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?????, ??? ??????? ????????? ???? ???? ?????,现场建设测量数据与地质勘察数据进行比较，以确定不同挖掘部位的相应岩石类型、强度和风化程度，以及是否可以作为准备砂石骨料的原材料，从而从源头选择隧道渣。
然后，在挖掘过程中，对隧道渣进行适当的筛选，例如选择性能良好且强度高的岩石进行砂石骨料的处理。从碎石区、泥浆地层和弱地层挖掘的渣土材料不用于砂石骨料的制备。
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1 ??????????? ????, 1 ??? ?????, 1 ???? ?????, 1 ?????? ??? ????? ??? ?????, 2 ??????????? ???????, 10 ????????? ?????, 1 ??????????? ??????? ??? ?????? ???, 1 ??? ????? ?????? ????, ??? 2 ???????.
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①???????? ???? ?? ????? ???????? ???? 5~10 ?????? ????? ???? ??, ????? 3 ??????????? ?????? ????? ??, ?? 5~10 ????, 10~20 ????, 16~31.5 ?????? ????? ??? ??, ??? ???? ?????? ?????? ???? 4 ???? ???? ???? ??.
????? ???? 4???? (????? ??? ???????), 6???? (?????? ??? ???????), 12???? (?????? ??? ???????), 21???? (?????? ??? ???????), ??? 32???? (????? ??? ???????) ??.
②4???? ????? ?????? ???????????? ????? ????? ??????? ???? ?????? ?????? ???? ??. ???? ?????? ?????? ?????? ??? ?? ?????? ??????? ???? ???? ???? ???????? ?????? ??? (???? ?????? ??? 1200r/min ??) ? ???? ??? ??; ???? ?????? ?????? ?????? ?????? ????? ????? ????? ??????? ?????? ??? ????? ??????? ????????? ????????? ???? ???? ?????? ???.
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③4~6?????? ????? ???? ??????? ???? ?? ???? ??? ??, 5~10?????? ???????? 5 ?????? ?????? ??? ????? ??, 6???? ????? ?????? ????????? ????? ??? 5~10??????? ????? ??, 12?????? ????? ?????? ???????????? ??? 5~10??????? ????? ??, 21?????? ????? ?????? ???????????? ??? 16~31.5??????? ????? ??.
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??????? ??????: 260t/h
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????? ????? ???? ??? ?????: 0-5, 5-10, 10-20, 20-28????
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???? ???????????:? ????????? PLC ???????? ???????? ???? ??, ?? ????? ??????? ?????? ????????? ???????? ??????? ??? ???????? ???? ???? ???? ????? ??. ?????????? ??????? ???????? ????? ??????? ???????????? ??? ??????? ???, ?? ????????? ?????? ?? ??? ???? ??, ?? ??????????? ???? ?????????? ?????? ????? ??.
???? ???:????????? ??? 250,000 ??????? ???? ?????? ??????? ?????? ????? ?????? ????? ??. ?? ????? ???? ????? ???? ??????? ????, ?????? ??????? ???? ????? ?? ???? ???? 280 RMB ?????? ????? ?? ??? ?????? ??????? ???? ????? ?? ??????? ???? 100 RMB ?????? ????? ??, ????? ???? ????? 180 RMB?? ????? ??. ? ??????? ?????? 45 ?????? RMB ????? ???? ?? ??? ?????????? ?????? ?????? ???? ??????? ?? ??? ??.
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