??????：???? ?????? ?????????? ?????? ????? ???????? ???? ?????????? ?????? ? ??????? ??????????? ???????? ??? ??????????? ????????? ???? ???? ????? ??.

???? ?????? ?????? ?????? ????????? ????? ??? ??, ?? ????????, ???? ??? ???? ??????? ????????? ???? ??? ????? ??. ????? ????????, ?????????

Raw Materials Used in Aggregates

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

???????

???????, ?? ??????????? ?????? ????, ???? ?????? ?????????? ????????? ???????? ????? ??. ?????? ???????? ???? ???? ????? ?????? ?????????? ???? ?????? ????? ??? ??, ??????? ???? 100 ?? 300 ?????????? (MPa) ?????? ??? ??. ???? ?????-???????? ???? ??? ?? ???? ????, ????????? ???????????? ?????????? ??? ???????????? ?????, ???? ????? ???????? ??????????? ???? ??? ??. ???? ??? ???, ??????? ????? ??? ?????? ??? ??????? ??? ??, ?? ???????? ????????? ???? ???? ?????? ???? ????? ??, ?????? ??? ????? ??? ??. `

basalt

????

????, ?? ????? ????? ?? ????????? ???????? ??????????? ????? ??, ?? ????????? ???? ?????? ?????????? ????? ??, ??? ????? ?? ??????????? ????? ?? ?????? ????????? ??? ??? ??. ?????? ?????? ?????????? ???????? ???????? ???????? ???? ??? ??? ??, ??? ????? ?????? ????? ??????? ???? ?? ?? ??? ????? ??? ??. ???? ????? ???, ????, ?????? ??? ???? ??????? ?????? ?????? ????? ??, ???? ???????? ???? ??? ??. ????????? ??????? ??? ??????, ?????? ?????? ?????-???????? ???? ?????? ??????? ??? ??? ?? ?? ??? ???? ??????? ????? ??, ??? ?? ?????-?????? ???????? ??? ????

Limestone

????????

????????, ?? ?????? ?????????, ?? ????? ???????? ???? ??? ?? ?? ???? ???? ???? ????? ??. ????????? ????????, ?????????? ??? ?????? ??????, ???????? ????????? ???? ??? ???? ??? ??. ???? ?????? ????? 200 MPa ????? ??? ??? ??, ?? ???? ????? ??? ???? ??? ? ????????? ????? ??. ?????????? ???? ??????? ???? ???? ????? ???? ????? ?????? ???? ??? ?? ??, ???? ??????? ???? ???? ??????????? ??????? ??? ?????? ???? ????????? ??? ??? ??. ? ??????????? ???????? ???? ???? ???? ???????? ??? ?????????? ???? ?????????? ???? ????? ????? ??.

Granite

???????????

???????????, ?? ??????????? ??? ?? ?????? ??????? ???????????????? ???? ???? ??? ????????? ???? ??, ???? ??????? ?????? ??? ??????? ???? ??? ???????? ??. ?????? 300 MPa ????? ????? ?????? ????? ??????, ??????????? ????????? ?????????? ?????? ???? ????? ????????? ?? ??. ???? ???, ???????? ?????? ???? ?????, ???????? ????? ??? ??????? ??????? ??? ????????? ????? ??. ??????????? ????????? ????? ??? ???? ??? ??????? ??? ??, ?? ??? ?????????? ???? ????? ?? ???? ????-???????? ????????? ???? ??? ??, ??? ?? ??????? ????

Quartzite
????? ??:?????? ????? ????????? ?????? ??? ?????

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

??????????, ?? ???????? ???? ???????????? ?????? ???? ??????? ????? ?? ??? ?????? ???? ???????? ??, ?? ?? ?? ?????????? ????????? ??????? ??. ???????????? ?????? ??? ???????? ????? ???? ??????? ????????? ?????? ??? ?????? ?? ???? ???? ??. ??????? ????, ???????????? ???? ????????? ????? 20 ?? 250 MPa ?????? ??? ??. ???? ???????? ?????? ??????????? ???? ?????? ??? ??? ??? ??, ?? ??????? ?????????? ??????? ??? ?????????? ??? ??? ??. ????, ?????????? ????????? ???? ????? ??????????? ?????? ??? ?? `

Sandstone

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

??????? ????????? ?? ??-???????, ??????? ?????? ?????, ???? ???? ?????? ???? ??? ????? ???? ?????????? ????? ????? ??. ????? ????? ??? ???????????? ???, ??????? ?????? ??????? ???????? ??? ??????? ?????? ???? ?????? ?????? ???? ????? ????? ??? ???? ??. ?? ???? ?????????? ???????? ??????? ??, ???? ???? ?? ?? ?? ???? ??? ??????? ???? ??????????? ??? ??? ?? ??? ?? ????? ????????? ????????? ????? ??? ??. ??????? ?????? ????? ???? ?????? ??? ?????? ??? ??, ????? ??????? ????????????? ???????? ?????? ?????? ?????????? ??? ??????, ?????????? ??????????? ??????? ??? ????????? ??????? ????? ??.

