresponding stiffening rib plates, two ends of the top cross beam are fixedly connected with the main structure, and a tiny gap is kept between the lower end of the suspension rail and the top end of the steel plate combined wall.
Further, the horizontal spring comprises spring and sleeve, the sleeve both ends are connected with steel sheet composite wall and main structure respectively, the spring sets up in the sleeve outside for inject the spring direction of deformation, avoid the too big unexpected rocking outside the plane.
Further, the distributed sliding support comprises an upper sliding support, a lower sliding support and a sliding layer, wherein the upper sliding support is connected to the steel plate combined wall, the lower sliding support is connected to the main structure, the sliding layer is slidably arranged between the upper sliding support and the lower sliding support, and the sliding layer is a smooth sliding layer or a sliding layer with a certain friction force.
Further, the bottom connected node comprises transition girder steel, flange pulley steel, stiffening rib, spacing curb plate, bottom pulley, bottom shaft, attenuator and fixed node, transition girder steel is in the same place through bolted connection with steel sheet combination wall bottom, transition girder steel bottom is in the same place with flange pulley steel and stiffening rib rigid coupling, the bottom pulley passes through the bottom shaft and sets up between two flange pulley steel plates to the lower limb and the ground contact of bottom pulley for bear some steel sheet combination wall weight and roll on ground, the attenuator both ends are articulated with fixed node and flange pulley steel respectively for provide suitable damping and rigidity, fixed node rigid coupling is in ground, spacing curb plate is fixed in ground and sets up in the flange pulley steel outside.
Furthermore, the transition steel beam is in a welded H-shaped section form, and the damper is a viscous fluid damper or a viscoelastic damper.
Further, the steel plate combined wall is freely arranged in a sliding mode through an upper connecting node, a distributed sliding support and a bottom connecting node, a mass unit is provided, the horizontal spring provides rigidity, the damper provides grounding damping, the upper connecting node, the distributed sliding support and the bottom connecting node jointly bear the mass of the steel plate combined wall, a damping grounding type vibration absorber is formed, and earthquake input energy is dissipated.
The beneficial effects of the invention are as follows:
the damping grounding type assembled steel plate combined frequency modulation shock absorption wall provided by the invention has the advantages that frequency modulation resonance is generated between the damping grounding type assembled steel plate combined frequency modulation shock absorption wall and a main structure when wind disasters and earthquakes occur, the energy of the main structure is absorbed, and the energy is dissipated through the grounding type damper, so that the main structure is protected. Compared with a conventional frequency modulation shock absorber, on one hand, the grounded damping unit enables the shock absorber to have a better shock absorption effect, and on the other hand, the wall mass blocks along the structure height can enable interlayer displacement angle distribution of the main structure to be more uniform. All spliced parts of the damping wall can be connected through bolts, factory production and field assembly can be achieved, and the field construction period is shortened. The device has the advantages of strong damping capacity, improved structural damage mode, simple structure, high assembly degree and the like.
Drawings
FIG. 1 is a schematic view of the overall elevation of the present invention;
FIG. 2 is a schematic view of a single-layer steel plate composite wall construction according to the present invention;
FIG. 3 is a schematic cross-sectional view of a single-layer steel plate composite wall of the present invention;
FIG. 4 is a schematic diagram of an upper connection node configuration of the present invention;
FIG. 5 is a schematic view of the bottom connecting node construction of the present invention;
fig. 6 is a schematic view of a horizontal spring and distributed slide support configuration of the present invention.
The reference numerals in the figures illustrate: a structural column 1; a structural beam 2; a steel plate composite wall 3; an upper connection node 4; a horizontal spring 5; a distributed sliding support 6; the bottom is connected with a node 7; a steel column 31; a steel beam 32; ribbed steel plate 33; a horizontal steel plate node 34; a vertical steel plate node 35; a fixing bolt 36; a filler layer 37; a wrapping layer 38; a top cross member 41; a suspended track 42; a suspension pulley 43; a top axle 44; a suspension steel plate 45; a spring 51; a sleeve 52; an upper slide support 61; a lower slide support 62; a sliding layer 63; a transition steel beam 71; a wheel receiving steel plate 72; stiffening ribs 73; a limit side plate 74; a bottom pulley 75; a bottom axle 76; a damper 77; the node 78 is fixed.
