前言中国公路考察团，应瑞士安伯格工程咨询公司的邀请，于1995年6月4日至11日对瑞士的隧道建设情况进行了实地考察。在访期间，现场考察了目前瑞士最长的隧道──19km长的Vereina隧道工程现场和哈格巴赫地下试验场，并了解了瑞土长大隧道建设的前期工作程序等。现就建设中的Ve Foreword The Chinese Highway Investigation Team conducted an on-the-spot investigation of the tunnel construction in Switzerland from June 4 to 11, 1995 at the invitation of Amberg Engineering Consulting Company of Switzerland. During his visit, he visited the longest tunnel in Switzerland - the Vereina tunnel project of 19km in length and the Hagbach underground test site and learned about the preparatory work procedures for the construction of the long tunnel in the latter part of the country. Now on the construction of Ve