43 results about "Earthquake energy" patented technology

The invention discloses an anti-seismic protection structure of a coral island reef limestone underground chamber and a construction method.The anti-seismic protection structure of the coral island reef limestone underground chamber comprises a chamber hole, an elastic shock insulation layer, a pouring layer, a shock insulation support, a viscous damping component and a mild steel damper; the seismic isolation support and the pouring layer bear vertical loads together, the viscous damping component and the side wall bear lateral confining pressure of reef limestone, under the earthquake effect, the elastic seismic isolation layer can preliminarily absorb earthquake energy, and after three-direction seismic waves are transmitted to the structure, the seismic energy of X-direction seismic waves and Y-direction seismic waves is consumed by the seismic isolation support at the bottom layer through vibration and friction, so that the seismic isolation effect is achieved. X-direction and Y-direction deformation and displacement of the chamber are reduced, Z-direction seismic waves absorb seismic energy through the seismic isolation support, so that energy continuously transmitted to the upper portion is avoided or reduced, and the vertical vibration response of the structure is relieved. At the arch crown part, the mild steel damper can absorb and dissipate energy through vibration and plastic deformation of an energy dissipation component arranged on the mild steel damper.

The invention discloses a foundation construction method in house building construction, and relates to the technical field of building construction. The method comprises the following steps: step 1, geological investigation and site pretreatment; 2, a shallow soft soil layer is treated; 3, constructing a deep composite pile foundation; 4, laying a composite mattress layer; 5, integrating an intelligent monitoring system; and step 6, quality detection and acceptance. Compared with the prior art, the construction method is more economical and environmentally friendly, the utilization rate of the building residue soil is high, the lime consumption is reduced, carbon emission is reduced, and the material cost is saved; the anti-seismic performance is improved, the anti-seismic intensity of the structure is improved through the elastic concrete layer, and the seismic energy absorption rate is increased; the construction efficiency is improved, and the equipment dismounting time is reduced by the pile casing hole-forming process, so that the construction period is shortened; the adaptability is wider, and the method is suitable for various complex geologies such as collapsible loess, mucky soil and miscellaneous fill.

To provide a wooden load bearing wall having high deformation performance and excellent earthquake energy absorption performance.SOLUTION: In a wooden load bearing wall 100, wooden load bearing panels 40 are attached to a pair of cross members 20 in a frame 30 composed of a pair of columns 10 and a pair of beams 20 or cross members including a foundation. The load bearing panels 40 include connecting panels 40A and restraining panels 40B. The connecting panels 40A are arranged with a gap G between first ends 42 at left and right sides of the connecting panels 40A and the pair of columns 10. The first ends 42 and side surfaces 11 of the pair of columns 10 are each joined by steel dampers 50 arranged in the gap G. The steel dampers 50 are sandwiched between a pair of restraining panels 40B arranged in the gap G.SELECTED DRAWING: Figure 1

The invention relates to the technical field of building structure engineering, in particular to an assembly type partition wall shock absorption connecting system based on a multi-stage energy dissipation mechanism and a construction method.The partition wall is converted into a multi-stage energy dissipation subsystem, and the equivalent damping ratio of the system is greatly increased; the gradient flexible layer works first, consumes energy and absolutely ensures that the decorative surface layer is intact, and the gradient flexible layer is not prone to deformation. According to the invention, the effects of no repair in small earthquakes, dissipation of most earthquake energy by a damping mechanism and aseismic main force are realized, and the integrated coping steel plate ensures that all battens participate in the process cooperatively, so that the robustness and anti-collapse capability of the structure under super-fortification earthquakes are greatly enhanced, and the qualitative improvement of the anti-seismic performance is realized; the method is suitable for newly-built and reinforced reconstruction projects with high requirements for seismic resistance, a complete, efficient and reliable assembly type partition wall damping solution is formed, and the method has high innovativeness and wide engineering application prospects.