Detailed Description
The invention will be described in detail below with reference to the drawings in combination with embodiments.
As shown in FIG. 1, a damping grounding type assembled steel plate combined frequency modulation shock absorption wall comprises a structural column 1, structural beams 2, steel plate combined walls 3, upper connecting nodes 4, horizontal springs 5, distributed sliding supports 6 and bottom connecting nodes 7, and is characterized in that a plurality of structural columns 1 and a plurality of structural beams 2 are connected to form a main structure, the main structure is connected with the steel plate combined walls 3 through the upper connecting nodes 4, the horizontal springs 5 and the distributed sliding supports 6, and the steel plate combined walls 3 are connected with the ground through the bottom connecting nodes 7.
As shown in fig. 2 and 3, the steel plate composite wall 3 is composed of steel columns 31, steel beams 32, ribbed steel plates 33, horizontal steel plate nodes 34, vertical steel plate nodes 35, fixing bolts 36, filling layers 37 and wrapping layers 38, the steel columns 31 and the steel beams 32 are spliced to form an outer frame of the steel plate composite wall 3, in this embodiment, each layer of half or two layers of half sections of the steel columns 31, two ends of the steel beams 32 are connected with the steel columns 31 at root parts through end plate flanges, the ribbed steel plates 33 are one or two pieces, the ribbed steel plates 33 are connected with upper flanges and lower flanges of the steel beams 32 through the horizontal steel plate nodes 34 and are connected with left and right inner sides of the flanges of the steel columns 31 through the vertical steel plate nodes 35, the filling layer 37 and the wrapping layer 38 are disposed between or on one side of the ribbed steel plates 33 and are connected together by the fixing bolts 36, in this embodiment, when the two ribbed steel plates 33 are assembled, the two ribbed steel plates 33 are fixed by the fixing bolts 36, and when necessary, the filling layer 37 can be made by filling precast concrete slabs or other fillers between the two ribbed steel plates 33, as shown in fig. 3, when the single ribbed steel plates 33 are assembled, the wrapping layers 38 made of precast concrete slabs or other materials can be installed on both sides of the single ribbed steel plates 33, so that the total mass of the steel plate composite wall 3 can be adjusted by the filling layer 37 or the wrapping layers 38, on one hand, buckling of the steel plates is restrained, the overall rigidity is improved, and on the other hand, as a mass supplement, factory production and on-site assembly are realized.
The steel columns 31 and the steel beams 32 are welded H-shaped sections or I-shaped sections, other applicable steel member section types can be adopted when specific engineering is implemented, and the horizontal steel plate nodes 34 and the vertical steel plate nodes 35 are both in bolt connection.
As shown in fig. 4, the upper connection node 4 is composed of a top beam 41, a suspension rail 42, a suspension pulley 43, a top wheel shaft 44 and a suspension steel plate 45, wherein both ends of the top beam 41 are fixedly connected with the main body structure, the suspension rail 42 is welded to the lower flange of the top beam 41, the suspension steel plate 45 is welded with the top beam of the steel plate composite wall 3, and the suspension pulley 43 is connected with the suspension steel plate 45 and the suspension rail 42 through the top wheel shaft 44 and is used for bearing a part of gravity of the steel plate composite wall 3 and rolling along the suspension rail 42.
The top beam 41 is welded with H-shaped steel or I-shaped cross section, other applicable steel member cross section types can be adopted in specific engineering implementation, corresponding stiffening rib plates are arranged, two ends of the top beam 41 are fixedly connected with the main structure, and a tiny gap is kept between the lower end of the suspension rail 42 and the top end of the steel plate combined wall 3.
As shown in fig. 6, the horizontal spring 5 is composed of a spring 51 and a sleeve 52, the stiffness and the number of the spring 51 can be obtained by conventional calculation according to the tuning frequency and the mass of the steel plate wall, two ends of the sleeve 52 are respectively connected with the steel plate combined wall 3 and the main structure, and the spring 51 is arranged outside the sleeve 52 and used for limiting the deformation direction of the spring 51 and avoiding excessive accidental shaking out of the plane.
