【正文】
的尺寸:L1=300㎜600㎜, L2=250㎜450㎜,L3=250㎜450㎜邊柱、內(nèi)柱的尺寸均為:600㎜600㎜圖23 框架結(jié)構(gòu)梁,柱尺寸注:,h=++=屋面防水層(剛性)30厚C20細(xì)石混凝土 ㎡找平層:20厚1: 20= KN/㎡隔熱層:50厚膨脹珍珠巖 *3KN/m=結(jié)構(gòu)層:25=㎡抹灰層:17=㎡合計 KN/㎡各層走廊樓面:水磨石樓面:10㎜面層20㎜ KN/㎡素水泥砂漿結(jié)合層一道結(jié)構(gòu)層:25=㎡抹灰層:17=㎡合計: KN/㎡標(biāo)準(zhǔn)層樓面:大理石樓面大理石面層,水泥砂漿擦縫30厚1:3干硬性水泥砂漿面上撒2厚素水泥 ㎡水泥漿結(jié)合層一道結(jié)構(gòu)層:25=㎡抹灰層:17=㎡合計: KN/㎡樓梯,水泥砂漿樓面構(gòu)造層:㎡結(jié)構(gòu)層:25=㎡抹灰層:17=㎡合計: KN/㎡.屋面及樓面活荷載計算根據(jù)《荷載規(guī)范》查得 :上人屋面:㎡樓面:㎡(辦公樓)走廊、陽臺: ㎡門廳、會議室:㎡雪荷載Sk= KN/㎡= KN/㎡屋面活荷載與雪荷載不同時考慮,兩者取大者..梁,柱,墻,門窗重力荷載的計算?梁自重:,縱梁:bh=300㎜600㎜梁自重: 25()= KN/㎡抹灰層10厚混合砂漿: [()2+]17=㎡合計:㎡:bh=250㎜450㎜梁自重:25 ()=抹灰層10厚混合砂漿: [()2+]17= KN/㎡合計: KN/㎡:bh=250㎜450㎜梁自重:25()= KN/m抹灰層10厚混合砂漿: [()2+]17= KN/㎡合計: KN/㎡:bh=250㎜450㎜梁自重:25 =?柱自重::bh=600㎜600㎜柱自重:25 =9KN/m抹灰層10厚混合砂漿: 417= KN/㎡合計: KN/㎡:bh=240㎜240㎜柱自重:25 =抹灰層10厚混合砂漿: 4 m17= KN/㎡合計: KN/㎡?外縱墻自重:標(biāo)準(zhǔn)層縱墻:18= KN/m鋁合金窗: KN/㎡= KN/m水刷石外墻面:() KN/㎡= KN/m水泥粉刷墻面:() KN/㎡=合計:㎡底層:縱墻 ()18= KN/m鋁合金窗: KN/㎡= KN/m水刷石外墻面:() KN/㎡= KN/m石灰粗沙刷那墻面:() KN/㎡=合計:㎡④內(nèi)縱墻自重:標(biāo)準(zhǔn)層縱墻:()18= KN/m水泥粉刷內(nèi)墻面: KN/㎡2= KN/m合計: KN/㎡底層:縱墻:()18= KN/m水泥粉刷內(nèi)墻面: KN/㎡2= KN/m合計:㎡⑤內(nèi)隔墻自重:標(biāo)準(zhǔn)層:內(nèi)隔墻:=鋁合金窗: KN/㎡= KN/m水泥粉刷內(nèi)墻面: KN/㎡2= KN/m合計: KN/㎡底層:內(nèi)隔墻:()= KN/m鋁合金窗: KN/㎡= KN/m水泥粉刷內(nèi)墻面:() KN/㎡2= KN/m合計: KN/㎡ 框架梁柱的線剛度計算框架梁柱的相對線剛度如圖4-1所示,作為計算各節(jié)點(diǎn)彎矩分配的依據(jù)。板厚取100 mm: 梁截面尺寸的估算::橫向主梁:L=6600㎜,取600㎜,取300㎜縱向主梁:L=6000 h=750mm500mm,取h=600mm b=300mm故框架橫縱梁的截面尺寸為bh=300㎜600㎜次梁:L=6000㎜ ,取450㎜,b取250㎜故框架次梁的截面尺寸為bh=250㎜400㎜:主梁:L=2400㎜ ,取450㎜,取250㎜故框架梁的截面尺寸為bh=250㎜450㎜ 表21估算梁的截面尺寸(㎜)及各層混凝土強(qiáng)度等級層數(shù)混凝土強(qiáng)度等級縱梁(bh)橫梁(bh)次梁(bh)AB,CD跨BC跨1~6C30300600250450300600250450柱截面尺寸的估算框架柱截面尺寸根據(jù)柱的軸壓比限制,按下式計算:-1計算: (1-1)式中::為考慮地震作用組合后柱軸力壓力增大系數(shù),,;: 為按照簡支狀態(tài)計算柱的負(fù)荷面積;:為折算后在單位面積上的重力荷載代表值,近似取14KN/。采用鋼筋混凝土梁式樓梯。采用現(xiàn)澆混凝土肋型屋蓋,剛?cè)嵝越Y(jié)合的屋面,屋面板厚100mm。()兩側(cè)均為200厚抹灰,墻高900mm。b. 內(nèi)隔墻采用200厚蒸壓粉煤灰加氣砼砌塊(),兩側(cè)均為20mm厚抹灰。?鋼筋:縱向受力鋼筋采用熱軋鋼筋HRB335,其余采用熱軋鋼筋HPB300。場地類別為II類,可不考慮地震液化影響。水質(zhì)對混凝土無侵蝕作用。建筑等級II級;防火等級II級。全年主導(dǎo)風(fēng)向為東北風(fēng),夏季主導(dǎo)風(fēng)向為南風(fēng),地面粗糙度為B類。關(guān)鍵字:辦公樓、框架結(jié)構(gòu)、豎向荷載AbstracThis design topic is an office building, structure design, including architectural design, structural design of two parts.Office building is a public building, the specification requirements more stringent, can reflect many important aspects of the building and structure design, choose office building and structure design, to grasp the basic principle of the design of the office building, and properly solve the the functional relationship, meet the use requirements.Frame structure design began in Europe and the United States, the twentieth century thickness has been around the world on a wide range of use, the building structure flexible layout and use of space. The ductility is better. It has a good seismic capacity. Building structure is very importan