????? ????? ?????? ?????? ??????? ????? ?????? ????? ???????? ??????? ?????? ?????? HDPE. ????? ????? ???????? ??? ?????? ???? ??????? ?????? ?? ???? ????? ????????. ?? ??? ?? ??????? ?????? ?? ???? ?????? ????? ?????? ???????? ??????? ?????? ??????: 1. ???? ???????? ?????? ???????: ???? ??????? ???? ? ?? ????? ???? ???? ????? ????? ????? 3 ? ? ?? ?? ??????? ??? ????? ??? ??? ???? (???? ????? / ??? ????). ?????? ????????: ????? ?????? (SN) = ???? ????? (N) ??? ??????? (?) / ????? ?????? (?) 2. ????? ???????? (????? ??? ????? ??????) ????? ????? ?? ???? ???? 300 ?? ?? ??????? ?????? ??????? (??? ??? ??? ??????? ???? ????). ????: ??? ??? ????? ???????? ??????? 6 ????? ? ????? 30 ?? ?????. ??? ?????? ?????? ?????? ??? ??????? ??????? ???? ???????? ???????? ???????????. ???? ?? ?????? ???? ??????? ?? ???? ??????? (?? ?????? ??????? ??? ?????????). ???? ??? ??????? ???? ????? ??? ???????? ? ??? ???? ????? ?????? ???? ???? ????? ????? 10 ?? / ????? (???? ?? ??? ????????). ???? ???? ???????. ????? ??? ??? ????? ????? * * 3 ? * * (??? ????? ?????? 200 ?? ? ??????? ??? 194 ??) ? ???? ?????. ????? ???? ??? ?????? ?????? ??????? ???? ????? ?? ??? ????? (??????: N). ????: ???? ????? 5000N. ??? ??????? ????? ?????? ?? ?????? ????? ????? ??????: plaintextSN = 5000N 0.3m / (0.03200mm) 2 = 50000.3 / (6mm) 2 = 1500/0.0000 36 = 41666667N / m 2 41.67kN / m 2 (?? SN41.67) ??????? ??????: ????? ??????? ??????? ??????? ? ???? ??? ????? SN41.67 ??? SN40 ?? SN42.5. 3. ?????????? (?? ?????? ??????) ??? ?? ???? ??????? "??????" ??? ?? ???? ??? ????? ??????? ??? ?????? ? ???? ?????? ??? ??? ??? ??? ???????. ?? ???? ?? ???? ???? ???? ?? ???????? ??? ??????? ???????? ????????? ??????? (???? ???? ????? ??? ?????? ??????). ?????? ????????? ?????? ??? ?????? ?? ???? ????? ?????? ??? 232 ???? ????? (????? ??????? ???? ?? ????? ??????? ??? ???? ?????????). ???? ??????? ????? ????? ?? ?????? ??????? ????? ???????? (??? ?????? ??? ???? ??? ????). ??? ?? ???? ??????? "?????". ??? ????? ???? ????? ???? ????? ???????. ??? ???? ????? ? ?????? ??????? ????? ? ???? ???? ????? ? ?????? ??????? ??????. 4. ?????? ??????? ???????? ??????? ??????: GB / T 9647-2015 "???????? ??????????? ???????? ? ????? ????? ??????" ????? ??????: ????? ?????? ??????? ??????? ??????? (??? Hubei AD Building Materials) ?????? ?????? ?????? ?? ??? ???? ? ????? ???? ???? ?????? ?????? ?? ???. 5. ????? ????? ?????? AD HDPE ?????? ?????? ??????? ? ?????? ????? ??????: ??? ????? ??????? ??????? ?? ???? ?? ???????? ? ?????? ?????? ?????? ?????? ?? 99.8 ?. ???? ??????: ????? ?????? ????? ?? ?????? SN4 ??? SN16 ?????? ?????????? ???????? ???????? ????????? ????????? ??? ??? ???. ??????? ???????: ????? ?????? ??????? ?????? ????? ?????? ??????? ??????? ??? ????? ??????.

??????? ?????: Hubei AD Building Materials Co. ? Ltd. ???? ?????? ??????: 173-9998-9993 ?????? ??????: www.cengdai.cn

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