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[摘要]
在山区公路建设中常常遇到100 m左右的高边坡,修建的公路一侧是陡峻的高山、另一侧是深沟峡谷或者是江河。治理高边坡常见的方法可以分成柔性防护、刚性防护和直接支挡三类。文中介绍了公路高边坡支挡处治的一种方法——遮挡棚法。遮挡棚是在高边坡的坡脚处修建一个“Z”字形的挡棚。棚下通行公路、棚顶设有填土对边坡滑落的碎石起到缓冲、消能的作用,“Z”字形挡板保证了通行车辆的安全,并将堆积在棚顶的碎石自动卸到山体的另一侧,保证了棚顶的荷载不超出设计荷载。挡棚的下部结构为10 m间距的圆柱与多跨连续刚架梁,车辆通行时无须设
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[Abstract]
In the highway construction in mountain area, there are often high side slopes around 100 metres high; for the highway constructed, one side is precipitous high mountain, the other side is a deep gorge or a river. The common methods for high side slope t
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