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5200平米五层办公楼建筑毕业设计(含图纸)

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5200平米五层办公楼建筑毕业设计(含图纸),5200,平米,办公楼,建筑,毕业设计,图纸
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沈阳冠信科技有限公司办公楼设计摘 要该建筑地处沈阳市,为一高档办公楼,各功能应分层分区设置,大报告厅设在顶层,每层设一小会议室,设计时要认真考虑人流及防火要求,设两部楼梯。建筑物占地面积约5200。建筑物长65.4m,宽15.9,层,共五层,高度为18.75m,室内外高差450mm。建筑物结构形式采用整体现浇钢筋混凝土,框架柱采用C30混凝土,bh=550mm550mm,框架梁采用C30混凝土,主梁截面bh=250mm600mm,次梁截面bh=150mm400mm。基础采用柱下独立基础,混凝土等级为C30。 冠信科技有限公司办公楼的设计依据为设计任务书和现行规范,总体设计分为七个部分:第一章 建筑设计,第二章 重力荷载代表值计算,第三章 水平地震作用分析,第四章 竖向荷载作用下框架的内力分析,包括内力组合,第五章 框架截面设计和配筋,第六章 基础设计,第七章 楼梯设计。第一章中,通过考虑各种因素选定了建筑方案,在其余的几章中,我们进行了结构计算并且对梁柱、楼板、楼梯和基础进行了配筋。 关键词: 建筑, 结构, 地震作用, D值法,柱下独立基础.Shenyang office crown Design Technology Co., Ltd.AbstractThe building is located in Shenyang City, is a high-grade office buildings, Hierarchical partition of the function should be set up, large lecture hall at the top for a small meeting room on each floor, designed to give serious consideration to the movement of people and fire safety requirements, set up two staircases. The building covers an area of about 5,200 . Building long-65.4m, width 15.9, layer, a total of five, height 18.75m, height difference between indoor and outdoor 450mm.Structural form of the use of the whole cast-in-place reinforced concrete, using C30 concrete frame columns, bh = 550mm 550mm, using C30 concrete frame beam, main beam bh = 250mm 600mm, beam at bh = 150mm 400mm. Based on an independent basis under the use of column, concrete grade C30.Crown Technology Co., Ltd design office in accordance with the mandate for the design of the book and the existing norms, the overall design is divided into seven parts: The architectural design of the first chapter, Chapter II on behalf of the gravity load value, the third chapter the role of the level of earthquake analysis, Chapter IV, under the framework of vertical load analysis of the internal forces, including the combination of internal forces, the fifth chapter the framework of cross-section design and reinforcement, the Sixth the basis of the design chapter, Chapter VII of the staircase design. The first chapter, selected through a variety of factors to consider the construction program, in the remaining chapters, we have carried out structural calculations and on the beams, floor, stairs and the basis for the reinforcement.Keywords: architectural, structural, earthquake, D value of law, an independent foundation under column.