学士米跨梯形钢屋架课程设计

钢结构设计原理与施工课程设计――钢结构厂房屋架指导教师：班级：学生姓名：学号：设计时间：语力学与建筑工陕程学院力学系嫂目录蓝冰抓傻元套袄礼母笔景元一、裳设计资谋料蚀………………拔………………霜………………贺……………代…眯2伟1.姻1疑结构形秆式房………………子………………糕………………笼…………虫…宣2潮1.鹰2晒屋架形式及荷填载淡………………挣………………绕………………底…挽…黄2距1.赵3法屋盖结构及荷谢载承………………夫………………踢………………揪…映…邪2允1.奸4亿荷载计牙算袭………………唉………………射………………葛…………闷…眠2辛2吼荷载组屋合阀………………柏………………坑………………从……………跳…差2辫3栋内力计从算逮………………冬………………鹿………………搞……………伍…除3曲4辅杆件设笋计佣………………糊………………检………………幻……………孤…扯5阅4.象1岔上弦驻杆已………………挡………………茂………………雁……………赴…词5耕4.享2起其余杆船件盐………………牙………………挠………………滑…………圾…舱7志5通、节点设妹计盟………………斗………………掌………………脚…………鲜…世7营5.隙1另下弦节摸点紫c堤………………挤………………姻………………姓………完…企7彼5.顶2泳上弦节冶点牙B钱………………慢………………降………………袄………若…宽9宫5.吗3状上弦节与点泽C旨………………鲁………………禁………………努………秤…崖10永5.肆4莲屋脊节轿点于G脉………………吸………………孕………………呢………包…佩10犹5.滨5苍支座节叹点鸭A救………………榴………………冬………………枪………离…交12子梯形钢屋架课终程设计一、设计资料榜某厂房总长度碑90m旷，跨度为镜24m畏.寸翻地震设防烈度突为释7希度，采堂用添1.5×衬6.0m壁预应力混凝土德屋祸板抱.耐抱屋面坡布度免i=1/10纱,救密雪荷载的基本肉雪压标准值烂为警S肥0爷=0.35K毛N/m届2贤，积灰荷载标异准换值膏1.0KN/翻m膏2时，钢筋混凝土泽柱，梯形钢屋马架。柱的混凝晓土强度等级才为沙C3肆0聚，钢材采忆用贿Q23漏5雅。焊条颈采警E4亲3杜型。置二、桁架几何艇尺寸及计算简鹊图三、荷载取值炒1辱.踢屋面永久荷载犯见表一斤屋面永久荷载勤项目侄标准泥值香慧永（部k照N赵∕弟m角2渣）滔分项系数柄设计养值角容（壮k需N减∕服m航2兵）携防水层（三毡若四油）驳0.40论1.2孤0.48泛水泥砂浆找平因层聪0.40兔1.2展0.48简保温层波0.70夜1.2载0.84式一毡二油隔气驴层贫0.05四1.2交0.06舍预应力混凝土急层面板陆1.45爪1.2座1.74焦屋架和支撑自暴重石0.38启1.2关0.46牺合计锈3.38援茄4.06延2誉.卡屋面活荷载见趣表二依屋面活荷载凳项目隙标准之值匙乡扁（涌k篇N折∕堆m厌2细）克分项系数稍设计太值东及（乎k捡N紫∕喘m询2街）娱雪载或活载励0.7铃1.4灭0.98警灰荷载斑1.0葵1.4酬1.40皮合计旧1.7爹习锤2.38表二酸因屋架屋面坡撤度较小，故对梯所有荷载均按类水平投影计算减（风荷载膨为舌酒风胡吸休槽力，且本例为尤重屋盖，故不庆考虑）四、荷载组合为a翼.夜全跨永久荷脆载折+伟全跨可变荷载向F=1.5×刮6知×挣（财4.06+2怪.3饲8焰）胖=57.96冰KN突b.寒全跨永久荷枣载见+络半跨可变荷载全跨永久荷载炼F1=1.5驱×6×4.0鸦6=36.程54屡奶KN半跨可变荷载盛颜F2=1.5愤×6×2.3功8=21.4心2KN脖全跨屋架和支开撑踢重巾+箭半跨屋面板着重翠+芬半跨屋面活荷制载拘全跨屋架和支涉撑重吹F3=1.5角×6×0.4拔6=4.1桥4KN么半跨屋面板重屋和半跨屋面活晋荷载动F4=1.5类×6掉×膊（傍1.74+0例.斤7讯）笑=21.9堡6聚背KN颤五、桁架支撑挠布置种由于厂房长度伶90m雄,腾跨度及荷载情奴况，设置上弦抽横向水平支叮撑姻3红道，由脑于孟L=扮24m傻，故可不设下笼弦横向水平支姐撑。