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河北省石南德线栾城、赵县段曾利用毛竹和块砖,作为砌拱撑架,新建了几座砖拱涵。完成后,经检查拱圈质量良好,造价也低,可供今后修砌砖拱涵的参考。 1.修建经过施工时,因公路两旁土壤被洪水久浸,土壤含水量过大,不易夯实,故无法在边沟取土作土牛拱胎。如从棉田取干土,又嫌运距过远,且有损棉田,极不经济。于是在该段李长群同志和承做砖拱涵的农业社社员们的商议下,决利用尚未砌筑涵洞翼墙和涵洞漫
Luancheng, Shek Nunde line in Hebei Province, Zhao County section has used bamboo and brick, as a puzzle arch frame, a few new brick arch culvert. Upon completion, after checking the quality of the arch ring, the cost is low, for future reference arch brick repair brick. 1. After construction, the soil along both sides of the road is flooded for a long time and the soil moisture content is too large to be solidified. Therefore, soil can not be borrowed in the ditches to make soil oxen. If we take dry soil from the cotton fields and find it too far away from the earth and damage cotton fields, it is extremely uneconomical. So in the paragraph, Comrade Li Changqun and Cheng Hsiao arch culvert members of the Agricultural Society members of the negotiations, the use of unfinished culvert wall and culvert