Abstract:A novel design and preparation method for pore structure/functional integration for concrete (SFIC) was explored by bringing in a kind of large particle size spherical SAP (super absorbent polymer). The internal pore structure of concrete was controlled by the design of spherical SAP, thus a variety of new functions was achieved. The performance and function mechanism under different pore structures were investigated. Results indicate that the decrease of internal relative humidity is slowed down significantly and the later strength development of concrete is promoted, by bringing in large numbers of spherical SAP. The spherical SAP lefts spherical pores in the concrete, and thus the heat insulation performance (thermal conductivity 0.316W/(m·K)) and noise reduction performance (noise reduction coefficient 0348) are achieved. Moreover, the spherical SAP affects the mechanical properties of the concrete significantly.