An energy dissipation device includes a primary core module, a housing module, first and second outer plates, an energy dissipation unit, first and second preload tension members and a resilient compression unit when the primary core module and the housing module are subjected to an external force, the first and second preload tension members stretched by the external force, and the resilient compression unit is compressed, such that relative movement between the primary core module and the housing module is generated. The energy dissipation unit generates a retarding force during the relative movement between the primary core module and the housing module, so as to dissipate the kinetic energy generated as a result of the external force.

A sliding seismic isolator includes a first plate attached to a building support, and at least one elongate element extending from the first plate. The seismic isolator also includes a second plate. The first and second plates are capable of moving relative to one another along a horizontal plane. The seismic isolator also includes a lower support member attached to the second plate, with a biasing arrangement positioned within the lower support member. The elongate element(s) extend from the first plate at least partially into the lower support member, and movement of the elongate element(s) is influenced or controlled by the biasing arrangement. The seismic isolator also includes a damping structure with closed ends spaced apart from the first plate and the base of the seismic isolator. The damping structure is configured to contain a substance, such as a liquid, gas, silicone, and/or a combination thereof, and to expand longitudinally when it is compressed.

A damper includes a vibration energy buffering transfer unit and a vibration energy dissipation unit. The vibration energy buffering transfer unit includes a plurality of piston transfer structures and connecting tubes, the piston transfer structures includes a cylinder and a piston arranged as a pair, the plurality of piston transfer structures surrounding the vibration energy dissipation unit, the connecting tubes inter-connecting the plurality of cylinders, the vibration energy dissipation unit includes a damping liquid accommodating cavity and damping liquid accommodated in the damping solution accommodating cavity, and one end of the cylinder or the piston being connected to the damping fluid accommodating cavity. The load-bearing enclosing structure provided with said damper can effectively suppress vibration.

A structure having limited supportable portions has been difficult to isolate from vibration in the direction in which a load is applied. A base isolation apparatus includes a Z-axis base isolation unit, an X-axis base isolation unit, and a Y-axis base isolation unit. The base isolation unit includes a vibration-source connector, an isolated-object connector, a lock device disposed between the isolated-object connector and the vibration-source connector for switching between a state of fixing the isolated-object connector and a state of making it movable, a distance recovery device for generating a force to cause an amount of change in distance to approach zero, depending on the amount of change, and a vibration damper for generating a force in an orientation of hindering the change, depending on the rate of change in distance.

A bottom corner damper with a displacement amplification function and a fabricated type shear wall with rocking energy dissipation are provided. The fabricated type shear wall with rocking energy dissipation is composed of a precast shear wall, upper connecting plates, middle connecting plates, lower connecting plates, bent steel plates, bolts, upper support arms, lower support arms, connectors, lead screws, cylinder barrels, viscous fluids, and propellers. A fabricated type shear wall structure, where novel dampers with displacement amplification and steering functions are installed at weak parts of the bottom of the shear wall, the novel dampers are composed of bending energy dissipation dampers, displacement amplification and steering devices and viscous energy dissipation dampers, and the novel dampers have the functions of amplifying the displacement and converting force in a vertical direction of the structure into force in a horizontal direction for transmission.

An energy dissipation device includes a primary core module, a housing module, first and second outer plates, an energy dissipation unit, first and second preload tension members and a resilient compression unit. When the primary core module and the housing module are subjected to an external force, the first and second preload tension members stretched by the external force, and the resilient compression unit is compressed, such that relative movement between the primary core module and the housing module is generated. The energy dissipation unit generates a retarding force during the relative movement between the primary core module and the housing module, so as to dissipate the kinetic energy generated as a result of the external force.

A floating-type base isolation system includes: a liquid storage portion storing liquid; a floating structure floated and arranged on the liquid; and a gas accommodation space formed at a position in contact with the liquid and accommodating gas. A volume of the gas accommodation space is set based on a natural frequency of a system that responds to a seismic wave propagating in fluid including the liquid and the gas.

A construction steel platform system using a tuned liquid damper (TLD) and a tuned mass damper (TMD) for composite tuned damping is provided. According to the construction steel platform system using a TLD and a TMD for composite tuned damping, a composite damper is composed of the TLD and the TMD overlapping each other, and a construction steel platform is placed above the double dampers. By adjusting a hole diameter of a partition plate in the TLD, a liquid level in a water tank, a stiffness of a spring at an edge of a friction support and mass of materials of a top of the steel platform, the whole steel platform system can achieve composite tuned damping. The TLD and the TMD can be flexibly combined in series or in parallel according to requirements of actual wind and earthquake loads.

The disclosure relates to the technical field of building structure engineering, in particular to a longitudinal seam caulking and monitoring restore device and a longitudinal seam caulking restore method. The longitudinal seam caulking and monitoring restore device includes: a first panel, on which a plurality of guide seats are arranged; a second panel, which is arranged to be opposite to the first panel; stranded wires, which are wound on the guide seats, wherein first ends of the stranded wires are connected to stranded wire end seats, the stranded wire end seats are fixedly connected to the second panel, second ends of the stranded wires extend out of a space between the second panel and the first panel and are connected to fastening devices, and the fastening devices are capable of tightening and releasing the stranded wires; a plurality of elastic components, wherein the elastic components are arranged between the first panel and the second panel, first ends of the elastic components are fixedly connected to the first panel, and second ends of the elastic components are fixedly connected to the second panel; and two groups of air columns, wherein a connection line of one group of air columns intersects another connection line of the other group of air columns to form a cross, each group of the air columns includes at least two air columns.

The invention relates to a damping arrangement (100) for a cable (102) extending in a tensioned manner from an anchorage (108), said damping arrangement (100) comprising a rigid damping action transfer device (112) which is positively connected to the cable (102) at a predetermined distance (L1) from said anchorage (108), and at least one damping device (110) extending in a damping manner between said damping action transfer device (112) and a constructional element (106) rigidly connected to said anchorage (108), and connected to said damping action transfer device (112) at a further predetermined distance (L2) from said anchorage (108), said further predetermined distance (L2) being shorter than said predetermined distance (L1).