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某露天礦坑下卸料場地由于信號不健全,卸料平臺的擋墻是按68t自卸卡車設立的,一臺108t自卸卡車在往卸料平臺倒車時,司機沒看停車標志,依靠擋墻阻擋,結果汽車越過擋墻,整個汽車掉入卸料平臺,釀成事故,以

作者:煤礦安全網 2018-07-02 11:55 來源:煤礦安全網

某露天礦坑下卸料場地由于信號不健全,卸料平臺的擋墻是按68t自卸卡車設立的,一臺108t自卸卡車在往卸料平臺倒車時,司機沒看停車標志,依靠擋墻阻擋,結果汽車越過擋墻,整個汽車掉入卸料平臺,釀成事故,以上情景說明( A B C )

A.卸料平臺必須設有信號

B. 有倒入卸料平臺的停車標志

C.有可靠的擋車設施。

D.66t 77t 108t自卸卡車用同一高度的擋墻,其高度為0.8-1.2米

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