Search

From the compression test of steel fiber recycled mortar porous brick masonry, it was researched the effects of different amounts of steel fiber and recycled fine aggregate on compressive strength, failure morphology, elastic modulus, stress-strain law and Poisson's ratio performance. The test value is compared with the calculation formula of ordinary mortar porous brick given in GB 50003-2011.The test showed that the steel fiber recycled mortar porous brick masonry had better compressive strength and deformability.

This paper studies on the stability capacity of E-glass fiber reinforced polymer (GFRP) tubes under axial compression in order to get the formula, which can be applied to structure design. Firstly, on the basis of test data, finite element analysis is carried out and initial geometric imperfection is considered in the models. Then, it's proved that edge-failure criterion is suitable for stability analysis of GFRP slender components by comparison of results derived from several classic formulas. Finally, a modified Perry-Robertson stability formula is proposed so as to ascertain corresponding stability coefficients for GFRP tubes with different slenderness ratio.

This paper studies on the technical and economic analysis of fiber reinforced polymer (FRP) substation framework. Firstly, based on the comparison of the material performance and price, we select the suitable fiber and resin as the main building material for substation framework. Then on the basis of numerical simulation, the bearing capacity of FRP substation truss-column under axial compression and bending is researched, and the initial geometric imperfection is considered in the models. Finally, the behavior of the typical two-span FRP gantry of substation is analyzed, and the economy of FRP substation framework is compared with the steel gantry which owns the same capability.