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ID:31304941
大小:232.42 KB
页数:4页
时间:2019-01-08
《木结构试题1》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、1•List3ormoreproblemsoftimberconstruction.2.Listthreereasonswhywoodisconsideredasenvironmentallyfriendlybuildingmaterial・3.Supposeyouwanttoconnectasteeltensionrodtoawoodenbeam.Recommendasolutionbasedonthestrengthandtheweaknessofwood・Explainyouranswer.4.List4designchecksyouhavetodowhendesigningabeam.
2、5.Atensionmemberisasfollowing・Pleasecalculatethenetarea(An)ofthismemberwhenyoucheckitstensionstrength.Diametersofalltheboltholesare12mm.4—zt丄--■4+Tt~f-XL—->•・►.100,100]1005「100j6.Pleaseexplainhowtotransfertheforceinsteelbartotimbermembers.7.Pleasegivetheelementnameswhicharedrawninthefollowingfigure
3、.AnswerKeyX171717171234/(7(7/(z/1.answer:(1)Decayofwood(2)Fireretardance(3)Termitecontrol(4)Diffcrcntstrengthindiffcrcntdirection,etc2.answer:(1)Woodproductsbringlesswastesandpollutionthantheothermaterials(2)Woodisatenewableresource(3)Woodisenergyefficient3.answer:Hint:Thesteeltensionrodshoul
4、dpassthroughthewoodenbeamtotransferthetensionintocompression,whichcantakegoodadvantageofwoodhighcompressionstrength.4.answer:ThebendingresistancebearingcapacityTheshearingresistancebearingcapacityThedeflectionThestability5.answer:&=40x185-7x40x12=4040mm26.Pleaseexplainhowtotransfertheforceinsteelbar
5、totimbermembers.7.Pleasegivetheelementnameswhicharedrawninthefollowingfigure.Trj$$(orraftw)RoofsheathingBridgingLoadbearingrrtortorwhPTopwallplateAoorjhwitNngBuBtupboom•■■SdipureBottomwaipt»MWahsheading练习答案一、单选题l.C2.B3.A4.B二、多项选择题1.A,B,C
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