砂基础密实度现场测定方法  

The mensurating and trial method for the closely knit degree of grit base

作　　者：林东辉 

机构地区：[1]福建三建工程有限公司,361009

出　　处：《福建建筑》2005年第Z1期287-,共1页Fujian Architecture & Construction

摘　　要：利用直径为20mm,长度为1250mm的平头圆钢筋落距为70mm自由下落,量出钢筋插入砂垫层深度,判定砂垫层的密实度是否达到设计要求,以满足地基承载力的要求。The trial method is utilizing falling freely a crew cut round reinforcing bar which has 20mm diameter and 1250mm length from 70mm falling distance, measuring out the reinforcing bar insert sand cushion layers of depth in to judge if the sand closely knit degree of the cushion of layer reach the requirements and meet the request of bearing the weight of the ground base.

关 键 词：密实度 干容重 贯入度 地基承载力 

分 类 号：TU441.4[建筑科学—岩土工程]