中文摘要：

水泥的新一代，微生物水泥，响应环境保护的曾经增加的了解被开发了。微生物水泥基于钙碳酸盐的微生物学地导致的降水是新加强材料。这份报纸用微生物水泥证实有约束力的松开的沙粒子的可行性并且详细说明微生物水泥的硬化机制。我们也准备了微生物似水泥的材料(biosandstones ) 。简历沙岩的压缩力量，取决于微生物引起地导致的降水和调停简历的方解石水晶尺寸生产的钙碳酸盐的内容，能直到在 20 天的年龄的 12 MPa。由增加猛抛的方解石内容，简历沙岩的压缩力量和微观结构能被改进。

英文摘要：

A new generation of cement, microbe cement, has been developed in response to the ever increasing awareness of environmental protection. Microbe cement is a new strengthening material based on microbiologically induced precipitation of calcium car- bonate. This paper confirms the feasibility of binding loose sand particles using microbe cement and details the cementation mechanism of microbe cement. We have also prepared microbe cementitious materials （biosandstones）. The compressive strength of the bio-sandstone, which depends on the content of calcium carbonate produced by microbially induced precipitation and the bio-mediated calcite crystal size, could be up to 12 MPa at an age of 20 days. By increasing the precipitated calcite content, the compressive strength and microstructure of bio-sandstone could be improved.