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在水平勘探坑道中清除岩石是一项繁重的作业。用铲斗式的装岩机清除岩石要有相当大的坑道规格,少于5．1平方公尺的坑道断面是不能采用的。在这样的坑道中照例是用人力装岩。为了使小断面坑道装岩机械化,应该利用电耙。当坑道短而直接有出口通地面时,则岩石可由工作面直接耙至废石场。在较长的坑道中,以及坑道虽短而无直接通地面的出口时,则通过平台将岩石装入矿车中运出。
Removing rock in a horizontal exploration tunnel is a heavy task. Rock excavation with a bucket-type rock loader requires considerable tunnel specifications and tunnel sections of less than 5.1 square meters can not be used. As usual in this tunnel is manpower loaded rock. In order to mechanize the rock with small cross-section tunnels, electric rakes should be used. When the tunnel is short and has direct exit through the ground, then the rock can be directly rake from the face to the waste rock field. In the long tunnel, and the tunnel is short and without direct access to the ground when the exit, then through the platform rock loaded into the car out.