List of products by author: T. Koshikawa

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  Environmentally low impact blasting in urban residential area

  Abstract: To reduce the load caused by tunnel blasting on environment, including psychological effects on residents, it is quite effective to reduce the blast vibration and duration of blasting time. At Anei River tunnel project, as the tunnel goes right under the residential area and it goes through stratum of hard granite, it was necessary to carry out blasting excavation, then blasting with low...

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