The invention provides a mine earthquake energy determination method and device, and relates to the technical field of coal mines. The method comprises the following steps: acquiring first waveform data acquired by a plurality of medium-frequency mine earthquake instruments respectively and second waveform data acquired by a plurality of low-frequency mine earthquake instruments respectively when a mine earthquake occurs; determining a seismic source area and a central point of the seismic source area based on the first waveform data and the second waveform data, and determining a first distance between each intermediate frequency mine earthquake instrument and the central point and a second distance between each low frequency mine earthquake instrument and the central point; for each piece of first waveform data, based on a first distance corresponding to the medium-frequency mine earthquake instrument, a first energy value corresponding to the mine earthquake is calculated by adopting a waveform integration method; for each piece of second waveform data, based on a second distance corresponding to the low-frequency mine earthquake instrument, a second energy value corresponding to the mine earthquake is calculated by adopting a seismic moment method; and performing conjoint analysis on the first energy value and the second energy value to obtain a target energy value corresponding to the mine earthquake.

The utility model relates to the technical field of concrete pre-members, and discloses an anti-seismic concrete pre-member which comprises a concrete pre-member body, hanging rings are arranged at the four corners of the top end of the concrete pre-member body, and a rectangular connecting frame is arranged in the concrete pre-member body. A plurality of sets of evenly-distributed supporting rods are arranged between the rectangular connecting frames, first connecting rods are arranged in the rectangular connecting frames, and corrugated second connecting rods are arranged in the rectangular connecting frames and located on the two sides of the first connecting rods. Compared with the prior art, the anti-seismic component has the advantages that the structural design is reasonable, the second connecting rods are corrugated, the anti-seismic capacity of the component in multiple directions can be enhanced, the anti-seismic effect is greatly improved due to the fact that the second connecting rods are perpendicularly arranged in a crossed mode to form a net-shaped structure, the rubber shock pads at the four corners of the bottom end can effectively absorb and disperse earthquake energy, and the anti-seismic effect is improved. The earthquake response of the structure is reduced, and the anti-seismic performance is further improved.

The application discloses a deformation controlled corner brace with external metal energy absorber, which comprises an inner metal rod, an outer metal tube, a standby pull rod system, a connecting plate, a compression elastic pad and an external metal energy absorber. The inner metal rod is inserted into the inner part of the outer metal tube and is connected by the standby pull rod system in the inner part, and is connected by the external metal energy absorber on the outer surface. The inner part of the outer metal tube is provided with the compression elastic pad at the bottom end. The standby pull rod system limits the maximum tensile deformation of the inner metal rod relative to the outer metal tube, and the compression elastic pad reduces the impact of the inner metal rod on the outer metal tube. The application has the beneficial effects that when the structure bears the design expected earthquake effect, the application can dissipate the earthquake energy by the plastic deformation of the external metal energy absorber, when the structure bears the great earthquake effect and the structure deformation is large, the corner brace can be degraded into a force bearing support, the maximum deformation of the structure is limited, the lateral stiffness of the structure is improved, and the anti-collapse performance is improved.

The present invention discloses a method for seismic isolation of horizontal isolation joints, comprising the following steps: 1. construction of an isolation retaining wall of a building structure; 2. construction of an isolation cover plate of a building structure; 3. placement of balls; 4. sealing the edge of the horizontal isolation joint with a flexible sealing strip; 5. isolation of the horizontal isolation joint; 6. replacement of balls and sealing the horizontal isolation joint. The present invention reduces the height of the horizontal isolation joint by improving the top surface of the isolation retaining wall at the position of the horizontal isolation joint and the bottom surface structure at the edge of the isolation cover plate, seals the edge gap of the horizontal isolation joint with a sealing strip, and has a good waterproofing effect. When an earthquake occurs, the isolation support can be tilted in any direction, and the limit block and the limit groove can cooperate to prevent the vibration amplitude of the isolation cover plate from being too large. The balls are used to consume the earthquake energy input to the isolation cover plate, and the isolation cover plate can slide freely in any direction.

The utility model discloses a U-shaped damper damping cable support which comprises a bottom plate, a U-shaped damper installed on the bottom plate, a top plate installed on the U-shaped damper and a plate-shaped cable support vertically installed on the top plate, and a plurality of cable through holes are formed in the cable support. The U-shaped damper has the advantages that energy input by an earthquake is dissipated through hysteretic deformation of the energy dissipation section of the U-shaped damper under the action of the earthquake, the vertical plate-shaped cable support is provided with a plurality of cable through holes, horizontal displacement of a supported cable can be reduced, the cable is protected from being damaged by the earthquake, and the U-shaped damper is easy to replace after the earthquake, simple in structure and large in cable capacity.

