DB37∕T 5186-2021 铁尾矿砂高强混凝土应用技术规程

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8、91; 137.2 ckfl§137.3ck?T 148? 178.1fl? 178.2ckT?fl½? 178.3 fl ck½? 18flfi A §3fifla?fic19flfi B K?flfi?efg?a?fic 21flfi ?R?q½a?fic 23$fi¼$hi? 24fl$kfi fl: li? 25 27ontentz1 GeneralProvizionz 12 Termzand Symbolz 22.1 Termz 22.2 Symbolz 23 BazisRequirementz 34 Materialz 4

9、4.1 FineAggregate 44.2 ement 54.3 MineralAdmixture 64.4 oarzeAggregate 74.5 hemisalAdmixture 84.6 Bater 85 TeshnisalPropertiezofonsrete 95.1 MixturePropertiez 95.2 MeshanisalPropertiez 95.3 Long-termPropertiezand Durability 106 MixDezign 116.1 GeneralProvizionz 116.2 MixDezign 117 Produstion and onz

10、trustion ofonsrete 137.1 GeneralProvizionz 137.2 Produstion7.3 onztrustion 13 148 QualityInzpestion 178.1 QualityInzpestion ofRawMaterialz 178.2 PropertyInzpestion ofonsreteMixture 178.3 PropertyInzpestion ofHardened onsrete 18AppendixA TeztMethod forFluidityRatioofStonePowder 19 AppendixB TeztMetho

11、d fortheontentofIrregularPartislezin oarzeAggregate 21Appendix TeztMethod forompatibilityofAdmixturez 23Explanation ofBordingin ThizSpesifisation 24LiztofQuoted Standardz 25Addition: Explanation ofProvizionz 271õ?1.0.1 fifinfi#fl$¾ack fl§flT¼Ø e$, fl½T¼?, fi ª

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15、167; 3fifl (%);Lq?_ 3fi ( mm) ;L0 ?fl?_ 3fi ( mm) ;Qb flfi?efg? (%);Gflfi?efõ? ( g) *23?$fi¿3.0.1fl$¾_ackfl?$1_*3.0.2fl$¾_§g?e?ë?fl$fi¼?*3.0.3fl$¾_acke¿$?Tck, %?e? fi?¾ #?Tck$ GBT14902 $§fi¿*3.0.4fl$¾_acke?$'? a§¾, fl'

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19、167;g?MB?“1.4, %§3fifl“95%“15.01.4 <MB?“2.0, %§3fifl“95%“10.02.0 <MB?“3.0, %§3fifl“95%“5.0MB? >3.0, %§3fifl“95%“3.0M?g?“0.54.1.5fl$¾_ ?½e?fififi¿:41¿$?fl?¾?a?, fl$¾_ ?fle 10%*2J_ w¾?½?efi 25%*4.1.6fl$¾_¼ª?Ç®

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21、25 01.18mm50 10600µm70 41300µm92 70150µm94 80: fifl$¾?_ ef¾?fl?$lfi¿ , ?¿$?e gfi?, ?a?½?®?fiª$*4.1.11fl$¾_ §3fifla?e?$fi¼flfi A fi¿¾?; %fl½? a? e? fi?¾ # %'$_$ GBT 14684 $§fi¿¾?*4.24.2.1 fl$¾

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23、7? 80 ck , flM?_ 28d ?½a fl?fi58MPa; 28d fl 3d ¾W flM?_?½a$flfl?fi 2.0*4.2.8flM½? a?fice?¾fi?$§ fi¿*4.3¾"_R4.3.1 ?fl$¾_ack, ª¿$QØ?Qؽk ¾fl?¿ fl ? $* ! fie? fi?¾ #$flMªckØ !fi$ GBT1596 $§fi¿,

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38、ck?fl ?Kª?$ 6.2.3 ½$, ?e?a?¿*11$ 6.2.3 TX_fl üa §¾fl?fl?cfl?$?( kgm3 )_?(%)“60, “700.27 0.30480 56034 40>70, “800.26 0.28520 59034 38: flM$?fl? 500kgm3 *2?Rª¾fl ? Ø, ?, eka?¿¾fl?fi 25% 40%; ¾fi?fl? 10%, ¾fi?ª%fl¾fl?$*6.2.4

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41、i? T?fl*6.2.10 fl$¾_ack?½a ?¿?¿$Rfla fl, $qRflafl, RflflrfiKe?a?¿*127ckfl§fl?T7.1v;7.1.1 fl$¾_ack fl§fl?Te?fi?¾ # ck?$ GB50164 ª # ck?T¼?Tfi n$ GB50666 $§fi¿*7.1.2 fl$¾_ack¿$?Tck e?fi?¾ #?Tck$ GBT14902 $§fi¿*7.

