通过细致的理论分析，笔者初步找出了圆拱状断面隧道拱壁支承力传递的基本规律。
Through analysis on theory, the author finds the basic regularity in transmitting the supporting force by the arch supporting force of tunnel with circular arch section.
他们立即在拱壁下放建立了二号营地，而且攀登者想出了应付陡峭大岩壁的解决方法。
They established Camp 2 immediately below the buttress, and the climbers set about solving the problem of the steep rock wall above.
隧道型公共设施的声环境，可以使用大量具有高吸声系数的吸声构造，铺设于隧道拱壁及轨道铺面，以降低混响时间及噪声。
The reverberation time and noise level of tunnel-typed public works can be reduced by adding large amount of acoustical structure with high absorptive coefficient.
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