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旦架哨隧道北口不稳定高边坡长 2 0 0 m ,最大边坡高 40 m。施工中除用预应力锚索地梁加固外 ,还用护面墙和浆砌片石网格植草防护 ,不仅稳定了滑体还避免了坡面风化。
The unstable north slope of the Danfoshan Post Tunnel is 200 m long and the maximum slope is 40 m high. In addition to the construction of prestressed anchorage ground girder reinforcement, but also with retaining wall and mortar mesh stone planting grass protection, not only stabilizing the sliding body also avoids the slope weathering.