??????? ??????? ???? ????? ????? ????? ?? ??? ?????? ??? ???????? ????????? ????? ???????? ????? ???? ?????? ???? ????? ?? ?????? ??? ?????? ??? ????? ????? ??? ?????? . ??? ???????? ?? ?????? ????? ???????? ??????? ??????? ????? ????? ???? ???? ?? ????? ??????? ??????? ??????.
???? ??????? ?? ??????? ?????? ??? ?????? ????? ???? ?????? ???????? ??? ???? ??????. ????? ??? ???????? ??????? ??? ????????? ????? ???? ?? ???? ??? ?????? ??? ???? ???? ????? 11.56? ?? ???????? ????????? ?????????.
???? ??? ??????? ??? ????? ???? ??? ???????? ?? ???? ??????? ?????? ??? ?????? ????? ???? ?? ????????.
????? ??? ?????? ???????? ?? ?????? ??? ???????
??? ?? ??????? ?????? ??? ?????? ????? ????? ???? ??? ???? ????. ????? ????? ???? ???????? ???? ??????? ????? ?? ???????? ??? ?? ???????? ??????? ?????. ????? ?????? ?????? ?? ???? ????? ??? ???????? ???? ?????? ????? ?? ????? ????? ???? ????? ?? ?????? ???????? ????? ???? ???????.
????? ???????:
?????? 1 ????? ??? ???????? ??????????? ??? ?????? ??? ?????? ?????? ????? ????? ??? ??? ??? ????. ???? ?? ????? ????? ?????? ????? ??????.
???? ????? ?????? ??? ??????? ?? ???? ?????????? ???????? ???????? ??? ??????? ???????? ????? ????? ????? ??????????.
?????? 2 ????????? ?????? ????? ????????? ???????? ???? ???????? ?????? ?????????? ?????? ???? ????????? ????? ?????? ??????.
- ????? ?????????: ?? ???? ??????? ?????? ?????? ????? ???????? ? ????? ????? ???? ????????? ?????? ?????????? ?????? ????? ????????.
- ????? ??????????: ????? ??? ?????? ?????? ?????? ?? ????? ??? ???????? ?????????? ?????????? ????? ???????????? ??? ??????? ???? ???????? ?????. ???? ????? ????? ??? ??? ?? ?????? ??????.
??? ?????? ?????? ?? ??? ?? ?????? ?????? ?? ????? ????? ?????? ???? ????? ???????. ??? ???????? ???? ??????? ?????? ??????? ???? ??? 0.7-2.2? ?????? ??? ?????.
?????? 3 ??? ????????? ??? ????? ??????? ?? ??? ?????? ?????? ????? ???? ???? ?? ?????? ?? ??????? ???????? ????? ??? ?????? ??? ????.
???? ?????? ???????? ??????? ??????? ??????? ????? ?????? ??????? ???? ??? ??? ????? ????????.
- ?????? ???? ????? ??? ?????? : ??? ????????? ??????? ????? ??????? ??? ???? ????? ????? ?????? ?????.
- ??????? ????????? : ???? ????? ?????? ??????? ????? ?????? ???????? ?????.
??? ????? ?????? ????? ?????? ???? ??????? ????? ?????. ?? ?????? ?????? ????????? ??????? ?????? ????????? ?????:
???? ???
- ??????? : ??????? ??????????? ??????. ????? ?????? ?? ???? ??? ???????.
- ?????? : (1) ?????? ?????? : ??? ????? ?? ??? ?????? ?????? ?????? ??????? . ?? ?????? ????? ????? ????? ????????? ?? 3.1-3.3? ?????? ????? ????? ??? ?? 10.0%. ??????? ???? ?????? ??????? ????? ??????? ?? 1.5-2.0 ????? ????? 70%. (2) ?????? ?????: ??? ???? 5-25 ??.
- ?????? ??????? : ?????? ???????? ???????? ????? ?????? ???.
- ???? ????? : ???? ????? ????? ???????????? ???? ??????. ???? ????? ????? 28%? ?????? ???? ???????? 0.04%? ???????? ?????? ???????? 1.91%? ????? ????? ??????????? 6.89.
- ????? : ??? ??????? ?????? ????? ???????? ???? ????? ??????? ????? ?? ???????? ???????? ????? ????????.
????? ???? ??????
- ?? ??????? ????? ?????? ????? ???.
- ?? ??????? ????? ??????? ???? ?????? ?????? ????? 70% ????? ????.
- ?? ??????? ?????? ???????? ?????? ????? ???????? ??? ?? ???????.
- ?? ????? ???????? ??? ???? ????? ????? ?????.
- ???? ??? ????? ???? 28 ????? ???? ???????? ??????? ??? 97.63MPa.
?????
??????? ?????? ??? ?????? ?????????? ??? ??????? ?????? ??? ?????? ????? ???? ?????? ???????? ????? ????? ???????? ?????? ??? ??????.
???? ????? ?????? ?????? ??? ??? ?????? ??????? ????? ??? ???? ?? ?????? ???????? ??? ????? ????????? ?????? ?????? ???? ?????? ??? ???????? C50. ????? ??? ????? ?? ???????? ??????? ??????? ???? ?????? ??????? ?????? ????? ??????? ?????? ?????? ???????? ?????? ????????? ???????.