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铁道部于9月21日～25日在广州召开了桥涵顶进施工技术经验交流会,参加会议的有各铁路局、工程局和各勘测设计院等单位代表共80多人,会上,广州局介绍了广琛线正在施工的箱桥顶拉施工技术,上海局介绍了津浦、沪杭十几座箱涵和箱桥顶进的施工经验,并从理论上探讨了气垫法对桥涵顶进的作用,第四工程局介绍了津浦复线特大箱桥(桥跨斜长28.5米,框架长49.3米、净高5.15米)的德州框架立交桥的顶进经验和教训,北京局介绍了牵引法顶桥施工方法,兰州局介绍了15米门式框架立交桥顶进施工经验,郑州、济南等局介绍了桥涵顶进施工中的防水和排水措施,西安局还就桥
Ministry of Railways held a bridge exchange culvert construction technology experience exchange meeting in Guangzhou from September 21 to September 25. A total of more than 80 representatives from various railway administrations, engineering bureau and survey and design institutes attended the meeting. At the meeting, The Bureau introduced the construction of the box cotta roof under construction in Guang-chen. Shanghai Bureau introduced the construction experience of more than a dozen of box culverts and box coffers in Jinpu and Shanghai-Hangzhou. , The Fourth Engineering Bureau introduced the top-notch experience and lessons of the Suzhou Frame Overpass in Jinpu Double-track Bridge with a span of 28.5 meters, a frame length of 49.3 meters and a net height of 5.15 meters. Beijing Bureau introduced the law of traction Bridge construction methods, Lanzhou Bureau introduced the 15-meter portal frame overpass construction experience, Zhengzhou, Jinan and other agencies introduced the construction of the bridge and culvert waterproofing and drainage measures, the Xi’an Bureau also on the bridge