| 摘要 |
PURPOSE: A method for designing a tunnel blasting pattern is provided to form a blasting pattern for objectively and rapidly representing various situations in a tunnel blasting work. CONSTITUTION: A section shape of a tunnel to be blasted is decided and a tunnel section is decided by inputting a variable corresponding to the selected tunnel section. After a center cut shape is selected, the data of a tunnel spot is inputted in a tunnel data base and the data of a used gunpowder is inputted in a gunpowder data base. The data of a used torpedo is inputted in a torpedo data base. Each inputted data is operated with an input parameter in a suggested equation to blast a tunnel. An output parameter directly used in a tunnel blasting pattern design is outputted. Lastly, a position of a blasting hole is designated and the uses of the gunpowder and the torpedo are decided based on the decided design parameter.
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