96結構技師(請幫忙對答案,謝謝)
發表於 : 2007 12月 13 (週四) 9:10 am結構學
一,`S_(AD)=35, S_(BD)=-43.75, S_(DE)=26.25, S_(BE)=56.25, S_(CE)=-45`[單位:KN]
二,`M_(AC)=3.68, M_(CA)=-M_(CD)=4.64,M_(DC)=7.45,M_(DB)=0.77,M_(DE)=-8.23,M_(BD)=0.39`[單位:KN-m]`
三,
四,`R_(B)=V_(CB)=5.86,V_(CA)=V_(AC)=-18.284`[單位:N]
`M_(AC)=80,M_(CA)=-M_(CB)=-23.43`[單位:N-m]
材料力學
一,`DeltaT=-(50I(2cos(beta)^3+1)/(alphaA))*((pi)/(7Lcos(beta)^(3/2)))^2`
二,
三,`P_(u)lt=133.33KN`
四,彈簧內力`S=((pl^3)/(48EI)-Delta)/((l^3)/(24EI)+1/K)`
RC
一,ANS:單筋梁鋼筋量`As=51.752cm^2 (8*#9)
二,
(一)`(Delta_(i))_d=0.21cm`
(二)`(Delta_(i))_(sus)=0.4cm`
(三)`(Delta_(i))_l=1cm`
(四)`Delta_(LT)=1.44cm`
(五)`Delta_(LT)=1.63cm`
三,檢核版式剪力`(V_(u))_(slab)=229.24t<phi*(V_(n))_(slab)=252.755trArrok!`
梁式剪力`(V_(u))_(beam)=48.33t<phi*(V_n)_(beam)=99.71trArrok!`
檢核彎矩`M_u=18.73t-m<phi*M_n=91.72t-mrArrok!`
一,`S_(AD)=35, S_(BD)=-43.75, S_(DE)=26.25, S_(BE)=56.25, S_(CE)=-45`[單位:KN]
二,`M_(AC)=3.68, M_(CA)=-M_(CD)=4.64,M_(DC)=7.45,M_(DB)=0.77,M_(DE)=-8.23,M_(BD)=0.39`[單位:KN-m]`
三,
四,`R_(B)=V_(CB)=5.86,V_(CA)=V_(AC)=-18.284`[單位:N]
`M_(AC)=80,M_(CA)=-M_(CB)=-23.43`[單位:N-m]
材料力學
一,`DeltaT=-(50I(2cos(beta)^3+1)/(alphaA))*((pi)/(7Lcos(beta)^(3/2)))^2`
二,
三,`P_(u)lt=133.33KN`
四,彈簧內力`S=((pl^3)/(48EI)-Delta)/((l^3)/(24EI)+1/K)`
RC
一,ANS:單筋梁鋼筋量`As=51.752cm^2 (8*#9)
二,
(一)`(Delta_(i))_d=0.21cm`
(二)`(Delta_(i))_(sus)=0.4cm`
(三)`(Delta_(i))_l=1cm`
(四)`Delta_(LT)=1.44cm`
(五)`Delta_(LT)=1.63cm`
三,檢核版式剪力`(V_(u))_(slab)=229.24t<phi*(V_(n))_(slab)=252.755trArrok!`
梁式剪力`(V_(u))_(beam)=48.33t<phi*(V_n)_(beam)=99.71trArrok!`
檢核彎矩`M_u=18.73t-m<phi*M_n=91.72t-mrArrok!`