176 results about "Seismic energy" patented technology

A seismic energy estimation method based on generalized spherical wave propagation, relating to the field of earthquake engineering. The method comprises: determining initial seismic total energy and seismic power on the basis of seismic source characteristics and a seismic magnitude; determining a generalized spherical wave equation, and calculating an average energy flow density of propagated waves on the basis of the wave equation of spherical waves; using an earth surface spherical crown, which is projected on the zone of a seismic source surface, as a main impact zone of seismic spherical waves on an earth surface, the main impact zone being equivalent to a square and performing grid division, and calculating the hypocentral distance between the center of each grid and the center of a seismic source so as to form a hypocentral distance matrix; and expressing the generalized spherical wave energy flow density of each grid as the sum of the energy flow density of longitudinal waves and the energy flow density of transverse waves, performing grid subdivision, estimating the average amplitude of each subdivided grid mass unit within a seismic action period, and evaluating the seismic action energy of a site. The present invention estimates the action of seismic energy on the earth surface by defining the generalized spherical wave propagation of seismic source energy, thereby more accurately evaluating the distribution condition of seismic energy on the earth surface.

Disclosed is a theoretical model constraint and data-driven fusion-based micro-seismic quantitative prediction method, comprising: 1, obtaining original micro-seismic data of a coal mine working face to form an initial sample data set; 2, performing data preprocessing, and dividing into a training set and a test set; 3, constructing a long short-term memory (LSTM) model; 4, sampling historical micro-seismic data for a micro-seismic event quantitative prediction sample; 5, constructing a multi-objective optimization model containing seven sub-objective functions: a micro-seismic time fractal dimension, a micro-seismic space fractal dimension, a micro-seismic energy fractal dimension, a micro-seismic prediction total energy, a micro-seismic reconstruction mining stress, a micro-seismic activity process and a micro-seismic energy-frequency power law b value; and 6, finding an optimal sampling sample to act as a prediction value. By means of the described steps, the present invention achieves theoretical model constraint and data-driven fusion-based micro-seismic event quantitative prediction. The prediction effect is good, and the prediction result can effectively guide on-site production activity process control and implement pressure relief measures and disaster early warning.

The invention provides a seismic isolation structure AMD control system based on the seismic energy storage principle, and relates to the technical field of structural engineering and damping control. The bottom of the building dissipates energy through the shock insulation support and the hydraulic inerter damper, earthquake input is converted into gravitational potential energy, mechanical energy and electric energy, and the energy storage module supplies energy to the active tuned mass damper arranged on the top of the upper structure. The system monitors structural response in real time through the acceleration sensor and the force sensor, the AMD intelligent control unit calculates and outputs control force capable of reducing upper vibration and generating reverse overturning bending moment, and therefore structural vibration is restrained and the shock insulation support is prevented from being pulled under the strong shock working condition, and the overall anti-seismic performance of the shock insulation structure is remarkably improved.

The invention relates to a damping support which comprises a first supporting beam, a second supporting beam and supporting legs. The number of the first supporting beams is two, the two first supporting beams extend in the first direction and are arranged in a spaced mode in the second direction, and the first supporting beams are provided with supporting legs. The second supporting beam is arranged between the two first supporting beams and extends in the second direction. At least one of the first support beam and the second support beam is provided with a hinge section configured to yield when an earthquake acts such that at least one of the first support beam and the second support beam forms a plastic hinge. Shaping energy consumption is carried out through the plastic hinge, input earthquake energy is consumed, meanwhile, the rigidity of the shock absorption support can be reduced through forming of the plastic hinge, the fundamental frequency of the whole structure is reduced, the shock absorption support deviates from the characteristic frequency of a building, frequency decoupling is achieved, the resonance amplification effect is avoided, and earthquake response is reduced. In addition, the overall structure height of the damping support is low, and the damping support can adapt to the indoor environment with strict limitation on the total installation height of equipment.