42、1.3 fl?T$o, e?¿fl$¾_ack?Tgfifiº,?eDffiETfl* ckfl§ª?T¼Ø, e?fl? ?, cktT, T?fluv, ckz, flþ§¼¾?¼?*7.1.4 fl$¾_a ckfluv, vfi, z¼ Øfl? Rfl*7.2T7.2.1fl?¾§, zfie?fi¿fiz?e ?½? fl*7.2.2 fl$¾_ew fl*7.2.3 %flckfl?

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44、fi?¾ #?Tck$ GBT14902 $§ fi¿* e?®?tTQª¼?§, ?e?fl§y?T?fl?* ¤W?TtTck, T?fl $?fl?¼5ª, ?ïy?TtT ck , T?fl $ ? fl? 30ª*7.2.7 fl$¾_acktT Qfle+ 90z, ? 80cktT Qfle+ 120z, tTefl½T?fl?,¼?ck tT?½e?fi?¾ # ck?$ GB50164 $§

45、;fi¿*7.2.8 tTfltT$?fl$¾_ack , ?ygfR10%flM$?, 10%JK?$?ª¾?R, ?e?$fl?, fl?fl?flflq*7.3 T?I7.3.1 fl$¾_ackuve?fi?¾ # ?T ck$ GBT14902 $§fi¿* ¿$tTuv$ufi ck, e?ckuYzflA?fl$fl, fly¾, ckT?fl½?fl?T?* tTuv$fl¿?oetT?flfl¾, ¿?fl?tT?ckT?flØ

46、Rfl*7.3.2 fl$¾_a ckfltTfl¿$tTuv$Yfi? Qfl? 90min, Yzy ?1Qfl? 120min*7.3.3 tTuv$fi½zfi§, etT?fl10z 30z?$ckT?flfi* fickT?fl¼J?j fl?fl?T?fR?fl , e?fififi¿:1e¿$¼Ø?fl;2?fl?e$?a?¿ ?º3?fl$ckT?fl?, etT?fltT, tT Qe$?a?¿ ?º*7.3.4fl$¾_ackzo,

47、e?$? ?¿½½þ?¾, ?efl½?flckz¼Øfl14?, flªfl?%*7.3.5 fl$¾_ack zª§¼e¿$?fl?*7.3.6 fi¿$¾fi?TT¿ , ¾fi'Eªs ½¼, fi$ þ%¾fi?fl, e?fi? # ck¾fi?Tgfifi n$ JGJT10 $§fi¿, ckuvefl½

48、ck41¾fi*7.3.7 fib¿fl$¾_ack¾fi? , ?To?¾?a¾*7.3.8fi¾fi? 100m, ?¿$½¾¾?¾fi*7.3.9?¾fi? 100m 80 fl$¾_ack,?¿$ 150mms? vfis*7.3.10 fifi¾fiack, vfisfl? ?fl?fi 12*7.3.11 flk¾fifl$¾_ack¼Ø, fi¾fiQ Q? 15min ,

49、 e? 4min 5min ¾?Øh?¼ fl, þ¾,%?QQfl? 30min; fifi¾fiack , ?QQfl? 15min*7.3.12 fi?¾ja§¾ck, e?5vfisØ$j¼a§¾ck*7.3.13 fifl$¾_ack?$ffiJ 3m, ?¿$fls§?'E*7.3.14 fl$¾_ackz y¾fl? 350mm,kfi¾¼$z Q?Qfl? 120min*7

50、.3.15 fl¼a§¾ckfi?He'fl¼a§¾c kfl Ø, ¼ a §¾ ckfl? 3 $a §¾ ck flØ*7.3.16 fl$¾_ackª¿$fi?fl?, ¾fifl$¾_ack?Afi?Qfl? 20z*7.3.17zfl?fl$¾_ack , e¿$?,?e?fi?¾ # fl?ck?Tfin$ GB50496$§fi¿*157.3.

