沉管夯扩桩在基础设计中的应用分析  

analysis application of Submerged Rammed Pile in Foundation Design

作　　者：郭尚武 

机构地区：[1]机械工业勘察设计研究院有限公司,西安710043

出　　处：《建筑技术开发》2017年第11X期41-42,共2页Building Technology Development

摘　　要：高层建筑的基础设计是结构设计的重要环节,针对不同的地质情况而选择合理的桩型,能充分利用各层土承载力。延安地区的部分地层中在距离地表约10 m左右部位存在强(中)风化岩层,与关中地区的粘性土相比岩层承载力高。采用挤土沉管夯扩桩,可以穿透风化岩层以上较薄的沙砾层,以强(中)风化岩层作为桩端持力层,桩承载力高。The basic design of high-rise building is an important part of structural design.It is reasonable to choose reasonable pile type for different geological conditions, and can make full use of the bearing capacity of each layer.In the part of the Yah＇an area, there is a strong （middle） weathered rock formation at a distance of about lore from the surface, and the bearing capacity of the rock is higher than that of the clay in the Guanzhong area.It can penetrate the thin gravel layer above the weathered rock formation, and use the strong （middle） weathered rock layer as the pile end bearing layer, and the pile bearing capacity is high.

关 键 词：沉管夯扩桩 承载力 土层地质 

分 类 号：TU753.3[建筑科学—建筑技术科学]