The present application relates to the high intensity area highway open cut tunnel stress analysis method under the coupling load of earthquake and rockfall, belongs to data processing analysis technical field, including the following steps: introducing disaster phase coupling factor to quantify the superposition relationship of seismic energy and rockfall load pulse; the time-space evolution process of the whole displacement field of open cut tunnel surface and the internal steel strain of open cut tunnel is calculated by using the earthquake rockfall time sequence coupling method, the multi-scale perception of open cut tunnel structure response is obtained; the dynamic coupling analysis algorithm is introduced to solve the structure inertia response caused by earthquake and the local dynamic response caused by rockfall load pulse, the multi-scale dynamic characteristics of high-frequency impact and low-frequency vibration are handled by hybrid integration strategy; the phase difference of earthquake and rockfall is calculated, the time-gravity distribution law of internal structure of open cut tunnel is obtained, and then the weak area of open cut tunnel under the coupling effect of multiple disasters is determined; the beneficial effects of the present application are: the low-frequency structure inertia response caused by earthquake and the high-frequency dynamic response caused by rockfall impact are obtained.

A method is provided for statics correction of seismic data comprising a plurality of traces representing signals recorded by each of a plurality of seismic receivers disposed proximate to an area of Earth's subsurface to be evaluated. The signals are in response to one or more actuations of one or more seismic energy sources. The method includes identifying arrival times of refraction events in each of the plurality of traces. Long wavelength statics components and short wavelength statics components are separated from the arrival times. The separated long wavelength statics components are used as input to a refraction analysis to generate a velocity model of Earth's subsurface.

The invention belongs to the technical field of bridge earthquake resistance, and particularly provides a damping limiting device for a bridge in a high-intensity earthquake area, which comprises a pipe body, one end of the pipe body is provided with an end plate, the other end of the pipe body is slidably connected with a piston end, and the pipe body is provided with a metal energy dissipation element facing the inside of the pipe body. One side, facing the pipe body, of the piston end is connected with a supporting piece, a supporting and blocking part is arranged on the supporting piece, the supporting and blocking part comprises two supporting and blocking parts which are arranged in a spaced mode, and the metal energy dissipation element is located between the two supporting and blocking parts. Under the condition of the same appearance size, the energy dissipation capacity of the device can be greatly improved, the requirements for node arrangement and installation space are reduced, the adaptability to long and narrow spaces such as bridges is good, and the device can be further suitable for seismic reinforcement and transformation of existing bridges with limited installation positions and is particularly suitable for seismic energy dissipation application and popularization in high-intensity seismic areas.

A marine seismic data acquisition system may include first and second containers deployable in a body of water. The first container includes a first seismic data acquisition channel capable of transducing seismic energy in the body of water having a first maximum amplitude, and the second container includes a second seismic data acquisition channel capable of transducing seismic energy in the body of water having a second maximum amplitude. The first seismic data acquisition channel is associated with at least a first seismic sensor, and the second seismic data acquisition channel is associated with at least a second seismic sensor. The second sensor corresponds to a same sensor type as the first seismic sensor, and the first maximum amplitude is higher than the second maximum amplitude.

The invention discloses a rotating steel bar damper of a four-connecting-rod structure. The rotating steel bar damper comprises an outer lug plate, an inner lug plate, an energy dissipation steel bar, a pin shaft and a sleeve. According to the rotating steel bar damper of the four-connecting-rod structure, the damper can deform in any direction in a plane, each pin shaft and the corresponding energy dissipation steel bar surrounding one circle of the pin shaft form a single rotating unit, under the earthquake effect, when the outer lug plate moves in a certain direction, the outer lug plate and the inner lug plate rotate relatively, and therefore the rotating steel bar damper can deform in any direction. The shearing force between the outer lug plate and the inner lug plate is borne by the pin shaft, the bending moment generated by relative rotation of the outer lug plate and the inner lug plate is borne by the energy dissipation steel bar, bending-shearing separation is achieved through the structure, overall plastic deformation of the damper is concentrated on the energy dissipation section of the energy dissipation steel bar, and earthquake energy is dissipated through shearing plastic deformation of the energy dissipation steel bar. And according to the damper, translation deformation is converted into rotation deformation through a four-connecting-rod structure, and the deformation capacity of the metal shearing type damper is improved.

