一、概述在本刊1984年第1期上曾刊登“判别湿陷性黄土存在问题”,现就胶济线某涵下沉原因的分析再行论述。为了解涵洞湿陷沉降总量是多少,及进一步了解涵址区域新近堆积黄土的容许承载力、压缩沉降及湿陷沉降等规律性,供指导区域内工程的修建及湿陷沉降处理的参考,曾于1983年4～5月间在现场作浸水荷载试验,试验的 First, an overview In the first issue of 1984 issue of “Discrimination of collapsible loess problems,” is on the Jiaoji line culvert sink a re-analysis of the reasons discussed. In order to understand the total amount of culvert subsidence and how to understand the regularity of newly built loess bearing capacity, compressive subsidence and collapsible settlement in the culvert area for the construction of the guidance area and the reference of collapsible settlement, Had in April to May 1983 at the scene for water load test, test