1、=B2 = A= A2=B2 = A= A2=Mx=Vx= My=Vy=繞X軸彎矩M0 xMxVy*d9.00(65.00)*1.00繞y軸彎矩M0yMyVx*d21.0067.00)*1.0088.00kN*m 混凝土： 鋼筋： 三、計(jì)算過(guò)fa240.00kPa pk = 其中：A2.50 *2.50Fk = F/Ks = 1631.00/1.25 = 1304.80kN Gk=A*d*20=6.25*1.00*20=125.00kNpkFkGk)/A1304.80 125.006.25228.77kPa fa, 當(dāng) eb/6 時(shí),pkmax=3(FkGk)/3la X、Y 方向同時(shí)受彎:M

2、xk=M0 x/Ks=56.00/1.25=44.80kN*m Myk=M0y/Ks=88.00/1.25=70.40kN*m Fk = F/Ks = 1631.00/1.25 = 1304.80kNGk=G/1.35=168.75/1.35=pkmax273.00kPa 1.2*fa1.2*240.00288.00kPa, Fl 0.7* hp*ft*am*h0 Fl = pj * Alam = (at X 方向(a 方向am = (at X 方向(a 方向)：pj=pjmax=316.26kPa Alx = 1.36 m2Flx=pj *=316.26* =430.11ab =Min0.6

3、0 2* 0.50 = 1.60 amx = =(0.60 = 1.10 Flx 0.7* hp* ft* amx *ho =0.7*1.00* 1270.00*1.100*488.95kN, Y方向(b 方向pj=pjmax=316.26kPa Aly = 0.76 m2Fly=pj *=316.26* = 241.94 ab =Min0.25 2* 0.50 = 1.25 amy = =(0.25 = 0.75 Fly 0.7* hp * ft* amy *ho= 0.7 *1.00*1270.00*0.750 * 333.38kN, Fl fc*局部荷載設(shè)計(jì)值：Fl1631.00混凝土局

4、部受壓面積：Albc *hc = 0.25* 0.60混凝土受壓時(shí)計(jì)算底面積：Ab混凝土受壓時(shí)強(qiáng)度提高系數(shù)：sqr(Ab/Alsqr(1.35/0.15)1.35* c* * fc*=1.35*1.00*3.00*11900.00*7229.25kNFl1631.00kN =284.58 =282.80 =(2.50/2-0.25/2)*(2.50/2-=336.02 =(2.50/2-0.60/2)*(2.50/2-= 相對(duì)受壓區(qū)高度： =計(jì)算面積：2293.18 相對(duì)受壓區(qū)高度： = min = 計(jì)算面積：2062.50 四、計(jì)算結(jié)方向(a方向)彎矩計(jì)算結(jié)果：計(jì)算面積：2293.18 mm2/m實(shí)配面