The present application provides an anti-seismic explosion-proof type pry dress refueling device, including a refueling machine, an oil unloading pump and a barrier explosion-proof double-layer oil storage tank, the refueling machine and the oil unloading pump are arranged at one end of the inside of the anti-seismic frame, the outside of the barrier explosion-proof double-layer oil storage tank is arranged in the inside of the anti-seismic frame through a plurality of oil tank anti-seismic units, the bottom surface of the anti-seismic frame is arranged on the top surface of the shock isolation base, the bottom surface of the shock isolation base is arranged on the top surface of the main base in the middle, the outside of the shock isolation base and the top surface of the main base are provided with a protective weir, a plurality of lead core rubber shock isolation supports in the shock isolation base are deformed to isolate a large amount of seismic energy, only a small part of the seismic energy is transmitted to the anti-seismic frame; the remaining seismic energy on the anti-seismic frame is absorbed by the viscous damper in the frame anti-seismic unit; when the anti-seismic frame shakes, the plurality of oil tank anti-seismic units reduce the shaking of the barrier explosion-proof double-layer oil storage tank, thereby further reducing the risk of tank explosion.

The invention discloses a quasi-rectangular frame subway tunnel damping and anti-cracking structure and a construction method thereof.The quasi-rectangular frame subway tunnel is provided with a connecting slope with a certain dip angle between the horizontal top face and the vertical face of the side wall, and the damping and anti-cracking structure comprises a damping layer, a damper and PVA fiber improved secondary lining concrete; the shock absorber comprises a steel spring, a hydraulic damper and correction shock absorbers, the hydraulic damper is sleeved with the steel spring, the correction shock absorbers are arranged on the two sides of the hydraulic damper and jointly hinged to a fixing plate of the primary lining and the secondary lining, and a filling layer between the secondary lining and the primary lining is formed by mixing high-molecular polymer and secondary lining concrete with PVA fibers according to a certain proportion. Under the effects of transverse waves and longitudinal waves of the quasi-rectangular tunnel, when the earthquake action is transmitted to a weak part, the earthquake action is converted into the earthquake action perpendicular to the lining surface through the correction shock absorber, the earthquake energy is absorbed through the hydraulic damper, damage of the earthquake to the tunnel is reduced, the leakage phenomenon of the tunnel is effectively avoided, and the service life of the tunnel is prolonged.

This utility model relates to the field of wall connection technology and discloses an efficient connection device between a BRB (Brick Reinforced Bench) and a secondary structure wall. It includes a channel steel 2C10 and an upper wall of the BRB. A steel frame beam is fixedly connected to the top of the channel steel 2C10, and an embedded part is fixedly connected to the bottom of the channel steel 2C10. A first connecting ear plate is provided on the outer side of the channel steel 2C10, and a tie bar is fixedly connected to the outer side of the first connecting ear plate. Polyurethane foam is provided at the bottom of the upper wall of the BRB. In this utility model, the double-layered channel steel and the tie bar on the connecting ear plate can disperse localized concentrated loads in the wall, effectively transferring these loads to the main structure, reducing stress concentration in the wall. Under seismic action, the tie bar forms an energy dissipation mechanism, helping to dissipate seismic energy and reducing damage to the building wall. The tie bar can also restrain the development of temperature shrinkage cracks, ensuring the durability and safety of the wall, and has significant market and social value.

The utility model belongs to the field of joints of assembly type concrete frames, and particularly relates to a novel prefabricated assembly type concrete frame joint connecting structure which comprises a supporting column, a connecting joint is fixedly arranged on the supporting column in a sleeved mode, and a plurality of fixing bolts are fixedly arranged on the two sides of the connecting joint in a penetrating mode. The other ends of the multiple fixing bolts are fixedly connected with the supporting column, connectors are fixedly installed on the two sides of the connecting joint, multiple limiting grooves are formed in the inner sides of the two connectors, expansion bolts are slidably installed on the inner sides of the multiple limiting grooves, and expansion mechanisms are arranged at the bottom ends of the multiple expansion bolts. Concrete member columns can be connected, connection stability is improved while rapid installation is achieved, the situation that bolts fall off is avoided, friction force can be generated between friction faces when relative tiny displacement is generated between members due to an earthquake due to the friction plates arranged on the joints, and the friction plates are not prone to falling off. And earthquake energy is converted into heat energy to be dissipated.

