Development of light-weight precast concrete wall panel product with adding high density foam sheet for thermal insulation

Abstract

The objectives of this research are to study the production, to find the proper ratio, to test the physical, mechanical properties, and thermal conductivity, to suggest the implementation, and to transfer the technology of light-weight precast concrete wall panel product with adding high density foam sheet. The light-weight precast concrete wall panel product was produced by covering the foam sheet with steel, pouring the mortar (M3 ratio which was proper ratio), and curing the light-weight precast concrete wall panel product. From the testing results followed the TIS.2226-2548 and TIS.878- 2537, the general characteristic of light-weight precast concrete wall panel product was perfect. The properties of light-weight precast concrete wall panel product include 17.81 MPa of compressive strength, no bending when installed in common behavior, 11.38% of water absorption, passed in type1 of hardness and impact test, 956.03 kg/m3 of density, 9.18 MPa of bending strength, and 0.170 watt/m.K of thermal insulation. This light-weight precast concrete wall panel product can use as the thermal insulation wall in building. Moreover, the developing product can apply to register the petty patent.