内力组合计算书(共32页).doc
《内力组合计算书(共32页).doc》由会员分享,可在线阅读,更多相关《内力组合计算书(共32页).doc(32页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、精选优质文档-倾情为你奉上5.4 内力组合抗震规范第5.4条规定如下。5.4截面抗震验算5.4.1 结构构件的地震作用效应和其他荷载效应的基本组合,应按下式计算: (5.4.1)式中:S结构构件内力组合的设计值,包括组合的弯矩、轴向力和剪力设计值;G重力荷载分项系数,一般情况应采用1.2,当重力荷载效应对构件承载能力有利时,不应大于1.0;Eh、Ev分别为水平、竖向地震作用分项系数,应按表5.4.1 采用;w风荷载分项系数,应采用1.4;sGE重力荷载代表值的效应,有吊车时尚应包括悬吊物重力标准值的效应;sEhk水平地震作用标准值的效应,尚应乘以相应的增大系数或调整系数;sEvk竖向地震作用标
2、准值的效应,尚应乘以相应的增大系数或调整系数;swk风荷载标准值的效应 ;w风荷载组合值系数,一般结构取0.0,风荷载起控制作用的高层建筑应采用0.2。注:本规范一般略去表示水平方向的下标。表5.4.1 地震作用分项系数地震作用EhEv仅计算水平地震作用1.30.0仅计算竖向地震作用0.01.3同时计算水平与竖向地震作用1.30.55.4.2 结构构件的截面抗震验算,应采用下列设计表达式:式中:RE承载力抗震调整系数,除另有规定外,应按表5.4.2采用;R结构构件承载力设计值。表5.4.2 承载力抗震调整系数材料结构构件受力状态RE钢柱,梁0.75支 撑0.80节点板件,连接螺栓0.85连接焊
3、缝0.90砌体两端均有构造柱、芯柱的抗震墙受剪0.90其他抗震墙受剪1.00混凝土梁受弯0.75轴压比小于0.15的柱偏压0.75轴压比不小于0.15的柱偏压0.80抗震墙偏压0.80各类构件受剪、偏拉0.855.4.3 当仅计算竖向地震作用时,各类结构构件承载力抗震调整系数均宜采用1.0。本次毕业设计,各截面不同内力的承载力抗震调整系数取值如下表承载力抗震调整系数RE正截面斜截面梁0.750.85柱子轴压比0.150.750.85轴压比0.150.80节点0.85结构安全等级设为二级,故结构重要性系数为根据建筑结构荷载规范和建筑抗震设计规范,组合三种工况:恒荷载控制下、活荷载控制下和有地震作
4、用参加的组合。其具体组合方法如下:恒荷载控制下:活荷载控制下:有地震作用参加的: 对柱进行非抗震内力组合时,根据规范,对活载布置计算的荷载进行折减,折减系数由上而下分别为1.0,0.85,0.85,0.7,0.7。偏安全,不考虑因楼面活载布置面积对梁设计内力的折减。梁柱截面标号示意见图5.22。图5.22 梁截面标号示意图表5.5 梁截面内力组合一专心-专注-专业层次截面内力/单位恒活重力地震1.2SGK1.35SGK1.2SGE1.2SGE比较项设计值荷载SGK 荷载SQK荷载SGE 作用SEK+1.4SQK+0.98SQK+1.3SEK-1.3SEK00RERE-+41M/kNm-37.1
5、 -11.50 -48.6 43.65 -60.62-61.36 -1.58-115.07-60.62-61.36 -1.18 -86.30 86.30 V/kN85.28 26.19 111.47-8.93139.00 140.79 122.16145.37139.00 140.79 91.62 109.03 140.79 2M/kNm126.56 34.48 161.04 33.43 200.14204.65 236.71149.79200.14204.65 177.53 112.34 204.65 3M/kNm-73.43 -22.81 -96.24-23.32 -120.05-121.
6、48-145.8-85.17-120.05-121.48-109.35 -63.88 121.48 V/kN-96.64 -29.73 -126.37 -8.93 -157.59 -159.60 -163.25-140.04-157.59 -159.60 -122.44 -105.03 159.60 4M/kNm-44.74 -13.62 -58.3619.43 -72.76 -73.75 -44.77-95.29-72.76 -73.75 -33.58 -71.47 73.75 V/kN13.15 3.6 16.75 -20.45 20.8221.28-6.4646.6920.8221.28
7、-4.86 35.01 35.015M/kNm-36.85 -14.87 -51.72 0.00-65.04-64.32 -62.06-62.06-65.04-64.32 -46.55 -46.55 65.04 31M/kNm-65.59-20.99-86.58351.43-108.09-109.11352.96-560.76-108.09-109.11264.72 -420.57 420.57V/kN100.6133.44134.05-30.11167.55168.59121.78200.00167.55168.5991.29 150.00 168.592M/kNm130.5637.5816
8、8.14198.45209.28213.08459.75-56.22209.28213.08344.81 -42.16 344.813M/kNm-92.44-30.75-123.19-274.94-153.98-154.93-505.25209.59-153.98-154.93-378.94 157.20 378.94V/kN-109-36.49-145.49-30.11-181.89-182.91-213.73-135.45-181.89-182.91-160.30 -101.58 182.914M/kNm-40.13-13.66-53.7955.11-67.28-67.567.1-136.
