砼配合比对照表
砼配合比对照表...
砼配合比 JGJ 55-2000 W/C=αa×fce/(fcu,o+αa×αb×fce) αa=0.46 fcu,o=fcu,k+1.645σ rc=1.1 rc=1.1 αb=0.07 P.C32.5R P.O42.5R fce=35.8Mpa fce=46.8Mpa C15 ×4=21.6Mpa W/C=0.72 W/C=0.93 C20 ×5=28.2Mpa W/C=0.56 W/C=0.72 C25 ×5=33.2Mpa W/C=0.48 W/C=0.62 C30 ×5=38.2Mpa W/C=0.42 W/C=0.54 C35 ×5=43.2Mpa W/C=0.37 W/C=0.48 C40 ×6=49.9Mpa W/C=0.42 C45 ×6=54.9Mpa W/C=0.38 C50 ×6=59.9Mpa W/C=0.35 C55 ×6=64.9Mpa W/C=0.32 JGJ 55-2011 W/B=αa×fb/(fcu,o+αa×αb×fb) αa=0.53 fcu,o=fcu,k+1.645σ rc=1.12 rc=1.16 αb=0.20 P.C32.5R P.O42.5R fce=36.4Mpa fce=49.3Mpa C15 ×4=21.6Mpa W/C=0.76 W/C=0.97 C20 ×4=26.6Mpa W/C=0.63 W/C=0.82 C25 ×5=33.2Mpa W/C=0.52 W/C=...
砼配合比 JGJ 55-2000 W/C=αa×fce/(fcu,o+αa×αb×fce) αa=0.46 fcu,o=fcu,k+1.645σ rc=1.1 rc=1.1 αb=0.07 P.C32.5R P.O42.5R fce=35.8Mpa fce=46.8Mpa C15 ×4=21.6Mpa W/C=0.72 W/C=0.93 C20 ×5=28.2Mpa W/C=0.56 W/C=0.72 C25 ×5=33.2Mpa W/C=0.48 W/C=0.62 C30 ×5=38.2Mpa W/C=0.42 W/C=0.54 C35 ×5=43.2Mpa W/C=0.37 W/C=0.48 C40 ×6=49.9Mpa W/C=0.42 C45 ×6=54.9Mpa W/C=0.38 C50 ×6=59.9Mpa W/C=0.35 C55 ×6=64.9Mpa W/C=0.32 JGJ 55-2011 W/B=αa×fb/(fcu,o+αa×αb×fb) αa=0.53 fcu,o=fcu,k+1.645σ rc=1.12 rc=1.16 αb=0.20 P.C32.5R P.O42.5R fce=36.4Mpa fce=49.3Mpa C15 ×4=21.6Mpa W/C=0.76 W/C=0.97 C20 ×4=26.6Mpa W/C=0.63 W/C=0.82 C25 ×5=33.2Mpa W/C=0.52 W/C=...
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