The invention belongs to the technical field of anti-seismic connection of inorganic glue composite bamboo structures, and relates to an inorganic glue composite bamboo-profile steel combination column-beam connection joint with graded energy consumption and self-resetting functions and an assembly method thereof. Comprising an inorganic glue composite bamboo-section steel combination column, an inorganic glue composite bamboo splicing beam, an energy dissipation steel hoop connecting piece and a beam-column joint connecting steel member. The inorganic glue composite bamboo-section steel combination column is provided with hollow round-corner cross-shaped steel, and the middle of the cross-shaped steel is provided with an extending connecting energy-dissipation steel filling plate which is used for being reliably connected with a joint connecting steel component and an energy-dissipation steel hoop connecting piece. The beam ends of the inorganic glue composite bamboo splicing beams and the energy dissipation steel hoop connecting pieces are connected through bolts to form an integral beam assembly. The energy dissipation steel hoop connecting piece comprises a four-side wrapping steel cap and energy dissipation angle steel, under the action of an earthquake, the energy dissipation angle steel firstly generates yield deformation to form a first-stage energy dissipation mechanism, then the node steel component further generates plastic deformation to form a second-stage energy dissipation mechanism, and therefore a double-energy-dissipation structure system is formed, and earthquake energy is effectively dissipated.

The application discloses a T-shaped section combined shear wall with damage directional control and post-earthquake recoverability, which comprises a wall limb constraint end edge constraint H-shaped steel and a flange wall limb flat steel plate, the flange wall limb flat steel plate is connected with a flange wall limb free end edge constraint H-shaped steel, a web wall limb steel plate is connected with the wall limb constraint end edge constraint H-shaped steel, and the web wall limb steel plate is connected with a web wall limb free end edge constraint H-shaped steel; the web wall limb steel plate comprises a web wall limb upper flat steel plate, a web wall limb lower flat steel plate and a corrugated steel plate; the web wall limb free end edge constraint H-shaped steel comprises a web wall limb free end upper edge constraint H-shaped steel and a web wall limb free end lower edge constraint H-shaped steel; and the application is connected through energy dissipation steel plates; the corrugated steel plate and the energy dissipation steel plate are adopted as core components for improving the recoverability of the seismic performance of the shear wall, and the seismic energy of the embedded flat steel plate and the constraint edge component is effectively dissipated.

The invention discloses a supporting lining for tunnel seismic resistance and shock absorption and a construction method, and belongs to the technical field of tunnel engineering.The supporting lining comprises a primary support and a secondary lining, the primary support comprises a flexible net, a steel arch frame, an elastic anchor rod and a reinforced steel frame, and the secondary lining comprises a conventional lining, a high-strength lining and an elastic lining; a waterproof damping layer is arranged between the primary support and the secondary lining. According to the supporting lining for seismic resistance and shock absorption of the tunnel and the construction method, the elastic lining is arranged in the secondary lining to absorb seismic energy, the high-strength linings are arranged on the two sides, and the reinforced steel frame is arranged on the outer side of the elastic lining, so that the risk caused by deformation of the elastic lining is reduced, and the seismic resistance of the tunnel is improved. And the waterproof shock absorption layer is matched to further absorb local earthquake energy, so that the damage of the earthquake to the tunnel structure is effectively weakened.

This utility model discloses a Z-shaped friction damping column structure with enhanced seismic performance, comprising a Z-shaped friction damping column body, which includes columns on both sides and Z-shaped crossbars between the columns. The top and bottom of the Z-shaped crossbars between the columns are respectively provided with top friction damping diagonal braces and bottom friction damping crossbars. When an earthquake generates a load on the rack in the direction perpendicular to the aisle, and the axial force caused on the base and the bottom and top diagonal braces exceeds the preset friction force, the damper will begin to slide, absorbing or dissipating some of the seismic energy in the form of friction damping. This reduces the probability of damage to rack structural components and goods slippage under seismic conditions, thereby enhancing the overall seismic performance of the industrial rack.