- 5 -目 录摘 要iAbstractii1 建筑设计11.1设计资料11.2设计思路及工程概况21.3工程构造31.3.1基础31.3.2墙体31.3.3楼梯设计41.3.4门窗51.3.5楼面构造51.3.6屋面构造62 重力荷载代表值72.1构件尺寸72.1.1板72.1.2梁72.2活载标准值82.3荷载汇集计算82.3.1屋面线荷载标准值82.3.2楼面线荷载标准值92.3.3墙102.3.4梁112.3.5柱:122.4重力荷载代表值计算122.4.1五层上半层计算122.4.2五层下半层计算152.4.3四层上半层计算152.4.4四层下半层计算172.4.5三层上半层计算172.4.6三层上半层和二层的计算182.4.7一层上半层计算183 水平地震作用分析203.1梁的刚度与柱的刚度计算203.1.1梁的刚度计算203.1.2梁的刚度计算203.2水平地震作用力计算203.2.1框架自震周期的计算203.2.2多遇水平地震作用标准值及位移的计算214 竖向荷载作用下框架的内力分析274.1竖向荷载作用下框架的内力计算274.1.1荷载及计算简图274.1.2框架弯矩计算295 框架结构配筋计算455.1框架梁配筋计算455.1.1截面尺寸455.1.2材料强度455.1.3配筋率455.1.4计算公式465.2框架柱配筋计算465.2.1剪跨比和轴压比的验算465.2.2柱正截面承载力计算465.2.3框架柱抗剪计算475.3板的配筋525.3.1板区分格525.3.2板区配筋设计52第一区格板A配筋计算:526 基础设计556.1初步估算基础底尺寸556.2由柱子传至基础顶面的荷载566.3由基础梁传至基础顶面的外墙重566.4基础底面标准值组合的内力值566.5基础底面压力验算576.6基础抗冲切验算576.7基础横向配筋计算587 楼梯设计597.1楼梯梯段斜板设计597.1.1确定斜板厚度597.1.2荷载计算597.1.3荷载效应组合607.1.4斜板的计算简图607.1.5内力计算607.1.6配筋计算607.2平台板设计617.2.1平面板的计算617.2.2荷载计算617.2.3荷载效应组合617.2.4内力计算627.2.5配筋计算627.3平台梁设计627.3.1平台梁的计算627.3.2荷载计算627.3.3荷载效应组合637.3.4内力计算637.3.5截面设计63总结65参考文献66谢 辞671 建筑设计1.1设计资料工程名称:沈阳冠信科技有限公司办公楼 层高及空间设置:该办公楼层数为5层,底层层高为3.9米,标准层为3.6米。该建筑地处沈阳市,顶层设有大报告厅,24层均设有一小会议室,其他房间均为办公室,一层设有资料室和档案室各一间,会客室一间,设计时考虑人数和防火要求,设两跑楼梯。 建筑面积:总建筑面积约为5200m2。 气象条件:沈阳地区的基本风压为0.45; 基本雪压为0.4。工程地质条件:场地地质情况,如下表所示。序号岩 土分 类土 层深 度(m)厚 度范 围(m)地基承载力fk(kPa)桩 端阻力qp(Kpa)桩周摩擦 力qs(kPa)1杂填土0. 00.50.82粉 土0. 51.81.0120103中 砂1.82.81.0200254砾 砂2. 86.54.03002400305圆 砾6.512.56.0500350060注:)地下稳定水位距地坪6m以下;)表中给定土层深度由自然地坪算起。建筑地点冰冻深度:1.2m;建筑场地类别:类场地土;地震设防烈度:7度。材料供应及施工条件建筑材料:水泥空心砖,粉煤灰空心砌块,425号、525号水泥,采用HPB235级、HRB335或HRB400级钢筋,改性沥青防水卷材等。施工条件:本工程拟由沈阳市某建筑工程公司承建,其资质等级为房屋建筑三级。1.2设计思路及工程概况 根据设计任务书的要求及商场的结构和建筑设计需要,综合考虑了防火、抗震、通风、采暖及视觉效果等因素,经过方案比选最终选出该商场的设计方案。首先分析建筑平面,在平面设计中考虑了外观、朝向、通风、出入口、交通、消防、及供电等多方面的问题。一个好的建筑不仅要满足功能结构要求,同时也要重视建筑设计,因此在设计中始终把握整体设计概念,从全局考虑,将建筑设计和结构设计综合考虑。总平面设计要突出周围良好的环境以及该办公楼与周围自然环境和人工环境的协调性,在本方案中特别注重周围的绿化效果,加强环保意识。对使用部分的平面设计的总体设计原则是适用、美观、安全、经济,注重同一层平面和各层平面之间的相互联系。从使用要求着手,选择柱网尺寸并进行功能分区。对于该建筑立面设计,根据初步确定的房屋内部空间组合的平面关系,如结构的功能分区,各部分的门窗布置等,描绘出该建筑各个立面的基本轮廓。设计时仔细分析立面各部分总的比例关系,相邻立面间的连接和协调,然后着重分析各个立面上墙面的处理,最后考虑建筑入口、门厅的细部处理。整个立面设计中,适当的选用建筑材料,突出建筑的质感,创造出良好的立面效果。1.3工程构造1.3.1基础 采用独立柱基础,混凝土选用C30。1.3.2墙体 外墙采用300mm水泥空心砖内墙采用190mm粉煤灰空心砌块 外墙做法:刷彩色涂胶; 20厚混合砂浆粘结层; 60厚聚苯复合保温板; 300厚水泥空心砖; 20厚石灰砂浆抹灰;外墙总厚度:400mm 内墙做法:20厚石灰砂浆抹灰; 190厚粉煤灰空心砖; 20厚石灰砂浆抹灰;内墙总厚度:230mm1.3.3楼梯设计采用现浇式钢筋混凝土板式楼梯,二部楼梯,开间均为4200mm,均为双跑楼梯。 底层:层高3.9m楼梯梯段宽度: 4200190=4010mm中间设110mm间隙 1/2(4010110)=1950mm平台深应大于1950mm,故取为2100mm楼梯长度:踏步宽b=300mm,设第一跑为13步,第二跑为13步则踏面高 则第一跑梯段长 (131)300=3600mm楼梯间进深 取为6600mm 靠近走廊一侧平台深 660021003600=900mm 标准层:层高3.6m踏面宽 b=300mm,踢面高 h=150mm踏步数 故两跑均设为12跑平台深 6600(121)300=3300 mm,故分别取为 1200 mm,2100 mm。1.3.4门窗 门办公室采用木制平开门,bh=1000mm2100 mm卫生间采用木制平开门,bh=900mm2100 mm入口处外门采用铝合金门中的有框双开弹簧门,有多种尺寸,各洞口尺寸详见图纸。其余门洞尺寸及所采用的门样式详见图纸上门窗表。 窗全部窗都采用铝合金推拉窗,洞口尺寸有两种:1500mm2100 mm、15002100mm、1500mm2400 mm。1.3.5楼面构造根据各方间的使用要求,采用不同的楼面构造 办公室、档案室、资料室、会议室、报告厅、接待室等采用水磨石地面; 走廊、楼梯、大厅采用大理石地面;卫生间采用防水较好的瓷砖地面;配电室采用水泥砂浆地面。各楼面的具体做法见第二章结构设计部分中的荷载汇集计算部分。1.3.6屋面构造 改性沥青;20厚1:3水泥砂浆基层(找平层);60厚苯板保温层;30150焦渣找坡 ;120厚现浇混凝土板;V型轻钢龙骨吊顶;2 重力荷载代表值2.1构件尺寸2.1.1板纵向主梁跨度为7.2,次梁跨度也为7.2,主梁每跨内布置一根次梁,板跨为3.3。按高跨比条件,要求板 ,故取板厚2.1.2梁 横向: 主梁跨度为6.6 =550825,取 =200300,取 纵向: 主梁跨度为7.2 =600600,取 =200300,取 次梁跨度为7.2 =400600,取 =133200,取 柱:根据7度设防烈度,高度30m的框架,查得地震等级为,框架轴压比控制为,混凝土强度等级为C30, 其中 : :竖向荷载分项系数,取为1.25;:考虑地震作用产生的轴力的放大系数,取为1.15; S :柱的楼面负荷面积; : 单位建筑面积的竖向荷载,框架结构取为1214; :层数。