聪桁架及支撑平引面布置见图那、内力分析计算简图如下式用图解法或数寇乘法皆可解出稠在全跨荷载作文用下屋架杆件刮的内力，屋架忆杆件内力图和胞内力制屋架构件内力源组合表螺杆件名称常杆件编号臭单位荷枣载间溉塘F抓＝龄1乳静载作用照（告KN/m哥²训）模活载迟（拆KN/m验²材）奥2.66臭杆件内力柳计算内力指在左特在右傻全跨连全部恒棋载诸2.381博屋架支滚撑慨0.461恼大型屋面农板技1.02筋在左付在右悬全部路组合一迁组合二步组合三渔战在左勾在右臣全部丰上弦杆艇AB式0.000舍0.000篇0.000皱0.000珍0.000屠0.000偶0.000铜0.000但0.000炸0.000兵0.000伶0.000若0.000农0.000忆0.000仅BC假-6.250盾依-2.470丧析-8.720双猫-186.8振61喉-36.17首9以-57.37全5先-22.67创5武-80.05泄0扑-149.6配25闹-59.13袄2巡-208.7床57广-511.8耐47骂-452.7种15沙-243.1应79挑-511.8港47祝CD州-6.250僻熟-2.470虚紫-8.720苗婚-186.8瓶61筐-36.17椒9穴-57.37村5翅-22.67衰5室-80.05悔0执-149.6它25弱-59.13缩2烤-208.7身57搭-511.8流47秀-452.7词15稠-243.1招79认-511.8恶47间DE由-9.040漠纤-4.490利览-13.53跳0平-289.9宇34撕-56.13差6绵-82.98纯7从-41.21配8尊-124.2主05渡-216.4屈18负-107.4察91微-323.9伙08闲-794.1搁84洪-686.6表93调-355.5熔41耍-794.1灭84绳EF脖-9.040庄林-4.490炸彼-13.53夫0椒-289.9肺34遭-56.13可6该-82.98仓7踢-41.21象8打-124.2简05孙-216.4您18誉-107.4妹91站-323.9氏08扛-794.1辞84纸-686.6勺93微-355.5嘴41活-794.1奇84音FG巴-9.170霸西-6.090羊以-15.26内0且-327.0铜07毛-63.31草4雹-84.18凤1孕-55.90秀6反-140.0战87组-219.5披30赤-145.7牵95烧-365.3是24银-895.7绝31谦-749.9洲37垃-367.0注24河-895.7崇31顺GH恢-9.170封氏-6.090底扁-15.26岸0骗-327.0猾07千-63.31万4篮-84.18纠1嚼-55.90酬6爹-140.0搂87宪-219.5与30料-145.7余95罩-365.3柏24勿-895.7抹31贷-749.9齿37毙-367.0削24酒-895.7农31朋HI介-7.380物称-7.380宫蒸-14.71茂0让-315.2巧21待-61.03信2要-67.74真8具-67.74远8票-135.0陵38斑-176.6符77炉-176.6抓77挑-352.1棵57长-863.4续48坑-687.9结67戚-305.4轰57布-863.4感48芦下弦杆涌ab具3.480倦1.250惧4.730拘101.35豪9赵19.625乳慢31.946越趁11.475贯路43.421尘必83.311询球29.925梳逮113.23蛛6镜277.64港2罢247.71男7灶134.88锹2斗277.64侵2永bc蚀8.000乖3.530限11.530吴舞247.07迎6逗47.838讨兽73.440圆范32.405凭茧105.84顶5轮191.52耍0倒84.508继迈276.02伪8酒676.78加8击592.28叉0废312.79坦8写676.78掉8卫cd装9.340兼5.310其14.650番岗313.93范5农60.783捎零85.741卧奉48.746醋仙134.48亲7孤223.60漫0狭127.12刷1椅350.72养1呀859.92利6述732.80祥4躁370.12蔑4软859.92槐6庄de礼8.440遣6.730霸15.170吴朝325.07捏8娃62.940令臂77.479才意61.781防构139.26传1拒202.05惊4逐161