The distributed sliding support 6 is composed of an upper sliding support 61, a lower sliding support 62 and a sliding layer 63, the upper sliding support 61 is connected to the steel plate combined wall 3, the lower sliding support 62 is connected to the main structure, in this embodiment, the upper sliding support 61 is in the form of an inverted bracket, the lower sliding support 62 is rigidly connected with the steel plate combined wall 3 through welding or bolts, the lower sliding support 62 is made into the form of a bracket, the upper sliding support 61 is rigidly connected with the main structure through welding or bolts, the sliding layer 63 is slidably arranged between the upper sliding support 61 and the lower sliding support 62, and the sliding layer 63 is a smooth sliding layer or a sliding layer with a certain friction force, so that the steel plate combined wall 3 is kept fixed during small vibration.
As shown in fig. 5, the bottom connecting node 7 is composed of a transition steel beam 71, a wheel steel plate 72, a stiffening rib 73, a limit side plate 74, a bottom pulley 75, a bottom wheel axle 76, a damper 77 and a fixing node 78, wherein the transition steel beam 71 is connected with the bottom of the steel plate composite wall 3 through bolts, the bottom of the transition steel beam 71 is fixedly connected with the wheel steel plate 72 and the stiffening rib 73, the bottom wheel axle 76 is connected between the two wheel steel plates 72, the bottom pulley 75 is arranged between the two wheel steel plates 72 through the bottom wheel axle 76, the lower edge of the bottom pulley 75 is in contact with the ground for bearing part of the weight of the steel plate composite wall 3 and rolling on the ground, two ends of the damper 77 are hinged with the fixing node 78 and the wheel steel plate 72 respectively for providing proper damping and rigidity, the fixing node 78 is fixedly connected with the ground, and the limit side plate 74 is fixed on the ground and arranged outside the wheel steel plate 72.
The transition steel beam 71 is in the form of a welded H-shaped section, other applicable steel member section types can be adopted in specific engineering implementation, and the damper 77 is a viscous fluid damper or a viscoelastic damper.
The steel plate composite wall 3 is freely arranged in a sliding mode through the upper connecting node 4, the distributed sliding supports 6 and the bottom connecting node 7, a mass unit is provided, the horizontal spring 5 provides rigidity, the damper 77 provides grounding damping, and the upper connecting node 4, the distributed sliding supports 6 and the bottom connecting node 7 bear the mass of the steel plate composite wall 3 together to form a damping grounding type vibration absorber, and earthquake input energy is dissipated.
The following details the implementation steps of the invention when specifically installed and used in combination with the above technical scheme and the accompanying drawings:
1) Machining steel columns 31, steel beams 32 and ribbed steel plates 33 in the steel plate composite wall 3 in a factory according to design and construction requirements; machining a top beam 41, a suspension rail 42, a suspension pulley 43, a top wheel shaft 44 and a suspension steel plate 45 in the upper connection node 4, wherein the suspension rail 42 and the top beam 41 are welded, and the suspension steel plate 45 is welded with the top of the steel plate composite wall 3; the transition steel beam 71, the sheave steel plate 72, the stiffening rib 73, the limiting side plate 74, the bottom pulley 75, the bottom wheel axle 76, the damper 77, and the fixing node 78 in the bottom connecting node 7 are processed, wherein the sheave steel plate 72, the stiffening rib 73, and the transition steel beam 71 are welded.
2) The limiting side plate 74 and the fixed node 78 are fixedly connected to the ground.
3) The lower sliding support 62 is firstly installed on the structural column 1 at the structural site, and the two ends of the top cross beam 41 are connected to the main structure; splicing the steel columns 31 and the steel beams 32 by using end plate flanges to form an outer frame of the steel plate combined wall 3; subsequently, the two ribbed steel plates 33 are connected together by fixing bolts 36, and the ribbed steel plates 33 are connected with the outer frame of the steel plate wall by using the horizontal steel plate nodes 34 and the vertical steel plate nodes 35, and simultaneously the transition steel beam 71 is connected with the bottom of the steel plate composite wall 3 by bolts.