故 柱的截面选用正方形 柱的截面选为。2.2活载标准值 活载标准值见表2-1。表2-1 活载标准值不上人屋面办公室楼梯、走廊卫生间报告厅0.42.02.52.03.02.3荷载汇集计算2.3.1屋面线荷载标准值屋面线荷载标准值见表2-2。表2-2 屋面线荷载标准值改性沥青0.10.120厚水泥砂浆找平20200.02=0.460厚苯板保温层0.10.130150厚焦渣找坡10100.5(0.03+0.15)=0.9120厚现浇混凝土板25250.12=3V型轻钢龙骨吊顶0.250.25屋面恒荷载4.752.3.2楼面线荷载标准值 办公室、会议室、报告厅采用水磨石地面,见表2-3。表2-3 楼面恒荷1标准值20厚水磨石地面24240.02=0.48刷冷底子油和热沥青一道20厚水泥砂浆找平20200.02=0.4120厚现浇混凝土板25250.12=3V型轻钢龙骨吊顶0.250.25楼面恒荷14.13 走廊、楼梯采用大理石地面,见表2-4。表2-4 楼面恒荷2标准值平铺20厚大理石地面28280.02=0.5620厚干硬性水泥砂浆找平20200.02=0.4120厚现浇混凝土板25250.12=3V型轻钢龙骨吊顶0.250.25楼面恒荷24.21 卫生间采用防水较好的瓷砖地面,见表2-5。表2-5 楼面荷载3标准值20厚小瓷砖0.550.5520厚水泥砂浆找平20200.02=0.4120厚现浇混凝土板25250.12=3V型轻钢龙骨吊顶0.250.25楼面恒荷34.22.3.3墙 外墙恒载标准值,见表2-6表2-6 外墙恒载标准值刷彩色涂胶20厚混合砂浆抹灰17170.02=0.3460厚聚苯复合保温板1.131.13 续表2-6 300厚水泥空心砖9.69.60.3=2.8820厚石灰砂浆抹灰17170.02=0.34外墙恒荷载4.69 内墙荷载标准值见表2-7。表2-7 内墙荷载标准值20厚石灰砂浆抹灰17170.02=0.34190厚粉煤灰空心砌块7.57.50.19=1.42520厚石灰砂浆抹灰17170.02=0.34内墙恒荷载2.1052.3.4梁 横向 主梁:250600 自重:250.25(0.6-0.12)1.05=3.15AB、CD跨:L=6.6-0.55=6.05, 3.156.05=19.0575BC跨:L=2.7-0.55=2.15, 3.152.15=6.7725 纵向 主梁:250600 自重:250.25(0.6-0.12)1.05=3.15-跨:L=7.8-0.55=7.25,3.15 7.25=22.8375其他跨:L=7.2-0.55=6.65,3.156.65=20.9475 次梁:150400 自重:250.15(0.4-0.12)1.05=1.1025-跨:L=7.8-0.25=7.55,1.10257.55=8.3238其他跨:L=7.2-0.25=6.95,1.10256.95=7.66232.3.5柱:截面 550550 自重:250.550.551.10=8.31872.4重力荷载代表值计算重力荷载代表值的计算采用集中质量法,计算方法为:重力荷载代表值=恒载+50活载。2.4.1五层上半层计算 屋面:S=15.965.4=1039.86 =(4.75+0.50.4)1039.86=5147.307 梁:横向 19.057512=228.69 6.77256=40.635 纵向 主梁 22.83754=91.35 20.947520=418.95 次梁 8.32382=16.6476 7.66238=61.2984井字梁:井字楼盖的平面尺寸为1590021600,采用68网格,网格尺寸为26502700。因为跨度较大,所以 =1136994,取 =333250,取井字梁四周边梁需要保证足够的刚度,其高度一般大于井字梁截面高度的1.11.2倍,所以取井字梁四边梁的截面尺寸为3001100.边梁的自重:250.3(1.1-0.12)1.05=7.7175横向L=15.9-30.55=14.25,纵向L=21.6-30.55=19.95边梁重:G=(14.25+19.95)27.7175=527.877井字梁自重:250.25(1-0.12)1.05=5.775横向L=15.9-0.3=15.6 5.77515.67=630.63纵向L=21.6-0.3=21.3 5.77521.35=615.0375其中重复面积为0.250.25=0.0625,35个重为250.0625(1-0.12)1.0535=50.5312井字梁重G=630.63+615.0375-50.5312+527.877=1723.0133=228.69+40.635+91.35+418.95+16.6476+61.2984+1723.0133=2580.5843柱: 柱长L=3.6/2-0.12=1.68 36根 =8.31871.6836=503.1149 墙 外墙 横向L=15.9-30.55=14.25 纵向L=65.4-30.55=63.75 周长C=(14.25+63.75)2=156 =(21.6-30.55)2(0.53.6-1)=31.92=(156-19.952)(0.53.6-0.6)=139.32 =(2.132+1.86+2.44)0.5=43.8 =(31.92+139.32-43.8)4.69+43.80.4=615.2136 内墙 横向L=6.6-0.55=6.05 8片 =6.05(0.53.6-0.6)8=58.08 L=6.6-0.3=6.3 2片 =6.3(0.53.6-0.12)2=21.68 L=15.9-30.55=14.25 2片 =14.25(0.53.6-1.1)2=19.95 纵向L=60.83 =60.83(0.53.6-0.6)=73.032 =(1.54+0.94+18)0.3=5.28=(99.198+73.032-5.28)2.105+5.280.1=351.9577=5147.307+2580.5843+503.1149+615.2136+351.95=9198.17752.4.2五层下半层计算 柱:柱长L=3.6/2=1.8 36根 =8.31871.836=539.0517 墙 外墙 =1560.53.6=280.8 =87.61=87.6 =(280.8-87.6)4.69+87.60.4=941.148 内墙 =(6.058+6.32+14.252+60.86)1.8=270.648 =17.61.8=31.68 =(270.648-31.68)2.105+31.680.1=506.1956=539.0517+941.148+506.1956=1986.39532.4.3四层上半层计算 屋面 