A system for damping vibration of a tower structure at a selected one or more natural frequencies of the tower structure. The system includes a tank assembly with one or more tanks, and a fluid positioned in the tank to a preselected depth above a floor. The tank includes wall(s) defining an average travelling distance of a wave through the fluid initiated by the vibration of the tower structure at the natural frequency. The system includes one or more inserts located on the floor in the tank for damping movement of the fluid. The preselected depth and the average travelling distance are selected so that the fluid is movable at the selected natural frequency and out of phase with the vibration of the tower structure, to dampen the vibration of the tower structure at the selected natural frequency.

A multi-story building is described, and includes a vertical support core disposed on a foundation, and a plurality of floor plates disposed on the vertical support core in a stacked arrangement. A plurality of sensors are disposed to monitor the vertical support core and the plurality of floor plates. A controller is in communication with the plurality of sensors, and includes a memory device including an instruction set that is executable to determine baseline inputs for the plurality of sensors, dynamically monitor in-use inputs for the plurality of sensors, evaluate the multi-story building based upon the baseline inputs and the in-use inputs from the plurality of sensors and communicate the evaluation to a second controller.

A structural assembly and a structural bracing system including the structural assembly are presented. The structural assembly includes Belleville disks and shape memory alloy (SMA) rods with nonlinear elastic behavior (e.g., Nitinol rods) to resist lateral force. Stacked Belleville disks are placed between plates resulting in nonlinear elastic behavior in compression. Shape memory alloy rods are placed at the corners of the plates and held by nuts at the exterior faces of the plates. The rods are loose when a compression load is applied to the plates and will work in tension when a tensile load is applied to the plates. A shaft (e.g., steel tube) is placed at the center of the Belleville disks to stabilize the assembly. Addition of the assembly with nonlinear elastic behavior in both tension and compression loadings to a structural bracing system improves the structural behavior of the bracing system.

A friction damper for attenuating vibrations of a structure. The friction damper includes a first connecting member configured to be attached to a first member of the structure, a second connecting member configured to be attached to a second member of the structure, a first slotted-bar interconnected between the first connecting member and the second connecting member, and a second slotted-bar interconnected between the first connecting member and the second connecting member. The first slotted-bar and the second-slotted bar are configured to allow horizontal and vertical movements of the first connecting member and the second connecting member relative to each other responsive to vibration of the structure.

A stabilization system for a building includes a stabilization assembly configured to couple to a floor structure of a building. The stabilization assembly includes a track defining a track path, a weight slidably coupled to the track, and an actuator configured to move the weight along the track path.

A system to protect tall building from earthquake giving a garbage treatment plant as bonus with the said system comprising of an large inertial mass formed of unconsolidated matter being one of biomass and one of garbage and with the inertial mass being connected to the protected tall building, the inertial mass is held by main retaining structure and absorbs and damps earthquake waves and reduces stress on the structural frame of the adjoining building. The resulting garbage storage and treatment not only solves the garbage problem of a city but also yields useful by products namely biogas and compost with the garbage being treated by aerobic and anaerobic processes along with use of micro organisms that tolerate high pressures. This is a method of building smart cities in a sustainable manner by the smart use of material being waste material or otherwise in a cost effective manner.

The invention relates to a building (1), in particular a multistory building,

which has a supporting structure (5), and a facade (3) which is operatively connected to the supporting structure and exposed to the wind, wherein the facade (3) has a plurality of facade elements (7), wherein the facade elements (7) are designed to move relative to the supporting structure (5) in reaction to a torsion of the supporting structure (5). It is proposed that at least some facade elements (7) are operatively connected to a number of dampers (13), wherein the dampers (13) are designed to damp a movement of the facade elements (7) relative to the supporting structure (5).

The present invention relates to a damping system that utilizes a space between an inner building and a stair chamber installed outside the inner building to control vibration of an earthquake applied to a building or a building structure, and more particularly, to a damping system utilizing a space between a stair chamber and an inner building, which is installed in a building structure including the inner building and the stair chamber to damp a transverse force due to seismic waves.

Described and shown are passive variable stiffness devices, which are of compact design and configured to produce a restoring force that varies optimally with the isolator displacement when subjected to vibration-inducing loading.

A novel power generation type electromagnetic damping tuned mass damper comprises a connecting plate, a supporting guide rail fixed to the connecting plate, an mass block, a mounting assembly fixed to the mass block and a power generation type electromagnetic damping mechanism mounted on the mounting assembly. The power generation type electromagnetic damping mechanism comprises a power generation type electromagnetic damping assembly mounted on the mounting assembly, a roller rotatably mounted on the mounting assembly, a driving wheel mounted on the roller, a driven wheel mounted at an output end of the power generation type electromagnetic damping assembly and a conveyor belt sleeved on the driving wheel and the driven wheel; the roller is mounted on the supporting guide rail in a rolling manner, and the rotating centers of the roller and the driving wheel are the same and the roller and the driving wheel rotate synchronously.