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A method for construction of large underground spaces based on a new pre-supporting system is introduced. In this paper Mansour Station , in Line 1 of Tabriz Metro (Tabriz Urban Railway Organization, TURO); Iran has been studied using this method. Mansour Station have some special characteristics...
One of the most crucial parameters for successful grouting is to ensure that the grout can penetrate the necessary apertures. For the most commonly used grout, cementitious grout, the available methods for determining the ability to penetrate apertures involves several measurements with different...
This article gives a brief account of a project which was commissioned by the European Parliament and which has resulted in a report which has been published and is available on the web-site of the European Parliament (Beard, A.N., Cope, D., 2008. Assessment of the Safety of Tunnels. Commissioned...
Fast and precise measurement of tunnel profile is needed when identifying the safety of a tunnel, especially for tunnels still under service. The profile-image method has accordingly been proposed by Wang et al. (2009) . This method, utilizing a laser-lit profile taken in an image to find the 3-D...