.11就6号363.17给0塑890.44资9伍729.33躲2绳342.47抱3燃890.44荷9咳斜腹杆怪aB鱼-6.530柜弓-2.340抖鞭-8.870杏环-190.0唱75纸-36.80蔬2鄙-59.94谢5姿-21.48该1微-81.42拉7静-156.3鸟28场-56.02歌0炉-212.3失48希-520.6改51坏-464.6浓32央-253.0燥75稍-520.6难51如Bb边4.760节2.120翅6.880鹅147.43浮2此28.545陵颈43.697宁急19.462待吩63.158畜博113.95来4牧50.753胃珍164.70温7屑403.84容2易353.08示9豪186.19幸6踢403.84禾2蚁bD士-3.140井疲-2.030舱辽-5.440划幅-116.5猪74碰-22.57曾1贡-28.82哀5黑-18.63墨5躬-49.93乓9骑-75.17换2太-48.59凤8章-130.2堤34吼-319.3臭17吸-264.2来55风-126.5总67位-319.3银17船Dc偏1.900做1.800请3.700隆79.287只照15.351罪夹17.442律糊16.524狡鬼33.966粉坟45.486拢雾43.092睁盗88.578嫁伞217.18惯3膜174.09见1汪78.279崖侄217.18舍3刻Cf鞭0.710球-1.750桥栽-2.460仗喇-52.71光5初-10.20侮7售6.518渠-16.06闸5每-22.58辆3亭16.997慕代-41.89喉5旗-58.89扛2指-144.3习97当-68.50家7狠13.309雕授-144.3险97雄Fd跑-0.450霉质1.560逃1.110急23.786畏姻4.605蛾-4.131湿昂14.321业衔10.190帝吸-10.77泡3蹦37.346盆蔽26.573风泼65.155执异27.808碧项-10.29伯9误65.155所锻dH染1.550户-1.530辽破0.020辽0.429患0.083蜡14.229矿励-14.04无5却0.184咐37.107混舞-36.62教8么0.479绵1.174词37.802性狠51.419水蹈51.419症研He给-2.470效征1.390哭-1.080爪扑-23.14矛3糊-4.481甩君-22.67脑5王12.760塔泻-9.914趁巧-59.13么2炭33.277芽猴-25.85祸5斑-63.39众4藏-96.67脱0促-86.28羊7田-96.67五0独竖杆怖Aa耳-0.500满顿0.000孩-0.500震灵-10.71苗5嫌-2.075抽臣-4.590创董0.000肿-4.590猎覆-11.97伏0壤0.000弟-11.97下0弟-29.34薯9材-29.34朱9览-18.63症5涝-29.34践9队Cb俱-1.000诞仆0.000柄-1.000广闹-21.42扮9限-4.149离墓-9.180筋掩0.000嫁-9.180超株-23.94耻0梅0.000日-23.94备0装-58.69刺8俊-58.69论8践-37.26夫9亚-58.69觉8渔Ec墨-1.000意咳0.000域-1.000谎滚-21.42歼9过-4.149沟顶-9.180母狱0.000疯-9.180瞧充-23.94班0虫0.000买-23.94峰0挽-58.69爬8凳-58.69烧8绿-37.26业9杨-58.69驳8芬Gd台1.000习0.000榜-1.000贡涨-21.42们9点-4.149液苹9.180头0.000炼-9.180三完23.940上故0.000本-23.94壶0昆-58.69阁8爹-10.81忍8跟28.971者枪-58.69设8惭Ie企0.970呀0.970弓0.970覆20.786泄佳4.025与8.905陪8.905肌8.905滩23.222尼建23.222泄揉23.222苦魂56.937匆罢56.937仆版36.151能迅56.937弟1、上弦杆追整个上弦采用贷等截面，湖按蔽F毯G愿杆件的最大设乔计内力设计，互即肢N唤=传－抬406.44坛k钳N俩计算，删=归150.75当cm出=我150.75抢cm惩根据腹杆最大我设计杆阅力滚Na听B胀＝坑-290.3标4k吨N配，取中间节点赏板厚木度毯t腹＝汉8mm咸，支座节点板描厚食t鲁＝智10mm趴。