スロット削孔機とブレ-カを用いた硬岩トンネルの無発破掘削工法に関する研究
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概要
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Rock tunnelling in urban area where blasting may not be allowed due to vibration or noise is increasing recently. Under these circumstances, rock tunnel is excavated by newly developed non-blasting tunnelling method with slot drilling machine and hydraulic impact breaker. In this paper, the data obtained during actual tunnel excavation by this method is analyzed to find out how to excavate tunnel by this method more effectively. The conclusion of this study is that the cycle time of tunnelling and the reasonable length of slot can be calculated by the rock conditions like uniaxial compressive strength of rock and joints evaluated it's spacing. Once the cycle time of tunnelling can be determined as above mentioned, the most effective construction method, as to the arrangement of tunnelling equipment and the corresponded construction period, can be schemed.
- 公益社団法人 土木学会の論文
公益社団法人 土木学会 | 論文
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