slag

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

?????????? ??????? ???????? (RCA) ???? ??????? ????????? ?????? ????????? ????? ????????? ??? ??. ?????? ?????????? ?????? ?????? ?????, RCA ?????? ??????????? ??????? ??? ?????????? ???? ???? ???? ??? ??? ??. RCA ?? ???????? ??? ????????? ??????? ?? ?????? ??? ??, ????? ????? ????????? ??? ???????? ???????? ????, ???? ????? ???????????? ????? ??? ???? ??, ??? ?? ??? ?????????? ??? ?????, ??-??? ????, ??? ?????? ????????, ?????? ????????????? ????????? ?????? ????? ??? ??????? ?????????? ????? ??? ???? ??. RCA ?? ????? ?????? ?????? ???? ?????????? ??????? ?? ???? ?????? ?????? ?? ??? ???? ????? ??????? ????? ?????? ?????? ??? ?? ??? ??.

Recycled Concrete Aggregate

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

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

?????????→???? ?????? ??? ?????→??? ??? ??→????→???????? ????????

???? ?????? ????? ????????? ???????? ??? ??????? ?????????? ?????? ??????? ????? ??????? ?????????? ?????? ???? ??. ???? ? ?????? ??????????? ??????? ????? ??????? ????? ??:

aggregates production processes

1. ?????????

??????? ??? ????????? ????? ?????? ???? ?????? ????????? ??. ? ???????????? ?????? ????? ?? ??? ??:

  • ??????: ???? ????? ??? ???? ???? ??? ????, ???? ???? ?????? ??????? `
  • ???????? : ????? ????? ???? ?????????? ???? ??? ?????? ?????? ????, ?????? ?????? ?????????? ??????? ???? ???? ???? ???????? ????????? ????? ??????? ??? ??.

2. ???? ??? ?????

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

  • ??????: ???? ???????? ???? ?????????? ?????????? ??? ??, ?? ????? ???? ???????? ???? ???? ??. ??????? ??? ?????? ????? ????????? ????? ?????? ???? ???????, ?????? ???? ??????? ??? ????? ???? ??????? ???? ????? ???????? ???? ?????????? ????? ??????? ??? ??.
  • ??????????: ???? ?????? ???, ????????? ????? ???? ??????? ??? ???? ???? ????? ???? ???? ??????? ??? ??. ? ??????? ??? ?? ?? ???? ??? ????? ?????????? ???? ??? ???????? ????????? ????? ??? ??.

3. ????

???? ? ?? ?????????? ????? ??, ??? ????? ???? ??? ?????? ????, ????, ???? ??? ??? ???? ???????? ??? ???? ????. ? ????????? ???? ????? ???????? ?????? ?? ??? ???????? ????????????? ??????? ???? ??? ???? ????? ??????? ??? ??.

4. ????? ?????

????????? ????? ???, ???? ????? ???????? ????? ???? ??????? ???? ????? ??????? ??? ??. ????? ???????? ?????? ?????????? ??

5. ???????? ????????

???????? ???????? ? ?? ?????????? ????? ?? ???? ????? ???????????????. ????? ???????? ??????? ??? ?? ???? ????? ??? ?? ???? ??? ???????? ????? ??? ?????????? ????? ???. ??????? ??????????? ????? ??:

  • ???????? ????????: ???? ????? ????? ???? ??????? ????????? ??? ??.
  • ??????? ??????? ??? ????: ???? ????? ???? ??? ???? ???? ?????? ???? ??.
  • ??? ?????? ????? ???????: ???? ????? ?????? ??? ?????????? ????????? ??? ??.
  • ????? ???????: ???? ????? ?????? ??? ????-?????? ??????????? ????????? ??? ??.

???? ???? ???? ?????? ???? ??????? ????? ??, ?????? ?????? ????? ???????? ??? ??????????? ?? ?? ????? ????????? ???????? ??? ????????????? ???????? ??? ??. ??????????, ????, ??? ????????? ?????? ???? ???????? ??-???????? ??? ????? ????? ???? ???? ??????? ????, ???? ????????? ?????? ????? ?????? ?? ???? ???? ??, ????? ??????? ??????????? ?????? ?????????, ????????, ????? ??? ?????????? ???????? ??????? ??? ??. ? ??????, ? ???? ????????? ???? ?????? ?????????, ????? ???? ??????, ?????, ????, ?...