办公室G=(4.13+0.52.0)6.6(7.8+37.2)2=1990.8504卫生间G=(4.2+0.52.0)6.632=205.92打报告厅G=(4.13+0.53.0)15.921.6=1933.5672楼梯G=(4.21+0.52.50.5)6.64.22=268.0524走廊G=(4.21+0.52.5)(2.743.8+6.67.22)=1164.618=1990.8504+205.92+1933.5672+268.0524+1164.618=5563.008 梁:横向 19.057520=381.15 6.772510=67.725 纵向 主梁 22.83754=91.35 20.947532=670.32 次梁 8.32382=16.6476 7.662314=107.2772=381.15+67.725+91.35+670.32+16.6476+107.2722=1334.4648 柱:柱长L=3.6/2-0.12=1.68 40根 =8.31871.6840=559.0166 墙 外墙 =156(1.8-0.6)=187.2 =(2.130+1.86+2.45)0.5=42.9 =(187.2-42.9)4.69+42.90.4=693.927内墙 横向L=6.6-0.55=6.05 15片 =6.05(0.53.6-0.6)15=108.9 L=6.6-0.3=6.3 3片 =6.3(0.53.6-0.12)3=31.752 纵向L=113.24 =113.24(0.53.6-0.6)=135.888 =(1.81+0.95+114)0.3=6.09 =(108.9+31.752+135.888-6.09)2.105+6.090.1=569.9062=8720.32262.4.4四层下半层计算 柱:柱长L=3.6/2=1.8 40根 =8.31871.840=598.9464 墙 外墙 =1560.53.6=280.8 =85.81=85.8 =(280.8-85.8)4.69+85.80.4=948.87 内墙 =(6.0515+6.33+113.24)1.8=401.202 =20.31.8=36.54 =(401.202-36.54)2.105+36.540.1=771.2675=598.9464+948.87+771.2675=2319.08392.4.5三层上半层计算 屋面 办公室G=(4.13+0.52.0)6.6(7.8+77.2)2=3941.0712卫生间G=(4.2+0.52.0)6.632=205.92楼梯G=(4.21+0.52.5)6.64.22=302.7024走廊G=(4.21+0.52.5)2.765.4=964.1268=3941.0712+205.92+302.7024+964.1268=5413.8204 梁 同四层上半层 =1334.4648 柱 同四层上半层 =559.0166 墙 同四层上半层 =693.927 =569.9062=8571.1352.4.6三层上半层和二层的计算三层上半层计算同四层下半层 二层上半层计算同三层上半层 二层下半层计算同四层下半层2.4.7一层上半层计算 屋面 同三层上半层 =5413.8204 梁 同四层上半层 =1334.4648 柱: 柱长L=3.9/2-0.12=1.83 40根 =8.31871.8340=608.9288 墙 外墙 =156(3.9/2-0.6)=210.6 =(2.124+1.85+2.47)0.35=26.67 =(1.51+1.82)0.15=0.765 =(210.6-26.67-0.765)4.69+26.670.4+0.7650.1=869.7883 内墙 L=6.6-0.55=6.05 11片 =6.05(1.95-0.6)11=89.8425 L=6.6-0.3=6.3 5片 =6.3(1.95-0.12)5=57.645 =(1.81+1.54+0.94+110)0.15=5.64=(89.8425+57.645-5.64)2.105+5.640.1=299.1529=8526.1552重力荷载代表值汇总见表2-8。表2-8 重力荷载代表值汇总位置(层)54321自重()9198.17810706.71810890.21910890.21910845.2393 水平地震作用分析3.1梁的刚度与柱的刚度计算3.1.1梁的刚度计算选用C30混凝土,弹性模量,计算梁线刚度考虑作用,边框梁取中框梁取,具体见表3-1。3.1.2梁的刚度计算选用C50混凝土,弹性模量,柱的线刚度计算公式为:,具体见表3-23.2水平地震作用力计算该建筑高度为18.75米,小于40米,且质量与刚度沿高度均匀分布,故采用底部剪力法来计算水平地震作用。3.2.1框架自震周期的计算对于H30且填充墙较多的办公楼等规则框架结构,可以按经验公式计算:H-房屋主体结构的高度,H=18.75米B-房屋震动方向的长度,在计算横向水平地震作用时,为房屋的宽度,取15.9米,在计算纵向水平地震作用时,为房屋的长度取65.4米。3.2.2多遇水平地震作用标准值及位移的计算 水平地震作用标准值计算由设防烈度为7度,场地土为II类,由建筑抗震设计规(GBJ11-89)表4.1.4-1和表4.1.4-2。查得 则横向地震影响系数 由抗震规范表4.2.1可知,不考虑顶部附加水平力影响。对于多质点体系,结构底部总横向水平地震作用标准值为: =0.0644650.98646 =2679.059 , 各质点横向水平地震作用及楼层地震剪力见表3-3。66表3-1 梁的线刚度截面跨度m截面惯性矩边框梁中框梁2506006.64.56.753.06894.0912506002.74.56.757.5910表3-2 柱的线刚度柱的类别层/高根数边柱A类52/3.66.35450.48280.19451.14444152624中柱B类1.66310.45402.67124边柱A类1/4.94.66871.31430.54741.27734122980中柱B类4.52710.77021.79724边柱A类52/3.66.35450.64380.24351.432716724224中柱B类2.21750.52583.093716边柱A类1/4.94.66871.75250.60031.400716527744中柱B类6.03640.81331.8977160.7,所以该框架为规则框架。表3-3 各质点横向水平地震作用及楼层地震剪力层数519.39198.18177524.8260.2849763.26763.26415.710706.7168095.4710.2698722.811486.1312.110890.2131771.6490.2115566.622052.728.510890.292566.86070.1486398.112450.814.910845.253141.67160.0852228.262679.1 水平地震作用内力分析 柱的反弯点高度比按公式 ,计算各层柱的反弯点高度比.