According to the technical scheme, a novel anti-seismic structure is adopted, the risk that short columns are formed due to the fact that the cross section of a traditional cantilever beam structure is too large can be avoided, and the anti-seismic performance is improved; in addition, earthquake energy is digested through elastic deformation of the elastic structure. And rigid connection between traditional cantilever structures is changed, the force conduction path is changed, the torque borne by the first-stage cantilever structure is reduced, and the situation that due to the fact that the force conducted to the second-stage cantilever structure through the supporting structure is too large, the torque borne by the second-stage cantilever structure is too large, and rigid damage is caused can be avoided.

The invention relates to the technical field of coal mine safety, and provides a deep well roadway surrounding rock blasting measure optimization design method and system. According to the determined residual mine earthquake energy of the migration of the key layer of each layer covering the target working face to the roadway supporting system and the theoretical impact resistance of the roadway supporting system of the target working face, determining a threat factor of the migration of the key layer of each layer to the roadway supporting system so as to identify a top plate blasting layer of the target working face; and then, a construction path and blasting parameters of target working face roof blasting are generated based on the recognized roof blasting position, and threat factors of migration of all key layers covering the target working face to a roadway supporting system are cyclically updated. Therefore, the impact resistance of a roadway support system is constrained, the'disaster-inducing-disaster-bearing 'matching of the blasting horizon is realized, the quantitative screening of the target blasting horizon is realized, the identification efficiency and accuracy are improved, and the rock burst and mine earthquake risks caused by misjudgment or missed judgment are reduced.

The utility model discloses a fabricated building wall anti-seismic structure, and relates to the technical field of fabricated buildings, the fabricated building wall anti-seismic structure comprises a connecting base, a connecting beam, a first wall, a second wall, a reinforcing member and an anti-inclination member, the upper end of the connecting base is provided with a groove, and the bottom of the groove is fixedly connected with a plurality of groups of bottom plates; the upper end of the bottom plate is fixedly connected with a plurality of sets of sliding groove bases, the left side and the right side of each sliding groove base are each provided with a front sliding groove and a rear sliding groove, the left side and the right side of each sliding groove base are each slidably connected with a sliding block, one part of each sliding block is clamped in the corresponding sliding groove, and the upper end of each sliding block is fixedly connected with a connecting rod. The first wall body and the second wall body may vibrate up and down after the first protruding blocks and the second protruding blocks at the upper ends of the first wall body and the second wall body are broken due to an earthquake, and at the moment, under the action of friction force and the damping springs, earthquake energy can be absorbed, shock absorption is conducted, and the anti-seismic effect is improved.

The utility model provides a viscoelastic anti-seismic and shock-absorbing support which comprises a bracket plate, a vertical suspender, a buffer assembly, an inclined strut assembly and four supporting assemblies, the bracket plate is detachably connected with the vertical suspender through the buffer assembly, the inclined strut assembly is obliquely connected to the two ends of the bracket plate in a supporting mode, and the supporting assemblies are connected to the two ends of the bracket plate in a supporting mode. And the four supporting assemblies are arranged at the four corners of the surface of the bracket plate correspondingly, supporting plates are arranged on the four supporting assemblies, and pipe hoops are erected on the supporting plates. The device dissipates earthquake energy under the action of an earthquake, can effectively protect the suspension pipeline and prevent the suspension pipeline from being damaged under the action of the earthquake, is easy to install, effectively reduces deformation of the pipeline under the action of the earthquake, and improves the anti-seismic capacity of the pipeline.

This application relates to a prefabricated composite shear wall based on a steel pipe structure, comprising two parallel composite slabs and an energy-dissipating steel-concrete composite member. A cavity is provided between the composite slabs to accommodate the energy-dissipating steel-concrete composite member. The energy-dissipating steel-concrete composite member comprises symmetrically arranged steel-concrete composite components, each consisting of four diagonally connected steel-concrete composite members. These components are prismatic in shape, with their edges abutting against beam members. In this application, when the energy-dissipating steel-concrete composite member is subjected to seismic forces, the eight diagonally connected steel-concrete composite members of the energy-dissipating steel pipe component collectively dissipate energy through bending, thereby absorbing some of the seismic energy. Furthermore, the strong load-bearing capacity of the energy-dissipating steel pipe component reinforces the weak points of the shear wall, reducing the occurrence of damage or failure of some shear wall components. This allows the components of the shear wall to work together to resist seismic forces, improving the overall seismic performance of the shear wall.

