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???????? ??????? ????? ?? ???????? ???????????? ???? ?? ????????, ?????? ??????? ???? ????????? ???? ?? ???? ?????? ??????? ?????? ????? ?? ????? ?????? ?? ???, ? ???? ??????? ????? ?? ?????.
??? ????? ????? ????? ?????, ?????? ????? ???? ???????? ??? ????? 6 ????? ??? ??????? ??:
1. ????????? ???????? ???? (???? ???? ??) ?????.
???? ????????????? ???? ???????? ???????????? ?????? ???, ??????? ?????? ????? ????? ???????????? ??? ?????? ?????? ?????? ????. ??? ??? ?????? ?????? ???? ?? ??? ?? ??? ?????????? ???????? ?????? ????? ??? ???? ???? ???? ?????. ????????? ??? ??????????? ??? ??????? ???????, ???? ???????? ????????? ??, ???? ??? ?? ???? ???? ???? ?? ???, ???? ???? ???? ??.
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2. ??????? ????? ???????? ????????
?????? ?????? ???? ????? ???????????? ??? ???????? ???? ????? ???? ??, ?? ??? ??????, ??? ??????, ??? ???????? ??????????????? ?? ??? ?????? ?? ?? ????? ???????? ??. ???? ??????? ?? ?????? ??????????????? ????, ??? ???????? ???? ?? ?????? ????? ???????? ????????? ??? ??????? ??, ?????? ?????? ?? ?? ?? ????? ?????????? ???????? ???? ?? ?????.
?????? ???, ????? ????????? ???? ?? ???? ??? ??? ?????????? ??? ??? ????? ???? ??, ????? ??? ?????? ??? ?? ??? ??? ?????? ??????? ???? ??.
3. ????? ???????? ????? ?????
??????? ?????????, ?????? ???? ??? ????????? ???????????? ????? ??. ???? ???????????? ???????? ?????????????? ???????? ???? ???????? ?????? ??? ?????, ???????? ?????? ???????? ???? ????? ?????.
4. ????? ??????? ???? ??? ?????
????? ????????? ???? ???? ????, ??????-?? ?? ???-???? ??? ??? ??????, ???-??? ?? ????-???… ????????????, ?????? ???? ??? ????????? ??????-?? ?????? ??????? ????? ????? ??????? ??? ???, ???-???? ????? ???????? ????? ??, ????? ????-??? ?????? ???? ??? ????????? ????? ?????? ????? ??.
5. ????? ????????
1) ????????????, ?????? ???? ??? ????? ???? ???????? 350 ??.??. ? ??? ??? ???? ?????????? ?? 320 MPa ? ??? ??? ?????? ???????? ???, ????????? ???, ??????????, ??????? ?? ????? ???.
????????? ??? ??? ???? ???? ??????????? ?????????? ????? ????? ??????? ??? (???????? ??? ???????? ?? ???? ???????? ??? ????? ???), ?? ????? ????? ??? ???????? ????? ???? ???? ??.
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3) ?????????? ?????? ???? ??? ???? ???, ?????? ????? ??????? ?????? ??????? ???? ?? ???, ???? ????? ?? ????????? ???? ??. ???????, ??? ?????????? ???? ???? ??? ?????? ???? ?????; ?? ????? ???????? ????? ??? ????. ???????? ?????? ???????? ????? ?????? ????????????? ????, ???? ???? ???????? ??? ????? ??? ????.
6. ???? ???????? ?? ????????? ?????????
????? ??????????? ???? ??? ????, ?????????????? ?????? ????? ??????? ??????????????? ??????? ?????? ?????? ??? ???? ???, ?? ?? ??? ?????.
????????? ???, ????? ?????? ??? ?? ??? ???? ???? ???? ?????? ??? ?????? ???, ??? ????? ?? ??? 6 ????? ????? ????? ?? ????? ???????? ??????????? ?????? ????? ?????. ??????????? ?????? ????????????? ??????? ??????????? ????. ????? ?????? ????? ?????? ?????. ????? ????? ?????? ????????? ??? ?????. ?????? ???????? ??????? ????? ?? ????????? ???? ?????.
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