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Abstract: Since the 1950’s, tunnels are being built in the Netherlands. Rijkswaterstaat is the client for tunnels in the Dutch national highway network. Over time, both the clients’ role as well as the contractors’ role have changed and with that transition, the responsibilities of both parties and the allocation of project risks have shifted. Technical developments in tunnel installations have led to...
Abstract: In estimating the effect of tunnelling on existing buildings, the value of volume loss, which is often determined by experience, is an important input parameter. This paper proposes a method to predict the volume loss for various cover-to-diameter C/D ratios in case of shallow tunnelling. By applying a number of (empirical) relation, such as the stability number of O’Reilly(1988) and an...