假办设皂λ前＝鸟5夸0湖，由附侨表拿4-肢2租查得耻=0.856舱.康拉=呜选用援2L森100×80匙×馋7颤短肢相酸关烛T奇形截面，元按所选角钢进挂行验算悼：浪胸辣坚λ亿xlo辞x阴／鼠i垫x先＝肌150.75划/2.3元9惑＝眠63.07箩<[贯]=15巾0最,恰满足要壤求陷缘λ罗y针＝梨lo收y也／修i竭y伪＝他150.75垒/4.6刑4抵＝隐32.49摇<[狠]=15辟0延,西满足要求淡鹿贩双角幸钢脆T浇形截面绕对称接轴颠（有y欠轴）应按弯扭话屈曲计算长细贫比困，由得下弦杆杆eg牧整个下弦采用现等截面。按最掏大内力水，授lox峡=提300cm赖，忍loy=脉885cm料.溉查附皱表毫1踩0先，选用部2L代100×80射×6盆,(满足)(满足）腹杆掌,aB梅杆芽企N=-2宣90.34k搂N,lox永=银253cm塘，绳loy=止253cm客选用匀2L世100×80耗×6筛.捧长肢相并，查喜附趟表茅10崇，糠=沟3.16cm衫，昂=访3.37cm（满足）（满足）滤=毫=89.6较.陵查附征表斤1.键2狱得Bc杆阀N=211臂.62kN程,lox=0饼.8×慧261.3=爆209.04谎m轿，海loy=签261.3银cm盏选用窄2L厦70×6阶.坟查附表乒9A概=2×8.1厨6=16.3躬2括，浴=帽2.15cm纤，吗=名3.26cm（满足）（满足）cD杆樱N=-151荷.02k矛N板，炕lox=,0野.8*286柿.4=研229.12防cm天，缎loy=扬286.4c害m低.欠选用歉2L兔70×6,A旦=2×8.1劲6=16.3享2遣，误=都2.15cm才，血=馋3.26cm(满足）雹（满足）查表短得（满足）De杆萝N=84.1银3k抱N潜，僵lox=,0周.8*286弟.4=康229.12汤cm瘦，碎loy=据286.4c秒m添.棚选用坚2L舰56×5,A抓=2×5.4翻2=10.8手4愤，币=幸1.72cm拢，刻=俭2.69cm（满足）（满足）（满足）Fg杆饱N=-36.关54k省N第，批lox=,0做.8*312烈.4=狐249.92餐cm聚，盗loy=莫312.4c影m旬.曾选用融2L山63×5特.右查附表域9A短=2×6.1眼4=12.2自8壳，钳=片1.94cm联，觉=攻2.97cm（满足）饭（满足）查表惧得（满足）竖杆（1）Aa杆汪N=-22.嘴53k动N辣，颤lox=,0勿.8*199浮=晚159.2c朝m尸，吸loy=途199cm玉.同选用点2L俯50×5女.也查附表冲9A折=9.606促，俯=涛1.53cm师，嫂=推2.53cm（满足）宰（满足）查附滤表（满足）（2）Cc杆扣N湾=毒－征44.65k内N强计算，涂=0.8*2漏29=潜183.2c绸m话,摩=阿229cm测选用直2L虏63×5易.皆查附表劫9A籍=12.28阀，凑=介1.94cm忧，租=蹦2.97cm(满足）从（满足）差附处表(满足）Gg杆顷N=44.3上7k易N饼计算，友=0.8*2淡89=镰231.2c锋m饿,误=炼289cm铃.舰选用旋2L换63×5猜.泄查附表灯9A印=12.28诸，羊=狂1.94cm讨，工=友2.97cm（满足）（满足）（满足）图杆件名称巾杆件编号连内力晕（魄KN瞎）天计算长尘度晶cm莲截面规格箩截面面积荣（俘cm钢²雨）刑回转半径直（阁c脏m加）矿长细比能容许长细比扇稳定系数配计算应力游削剃（洗N/mm五²兰）容上弦货FG匀-406.4愁4涛150.75盲150.75谢归痛罩额依厉帅房110×8寇0×7岛24.6阅2.39稳4.64膜63.07默52.88肉350什0.791行209填下弦菌eg矿414.34死300膀885岩首赔甚啊糊遭经鸡垃可100×8京0×6找21.28垫2.40作4.61淹125遇191.97凭愉150专闯194.70但斜腹舅aB叠-290.3祝4秘253狮253凤亏掏钥透订黎奸悠100×柜80×6宾21.28挣3.16撇3.37奶80.06来89.6馋150窗0.621废顽219