1·Based on research on the behavior of precasted pile and grouted at pile bottom, the behavior of boring pile grouted at pile bottom is studied further.
在桩底灌浆预制桩承载性能的研究基础上，进一步研究桩底灌浆钻孔灌注桩的承载性能。
2·The paper introduces the precasted interlocking bricks and the essentials for protecting river levee's slope with the bricks and bricks paving methods.
介绍联锁式预制混凝土砖块，防护河堤边坡及铺设方法注意要点。