The invention relates to the technical field of bridge earthquake resistance, in particular to a friction type energy consumption limiting device for a bridge in a high-intensity earthquake area. The suction cup assembly communicates with the vacuum pump, an opening of the suction cup assembly faces the first building component, and the first building component is one of the main beam and the pier. One end of the inhaul cable is connected with the suction cup assembly, the other end of the inhaul cable is connected with the second building component, and the second building component is the other one of the main beam and the bridge pier. The technical problems that an existing anti-falling beam device lacks buffering energy dissipation capacity, seismic energy cannot be effectively dissipated, and impact loads borne by a bridge cannot be effectively reduced can be solved.

The utility model belongs to civil engineering technical field discloses a kind of shock insulation support, including support, lower connecting plate and upper connecting plate being respectively arranged in the upper and lower ends of support, the outer surface of support is provided with limit plate unit, is fixedly connected with lower connecting plate, upper connecting plate by connecting piece, limit plate unit is provided with limit magnet and connecting plate in, the connecting plate is fixedly connected between two adjacent limit magnets with support and is arranged, limit plate unit includes lower vertical limit plate and upper vertical limit plate, by "mechanical-magnetic attraction" composite locking design, when support is subjected to vertical tension, limit magnet instantaneously adsorbs connecting plate, forms reliable mechanical connection, effectively resists pullout force, support is vertically alternately composed of rubber gasket and steel plate, can be fully deformed in horizontal direction to dissipate seismic energy;Vertical through the synergistic effect of steel plate and rubber, provide high bearing capacity, adapt to the high vertical load demand of high-rise building.

The utility model proposes a kind of bridge pile foundation reinforcing device, including bottom stake, bearing platform, pier column, the top of bottom stake is fixedly connected with bearing platform, the top of bearing platform is fixedly connected with pier column;Fixedly connected with tie beam between the pier column;The connecting place of bottom stake and bearing platform is fixedly connected with reinforcing sleeve. The utility model has the advantages that reinforcing sleeve and triangular rib plate (thick 10-15mm steel plate welding) are arranged at the connecting place of bearing platform bottom and bottom stake, rib plate extends to 1.5 times pile diameter place below pile top. Rib plate uses Q345B steel plate with pile foundation same level, can realize the purpose of reinforcing effect promotion, rib plate cooperates the design of reinforcing sleeve, can make node bending strength greatly improve, reduces settlement risk. Tie beam is upgraded to energy dissipation component, improves overall seismic capacity. Honeycomb cavity, i. e. multiple honeycomb holes, are formed in tie beam, and high-damping material (such as silica gel particles+rubber particle composite material) is filled in the holes. The purpose of improving damping effect is achieved, and cavity dissipates seismic energy.

The application discloses a self-resetting viscoelastic-friction composite plate damper, which comprises a middle layer plate and a side plate component A, a middle layer inserting component B and a self-resetting system C; the middle layer plate and the side plate component A and the middle layer inserting component B are oppositely arranged; the self-resetting system C is arranged on the middle layer plate and the side plate component A and the middle layer inserting component B; the damper can be directly installed at a frame support, energy consumption is mainly borne by the damper, and the damper has a self-resetting unit; the damper dissipates seismic energy through the joint intervention of Cu friction plate components and vulcanized rubber friction components; and after an earthquake, the structure can be restored to use as soon as possible by replacing the friction plate or the friction component which loses the friction performance.

The invention relates to the technical field of auxiliary equipment of display equipment, and provides a vehicle-mounted display screen anti-seismic energy-absorbing device which comprises a mounting frame, a displayer mounting frame, a vertical sliding fit structure, a transverse sliding fit structure and a wire harness arranging mechanism. A vertical buffer plate is arranged in the mounting frame, and the vertical buffer plate is mounted in the mounting frame through a vertical sliding fit structure; a transverse buffer strip is arranged on the vertical buffer plate, in the embodiment of the invention, the transverse buffer strip generates relative displacement under the guidance of the transverse groove of the vertical buffer plate, and transverse kinetic energy is absorbed through the second buffer; in addition, aiming at front-back inertia force generated by sudden braking or acceleration, the device provides flexible support through a buffer piece arranged on the back, and hard collision between the display backboard and the rigid support is avoided. By means of the multi-stage linkage structural design, the stability of the display screen in all dimensions of the up-down direction, the left-right direction and the front-back direction is ensured.