4) Assembling the bottom pulley 75 and the bottom axle 76 and mounting both between the sheave steel plates 72; the steel plate composite wall 3 is hoisted, an upper sliding support 61 connected with the steel plate composite wall 3 is placed on a lower sliding support 62, a sliding layer 63 is processed before installation, and a temporary support is properly arranged.
5) The horizontal spring 5 is mounted by bolting, the top wheel shaft 44 is inserted into the suspension steel plate 45, and the suspension pulley 43 is mounted.
6) And after the installation is finished, removing the temporary support.
Principles of the invention
In the invention, the steel plates and the filling layer 37 or the wrapping layer 38 jointly form a mass unit, and meanwhile, the steel plates provide enough rigidity to enable the whole steel plate composite wall 3 to be a whole, the mass of the steel plate composite wall is borne by the distributed sliding support 6, the upper connecting node 4 and the bottom connecting node 7 together, and the upper connecting node 4 and the bottom connecting node 7 limit the steel plate composite wall 3 to overturn so as to enable the steel plate composite wall to horizontally slide; the horizontal spring 5 is used as a stiffness unit, the damper 77 of the bottom connecting node 7 is used as a damping unit, and the damping unit and the steel plate combined wall 3 form a damping grounding dynamic vibration absorber together; when the building structure is subjected to loads such as wind and earthquake, lateral vibration occurs, the steel plate combined wall 3 reversely vibrates due to the principle of tuning resonance, part of vibration energy is transferred to the damper 77 in the frequency modulation damping wall, and the transferred vibration energy is consumed, so that the vibration response of the structure is reduced; meanwhile, due to the rigidity of the steel plate wall body, the distribution mode of the displacement angle between the structural layers can be changed.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a damping ground connection type assembled steel sheet combination frequency modulation shock attenuation wall, includes structural column (1), structural beam (2), steel sheet composite wall (3), goes up connected node (4), horizontal spring (5), distribution sliding support (6) and bottom connected node (7), its characterized in that, a plurality of structural column (1) and a plurality of structural beam (2) are connected and are constituteed the main structure, connect through last connected node (4), horizontal spring (5) and distribution sliding support (6) respectively between main structure and the steel sheet composite wall (3), steel sheet composite wall (3) are connected with the ground through bottom connected node (7), distribution sliding support (6) are constituteed by last sliding support (61), lower sliding support (62) and sliding layer (63), go up sliding support (61) and connect on steel sheet composite wall (3), lower sliding support (62) are connected on the main structure, sliding layer (63) set up slidingly between last sliding support (61) and lower sliding support (62), sliding layer (63) are that smooth sliding layer (33) are certain friction band, steel sheet (33), steel sheet composite wall (32), steel sheet composite wall (31), steel sheet (32) are taken by certain friction layer, steel sheet (33) and steel sheet composite wall (32) The steel column (31) and the steel beam (32) are spliced to form an outer frame of the steel plate combined wall (3), the ribbed steel plate (33) is connected with an upper flange and a lower flange of the steel beam (32) through a horizontal steel plate node (34) and is connected with left and right inner flanges of the steel column (31) through a vertical steel plate node (35), the filling layer (37) and the wrapping layer (38) are arranged between or on one side of the ribbed steel plate (33) and are connected together through the fixing bolts (36) so as to regulate the total mass of the steel plate combined wall (3) through the filling layer (37) or the wrapping layer (38), on one hand, inhibit steel plate buckling, promote overall rigidity, and on the other hand serve as mass supplement, realize factory production and field assembly, the bottom connecting node (7) is composed of a transition steel beam (71), a connecting wheel steel plate (72), a stiffening rib (73), a limiting side plate (74), a bottom pulley (75), a bottom wheel axle (76), a damper (77) and a fixing node (78), the transition steel plate (71) is fixedly connected with the bottom steel plate (73) through the transition steel plate (73) and the transition steel plate combined wall (73) together, the bottom pulley (75) is arranged between the two wheel connecting steel plates (72) through a bottom wheel shaft (76), the lower edge of the bottom pulley (75) is in contact with the ground and used for bearing the weight of a part of steel plate combined wall (3) and rolling on the ground, two ends of the damper (77) are hinged with the fixed nodes (78) and the wheel connecting steel plates (72) respectively and used for providing proper damping and rigidity, the fixed nodes (78) are fixedly connected to the ground, and the limiting side plates (74) are fixed to the ground and are arranged on the outer sides of the wheel connecting steel plates (72).
