GBT 17431.1-1998 轻集料及其试验方法 第1部分 轻集料.pdf

GB/T 17431.1?1998 ? ?à ??1 ±?±ê ??? ?? JC/T 785- 81(96)??·? ú ?? ?? ?? ?? ??? ?·??JC/T 786-81 (96)??? ?? ???? ?? ??? ?·?? JC/T 787-81(96)????? ???? ????? ?·,JC/T 788-81(96)???ì ??á???? ?·,JC/T 789-81(96)???á ?????? ?é·?·¨ ?·?° JC 487--92?????á????????? ?·?? JC/T 541- 94((×??ú ????á?? ?? ?·?? 7??±ê??????? ?? 1 ??±ê? ?????? ?ó±ê?????? ?????á ?????°?????é·?·¨ ?·??±ê? ??????·?×é?? ???? 1?? ·???á???? ???? 2??·? ??á???????é ·?·¨ ?? ±? ±ê??? ?? 1??·????? JC/T 785^788- 81(96???° JC 487- 92??JC/T 541- 94?? 6??±ê ??? ?à?ê?? ??ù?? ???????? ???ù?? ?? ???????? ??? ??·¨ ????????????? ?ú 80?ê?ú ??????????±ê????????? ??? ?? ?ú?? ??à ±ê???±à??·?·¨ ?à??? ????±? ???? ?°? ?á???????±à?? ??????????????? ?÷?? ???????±à?? ·?? ?????±ê???ò???? ???ú??????±ê???? ?????ü ??ò?· ??????? ±?±ê? ???ú???¨???? ???¤????á ???? ±? ±ê??????????? λ ?????ú?¨??????? ????¨???¤???????°?? ??????ù ???ú???¨???? ???¤???±ê? ???? ???ù ?? ±?±ê??? ????????λ ?????÷??¨?? ????? ???è ??? ???? ?ú??????? ?¨????? ????? ??????ó? ???? ??????¤??? ? ?????? ???¨??????? ??? ?????? ??¨?è????? ??? ?????? ?ê?????? ????? ????? ??±±?? ???÷???????¨???? ??? ±?±ê??÷????? ?? ???¨???é ?????? ·????? ???? ???? ±ó ???? ???? ?????í?? ???????? ???ò ?? ?????????? ?? ?? ?? ?? ?? ?? ?? ?ú ?ú ?? ±ê ? ?á ?? ?? ?° ?? ?? ?é ·? ·¨ ?? 1 ?? ·? ?? ?á ?? ?? GB/T 17431??1? 1998 Lightweight aggregates and its test methods -Part 1??Lightweight aggregates ·?Χ ±?±ê????¨ r?á???????¨????·??à ????????ó ?????é·? ·¨ ???ì?é ???ò???ú?????? ????·????????? ?? ±?±ê??? ????????¨???¤???ì?? ?????? ???ú?á???? ???÷? °ü?¨? ?????? ????????? ??·?ú?????? ???? ???????ü???ò???ó?ü?é ??ú ?ü?? ×??ú??????á????????????? ????????á?????????????? ?? ????±ê ? ????±ê??ù°ü ???????? ???????±?±ê??????????????±?±ê ??? ???? ??±?±ê???°?? ???ù?°?±??ù ???Ч ???ù??±ê????á±????? ??? ??±?±ê????÷·?????? ?? ????±ê?×???°?±????????? ?? GB 6763-1988 ?¨?? ?????????????·??ü·?????????????±ê? GB 9196- 1986 ???¤?·??ü?¨???????ú?·?????????????±ê? GB/T 17431.2-1998 ?á?????°?????é ·?·¨ ?? 2??·? ???á?? ?????é ·?·¨ JG J51- 199?? ?á?????ì ?????? ?????? ?¨?? ±?±ê????? ?????¨ ???? ?? ?á???? ???????????ó?? 1 100 kg/m?°???á?? ?????????????????ó?? 1 200 kg/m?????á???????×??? ?? 2 ??????? ????? ??·??????????÷???? ???????¤???? ??????????????? ???ì?á???? ?? 3 ??????? ?????????? ??°???????÷?????????é ???·? ???ò·? ????? ??????????????????ì?á???? ?? 4 ·?ú ?????? ??·?ú ????÷???? ???? ???¤???ò ?????á?ò???? ?????? ????¤ ?·????á?????? 5 ??? ???±? ·?????????????? ???é??à?×??? ???? ???é???·??????? ????ì??á?????? 6 ????ü ???±? ·??? ???? ?????ú?ü???à?×????é?é ???????é ???·???????????ì??á ???? ?? ?? ú?ü ú???????????ó???à?×???ü ???????é???·????? ????????¤?·????á?????? 8 ×??ú??? ?ú???????? ???à???? 1998?07?15?ú? 1999?02?01?? cB/T 17431??1? 1998 ??ú???ú???????? ????ú??? ???????? ??×???????é ???·???????????¤?·????á?????? 3.9 ?ò???ó?ü?é ??????????ó?ü???? ????????¤?????¤??????????¤?·????á???? ?? 3.10 ???á???? ???????????ó?? 500 kg/m????±??????ò?á??±????????á???????? 3.11 ????á???? ?????????ó?? 510 kg/m3???á???????? 3.12 ????á???? ???±ê????С?? 25 MPa???á?????á?? ???? ?? 4 ·??à?????? 4.1 ·??à °???????·?? ?? a)???á???? ?? b)????á???? ?? c??????á?????? 4.2 ???? °????????±ê·?? ?? a????????¨A); b????? ??¨B); c?????? ??¨c). 5 ??????ó 5.1 ???????? 5.1.?? ?÷???á???????????????·???±í 1????ó ???????ì?á????????×??ó?????????ó?? 20. 0 mm, 5.1.2 ?á????????????????? 2.3-4.0·? Χ???? ±í 1 ???????? ±à ?? ?á???????à ?????à±? ?????? ????mm ?÷???????????à?¨°????????????? ??×??????mm 40.0 31.5 20.0 16.0 10.0 5.00 2.50 1.25 0.630 0.315 0. 160 1 ? ???? 0^-5 0 0^-10 0^-35 20-6030^-8065^9075^-IOC 2 ??? ?? ?? ?? ?? ?? ?? 5^40 0^10 40^-60 50^-85 90.10095-100 3 5-31.5 0-5 0^-10 40-75 90^-10095-100 5-20 0-5 0-10 40---80 90^x10095^-