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广东省乳阳林业局经过无产阶级文化大革命和批林批孔运动,端正了办企业的方向,实行“两参一改三结合”,不断提高林区道路的设计和施工的技术水平,大力推广干砌片石挡土墙。乳阳林业局每年修筑运材公路10公里左右,需要设置很多挡土墙,一般占总投资的10-15%。过去,不管水泥、沙石材料的来源与运输多么困难,都要搞浆砌挡土墙。推广干砌片石挡土墙以后,可以就地取材,大大加快了工程进度,同时,可
After the proletarian cultural revolution and the bidding and bidding for the hole movement, the Rudong Forestry Bureau of Guangdong Province has taken the direction of running enterprises and practiced the principle of “changing the combination of the two parties and the third one” to continuously improve the technical level of the design and construction of roads in the forest area and vigorously promoted Dry block stone retaining wall. The construction of Yunyang Forestry Bureau every year about 10 km highway, need to set a lot of retaining walls, the general investment of 10-15%. In the past, no matter how difficult the sources and transportation of cement and gravel materials were, masonry retaining walls were made. After the promotion of dry-rock stone retaining wall, can be drawn locally, greatly speeding up the progress of the project, at the same time,