The invention discloses a novel composite toughening structure and a construction method thereof.The structure is composed of a plurality of composite board sets which are closely arranged in parallel along the outline of an inverted arch, each composite board set is composed of a plurality of composite toughening boards which are spliced in the direction of a tunnel, and each composite toughening board comprises a high-strength polyurethane foam base board and a high-damping toughening rubber block; the high-damping toughening rubber blocks are connected with the high-strength polyurethane foam base plate through the connecting steel bars, the stiffening steel plates are embedded in the high-damping toughening rubber blocks, and the two composite toughening plates are spliced in a sliding mode through a plurality of Z-shaped connecting pieces which are arranged side by side in the left-right direction. And the earthquake damage of the tunnel lining is obviously reduced.

The utility model discloses an anti-seismic energy-saving steel structure, and relates to the technical field of steel structures, the anti-seismic energy-saving steel structure comprises a stand column and a bottom plate, the bottom plate is located under the stand column, mounting holes are formed in four corners of the bottom plate, and connecting blocks are fixedly mounted at two ends of two sides of the middle of the upper end of the bottom plate; the upper ends of the connecting blocks are rotationally connected with transmission rods, and fixed sliding rods are fixedly installed on the two sides of the middle of the lower end of the stand column. When vibration occurs, the stand column can drive the two fixed sliding rods to continuously shake, in the process, the two transmission rods and the two sliding sleeves can be driven to slide back and forth along the fixed sliding rods so that the two transmission rods and the two sliding sleeves can get close to each other or get away from each other, the buffer springs can be contracted or rebounded, and therefore the damping effect is achieved; and four groups of internal dampers are matched, so that shaking force from left and right and up and down can be effectively counteracted, the rigidity of the steel structure is improved under the condition of ensuring shock absorption, the steel structure is prevented from collapsing, and the steel structure has higher safety.

The invention relates to the technical field of wind power generation buildings, and provides a damping self-resetting friction column base joint of a wind power tower. Comprising a steel bottom plate foundation, a swinging friction column base node, a polyethylene coating friction pair and a pre-tightening force control device. The steel bottom plate foundation is fixed on a site, the swing friction column base node is designed to be connected between the wind power tower drum and the steel bottom plate foundation, and the polyethylene coating material is plated on the stepped friction surface and is connected through the galvanized pretightening force control device. Circumferential friction pairs are arranged at the connecting positions of the steel bottom plate foundation and the column feet at equal intervals so as to limit the maximum shearing force and upsetting moment of the connecting positions of the column feet. By means of the characteristic of symmetrical friction connection and the swing self-resetting mechanism, the overall stability of the structure is improved, dissipation of earthquake energy is achieved, meanwhile, self-resetting of the tower drum after an earthquake is achieved by means of the pre-tightening force control device and the gravity action of the structure, and finally a low-damage wind power tower drum structure system is formed.

The invention discloses a construction method for a full-prestressed duct grouting external damper pier. The method comprises the steps that firstly, single-beam sealing prestressed tendon assemblies are prepared, reinforcement frameworks are synchronously arranged, a mold is built, hollow sealing channel pipes are fixed, and prefabricated pier sections with shear keys, key grooves and channel connector reserved structures are formed through pouring maintenance; then butt joint is carried out through shear keys, auxiliary fixing is carried out through positioning pins, segment hoisting is completed, a prestressed tendon assembly is arranged in a penetrating mode, then tensioning is carried out to preset stress, locking is carried out through a sealing anchor plate, and then grouting is carried out on the hollow sealing channel; meanwhile, fixing parts are pre-embedded in the pier prefabricating stage, after the connecting bases are fixed through bolts, the in-vitro energy dissipation dampers are inserted and clamped through buckles to complete assembling, and finally a data acquisition device is connected to a detection opening of each connecting base to acquire stress of the corresponding prestressed tendon assembly and fitting position data of the dampers and the connecting bases. The bridge pier is stable in prestress, efficient in seismic resistance and energy consumption and convenient to construct and maintain, and meanwhile structural sealing performance and operation safety are guaranteed.