The invention belongs to the technical field of bridge seismic resistance, and particularly provides a damping energy-consumption limiting device for a bridge and the bridge, displacement between a pier beam can drive two hinge points to be relatively close to each other, so that an arc-shaped section is subjected to outward convex deformation to consume energy, the deformation process can also play a role in buffering contact between a main beam and a pier, impact force is reduced, and the service life of the bridge is prolonged. Then the connecting piece generates tensile force to resist convex deformation, the resistance bearing capacity and the limiting capacity of the first energy dissipation piece are indirectly improved, the second energy dissipation piece can dissipate energy through self deformation and can also transmit impact force to the upper portion of the mounting base and opposite to the impact direction, then the impact force can be offset, and the buffering effect is further improved; the impact influence is weakened, the internal force borne by the bridge pier and the lower structure is reduced, a good protection effect is achieved on the impact of the main beam, meanwhile, earthquake energy is dissipated, too large displacement of the main beam is limited, and the overall anti-seismic performance of the bridge structure is improved.

The utility model discloses a house building anti-seismic reinforcing structure, and relates to the technical field of house building anti-seismic reinforcing structures, the house building anti-seismic reinforcing structure comprises an anti-seismic frame arranged on one side of a wall body, the vertical side of the anti-seismic frame is fixedly connected with the wall body through bolts, and the horizontal side of the anti-seismic frame is fixed on house soil through bolts; a reinforcing frame is vertically arranged in the anti-seismic frame, and X-shaped stabilizing frames which are arranged up and down are arranged between the side, vertically arranged, of the reinforcing frame and the side, vertically arranged, of the anti-seismic frame; an I-shaped connecting frame is arranged between the two stabilizing frames, and the two sides of the connecting frame are fixedly connected with the vertical side of the anti-seismic frame and the reinforcing frame correspondingly; the side, away from the stabilizing frame, of the reinforcing frame is provided with a plurality of holding steel frames which are different in length and arranged in an inclined mode. The earthquake energy can be absorbed and dispersed, the damage of the earthquake to the house building can be blocked, the damage degree of the structure is reduced, the house building structure is stable, the structural durability is enhanced, and the building safety is improved.

The invention relates to a sandwich wall based on assembly type self-resetting energy consumption connecting assemblies and a construction method of the sandwich wall. A heat preservation plate is arranged between an inner acanthus and an outer acanthus of the sandwich wall. The assembly type self-resetting energy dissipation connecting assembly is connected with the inner acanthus and the outer acanthus. In the assembly type self-resetting energy consumption connecting assembly, wallboard connecting boxes are symmetrically pre-buried in an inner acanthus and an outer acanthus, and GFRP pultrusion profiles are correspondingly connected with the wallboard connecting boxes; the energy dissipation steel box is connected with the GFRP pultruded profiles at the two ends of the energy dissipation steel box respectively; the shape memory alloy rod penetrates through the GFRP pultrusion profile and the energy dissipation steel box. By adopting the GFRP pultruded profile, the thermal bridge effect can be effectively reduced, and the thermal insulation performance of the wall body is improved. By arranging the energy dissipation steel box, damage of earthquake energy to the main body structure is reduced through deformation energy dissipation. The shape memory alloy rods are introduced, so that the structure has a self-resetting function, the overall stability and the deformation resistance of the sandwich wall are enhanced, and it is ensured that the structure rapidly recovers to the initial state after an earthquake.

This invention discloses a modular graded energy dissipation damper for resisting wind-induced vibrations and minor, moderate, major, and mega-earthquakes, relating to the field of earthquake prevention and disaster reduction technology. It includes an upper base plate and a lower base plate, with energy dissipation components for minor, moderate, major, and mega-earthquakes arranged sequentially from both ends towards the middle between the upper and lower base plates. It also includes wind-induced vibration energy dissipation components located between the upper and lower base plates and on both sides of each energy dissipation component. Each wind-induced vibration energy dissipation component comprises two spaced-apart outer and inner plates, respectively connected to the upper and lower base plates, with a viscoelastic layer connecting the corresponding overlapping surfaces of the outer and inner plates. This invention improves metal dampers with a single yield point or unclear graded yield points, providing multiple distinct yield points for energy dissipation under minor, moderate, major, and mega-earthquakes. It also improves upon single-purpose earthquake-resistant energy dissipation dampers by combining earthquake energy dissipation components with wind-induced vibration energy dissipation components, achieving a combination of wind resistance and vibration reduction.