51、18 fl$¾_a ckfi?, ?¿$flfifl?ß Tfl½, fl½?eþ¾?fl§¼*7.3.19 fl$¾_a ck? fl §¼ Qfl?+ 14d, § ¼ $ fl ? fl c k $ ? ? $ Q ? fl ? 20ª*7.3.20 fl$¾_ackfl?¾?§¼ , e¢?, ?, ?ªe?Øh?¼* ? Qfl?fi 2h,?fl? 25&

52、#170; h, ?fl? 65ª, ?Qeka?¿, e? ?fl? 20ª h* fl?§¼?$?fl?fl? 20ª*7.3.21fi¤W?T , fl$¾_ack§¼e?fififi¿:1?¿$y §¼2ckq=o afl?¼ 10MPa;3?ªfl?¾eflckflfi 5ª½fi$fl?, ?fl ck$?fl?fl 20ª $fl?, fl?ckeþ ?;4cka½

53、;fi'?a§¾? 70% , ª?§¼?*7.3.22fl$¾_a ck§¼ $ fle? fi? # ck$fl$ JGJ63 $§fi¿*168?8.1?R¾?8.1.1ckfl?¾§ , e?fi¿Q?A* fl?¾§?Qª?ffi e?fi?¾ # ck?$ GB50164 $§fi¿* ?½?fle¢?fi?,f?fl?®½§,

54、 ?R§§e?$i?W*8.1.2fl?e¾?¾§?, flckfl§¼Ø, ?ckfl?¾?fl?; ?e?fi?¾ # ck?$ GB50164 $§fi¿*8.1.3fl$¾_¾§?ªfl§¼? ffi e¢?ef¾?, JK, M?g?, §g?, ª$?a?, §3fifl, ?½ ?$?fick?K?þe?ck, e¾?

55、89;a?*8.1.4fl$¾_?fi?e?fififi¿:1¼f fl$¾_, h?fle 600t;2¼f fl$¾_, fi41 3 Q¾§?Q?®, ?1 ?ªfl?*8.1.5fl? ?e?$fi¼$ 4 ø fi¿*8.2Ti_"jk?8.2.1 fl$¾_ackT?fl½?e?fl'?ª?T?* ckT?fle?$D Tfl½, ?fl?$flªSfl*8.2.2 flfl§

56、ª?T¼Ø, efltTflAªzflAyg? ckT?fl ¤?½ªflfl½, ¼J, fl$, M$¼J O3 Q§¾?*8.2.3 ?fl$¾_ackT?fl ¤?½ªflfl½, ¼17J, fl$, M$¼JO3Q§ffi , ?fl§Tfl½e Y+? 2 Q, ?Tfl?½Y+? 1 Q*8.2.4fl$¾_ackT?fl½?$e?

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61、;? ( fl 75µm ?ª?¾), $? fl ?10min, $ 75µmfifl?½fi?¾§a? 270g, yQ?E$, ?Y 0.1g*2a?$?_?fle?$ A.0.3 fi¿*$ A.0.3 ?$X_fl?_Ø&flM( g)§( g)_( g)Rfl?( mL)?fl?_4501350180q?_31513513501803?$ A.0.3 Ø?fl?_ ?_?fl, k?fl $?fl?_ 3fi½fi (180 ±5) mm*4?$

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63、l?, ?fi 300mm, ?flRflygfi 3.6mmx 30mm, Q 2.5mm, 6.4mm x40mm, Q 3.0mm, 8.8mm x40mm, Q 4.0mm, 11.4mmx50mm, Q 5.0mm, 14.5mmx50mm, Q 6.0mm;2 fifl?, ? ? fi 300mm, fl? ygfi 2.36mm, 4.74mm, 9.50mm, 16.0mm, 19.0mm, 26.5mm, 31.5mm, fl$?¾ª?;3 $fi?fl;4 ?¼ 2000g, y? 1g$?;5 ?, >§*B.0.2 a?e?fifi½?¾?:1 ?fi?¾ #%'$?§, ?§$ GBT14685 $§fi¿¾?$?, ?K?Ç* $?Ç? K? 2000g, a ? ? Ø h f ? « 4.75mm 9.5mm, 9.5mm 16mm, 16.0mm19.0mmª 19.0mm26.5mm¾?y*2 f?« 4.75mm9.5mm, 9.5mm16mm, 16.0mm1