式中,-该层柱的计算高度 此结构中都为零。各层柱端弯矩及剪力计算见表3-4。计算梁支座剪力和柱轴力根据力平衡原理,由梁端弯矩和作用在梁上的竖向荷载可求出梁支座剪力;柱轴力可计算截面上的梁端剪力之和求得。梁端弯矩、剪力及柱轴力见表3-5。表3-4 各层柱端弯矩及剪力计算层数HDD/中框边柱53.6143277242240.0198763.26415.1130.351.2619.04235.36543.6143277242240.01981486.07429.4240.401.4442.37163.55533.6143277242240.01982052.69540.6430.451.6265.84280.47323.6143277242240.01982450.80348.5260.501.887.34787.34714.9140075277440.02652679.05970.9950.653.19226.12121.76中框中柱53.6309377242240.0427763.26432.5910.411.4848.20969.11943.6309377242240.04271486.07463.4550.461.66105.29123.1533.6309377242240.04272052.69587.6500.501.8157.77157.7723.6309377242240.04272450.803104.6490.501.8188.37188.3714.9189775277440.03602679.05996.4460.552.7259.92212.66表3-5 梁端弯矩、剪力及柱轴力层数边梁走道梁柱轴力边柱中柱535.36520.0456.68.39549.07449.0742.736.351-8.395-27.956482.59749.6956.620.044121.667121.6672.790.124-28.835-98.0363122.8476.2866.630.171186.769186.7692.7138.347-59.006-206.2122153.1991.5076.637.075254.631254.6312.7188.616-96.081-357.7531209.10116.2996.649.303284.732284.7322.7210.913-145.38-519.3634 竖向荷载作用下框架的内力分析4.1竖向荷载作用下框架的内力计算4.1.1荷载及计算简图 屋面和墙的荷载 屋面恒荷4.75屋面活荷0.4楼面恒荷4.13办公室活荷2.0外墙恒荷4.69楼梯、走廊活荷2.5内墙恒荷2.105大报告厅活荷3.0 梁250600 自重:250.25(0.6-0.12)1.05=3.15150400 自重:250.15(0.4-0.12)1.05=1.1025 楼面荷载分配为等效均布荷载 在竖向恒载作用下框架内力计算 恒载计算简图及恒载计算其中代表横梁自重,为均布荷载;分别为由边纵梁和中纵梁直接传给柱子的集中荷载,为纵向次梁传给横梁的集中荷载。五层:=3.15 =8.0156 =4.750.53.37.2+3.157.2=79.11 =4.750.5(3.3+2.7)7.2+3.157.2=125.28 =4.753.37.2+1.10257.2=120.798四层一层:=3.15 =6.9694 =4.130.53.37.2+3.157.2+4.6915.3=143.5014 =4.130.5(3.3+2.7)7.2+3.157.2+2.10519.5 =152.94 =4.133.37.2+1.10257.2=106.0668 活载计算简图及活载计算五层:=0.40.53.37.2=4.752 =0.40.5(3.3+2.7)7.2=8.64 =0.43.37.2=9.504,=0.675四层一层:=2.00.53.37.2=23.76 =2.00.53.37.2+2.50.52.77.2 =48.06 =2.03.37.2=47.52 ,=4.2188横向框架恒荷载总汇见表4-1,横向框架活荷载总汇见表4-2。表4-1 横向框架恒荷载总汇层数579.11125.28120.7983.158.015641143.5014152.9355106.06683.156.9694表4-2 横向框架活荷载总汇层数54.7528.649.5040.6754123.7648.0647.524.21884.1.2框架弯矩计算 梁的固端弯矩A-B梁与B-C梁受力相同,固端弯距也相同。,横向框架弯矩总汇见表4-3。 分配系数分配系数按与节点连接的转动刚度比值进行计算,且有 各杆件节点的弯矩分配系数计算过程见表4-4。表4-3 横向框架弯矩总汇边跨中跨层数跨度均布力集中力总弯矩跨度均布力恒载56.611.4345177.1704188.60492.74.8695416.611.4345155.5646166.99912.74.2339活载56.6013.939213.93922.70.4101416.6069.69669.69662.72.5629表4-4 各杆件节点弯矩分配系数层数A、D轴B、C轴下柱上柱梁梁左下柱上柱梁右50.60800.3920.200.31100.48940.3780.3780.2440.1530.2370.2370.37330.3780.3780.2440.1530.2370.2370.37320.3780.3780.2440.1530.2370.2370.37310.3090.4200.2710.1630.3110.2530.398恒载作用下的弯矩分配见表4-5;活载作用下的弯矩分配见表4-6;恒载作用下梁端剪力及柱轴力见表4-7;活载作用下梁端剪力及柱轴见表4-8。