The invention belongs to the technical field of building seismic resistance, particularly relates to a seismic isolation support for multistage earthquakes, and aims at achieving precise adaptation and efficient resistance to earthquakes of different earthquake magnitudes. The support is mainly composed of a bottom plate, a second shock insulation support, a middle partition plate, a first shock insulation support, a top plate and a matched control mechanism, bolt holes are formed in the four corners of the bottom plate and the four corners of the top plate, and the bottom plate and the top plate can be firmly connected with a building body through high-strength bolts. Columnar bodies and an annular connecting plate which are annularly arranged are arranged on the middle partition plate, a locking mechanism can be jointly formed by combining a plug pin in a groove in the top end of the middle partition plate, a top plate through hole and an electromagnet, and the bearing capacity and rigidity of the support are accurately adjusted and controlled in cooperation with a displacement sensor and a target point. In small and medium earthquake magnitudes, only the first shock insulation support plays a shock insulation role; when the earthquake magnitude is increased, the second shock insulation support works in a relay mode, and strong earthquake energy is dissipated. According to the design, earthquake magnitude adaptation can be achieved, earthquake resistance is achieved according to needs, the earthquake resistance safety of a building is effectively improved, and the problem that a traditional earthquake isolation support is difficult to adapt to multi-earthquake-magnitude scenes is solved.

The invention discloses a disc spring rubber three-dimensional vibration double-control support and an installation technology, the disc spring rubber three-dimensional vibration double-control support comprises an upper disc spring support and a lower rubber support which are connected in series, the disc spring support is formed by overlapping or folding a plurality of disc spring sets, the vertical rigidity of the disc spring support is small, the vertical rigidity of a structural system using the support can be reduced, and the service life of the disc spring support is prolonged. The rubber support is formed by vulcanizing and bonding rubber and a steel plate, the horizontal rigidity of the rubber support is small, and the horizontal natural vibration period of a structural system can be prolonged, so that horizontal seismic energy is isolated from being transmitted into an upper structure, the horizontal seismic oscillation is isolated, and the vertical rail transit vibration isolation effect is achieved. Through the rigidity frequency division design, cooperative control over horizontal earthquake low-frequency energy and vertical vibration high-frequency energy is achieved, the safety and stability of the structure under the vibration and earthquake action are effectively improved, the structure is simple, installation is convenient, and good application prospects are achieved.

The invention discloses a composite wall toe damper with pre-compression strain and a production method. The composite wall toe damper comprises a plurality of restraining plates A, restraining plates B and viscoelastic bodies which are arranged in parallel in a staggered mode, and the viscoelastic bodies are fixedly connected with the restraining plates A and the restraining plates B; pre-compression strain is applied to the viscoelastic body through the pre-tightening bolt, pressure stress is generated in the viscoelastic body, and the initial bearing capacity and damping force of the wall toe damper are improved; meanwhile, a lead rod is arranged among the restraining piece A, the restraining plate B and the viscoelastic body in a penetrating mode, and the initial bearing capacity and damping force of the wall toe damper are further improved; the composite wall toe damper with the pre-compression strain has the advantages that the initial bearing capacity is high, earthquake energy can be absorbed during small displacement, the shear deformation range is large, the problem of stress concentration at the corner of the wall toe of a shear wall can be solved, and the composite wall toe damper does not need to be replaced after an earthquake, so that the composite wall toe damper has extremely high popularization and application value in high-rise and super high-rise buildings.