2. The damping grounding type assembled steel plate combined frequency modulation shock absorbing wall according to claim 1, wherein the steel column (31) and the steel beam (32) are welded H-shaped sections or I-shaped sections, and the horizontal steel plate nodes (34) and the vertical steel plate nodes (35) are in a bolt connection mode.
3. The damping grounding type assembled steel plate combined frequency modulation shock absorption wall according to claim 1, wherein the upper connecting node (4) consists of a top beam (41), a suspension rail (42), a suspension pulley (43), a top wheel shaft (44) and a suspension steel plate (45), the suspension rail (42) is welded to the lower flange of the top beam (41), the suspension steel plate (45) is welded with the top beam of the steel plate combined wall (3), and the suspension pulley (43) is connected with the suspension steel plate (45) and the suspension rail (42) through the top wheel shaft (44) and is used for bearing part of gravity of the steel plate combined wall (3) and rolling along the suspension rail (42).
4. The damping grounding type assembled steel plate combined frequency modulation shock absorption wall according to claim 3, wherein the top cross beam (41) is welded with H-shaped steel or I-shaped cross section and is provided with corresponding stiffening rib plates, two ends of the top cross beam (41) are fixedly connected with the main structure, and a tiny gap is kept between the lower end of the suspension rail (42) and the top end of the steel plate combined wall (3).
5. The damping grounding type assembled steel plate combined frequency modulation shock absorption wall according to claim 1, wherein the horizontal spring (5) is composed of a spring (51) and a sleeve (52), two ends of the sleeve (52) are respectively connected with the steel plate combined wall (3) and a main structure, and the spring (51) is arranged on the outer side of the sleeve (52) and used for limiting the deformation direction of the spring (51) and avoiding overlarge accidental shaking out of a plane.
6. The damping grounded type assembled steel plate combined frequency modulation shock absorbing wall according to claim 1, wherein the transition steel beam (71) is in a welded H-shaped section form, and the damper (77) is a viscous fluid damper or a viscoelastic damper.
7. The damping grounding type assembled steel plate combined frequency modulation shock absorption wall according to claim 1, wherein the steel plate combined wall (3) is freely arranged in a sliding mode through an upper connecting node (4), a distributed sliding support (6) and a bottom connecting node (7) and provides a mass unit, the horizontal spring (5) provides rigidity, the damper (77) provides grounding damping, and the upper connecting node (4), the distributed sliding support (6) and the bottom connecting node (7) jointly bear the mass of the steel plate combined wall (3) to form a damping grounding type shock absorber for dissipating earthquake input energy.
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| CN201910144862.4A CN109898705B (en) | 2019-02-27 | 2019-02-27 | Damping grounding type assembled steel plate combined frequency modulation damping wall |
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| CN201910144862.4A CN109898705B (en) | 2019-02-27 | 2019-02-27 | Damping grounding type assembled steel plate combined frequency modulation damping wall |
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| CN110777941B (en) * | 2019-10-10 | 2020-12-22 | 融兴建设集团有限公司 | Damping and wind-reducing type steel structure assembled house |
| CN113530339B (en) * | 2020-10-26 | 2022-05-20 | 长江师范学院 | Cast-in-place assembly structure for construction of building damping wall |
| CN114703739B (en) * | 2022-03-18 | 2022-12-20 | 西南交通大学 | Shock isolation device for preventing fault from damaging bridge tower |
| CN114562128B (en) * | 2022-03-31 | 2024-03-26 | 中铁城建集团第一工程有限公司 | steel structure factory building maintenance plate reinforcing structure and use method thereof |
| CN115404987B (en) * | 2022-10-18 | 2024-01-30 | 山东一建装配式建筑科技有限公司 | Steel structure with shock absorption damper and construction method |
| CN115506625A (en) * | 2022-10-24 | 2022-12-23 | 贵州开放大学(贵州职业技术学院) | Building structure reinforcing device for prefabricated house |
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| JP2004116171A (en) * | 2002-09-27 | 2004-04-15 | Ohki Corp | Wall unit having damper incorporated therein, and building wall construction method |
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