表4-5 恒载作用下的弯矩分配上柱下柱右梁梁左上柱下柱梁右0.6080.3920.200.3110.489-188188.6-4.87五层114.773.93-36.8-57.1-89.831.57-18.436.97-19.344.92-8.02-5.17-12.5-19.5-30.6138-138176.3-95.9-80.40.3780.3780.2440.1530.2370.2370.373-167167-4.23四层63.1363.1340.74-24.9-38.6-38.6-60.757.3431.57-12.520.37-28.6-19.330.36-28.9-28.9-18.7-0.44-0.68-0.68-1.0791.5765.43-157162.1-67.8-58.6-35.70.3780.3780.2440.1530.2370.2370.373-167167-4.23三层63.1363.1340.74-24.9-38.6-38.6-60.731.5731.57-12.520.37-19.3-19.330.36-19.2-19.2-12.4-1.86-2.88-2.88-4.5375.575.5-151160.6-60.8-60.8-390.3780.3780.2440.1530.2370.2370.373-167167-4.23二层63.1363.1340.74-24.9-38.6-38.6-60.731.5735.07-12.520.37-19.3-20.630.36-20.5-20.5-13.2-1.66-2.57-2.57-4.0574.0077.00-151160.8-60.4-61.7-38.70.420.3090.2710.1630.2530.1860.398-167167-4.23一层70.1451.6045.26-26.5-41.2-30.3-64.831.57-13.322.63-19.332.39-7.69-5.65-4.96-5.82-9.04-6.65-14.294.0045.00-139157.2-69.5-36.9-50.822.98-18.5表4-6 活载作用下的弯矩分配上柱下柱右梁梁左上柱下柱梁右0.6080.3920.200.3110.489-13.913.9-0.41五层8.485.46-2.7-4.21-6.6213.18-1.352.73-7.963.31-7.19-4.640.380.600.9414.5-14.514.38-11.6-2.780.3780.3780.2440.1530.2370.2370.373-69.769.7-2.56四层26.3526.3517.00-10.3-15.9-15.9-25.14.2413.18-5.148.5-2.11-7.9612.52-4.64-4.64-3.0-1.67-2.60-2.60-4.0825.9534.85-60.866.3-20.6-26.5-19.20.3780.3780.2440.1530.2370.2370.373-69.769.7-2.56三层26.3526.3517-10.3-15.9-15.9-25.113.1813.18-5.148.5-7.96-7.9612.5-8.02-8.02-5.18-0.78-1.21-1.21-1.9031.5531.55-63.167.10-25.1-25.1-16.90.3780.3780.2440.1530.2370.2370.373-69.769.7-2.56二层26.3526.3517-10.3-15.9-15.9-25.113.1814.64-5.148.5-7.96-8.5012.52-8.57-8.57-5.54-0.7-1.08-1.08-1.730.9832.42-63.467.20-24.9-25.5-16.80.420.3090.2710.1630.2530.1860.398-69.769.7-2.56一层29.2721.5418.89-10.9-16.9-12.5-26.713.18-5.479.45-7.9613.36-3.24-2.38-2.09-2.42-3.76-2.76-5.9139.2019.20-58.465.80-28.7-15.3-21.89.58-7.63恒荷载作用下的弯矩图见图4-1。 图4-1 恒荷载作用下的弯矩图活载作用下的弯矩图见图4-2。图4-2 活载作用下的弯矩图表4-7 恒载作用下梁端剪力及柱轴力层数荷载引起剪力弯矩引起剪力总剪力柱轴力AB跨BC跨AB跨BC跨AB跨BC跨A柱B柱570.8015.07-5.77065.0376.5715.07144.1174.1216.9246.9463.4313.66-0.71062.7264.1413.66380.3410.3477.6507.6363.4313.66-1.44061.9964.8713.66615.8645.7739.1769.0263.4313.66-1.34062.0964.7713.66851.3881.210001030163.4313.66-2.62060.8166.0513.661086112612631304表4-8 活载作用下梁端剪力及柱轴力层数荷载引起剪力弯矩引起剪力总剪力柱轴力AB跨BC跨AB跨BC跨AB跨BC跨A柱B柱54.750.91-0.0204.734.770.919.489.4814.3214.32423.765.7-0.82022.9424.585.756.1856.1892.6692.66323.765.7-0.62023.1424.385.7103.1103.1170.8170.8223.765.7-0.58023.1824.345.7150.1150.1248.9248.9123.765.7-1.12022.6424.885.7196.4196.4327.5327.5横向框架梁内力组合见表4-9。表4-9 横向框架梁内力组合层次截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震一层A-111.98-46.70209.1082.08-325.67-197.87-199.7660.8122.6449.316.85112.98104.73104.668-125.82-52.63116.3-250.31-23.53-222.49-224.6766.0524.8849.3118.7122.57114.05114.09-40.67-17.46284.75233.15-322.07-72.36-73.2513.665.7210.9-190.77220.4923.1424.37跨间87.51-39.5246.40106.2215.7478.6249.68-6.35-3.810-12.41-13.00续表4-9 层次截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震二层A-122.55-50.70153.1917.15-281.57-214.79-216.8462.0923.1837.0830.16102.47107.00106.96-128.65-53.7891.51-229.21-50.76-227.46-229.6764.7724.3449.3117.3121.18111.78111.8-30.90-13.42255.64214.42-282.11-55.14-55.8713.665.718.62-169.05198.7624.1424.37跨间87.51-39.5230.89130.9578.6249.68-6.35-3.840-12.41-13.00 续表4-9 