维Bc跃211.62葵209.04刷261.3闹敬州匠淡召叙粮虹70×6循16.32油2.15狼3.26舅97听80谦350盼129.66情cD续-151.0领2何229.12菜286.4事吸父绍慧境膜齿梨70×6搏16.32赔2.15怒3.26衔118.10评击96.45陡150皇0.447添207.01昼De牌84.13条229.12伶286.4水街管嚼热旺骂俊航56×6撞10.84帝1.72毫2.69替133.20语106.46壶350戏帽77.61虚ef迈-38.56胶249.92队312.4邮嗽葱总破卡峰潮63×5戴12.28坛1.94挺2.97衫128.82领105.18荡陕150组0.392夏80.10蓝Fg仓-36.54护249.92闻312.4层器帝嘱绞止摊堡63×5察12.28缓1.94桑2.97妈128.82畜悄105.18源150浅0.392绸72.82仓竖杆孝Aa埋-22.53与六159.2章199谣坏搜刚奥纹武且50×5仔9.606泊1.53恒2.53则104.05惜78.65币150历0.529起兵44.34撤Cc聪-44.65仅183.2罗229剩阔支逆功吼斯趁63×5尊12.28抓1.94樱2.97琴94.4吉77.1影150吵0.594益61.21匙Ee腊-44.65炸207.2猜259廊帖岁食朗豆桃万63×5蚁12.28箱1..94引2.97个106.80舰侄87.2驴150觉0.511以71.14惨Gg舰41.37渔231.2贪289棒失翁服速讲住止63×5锹12.28怒1..94地2.97责119.17询易97.3闭350恼逗33.69杆件设计愤（玻1滚）屋脊节点寨竖糊杆脊G径g城杆端焊缝按构晒造搭取隶h胆f捏和魄l挥w隶为撇5mm贺和嫁80mm川。上弦节点板鹅的连接焊缝，霉角钢肢背采用罩塞焊缝，并假唐定仅承受屋面蔽板传来的集中毒荷载，一般不谅作计算。角钢兆肢尖焊缝取上另弦内力岸的扭1懂5争％，彩即掘△欺N=0.15桂N=0.15呀×406.2权4=60.9不7k铸N湖。其产生的偏胜心弯辰矩铃M=60.9窝7×1000奏×线60=365扑8200N·铃mm潮设肢尖焊脚尺鼻寸籍hf2=绳6mm源，则焊缝计算闻长星度找lw2=20腐0-2×6-革5=么183mm微。验算肢尖焊瞒缝强度腔跟√铜〔祸6M肿/棋（墓β朽f×2×0.拿7hf2lw请2唤²饱）哀〕格²衬+仅〔油△胡N/2×0.晋7hf2l损w行2屋〕溪²奏=矿√器〔骄6×3658景200/(1未.22×2×僚0.7×6×集183赠²削）互〕雄²粉+琴〔柱60.97×误10³/2×调0.7×6×丢18绪3披〕任²=71.1板6N/mm都²吉＜喷=160N无/mm怒²昂（满足）售上弦杆起拱后乌坡度他为生1/10恶.轿拼接角钢采用葡与上弦相同截伯面，热弯成型滨。拼接角钢一杆侧的焊缝长度吊按弦杆所受内束力计算。设角芽焊缝焊脚尺矩寸驶hf=t-2刚=7-2=霉5mm逆。则接头一侧猎需要的焊缝计讯算长度为：元Lw=N/(斜4×0.7h配f速)=406.葱44×10³漏/漂（尾4×0.7×先5×16侍0旧）哀=约181.23苍mm毒拼接角钢总长挠度为：巷L=找2群（烛lw+2h镰f匙）证+a=2械×状（洽181.4+缎2×炊5堂）华+秆（到7+2/10许×8娃0篮）陆=翁405.8m从m西取嚷L=真410mm沟拼接角钢竖肢姥需要的高度为辰△刘=t+hf+部5=7+5+绕5=相17mm见取舟△东=暂20mm树，即竖肢余留济高度为乒60mm构。下弦拼接点声拼接角钢采用浑下弦相同截面侨，拼接角钢一凑侧的焊缝长度舅按与杆件等强启设计。设角焊叼缝焊脚尺容寸炊hf=6-2茫=惯4mm谊.榜则拼头一侧的吊需要的焊缝计塘算长度为李Lw=Af/清(4×0.7质hf独)=21.2似8×100×养215姿/剩（酱4×0.7×福6×16露0屡）妖=凶170.2m柴m颂拼接角钢的总很长度炭L=怕2寨（瘦lw+2h喉f槐）按+a=2弹×役（供170.2+拿2×岂4理）足+8=摘364.4m派m打。氏取租L=装370mm在拼接角钢竖肢全需要切去的高杠度为核△曲=t+hf+府5=6+4+杰5=德15mm绿