Wind-induced aerodynamic instability for closed membrane roofs;

Parametric resonance analysis of closed membrane roofs;

With light mass,small stiffness and low natural vibration frequency,membrane roofs are sensitive to wind.

Steel-concrete composite shell roofs (Comshell roofs) are formed by pouring concrete on a thin stiffened steel base shell which serves as both the permanent formwork and the tensile steel reinforcement.

The research on the frangible fly through diaphragm cover for the missile launch canister is one part of the work to reduce the weight of missile transport facility.

Hoisting technique of 24 m thin walled house roof structure;