层次截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震三层A-120.86-50.42123.84251.2411.69-213.58-215.6261.9923.1430.1736.7995.62106.83106.78-128.49-53.7176.29-214.19-65.43-227.17-229.3864.8724.3849.3117.4221.29111.95111.98-31.29-13.58186.77147.83-216.37-55.82-56.5613.665.7138.35-120.03149.7524.1424.37跨间87.51-39.5223.2883.6738.2878.6249.68-6.35-3.840-12.41-13.00 续表4-9 层次截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震四层A-126.11-48.6782.6-54.87-215.94-218.92-219.4762.7222.9420.0447.2386.31107.61107.38-129.62-5349.7-188.97-92.05-227.99-229.7464.1424.5820.0488.3349.25111.17111.38-28.52-15.33121.6786.06-151.19-53.83-55.6913.665.790.12-73.01102.7324.1424.37跨间87.51-39.5216.4577.0144.9478.6249.68-6.35-3.840-12.41-13.00 续表4-9 层次截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震五层A-110.58-11.5835.37-70.25-139.22-160.86-148.9165.034.738.452.4768.8592.5284.66-141.04-11.4820.05-151.65-112.55-201.88-185.3276.574.778.479.2562.87108.1498.56-64.32-2.2249.07-11.04-106.73-89.05-80.2915.070.9136.35-21.4749.4121.2519.36跨间99.64-7.847.66160.8378.68126.67108.59-7.3-0.620-10.48-9.63横向框架A柱弯矩和轴力组合见表4-10。表4-10 横向框架A柱弯矩和轴力组合层次截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震5柱顶138.214.4735.4102.85176.42201.07186.12144.19.488.4134.19151.66204.07186.24柱底-91.6-2619.1-80.56-120.16-149.57-146.21174.19.488.4162.94180.41244.50222.184柱顶65.834.8963.613.81146.02123.72127.81380.356.1828.8362.07422.06569.6535.02柱底-75.5-31.542.4-43.58-131.71-133.49-134.76410.356.1828.8390.82450.81610.03570.963柱顶75.5431.5180.53.95171.33133.49134.76615.8103.159579.23701.97934.34883.21柱底-74.2-30.965.8-17.64-154.59-131.16-132.41645.7103.159607.98730.72974.78919.152柱顶77.7232.4287.4-0.67181.01137.34138.65851.315096.1789.32989.171299.261231.58柱底-94-39.287.4-18.24-199.92-166.14-167.72881.215096.1818.081017.921339.691267.52 续表4-10 层次截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震1柱顶45.9519.16122-73.32129.8181.1981.961086196.4145985.031287.421661.931577.66柱底-23-9.58226208.51-261.82-40.6-40.991126196.41451024.351326.741716.951626.57A柱弯矩和轴力的最值见表4-11。表4-11 A柱弯矩和轴力的最值54321柱顶柱底柱顶柱底柱顶柱底柱顶柱底柱顶柱底201.07-149.57146.02-134.8134.76-154.5181.01-199.9179.81-261.8204.07244.5422.06570.96883.21730.72989.171017.91287.41326.7102.85-80.5613.81-43.583.95-17.64-0.67-18.24-73.32208.51134.19162.94362.07390.82579.23607.98789.32818.08985.031024.4201.07-149.57123.72-133.5133.49-131.2137.34-166.181.19-40.6204.07244.5569.6610.03934.34974.781299.31339.71661.91716.9横向框架B柱弯矩和轴力组合见表4-12;B柱弯矩和轴力的最值见表4-13。