深厚软基复合地基中桩与桩间土的协同作用  

Synergism between Pile and Soil in Deep Soft Foundation Composite Foundation

作　　者：常雷 崔亚涛 刘根[3] Chang Lei;Cui Ya-tao;Liu Gen(Shenzhen houkun soft rock Technology Co.,Ltd.,Shenzhen 51803;Shenzhen Zijingang Damei Decoration Engineering Co.,Ltd.,Shenzhen 518057;CCCC fourth Navigation Engineering Survey and Design Institute Co.,Ltd.,Guangzhou 510230)

机构地区：[1]深圳厚坤软岩科技有限公司,深圳51803 [2]深圳紫金港达美装饰工程有限公司,深圳518057 [3]中交第四航务工程勘察设计院有限公司,广州510230

出　　处：《建筑科学》2020年第S01期211-216,共6页Building Science

摘　　要：深厚软基及高路堤地基处理后,如何使地基工后沉降小(可控)、差异沉降小(可控稳定),如何使整体土高承载力、整体抗水平推力大,如何使大直径刚性复合桩再提高30%~50%的单桩承载力,如何使桩间土与大直径刚性复合桩协同后多发挥出10%~20%的地基承载力,是团队一直在潜心研究、实践、创新之事。团队经过近20年的工程研究实践、验证创立了一套可行、可靠的技术及施工工法,来解决深厚软基中实际遇到的困局。其技术及工法的核心机理就是如何使深厚软基复合地基中桩与桩间土阴阳平衡协同作用达到最大化的效果,使地基工后沉降小(可控)、使差异沉降小(可控稳定),使整体复合地基高承载力、整体抗水平推力大、整体稳定,为投资方节约综合成本20%以上、减少软基出土量50%,使深厚淤泥"废物利用、变废为宝"省钱又环保。After the treatment of deep soft foundation and high emba kment foundation,how to make the post construction settlement small(controllable),differential settlement small(controllable and stable),how to make the overall soil high bearing capacity,the overall horizontal thrust resistance large,how to make the large-diameter rigid composite pile increase the single pile bearing capacity by 30%~50%,how to make the soil between piles and the large-diameter rigid composite pile cooperate to produce 10%~20%of the foundation bearing capacity,is the team I have been devoting myself to research,practice and innovation.After nearly 20 years of engineering research and practice,the team established a set of feasible and reliable technology and construction methods to solve the practical difficulties in deep soft foundation.The core mechanism of its technology and construction method is how to maximize the synergistic effect of the yin-yang balance between piles and soil between piles in the deep soft foundation composite foundation,make the settlement of the foundation small(controllable),make the differential settlement small(controllable stability),make the overall composite foundation high bearing capacity,the overall horizontal thrust resistance large,and the overall stability,save more than 20%of the comprehensive cost for the investor,and reduce the excavation of soft foundation The amount is 50%,which makes the deep sludge"waste utilization,turning waste into treasure"saving money and environmental protection.

关 键 词：深厚软基复合地基 桩与桩间土的协同作用 大直径刚性复合桩 深厚淤泥变废为宝 

分 类 号：TU473.1[建筑科学—结构工程]