A novel tunnel vibration reduction and energy dissipation system utilizing prestressed special vibration-damping anchors comprises several prestressed special vibration-damping anchors, shotcrete walls, and arch frames. Each prestressed special vibration-damping anchor is arranged in a ring within the shotcrete wall, loose surrounding rock, and deep stable surrounding rock. The prestressed special vibration-damping anchor includes a vibration-damping energy-dissipating free section and an anchoring section. The vibration-damping energy-dissipating free section includes the anchor rod body and the vibration-damping energy-dissipating device. This invention is applied to tunnel support and safety assurance after excavation. During tensioning and operation, the anchor vibration-damping energy-dissipating device only serves to anchor and transmit tensile force. During earthquakes, the vibration-damping energy-dissipating device prevents the anchor rod from bending or being crushed out of the soil due to overall compression, while simultaneously dissipating some seismic energy. The anchor rod structure itself has the characteristic of spontaneously changing stiffness with external force and velocity. No monitoring, calculation, or control system is required; it is compact, simple in construction, and easy to install.

This invention discloses a replaceable beam-column seismic joint structure, including a web in the vertical direction, end plates fixedly connected to the left and right ends of the web, flanges horizontally arranged at the upper and lower ends of the web, and a connecting assembly connected to the flanges and the web. The connecting assembly includes a groove in the middle of the upper and lower sides of the web, a connecting shell connected to the groove by a snap-fit ​​body, a receiving groove in the connecting shell, and a rubber block in the receiving groove for filling the receiving groove. The upper and lower sides of the connecting shell contact the web and the flange respectively to achieve large deformation of the joint structure to consume a large amount of external energy. The flange is a corrugated flange. By weakening the connection between the web and the corrugated flange, the plastic hinge of the beam is controlled to move outward to the joint, achieving the design goal of strong joint and weak member. Under seismic action, the plastic hinge rotates, and the good deformation capacity of the corrugated flange and rubber is used to consume seismic energy.

The invention discloses an assembly type buried water tank stand column energy consumption connecting piece which comprises unit formworks, a top cover plate and side plates. The top cover plate and the side plates are formed by splicing the unit formworks. A water tank stand column is arranged between the top cover plate and the raft foundation. The invention relates to an assembly type buried water tank stand column energy consumption connecting piece, which is characterized in that the traditional contact connection between a water tank stand column and a top plate unit template is changed into hinged connection, and meanwhile, the hinged connection between the water tank stand column and a raft foundation is realized by adopting a bolt. Due to the design of up-and-down hinged connection, the integrity of the structure is remarkably enhanced, earthquake energy can be effectively dissipated through elasticoplastic deformation of materials when the structure bears the strong vertical earthquake effect, and therefore the main body structure is protected against damage. A large amount of welding is not needed in the installation process of the water tank, the installation cost is reduced, the construction quality is easier to guarantee, and the water tank has the advantages of being good in anti-seismic integrity and deformability and the like and is suitable for areas with the seismic fortification intensity of 8-9 degrees.

The application provides a building structure anti-seismic energy dissipation damper. The building structure anti-seismic energy dissipation damper comprises a cylinder barrel with silicon oil damping medium arranged inside; a sealing ring arranged at one end of the cylinder barrel; a piston slidingly installed on the inner wall of the cylinder barrel; a throttle hole arranged on the piston; a sealing rubber ring sleeved on the piston; a plunger rod fixedly installed on the piston and slidingly connected with the sealing ring; a spring slidingly sleeved on the plunger rod; a U-shaped connecting plate fixedly installed at one end of the plunger rod and the cylinder barrel; a connecting locking mechanism installed on the U-shaped connecting plate and used for installing the energy dissipation damper; and an installation fixing mechanism arranged on the connecting locking mechanism. The building structure anti-seismic energy dissipation damper has the advantages of convenient installation and dismounting and is suitable for installation surfaces with different installation hole distances.