表4-12 横向框架B柱弯矩和轴力组合层次截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震5柱顶-95.9-11.5769.12-169.5025.73-141.04-131.28216.9214.3227.96186.04244.20307.16280.35柱底67.8320.6248.21125.1524.88112.19110.26246.8714.3227.96214.79272.95347.59316.294柱顶-58.55-26.47123.15-196.9959.16-105.51-107.32477.6192.6698.04401.02604.94737.43702.86柱底60.7525.08105.29179.86-39.14107.09108.01507.5692.6698.04429.77633.70777.87738.803柱顶-60.75-25.08157.77-234.4493.72-107.09-108.01739.02170.8206.21576.981005.901168.481125.94柱底60.4424.95157.77234.08-94.08106.54107.46768.97170.8206.21605.741034.651208.911161.882柱顶-61.74-25.49188.37-267.41124.40-108.84109.771000.3248.9357.75707.741451.861599.361548.87柱底69.5128.71188.37276.42-115.39122.55123.611030.3248.9357.75736.491850.761639.791584.81 续表4-12 层数截面位置内力1.2(+0.5)+1.31.35+1.2+1.4左震右震1柱顶-36.93-15.25212.67-263.95178.40-65.11-65.671262.93327.54519.36829.501909.772032.501974.07柱底18.477.63259.92291.71-248.9232.5632.851303.69327.54519.36868.631948.902087.522022.98表4-13 B柱弯矩和轴力的最值54321柱顶柱底柱顶柱底柱顶柱底柱顶柱底柱顶柱底-169.5125.15-196.99179.86-234.44234.08-267.41276.42-263.9291.71186.04214.79401.02429.77576.98605.74707.74736.49829.5868.63-169.5125.15-196.99179.86-234.44234.08-267.41276.42-263.9291.71186.04214.79401.02429.77576.98605.74707.74736.49829.5868.63-141.04112.19-105.51107.09-107.09106.54-108.84-115.39-65.1132.56307.16347.59737.43777.871168.481208.911599.361850.762032.52087.5横向框架A柱剪力组合见表4-14;横向框架B柱剪力组合见表4-15。表4-14 横向框架A柱剪力组合层次1.2(+0.5)+1.31.35+1.2+1.4左震右震5-63.83-11.2315.11-54.14-87.53-97.40-92.324-39.26-18.4429.42-16.94-81.96-71.44-72.933-41.6-17.3540.64-6.37-96.19-73.51-74.212-47.71-19.9048.53-5.19-112.44-84.31-85.111-17.67-7.3771.0056.67-100.24-31.22-31.52表4-15 横向框架B柱剪力组合层次1.2(+0.5)+1.31.35+1.2+1.4左震右震545.488.9432.5986.9614.9470.3467.09433.1414.3263.46111.23-29.0259.0659.82333.6613.9087.65138.28-55.4359.3459.85236.4615.06104.65160.51-70.7764.2864.84114.215.8796.45124.07-89.0925.0525.275 框架结构配筋计算5.1框架梁配筋计算5.1.1截面尺寸边跨: 梁端 bh0=300mm565mm (h0=h-35) 跨中 bfh0=2100mm565mm (h0=h-35)中跨: 梁端 bh0=300mm365mm (h0=h-35) 跨中 bfh0=1000mm365mm (h0=h-35)5.1.2材料强度混凝土等级 C30 =14.3 =1.43 钢筋等级 纵向受力筋 HRB335 =300 箍 筋 HPB235 =210 5.1.3配筋率纵向受力筋: 支座截面 =0.45100%=0.21%(0.2%); =2.5 跨中截面 =45=0.21%(0.20%)箍 筋: 沿梁全长: =0.24100%=0.16% 加 密 区: 应满足规范要求。5.1.4计算公式 AB跨跨中钢筋,BC跨跨中钢筋按构造配筋,支座截面受剪承载力中框架梁配筋的数量见表5-1,中框架梁箍筋的数量见表5-2。5.2框架柱配筋计算5.2.1剪跨比和轴压比的验算中框架柱的剪跨比和轴压比验算见表5-3。5.2.2柱正截面承载力计算框架柱子采用对称配筋大偏压柱 弯矩尽可能大(取组合弯矩和调整弯矩的大值),轴力尽可能小;小偏压柱 弯矩尽可能大,轴力尽可能大 当 时, 柱子为大偏压 当2 时 其中当x 时 其中 且 当时,取1.0 当 时,取1.0 当 时, 柱子为小偏压 且框架柱纵向钢筋的计算见表5-4。5.2.3框架柱抗剪计算 框架柱最小体积配箍率:抗震折减系数: =0.85箍筋加密区长度取 框架柱箍筋的数量见表5-5。表5-1 中框架梁配筋数量表截面实配钢筋第一层支座A325.670.2850.3442048525250.310.2190.2501574522AB跨中106.220.0070.007622.1320支座322.070.2820.3402026525BC跨中13.000.0030.00372.72316第三层支座A251.240.2200.2521580522229.380.2010.2271443422AB跨中83.670.0060.006533320支座216.370.1900.2131361422BC跨中13.000.0030.00372.72316第五层支座A160.860.1410.1531012322201.880.1770.1961267422AB跨中160.830.0110.011978322支座106.730.0940.099671320BC跨中10.480.0030.00372.7 320 表5-2 中框架梁箍筋数量计算表层次截面梁端加密区非加密区实配钢筋一156.7403.9750.48双肢8100双肢8150259.6403.9751.17三肢10100三肢10100三148.1403.9750.43双肢8100双肢8150224.3403.9750.94双肢8100双肢8150五123.3403.9750.25双肢8100双肢8150169.7403.9750.57双肢8100双肢8150表5-3 中框架柱的剪跨比和轴压比验算柱号层次A柱155051514.3220.8124.51689.43.40.4355051514.3144.
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