一榀框架剛度計算的案例綜述1.1框架梁線剛度計算框架梁線剛度計算公式為：ib=中框架梁線剛度計算公式為：ib=2邊框架梁線剛度計算公式為：ib=1.5EC一榀框架框架梁的線剛度計算表如下：表2框架梁線剛度取值iEb×?IEi1.52.0單位NmmN?N?N?中框架邊橫梁1.14×104450×9002.733×10101.220×10112.45×1011中橫梁1.14×104400×8001.706×10101.330×10112.67×1011邊框架邊橫梁1.14×104450×9002.733×10101.220×10111.843×1011續(xù)表2框架梁線剛度中橫梁1.14×104400×8001.706×10101.330×10112.01×10111.2框架柱線剛度計算框架柱線剛度計算公式為REF_Ref5023\r\h[6]：iC=樓層?Eb×?Ii1-535001.14×104600×6001.07×10109.71×1010表3柱線剛度ic的計算1.3框架的側(cè)向剛度計算為了計算每層的側(cè)向剛度，可以通過改進(jìn)的反彎點法（D值法）來計算立柱。公式：D=αC12i表4框架柱側(cè)向剛度修正系數(shù)ɑc位置邊柱中柱α簡圖K簡圖K一般層KKα底層KKα下表列出了一個榀邊框架框架和一個一榀中框架的側(cè)向剛度的計算結(jié)果：表5一榀橫向邊框架的側(cè)向剛度（N/mm）樓層i層高邊框架邊柱邊框架中柱DKαD根數(shù)KαD根數(shù)59.7135001.890.48646275.134021.960.66463318.882219187.9849.7135001.890.48646275.134021.960.66463318.882219187.9839.7135001.890.48646275.134021.960.66463318.882219187.9829.7135001.890.48646275.134021.960.66463318.882219187.9819.7135001.890.48646275.134021.960.66463318.882219187.98表6一榀橫向中框架的側(cè)向剛度（N/mm）樓層i層高中框架邊柱中框架中柱DKαD根數(shù)KαD根數(shù)59.7135002.530.55853225.9625.280.72568555.752243561.31049.7135002.530.55853225.9625.280.72568555.752243561.31039.7135002.530.55853225.9625.280.72568555.752243561.31029.7135002.530.55853225.9625.280.72568555.752243561.31019.735002.530.55853225.9625.280.72568555.752243561.3101.4橫向框架側(cè)向剛度比驗算在結(jié)構(gòu)平面中有5個中間框架和2個側(cè)框架，那則每層的總側(cè)向剛度等于框架的總側(cè)向剛度之和框架結(jié)構(gòu)地板和上部相鄰地板的橫向剛度比可根據(jù)以下公式計算：γ1式中：Di、Di+1：分別表示第i層和第i+1層的側(cè)向剛度REF_Ref18461\r\h[8]。下表顯示了上部相鄰樓層中每個樓層的橫向剛度比的計算結(jié)果。表7側(cè)向剛度驗算表樓層邊框架榀數(shù)中框架榀數(shù)DD5251656192.561.0042