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首页> 外文期刊>Tunnelling and underground space technology >Experimental study on surface settlements induced by sequential excavation of two parallel tunnels in drained granular soil
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Experimental study on surface settlements induced by sequential excavation of two parallel tunnels in drained granular soil

机译：排水颗粒土中两条平行隧道的开挖诱发地表沉降的试验研究。

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In this paper, twin tunnelling-induced surface settlements in drained granular soils were studied using 1 g physical models. A mechanical device was developed to achieve the simulation of a sequential twin-tunnelling process. The centre to centre spacing S between the two tunnels and the magnitude of the tunnel volume loss V-t were the two main variables considered in the experimental study. The relative difference between the settlements observed in the two tunnel events was presented in detail in terms of parameters including the maximum surface settlement S-max trough width i, and soil volume loss V-s, whereby the twin-tunnel interaction and its effect on the surface settlements due to the second tunnel in drained soils were made clear.
机译：在本文中，使用1 g物理模型研究了排水状颗粒土壤中双隧道诱导的表面沉降。开发了一种机械设备来实现对连续双隧道工艺的仿真。两个隧道之间的中心距S和隧道体积损失V-t的大小是实验研究中考虑的两个主要变量。在两个隧道事件中观察到的沉降之间的相对差异通过包括最大地面沉降S-max槽宽i和土壤体积损失Vs在内的参数进行了详细介绍，从而实现了双隧道相互作用及其对地面的影响排水渠中第二条隧道造成的沉降已明确。

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