??????????：????????? ???? ???? ????????? ?????? ???? ?????? ???? ???, ?????? ???????? ??????? ??? ???????? ?????, ????????? ????? ??? ??? ??? ?????? ??? ??? ??????????? ??????? ?????? ?????? ????? ??? ?? ????????, ?????? ?????? ???? ???? ?????????? ????? ??? ??? ?????????? ??????? ???????

????? ??????????? ?? ???

?????? ????????? ???? ??? ??????? ?????? ??? ??? ????：

????????? ????: 5 ???? ???? ?? ?????? ?????? ???????, ?? ????????? ??????? (???? ?????? ????????) ??????? ???? ???, ?? ????????? ???? ??? ????

??????? ????：????, ??? ?????????? ???? ????? ?????? ????????? ???????, ?? 4.7 ???? ???? ?? ??? ????? ?????? ??????? ????????? ???? ???? ??? ????????? ?????? ???? ???, ?????? ??? ??? ???????????? ??????? ??????????? ????

Natural sand vs Manufactured sand

??????? ????? ??????????

1. ??????? ????? ????? ??? ????? ??? ????? ???? ????? ??????? ?????? ??????? ???? ????????? ?????? ?????? ??????? ????? ?????? ?????????, ?????????????? ??? ??????????????? ??????? ???, ??? ????????? ???????? ???????? ???? ?????? ????? ??? ?????????? ??? ????????? ??????????? ??????? ???? ????, ?? ???? ????? ??????? ??? ??????? ?????????????? ?????? ????

2. ???? ????? ????? ??????? ???????? ?? ?????? ???????? ?????? ??? ???? ???, ??? ??????? ?????? ???? ??? ??? ????? ????? ????, ??? ?????? ?????? ???? ????? ??????? ????????? ??? ?????????????? ???????? ???? ??????? ??????? ??? ?????

3. ??????? ????? ???????? ???? ???? ??????? ???? ???? ????? ??? ?????, ??? ????????? ??? ????????, ???? ??? ?????? ????????? ?????? ?????? ??????? ?????? ???? ??? ???? ????????????aggregates ??????? ??? ??????????????? ????, ?? ???? ???????? ?????? ?????? ?????? ??? ??, ??? ???????? ??????? ????????????????? ?????? ????? ????

4. ??? ????? ??????? ???? ??? ?????????? ????? ????? ?????? ??????? ????, ????????? ??????????? ?????? ????? ????? ??? ???? ???? ??? ??????? ????????? ??? ??????? ????? ??? ???? ?????

?????? ??????? ???? ???? ??????

(1) ?????????? ????????

?? ????? ????? ?????? ???? ???? ??????? ??????? ??? ???? ??? ????? ?????? ???? ???????? ???? ?????????? ???? ???? ????????? ????????????? ??????, ????:

1. ??????? ????? ???? ????????????? ????? ?????? ??? ????????? ????????????? ????? ??? ??? ????????? ???????? ????????aggregates ????????? ???????????? ?? ??????? ??? ???? ??, ????????, ???? ??? ??? ??? ?????? ??????? ??? ?????

2. ???: ???? ???? ???? ??????? ??? ??? ?????????? ???? ???? ??? ????? ????? ??????? ???? ???????? ???? ?????? ?????

3. ????? ???? ?? ???????????? ???? ????? ???????? ????? ???? ???????? ???????? ????? ????, ????? ???????? ??? ??? ?????? ???? ????

??????? ????? ???? ?????? ????????: ???????, ????????, ????????, ???????, ????????????, ???? ??????, ??????????, ????????, ???, ???????, ????????, ???? ?????; ????????? ??????, ??????, ??????? ???????, ???????? ????????? ??? ??????? ????? ??? ???????? ???????? ???????

(2) ?????? ??????????

????? ???? ????? ?????? ???????????? ?????????? ?????????? ???????? ?????? ??? ???? ????: ???? ???? → ??? ???? → ???????? ???? → ??????? ???? → ????? → ???????? ?????? → ????? ???? ????? ??????, ???? ???????? ?????????? ?? ???? ?????? ????????? ???? ????? ?????? ???? ???? ?????? ??? ??? ??? ???? 4.75 ???? ?? ???

production process of manufactured sand

(3) ???? ???? ??????????? ????????

???? ?????? ?????????? ????? ???????, ???? ????? ???????????? "???? ????? ???? ?????", "????? ????? ???? ?????" ??? "???? ????? ???? ?????" ????? ?????? ??? ????; ?????????? ?????? ???????, ??? "???????? ???? ????" ??? "??????? ???? ????" ? ?????? ??? ????; ????? ????????, ????? "???? ????? ???? ????" ??? "???????-????? ???? ????" ? ?????? ??? ???? ?????

???? ????? ???? ???? ??????? ??????? ??? ???????? ?????????? ???? ??????? ??? ??? ???? ???? ????, ?? ??????????? ???? ?????? ????? ???? ????, ??? ??????? ????? ????? ?????? ??? ???????? ?? ????? ???????? ???? ????? ????? ???? ??????? ??????? ??????? ????? ???? ???????? ???? ??????? ???? ??????? ????? ??? ????? ???, ?????? ?????????? ?????? ???? ??????????, ??? ????? ????????? ??? ???????????, ??? ?? ?????????? ???? ???????? ???? ???? ????????????? ???????