Protective Buildings/Shelters TRIZ Cases

Sliding T-shaped beams and elastic springs dissipate vibration energy, mitigating structural damage from seismic loads on transmission towers.

Fuse members yield at a predetermined load limit to prevent damping element damage during extreme lateral loads.

Segmented elongate members rotate to absorb external forces, resolving positioning constraints while reducing structural damage risk.

A modular shelter disguised as a file cabinet uses AR500 armor plates and castors for mobile ballistic protection.

A rocker frame assembly uses rotary yield units to dissipate seismic energy through controlled flexure.

A link-fuse joint accommodates plate slippage through diagonal slots to maintain structural integrity during seismic events.

A resilient bearing uses angled elastic limbs to absorb seismic energy through compressive, tensile, and shear deformation.

Segmentation and dynamics principles enable occupants to hide inside a disguised shelter while maintaining ballistic protection against intruders.

Friction dampers dissipate seismic energy into heat, reducing accelerations and base reactions in steel buildings.

A composite material reinforcement device disperses shear forces and negative moments in box-type concrete structures.

Rippled steel plates straighten under load to resist downward movement and prevent progressive collapse in steel frames.

Shape memory alloy sliders enable automatic recentering after seismic events, resolving the trade-off between reliability and system complexity.

Power generation type electromagnetic damping tuned mass damper converts mechanical force into electromagnetic force between a stator and rotor.

Curable composition penetrates cementitious material to form a hardened termite-resistant barrier.

An air-film damping system reduces vibrational mobility and acoustic noise in aircraft windows by utilizing a gaseous medium between panes.

Sliding elasto-plastic damper consumes energy from dropped structures to prevent vertical impulsive vibrations and structural breakage during earthquakes.

Relocating diagonal bars to the joint simplifies construction while increasing shear force capacity by 50%.

A seismic damping system uses a sliding plate and washer to reduce inertial forces, resisting wind uplift without complex installations.

Gear-driven tuned mass damper amplifies inertial force to reduce vibration without adding excessive structural weight.

A flood barrier panel secures to U-shaped channels using lock pins and gaskets to create a watertight seal against low-level flooding.

A support structure identifies seismic isolators needing pullout countermeasures using a specific load formula.

Bolted L-shaped fuses replaceable within telescopic braces resolve disassembly bottlenecks.

A shear friction damper uses slotted bolts to allow horizontal sliding between support bodies and friction plates.

Segmented rubber layers reduce vertical rigidity in the isolator, enabling effective vibration-seismic dual control for high-rise buildings.

Nested core modules and resilient compression units dissipate seismic kinetic energy through adjustable stiffness, reducing building plastic deformation.

Rolling annular wedge hinge joints constrain relative linear displacement in second-order scissor dampers.

A negative stiffness device uses a compressed spring and rotational linkage to amplify lateral force for seismic protection.

Base isolators and sliding mechanisms decouple rigid stair connections to reduce seismic force transmission.

Hydraulic oil pressure systems regulate damping forces to distribute building equilibrium, eliminating wind-induced vibrations and component fatigue.

A self-centering cable uses disc springs for restoring force and mild steel members for energy dissipation.

A steel buckling-restrained brace assembly confines a yielding core between web plates to prevent structural failure.

Plate reinforcing members interpose core ends to boost yield strength while eliminating complex multi-layer structures that raise manufacturing costs.

Segmented core members with parallel tensioning elements double elongation capacity, resolving insufficient stretch limits in short seismic braces.

A direction-adjustable bolted spherical joint uses a segmented threaded barrel and cap to clamp connecting rods, providing tensile capacity and compression resistance.

A perimeter-mounted damping apparatus uses tensioned cables to resist structural extension forces during relative motion.

Active beam joint brace applies counter forces via sensors and solenoids to reduce building sway during earthquakes.

Segmented panels and nesting joints resolve the trade-off between ballistic reliability and storage weight.

Curved U-plates on a cylinder eliminate strain concentration, extending useful life while absorbing seismic energy.

Integrated bullet resistant walls and defense slots resolve the contradiction between ballistic protection and defensive capability.

Segmented panels with integrated beam channels span the doorframe to prevent water infiltration while reducing installation effort.

Replacing rigid panels, the flexible membrane delivers shear capacity and water resistance, reducing weight and installation complexity.

Slotted bars and spherical elements attenuate seismic vibrations while reducing maintenance costs from plate degradation.

Segmented tarp, foam, and anchors protect buildings from hurricanes without complex power needs.

Segmented rail members and uplift restraint members reduce inertial forces while preventing vertical displacement during seismic events.

A deformable fiber rope anchored in sockets acts as a backup restraint for building components.