书作文之钢结构毕业设计计算书Word文件下载.docx
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土木12-3班指导教师:
赵燕茹教授
摘要
本文为宣化县某教学楼建筑结构设计计算说明书。
该建筑层数5层,层高3.3m,建筑总面积5346m2,结构体系为无支撑钢框架体系,结构安全等级三级,设计使用年限50年。
设计基本加速度0.15g,建筑场地类别Ⅱ类,设计地震分组第二组。
设计分为建筑设计和结构设计两部分。
计算书包括结构布置,截面初选,计算简图,荷载计算,内力计算,内力组合,截面验算,节点设计,楼梯设计,雨篷设计,次要构件设计和基础设计。
该结构采用纵向框架承重体系,选取第4榀框架为代表框架进行计算。
钢材为q235b,框架柱选用焊接箱型截面,框架梁选用窄翼缘轧制h型钢,楼板选用非组合楼板,选用yxb42-215-645(b)压型钢板,梁柱节点采用栓焊连接,基础采用柱下独立基础和柱下联合基础。
关键词:
钢框架,结构设计,教学楼设计。
abstract
thisarticlefocusesonauniversityforxuanhuaxianteachingbuildingstructuredesign.thebuildinglayers5floor,theheightof3.3m,totalconstructionareaof5346m,structuresystemofnosupportforsteelframe,seismicratingofⅢ,designeddurableyearsof50years.thedesignbasicaccelerationis0.15g.classiiofbuildingsiteclassification.thedesignearthquakegroupissecond.thedesignincludesarchitecturaldesignandstructuraldesign.
thecalculationincludesstructuralarrangement,sectionalprimaries,calculationdiagram,loadcalculation,calculationofinternalforces,internalforcecombination,sectioncheckup,nodedesign,staircasedesign,awningdesign,secondarycomponentdesignandfoundationdesign.
thestructureuselongitudinalframeload.itisarepresentativeforcalculating4cross.thebrandofsteelisq235b.framecolumnadoptsweldedboxsection.framebeamadoptsrollingh-beam.flooradoptspressedsteelplateyxb-42-215-645(b).beam-columnjointsadoptsbolt-weldjoint.thefoundationadoptsindependentandjointbasis.
keywords:
steelframe,structuraldesign,teachingbuildingdesign
2
目录
引言.................................................................................................................................................-1-
第一章结构设计方案概述...........................................................................................................-2-
1.1设计依据...........................................................................................................................-3-
1.2设计说明...........................................................................................................................-3-
1.2.1屋面(不上人屋面)............................................................................................-3-
1.2.2楼面:
....................................................................................................................-3-
1.2.3门窗........................................................................................................................-4-
1.2.4墙体........................................................................................................................-4-
1.3结构形式...........................................................................................................................-4-
1.4材料选用..........................................................................................................................-4-
1.5主要参数及结构计算方法...............................................................................................-4-
第二章结构布置及截面初选.......................................................................................................-5-
2.1计算单元确定..................................................................................................................-5-
2.2结构构件截面初选...........................................................................................................-5-
2.2.1梁截面按跨高比初估:
........................................................................................-5-
2.2.2柱截面按中柱初估:
............................................................................................-6-
2.2.3压型钢板................................................................................................................-6-
2.2.4结构构件初选截面参数........................................................................................-7-
第三章框架梁柱刚度计算.........................................................................................................-7-
3.1层间侧移刚度计算..........................................................................................................-7-
3.1.1梁线刚度计算........................................................................................................-7-
3.1.2柱线刚度计算........................................................................................................-8-
.........................................................................................................................................-8-
3.1.3柱侧移刚度计算....................................................................................................-9-
第四章荷载计算.........................................................................................................................-10-
4.1屋面均布荷载(不上人屋面)..........................................................................................-10-
4.1.1恒载......................................................................................................................-10-
4.2.2活载:
.................................................................................................................-11-
4.2楼面均布荷载:
.............................................................................................................-11-
4.3构件自重.........................................................................................................................-12-
4.3.1柱.........................................................................................................................-12-
4.3.2梁..........................................................................................................................-12-
4.3.3墙体......................................................................................................................-12-
4.4重力荷载代表值计算.....................................................................................................-13-
4.5地震作用计算.................................................................................................................-14-
4.5.1结构自振周期t1计算.........................................................................................-14-
4.5.2水平地震作用分析..............................................................................................-15-
第五章内力计算.........................................................................................................................-18-
5.1水平地震作用下框架内力计算(采用d值法)........................................................-18-
5.1.2框架柱端弯矩计算..............................................................................................-19-
5.1.3框架梁端弯矩、剪力及框架柱轴力计算..........................................................-20-
5.1.4地震作用下框架内力图......................................................................................-21-
5.2竖向荷载作用下框架结构内力.....................................................................................-22-
5.2.1恒载作用下计算简图及活荷载作用下计算简图..............................................-23-
5.2.2竖向荷载作用下梁固端弯矩计算......................................................................-25-
5.2.3梁、柱分配系数计算..........................................................................................-26-
5.2.3竖向荷载作用下框架弯矩计算..........................................................................-27-
5.2.4竖向荷载作用下梁端剪力..................................................................................-33-
5.3横向框架的内力组合....................................................................................................-35-
第六章截面设计.........................................................................................................................-39-
6.1构件验算........................................................................................................................-39-
6.1.1框架梁验算..........................................................................................................-39-
6.1.2框架柱验算..........................................................................................................-41-
6.2节点设计........................................................................................................................-43-
6.2.1框架梁柱节点验算..............................................................................................-43-
6.3次梁设计................................................................................................................-45-
6.3.1主次梁节点设计..................................................................................................-46-
【篇二:
钢结构办公楼毕业设计结构计算书】
设计题目:
钢结构办公楼
1.摘要〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃2
2.设计概况〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃6
3.结构布置〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃6
4.荷载计算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃9
5.重力荷载标准值计算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃11
6.水平地震作用下的内力计算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃19
7.风荷载作用下框架内力计算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃27
8.竖向荷载作用下框架内力计算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃31
9.框架梁柱的内力组合〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃54
10.框架柱验算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃54
11.框架梁验算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃67
12.节点设计〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃69
13.压型钢板组合楼板计算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃82
14.组合次梁设计〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃93
15.楼梯计算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃103
16.基础计算〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃108电算校核〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃114参考文献〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃120致谢〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃〃122
摘要
本工程为办公楼新建工程,采用框架结构(全钢结构),主体五层,抗震设防烈度为7度,场地类别为ii类。
主导风向为西南风,基本风压0.65kn/m2,基本雪压0.35kn/m2。
楼板、屋盖均采用压型钢板组合楼板。
本设计选取4轴所在的横向框架作为结构计算单元,先后进行了横竖向荷载下的内力分析、内力组合、施工图绘制等工作,具体包括:
荷载汇集,重力荷载代表值的计算,横向框架侧移刚度计算,水平地震荷载作用下的内力计算及位移验算。
风荷载作用下的内力