论文部分内容阅读
为贯彻党中央关于召开全国科学大会的精神,促进西南地区公路桥梁建设的发展,西南公路科技情报网于1977年12月在贵州省榕江县召开了西南地区箱型拱桥经验交流会,会议交流了箱型拱桥设计施工经验并就西南地区箱型拱桥的技术问题进行了初步的小结。现将西南地区修建箱型拱桥的主要经验简介如下: 一、西南地区在推广使用无支架吊装双曲拱桥的过程中,通过逐步总结其成功的经验和存在的问题,四川省首先提出了箱型拱的设想,并于1970年试建成功第一座无支架
To implement the spirit of the Central Party Committee on convening a National Science Conference and promote the development of highway and bridge construction in southwest China, the Southwest Highway Science and Technology Intelligence Network held an exchange meeting of box arch bridges in southwest China in December 1977 in Rongjiang County, Guizhou Province. The experience of design and construction of box arch bridge and the preliminary summary of the technical problems of box arch bridge in southwest China. Now the main experience of building box arch bridge in the southwest is as follows: First, in the process of promoting the use of unstirred two-way arch bridge in Southwest China, by gradually summing up its successful experience and existing problems, Sichuan Province first proposed the box type Arches envisaged, and in 1970 built the first successful unsupported