9、19-67.28-67.565.32 -102.14 102.14V/kN15.196.3021.49-58.0127.0526.68-49.63101.2027.0526.68-37.22 75.90 75.905M/kNm-30.01-13.30-43.310.00-54.63-53.55-51.97-51.97-54.63-53.55-38.98 -38.98 54.63 21M/kNm-64.86-20.94-85.80196.25-107.15-108.08152.17-358.09-107.15-108.08114.12 -268.56 268.56V/kN100.5233.421
10、33.94-41.17167.41168.45107.21214.25167.41168.4580.41 160.69 168.452M/kNm131.0437.59168.63112.52209.87213.74348.6356.08209.87213.74261.47 42.06 261.473M/kNm-92.26-30.78-123.04-154.39-153.80-154.72-348.3153.06-153.80-154.72-261.27 39.79 261.27V/kN-109.08-36.50-145.58-41.17-182-183.03-228.22-121.18-182
11、-183.03-171.16 -90.88 183.034M/kNm-40.3-13.65-53.5993.41-67.47-67.7857.13-185.74-67.47-67.7842.84 -139.31 139.31 V/kN15.196.3021.49-98.3327.0526.68-102.04153.6227.0526.68-76.53 115.21 115.215M/kNm-31.18-23.38-54.560.00-70.15-65.01-65.47-65.47-70.15-65.01-49.10 -49.10 70.15层次截面内力恒活重力地震1.2SGK1.35SGK1.
12、2SGK1.2SGK比较项设计值荷载荷载荷载作用+1.4SQK+0.98SQK+1.3SQK-1.3SQK/单位SGK SQKSGE SEK 00RERE-+ 11M/kNm-55.95-17.93 -73.52258.44-92.24 -93.10247.75-424.2-92.24 -93.10185.81 -318.15 318.15 V/kN 99.6933.14132.83-57.26166.02167.3284.96233.83166.02167.3263.72 175.38 175.382M/kNm137.3040.23177.53145.51 221.08224.78402.2
13、23.87 221.08224.78301.65 17.90 301.653M/kNm -88.66-29.58-118.24-201.98-147.80-148.68-404.46120.69-147.80-148.68-303.35 90.51 303.35V/kN-109.91-36.78-146.69-57.26-183.38-184.42-250.47-101.59-183.38-184.42-187.85 -76.19 187.85 4M/kNm-43.22-14.63-57.85128.74-72.35-72.6897.94-236.78-72.35-72.6873.46 -17
14、7.59 177.59 V/kN 15.196.321.49-135.52-27.0526.68-150.39201.96-27.0526.68-112.79 151.47 151.47 5M/kNm-34.10-14.51-48.610.00-61.23-60.25-58.33-58.33-61.23-60.25-43.75 -43.75 61.23表5.6 柱截面内力组合一柱号截面内力恒荷载活荷载重力荷载地震作用1.2SGK1.35SGK1.2SGE1.2SGE比较项+1.4SQK+0.98SQK+1.3SEK-1.3SEK/单位SGKSQKSGESEK00REREA1M/kNm12.85
15、4.1216.97-204.7421.19 21.39 -245.80 286.53 21.19 21.39 -196.64 229.22 N/kN690.52273.61964.13-137.471211.68 1200.34 978.25 1335.67 1211.68 1200.34 782.60 1068.53 V/kN7.712.4710.18-74.4512.71 12.83 -84.57 109.00 12.71 12.83 -67.66 87.20 2M/kNm25.708.2433.94-167.5142.38 42.77 -177.04 258.49 42.38 42.77
16、 -141.63 206.79 3M/kNm44.2414.1858.42-121.3372.94 73.62 -87.63 227.83 72.94 73.62 -70.10 182.27 N/kN551.83201.47753.3-80.21944.25 942.41 799.69 1008.23 944.25 942.41 639.75 806.59 V/kN22.257.1829.43-62.2236.75 37.07 -45.57 116.20 36.75 37.07 -36.46 92.96 4M/kNm42.5413.8256.36-121.3370.40 70.97 -90.1
17、0 225.36 70.40 70.97 -72.08 180.29 5M/kNm41.961354.96-85.5268.55 69.39 -45.22 177.13 68.55 69.39 -36.18 141.70 N/kN412.31129.05541.36-39.04675.44 683.09 598.88 700.38 675.44 683.09 479.10 560.31 V/kN21.676.8428.51-45.7935.58 35.96 -25.32 93.74 35.58 35.96 -20.25 74.99 6M/kNm42.5413.6856.22-93.0670.2
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 内力 组合 计算 32
限制150内