Dam (English spelling)
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A dam is a dike-like structure built to prevent the collapse or spillage of waste rock and slag from being accumulated in a mine. It is usually called a tailings dam or simply a dam. The law requires that waste rock, slag, and sediment discharged from ore-dressing plants, crushing plants, smelting plants, etc. be deposited in a tailings dam with retaining walls, dikes, drainage facilities, etc. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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鉱山で堆積された捨石や鉱滓などが，崩壊したり流出したりするのを防止するために設けられる堤状の構築物。普通鉱滓ダム，あるいは単にダムと呼んでいる。選鉱場，砕鉱場，精錬場などから排出される捨石，鉱滓，沈殿物などは，擁壁，扞止堤，排水施設などをもつ堆積場に堆積することが法律によって義務づけられている。
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