The invention discloses a multi-energy-consumption structure capable of realizing dynamic deformation based on strong shock, which is characterized by comprising a stand column, a plurality of energy-consumption components and a plurality of energy-consumption components, a main beam; the two opposite ends of the main beam are connected with the stand columns through the gusset plates respectively. The hydraulic mechanism is arranged below the main beam in parallel; one end of the buckling-restrained energy dissipation support is connected with the gusset plate, the other end of the buckling-restrained energy dissipation support is connected with the hydraulic mechanism through the gusset plate, and the buckling-restrained energy dissipation support drives the hydraulic mechanism to act through the gusset plate so as to absorb earthquake energy. According to the multi-energy-consumption structure capable of achieving dynamic deformation based on the strong earthquake, mutual conversion of structure types can be achieved, a multi-energy-consumption mechanism is achieved, the multi-energy-consumption structure is basically not damaged after the earthquake, a reset system is designed, the repair work after the earthquake is greatly reduced, and the maintenance cost is low.

The present invention relates to a seismic isolation device for major lifeline projects, and particularly to a double-layer three-dimensional seismic isolation system suitable for high-lift storage tank structures, which includes a storage tank, an upper seismic isolation system, a high-lift, a lower seismic isolation system, and a bottom structural foundation arranged in sequence. The upper seismic isolation system includes a vertical sliding mechanism provided with square rubber shock-absorbing bearings, a bidirectional horizontal sliding mechanism connected in series with the vertical sliding mechanism, and a locking system connected to the bidirectional horizontal sliding mechanism; the lower seismic isolation system includes pin-key bearings and second peripheral seismic isolation bearings. For the seismic isolation system of the present invention, when an earthquake within the design earthquake occurs, the upper seismic isolation system and the lower seismic isolation system bear the vertical load, and the upper seismic isolation system dissipates seismic energy and has an anti-torsion function. When an earthquake exceeding the design earthquake occurs, the lower seismic isolation system will continue to play a horizontal shock-absorbing function. The functions of each seismic isolation mechanism of the seismic isolation system of the present invention are clear and obvious, and it is maintenance-free throughout the process.

The application discloses a building shock insulation device and method based on the principle of electromagnetism, and belongs to the technical field of building shock absorption. The building shock insulation device based on the principle of electromagnetism divides a high-rise building into at least two sections in the horizontal direction, and comprises a section A building at the bottom and a section B building at the upper part. A magnetic attraction layer is arranged between the section A building and the section B building. The magnetic attraction layer generates magnetic attraction, so that the section B building moves appropriately through the magnetic attraction when an earthquake occurs, thereby absorbing and dissipating the earthquake energy. The application solves the contradiction between reducing the self-weight of the building and increasing the heavy lateral resisting member, and reduces the resonance of the building. The application divides the building into sections, and arranges the magnetic attraction layer at the connecting part, thereby solving the contradiction between reducing the self-weight of the building to reduce the earthquake force and increasing the heavy lateral resisting member to increase the structural stiffness to resist the horizontal earthquake action to a certain extent.

The utility model discloses a shock insulation support and relates to the technical field of shock insulation and shock absorption of building structures. In the shock insulation support, a second connecting part of a connecting piece abuts against the surface of a base, a first connecting part enters a storage cavity of the base, and a plurality of dampers are arranged between the first connecting part and the cavity wall of the storage cavity; the first connecting part is arranged in the storage cavity, and the ball is arranged at the joint of the first connecting part and the storage cavity, so that when an earthquake comes, the first connecting part quickly responds to vibration caused by the earthquake under the action of the ball, the connecting piece displaces, the damper is extruded after the first connecting part displaces, and earthquake energy is passively consumed through the damper. When the shock insulation support faces a high-frequency or small-amplitude earthquake, due to the existence of the ball body, the damper is matched, and the shock insulation support can quickly respond and do energy dissipation action to reduce the vibration influence caused by the earthquake.

The present invention discloses a combined damper, comprising: a damper body, the damper body comprising an upper steel plate, a lower steel plate, and a combined damping mechanism, the combined damping mechanism being installed between the upper steel plate and the lower steel plate, the combined damping mechanism comprising a shape memory alloy outer ring and a mild steel inner ring, and the mild steel inner ring being installed inside the shape memory alloy outer ring. When an earthquake causes a horizontal displacement of the bridge body and the bridge, the shape memory alloy outer ring and the mild steel inner ring are arranged, and the mild steel inner ring is arranged inside the shape memory alloy outer ring. The plastic deformation of the mild steel inner ring itself may cause residual displacement of the structure, thereby affecting the post-earthquake function and post-earthquake recovery of the structure. The shape memory alloy outer ring can limit the residual deformation of the mild steel inner ring under strong earthquake action, thereby improving the self-resetting ability of the damper and the seismic toughness of the structure. The present invention can dissipate earthquake energy in stages and provide a self-resetting function, thereby limiting the horizontal displacement of the bridge structure and improving the ability of the bridge structure to resist earthquakes.

