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1、《剪力图与弯矩图》科目工程力学授课日期2006-06-02（周五）第1、2节授课班级05钳工班应到人数46教务审签及日期（科长签名）实到人数462006-05-29课题剪力图与弯矩图课时2学时课型新授课教材《工程力学》中国劳动与社会保障出版社教学目的及要求【知识目标】1．掌握剪力图和弯矩图的绘制方法（基本法和简捷法），并能熟练掌握用简捷法绘制剪力图和弯矩图；2．透彻理解并熟记绘制剪力图与弯矩图的规律表及口诀；3．明确用简捷法绘制剪力图与弯矩图的要点及注意。【能力目标】1．培养学生归纳总结问题、分析问题、解决问题和绘图的能力；2．通过本次授课，进一步激发起学生的学习兴趣。教学重点1．简捷法
2、绘制剪力图与弯矩图；2．绘制剪力图与弯矩图的规律表及口诀；3．用简捷法绘制剪力图与弯矩图的要点及注意。教学难点1．集中荷载作用点处剪力图的绘制；2．力偶荷载作用点处弯矩图的绘制；3．无荷载区段弯矩图的绘制。教具及参考书1．三角板、小黑板。2．教学参考书《工程力学》主编：范钦珊等，高等教育出版社。授课方法讲授与练习、启发讨论、诱导式、归纳总结法。教学准1．课前预习：上一节课后，布置了两道尝试题，用列剪力方程和弯矩方程绘制梁的剪力图与弯矩图。feelfreetolistentotheirvoicesandhelpthemassessolveproblems,wewereofficiallyo
3、penedonMay10"12345"Mayorcalls,formulatedrulesandregulations,equippedwithafull-timestaff,a24-houron-dutysystem,peopletocalltoreceive,reply,action,reminders,feedbackandsoon.Byyearend,handledthecrowdcalls1076,94.7%feedbackrate. ByMayorcallsactivecoordinationtosolvealargenumberofbearsontheimmediatei
4、nterestsofthepeopleandissuesofgreatlives,butalsoforleadershipresearchanddecisiontocollectalotofgoodideasandsuggestions,byallsectorsofthecommunityalike.Second,startMunicipalGovernmentAffairsHallbuilt.OnMay11,webuiltandlaunchedthecity-governmentlobby,weresettledin12departments,strictimplementationo
5、ffirstaskingdutysystem,servicesystem,systemofgratuitous,"receiving,internalcoordination,headofthewindowhandle,limitedtimeconcluded"one-stopservice.Bytheendoftodaytoacceptvarioustypesof3,273,originallyofupto100%. RunningGovernmentAffairsHall,theconvenienceofthemasses,promotingopenGovernment,impro
6、vetheinvestmentenvironmentandsolvetheirpracticalproblems,andsodidalotofwork,masses,servethecommunityfortheGovernmenttoplayaverygood"window,link,model".Third,createacitygovernmentpublicaffairsnetwork.WerelyontheGovernmentWebsite,wascompletedonMay24,theprovince'sfirstpublicaffairsnetwork.Over备2．课前在
7、小黑板上写出这两道尝试题。3.课前复习直线方程及倾斜量。14．复案、资料准备：教材、教案、教学日志及记分册等。课前分析【课题分析】剪力、弯矩图不仅能反映内力随梁截面位置变化的分布情况，而且还是分析梁的危险截面的依据之一。因此熟练、正确地绘制剪力与弯矩图是本次授课的重要内容。【授课对象分析】学生在本章前几节课中已经系统的学习了剪力、弯矩的求法，绘制剪力图、弯矩图的概念，具备学习本节课内容的基础知识和能力。然而，该班学生基础参差不齐，授
