| To be used as a modern facade of buildings, curtain wall decoration materials commonly should meet the requirements of wind pressure, water leakage, air infiltration, in-plane deformation, heat insulation, waterproof, high temperature, and impact-resistance. Currently the curtain walls made of glass, stone and metal are widely used in practice. These curtain walls have their own advantages, but there are still limitations for each one.Based on the study of mechanical performance of textile reinforced concrete (TRC), the paper proposed the idea of carbon/glass hybrid fiber textile and basalt/glass fiber hybrid textile to make the TRC exterior cladding panels. The textile used in TRC thin plates takes advantages of reinforcing, toughening effect and good integrity. The fine grained concrete used in TRC thin wall has good durability. In this paper, physical and mechanical properties of the fiber materials, fine grained concrete and small TRC thin plates are studied to evaluate the feasibility of using thin-walled structures made of TRC as exterior cladding panels. The main contents include:(1) Analyze the reason for choosing carbon fiber and basalt fiber as TRC exterior cladding panels enhancement materials. Test tensile strength of both fibers with and without epoxy resin impregnated and inspect the surface condition for both fibers through SEM.(2) By means of experiments, the flow properties, flexural strength, compressive strength and shrinkage properties for a high-performance fine grained concrete are studied. And0.09%polypropylene (PP) fiber was added into one kind of the concrete to research the optimization effect ofthePP fiber.(3) According to previous studies, the thickness of the panel, method to cloth nets, thickness of the protection layer and fiber surface treatment are decided. And the bending performance of small TRC thin plates is studied.(4) The high temperature performance of the small TRC thin plates and the failure patterns are studied. Simulated fire conditions are taken to test small TRC thin plates. The impact of fiber materials, type of concrete and temperature on damage modal are studied. The high temperature resistance of small TRC thin plates is evaluated. |