The invention provides a toughness anti-seismic strengthening device and method for an in-service reinforced concrete pier, belongs to the field of toughness anti-seismic strengthening of bridges, and aims to solve the problem of insufficient anti-seismic capacity of existing dangerous and old bridges. After concrete in a plastic hinge area is removed, an elastic rubber pad is laid on the top face of a bearing platform, then concrete is poured, separation of a pier column and the bearing platform is achieved, then the reconstructed plastic hinge area and the bearing platform are connected in series through prestressed tendons and pressed tightly, and a structural system with the self-resetting capacity is formed. When an earthquake occurs, the longitudinal bars in the in-service reinforced concrete pier can be used as energy dissipation parts to dissipate earthquake energy; and the prestressed tendons can provide strong restoring force for the whole reinforcing system by virtue of the high elasticity, so that the residual displacement of the pier can be effectively reduced, and even the pier is basically rebounded to the original position after an earthquake. If the stress of the prestressed tendons is lost or yielded after an earthquake, the functions of the bridge can be quickly recovered only by opening the sealing plates and performing supplementary tensioning or replacement on the prestressed tendons, and the anti-seismic toughness is improved.

The utility model provides a kind of building underground space earthquake energy conversion and utilization device, including box, magnetic fluid, spring, balloon, inflation pump and annular permanent magnet, the top of the box is equipped with spiral pipe, the spiral pipe inner cavity is communicated with the box inner cavity, the spiral pipe is covered into the annular permanent magnet, the bottom of the box is connected with the upper end of spring, the lower end of spring is fixed in building underground space, the box is filled with the magnetic fluid, the balloon is located in the inner cavity of the box, the gas inlet of the balloon is communicated with the outlet of the inflation pump, the lower part of the box is equipped with electrode for leading out induced current, and an operating method of the building underground space earthquake energy conversion and utilization device is provided.The utility model has low cost, high efficiency, green environmental protection and certain self-regulating function.

The present application relates to a kind of energy station elasticity promotion planning method and system considering post-earthquake data center response, the method includes the following steps: obtaining energy station preset parameter, establish the fault model of multiple energy stations under earthquake disaster;Based on the constraint condition containing post-earthquake energy station load shedding upper limit constraint and data center internal temperature constraint, construct the energy station elasticity promotion planning model considering post-earthquake data center response characteristics, the data center response characteristics include data center energy consumption characteristics, waste heat recovery characteristics and energy space-time adjustable characteristics;The energy station elasticity promotion planning model is solved, and the sizing scheme of the energy equipment of multiple energy stations is obtained, and the planning scheme of energy interconnection pipeline between energy station.Compared with prior art, the present application has the advantages of reducing the disaster recovery capacity of energy station to deal with earthquake disaster, improving energy station planning economy and the like.

The utility model discloses a fabricated steel plate recycled concrete composite wall with energy dissipation and shock absorption functions, which comprises a steel frame, the top end of the steel frame is connected with an upper wall body, the bottom end of the steel frame is connected with a lower wall body, and an energy dissipation layer unit is arranged between the upper wall body and the lower wall body. According to the assembly type steel plate recycled concrete composite wall with the energy dissipation and shock absorption functions, the wall body is modularized, manufacturing and transportation are facilitated, and meanwhile the hoisting difficulty in the construction process is lowered. The energy dissipation layer is arranged between the wall bodies, and when a small and medium-sized earthquake occurs, the energy dissipation layer support is squeezed and shaken with the soft steel rings, the springs and the SMA rods through the mass blocks to absorb earthquake energy; after a large earthquake occurs, the two sides of the wall body bear the gravity load of the main wall body, the energy consumption layer can assist in cushioning conveniently, if the energy consumption layer is damaged in the earthquake, the energy consumption layer can be detached and replaced again, and sufficient time is provided for maintenance and first-aid repair of workers.