【正文】
過程中遇到的問題以及理論知識聯(lián)系實際工程問題的能力。建筑基本采用規(guī)則對稱結(jié)構(gòu),有利于結(jié)構(gòu)抗震。填充墻材料:黏土實心磚,外墻:乳白色墻漆。 天溝:采用現(xiàn)澆的外天溝。圖1 柱網(wǎng)布置圖 Column grid layout 結(jié)構(gòu)材料混凝土強度等級:墊層: C10 框架梁、框架柱:C30獨立基礎(chǔ):C25 現(xiàn)澆板: C25基礎(chǔ)連梁:C30 次梁、構(gòu)造柱: C30鋼筋:HPB235級鋼筋 fk=235 N/mm2 fy=210 N/mm2HRB335級鋼筋 fk=335 N/mm2 fy=300 N/mm2HRB400級鋼筋 fk=400 N/mm2 fy=360 N/mm2砌體隔墻:砌體隔墻材料及位置詳見建筑施工圖紙。mm1VGi / kN△ui / mmui / mm61317888續(xù)表2層數(shù)Gi / kN∑D I / N具體計算過程及結(jié)果見下表:表4 各層柱端彎矩及剪力計算(邊柱)Table 4 Layers column end moment and shear calculation(side column)層數(shù)hi /mVi /kN∑D ij /Nm631317888658085313178886580843131788865808331317888658082313178886580813214905685392 梁端彎矩、剪力及軸力分別按下式計算:表6 梁端彎矩及剪力計算Table 6 End of the beam bending moment and shear force calculation層數(shù)AB跨BC跨LVbLVb654321表7 柱軸力計算 Table 7 column axial force calculation層數(shù)654321邊柱中柱圖5 框架彎矩圖() Framework moment diagram()圖6 梁端剪力及柱軸力圖(kN) The end of the beam shear force and column axial force(kN) 橫向水平風(fēng)荷載作用下框架內(nèi)力和側(cè)移計算:風(fēng)壓標(biāo)準(zhǔn)值計算公式: 由《荷載規(guī)范》規(guī)定知,故不考慮風(fēng)振系數(shù),取。m632240644622453224064462244322406446224332240644622423224064462241327849653856表10 各層柱端彎矩及剪力計算(中柱)Table 10 Layers column end moment and shear (column)層數(shù)hi /mVi /kN∑D ij /Nm232240646580823224064658081327849685392 梁端彎矩、剪力及軸力分別按下式計算:表10 風(fēng)荷載作用下框架梁端彎矩及剪力計算Table 10 Calculation of bending moment and shear force of frame beam under wind load層數(shù)AB跨BC跨LVbLVb625242322212表11 風(fēng)荷載作用下柱軸力計算Table 11 Calculation of column axial force under wind load層數(shù)654321邊柱中柱圖8 左風(fēng)荷載作用下框架彎矩圖() Bending moment diagram of frame under the action of left wind load()圖9 左風(fēng)荷載作用下梁端剪力及柱軸力圖(kN) Study on the shear and column axis force of the beam at the end of the left wind load(kN)框架結(jié)構(gòu)荷載計算計算單元:?、圯S橫向框架進行計算,如下圖所示:圖10 橫向框架計算單元 Horizontal frame calculation unit ,由于房間內(nèi)布置有次梁,故直接傳給該框架的樓面荷載如圖中的水平陰影所示。m)Table 14 Calculation of bending moment of frame beam under vertical dead load(kN柱軸力可由梁端剪力和節(jié)點集中力疊加得到。表25 跨間最大彎矩計算結(jié)果Table 25 Cross moment calculation results層數(shù)123跨ABBCABBCABBCMmax層數(shù)456跨ABBCABBCABBCMmax表26 橫向框架A柱彎矩和軸力組合Table 26 The calculation for bending moment and axial force of column A層數(shù)截面內(nèi)力SGk調(diào)幅后SQk調(diào)幅后SWkSEk[(SGk+)+] ++SQkSGk+(SQk+ Swk)MmaxNmaxNmin6柱頂M N 柱底M N 5柱頂M N 柱底M N 4柱頂M N 柱底M N 3柱頂M N 柱底M N 續(xù)表26層數(shù)截面內(nèi)力SGk調(diào)幅后SQk調(diào)幅后SWkSEk[(SGk+)+] ++SQkSGk+(SQk+ Swk)MmaxNmaxNmin2柱頂M N 柱底M N 1柱頂M N 柱底M N 表27 橫向框架B柱彎矩和軸力組合Table 27 The calculation for bending moment and axial force of column B層數(shù)截面內(nèi)力SGk調(diào)幅后SQk調(diào)幅后SWkSEk[(SGk+)+] ++SGk+(SQk+ Swk)MmaxNmaxNmin6柱頂MN柱底M續(xù)表27層數(shù)截面內(nèi)力SGk調(diào)幅后SQk調(diào)幅后SWkSEk[(SGk+)+] ++SGk+(SQk+ Swk)MmaxNmaxNminN5柱頂MN柱底MN4柱頂MN柱底MN3柱頂MN柱底MN2柱頂MN柱底MN續(xù)表27層數(shù)截面內(nèi)力SGk調(diào)幅后SQk調(diào)幅后SWkSEk[(SGk+)+] ++SGk+(SQk+ Swk)MmaxNmaxNmin1柱頂MN柱底MN 框架結(jié)構(gòu)截面設(shè)計與配筋計算 計算信息 混凝土強度:柱:C30 , 梁:C30 , 鋼筋強度: HPB235 , HRB400 , 查《建筑抗震規(guī)范》可知本工程框架為三級抗震等級表28 承載力調(diào)整系數(shù)γRE的取值Table 28 The value for bearing capacity adjustment coefficientγRE 結(jié)構(gòu)構(gòu)件類別正截面承載力計算斜截面承載力計算梁柱梁、柱γRE 框架梁的截面設(shè)計與配筋計算 正截面受彎承載力計算 保護層厚度35mm 無論梁是上部,還是下部受拉,都按矩形截面設(shè)計,計算表格如下表29 框架梁正截面配筋計算Table 29 Arrangement steel for beam of principal normal section層數(shù)梁位置MmaxγRE?MasξAsAsmin實配面積6AB梁A2895C221901mm2跨中289B左289BC梁B右289續(xù)表29層數(shù)梁位置MmaxγRE?