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

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

Raw Materials Used in Aggregates

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

????

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

basalt

???

???, ??? ???? ?????? ????? ??CaCO3, ???? ???? ??? ?????? ???????, ?????? ??????? ??? ??? ????. ??? ??? ????? ?? ??????? ?????? ??????, ?? ?????? ????? ???? ???? ??? ??? 30 ??140 MPa. ????? ???????, ????? ?????? ?????, ??????? ??????? ????? ?????, ????? ?? ???? ?????. ??? ??????, ??? ???? ????? ??????? ?????????? ???????? ???? ???????? ??????? ????? ???, ???? ???? ???-????? ??????.

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. ???? ?????

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

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

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