道路工程双语课件才华

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1、第一章总论(Introduction)Howfasttimeflies,nowyouarethethirdyearuniversitystudents(juniorcollegestudent)!Isthatright?Ihavethehonortobeyourroadengineeringteacherinthisterm,ourtaskistostudyroadengineering.Iwishthatwecansuccessfullyfinishthestudyofthiscoursethr

2、oughourjointeffortsandcooperation.Asweknow,theroadengineeringisoneofthemainscourseoftheroadengineeringdirectionofcivilengineering.Becausetheconceptofcivilengineeringhasbeenwidelybroadened,itisnecessaryforthestudentsofbuildingengineeringtounderstandthi

3、scourses.Infact,theroadengineeringinourcountryhasbeendevelopedrapidlyinrecentyears,ourcountryneedalargenumberofscientificresearcher,engineeringdesigners,constructionandmanagementengineeringtechnicians.So,intermsofmarketdemands,roadengineeringisalsoave

4、ryimportantcourse.§1-1道路工程发展概况(theroadengineeringdevelopingconditions)1发展历史(history)**beginningwiththeShangDynasty(开始于商代)（natural-soilroadforcarriageorwalkingforhuman）**initialdevelopingstage20世纪—1949（公路13万公里）--初步发展阶段**stabledevelopingstage1949—1980--

5、-稳定发展阶段**highspeeddevelopingstage1980---现在---高速公路飞速发展阶段2道路工程的概念涉及道路工程（公路、城市道路、机场道路）的设计，道路材料，道路的施工养护管理的一门科学。Thesubjectwhichmainlyareconcernedwiththedesignofhighway、urbanstreetroad、airportground,andwiththeroadmaterial,roadconstruction、themanagementofroa

6、dmaintenanceandrehabilitation.553．涉及的学科材料、岩土工程、结构分析、机电工程，量测，管理。Thematerial、geotechnical、structureanalyses、machineryengineering,measurement、managementscience.§1-2路基路面工程的特点1路基路面的概念2基本特点---工程量大(earthwork)（微丘区(hill)：8000-16000m3/km2重丘区(montain)：20000-6000

7、0m3/km2-----造价高(highinvestment)----技术复杂(complicatedtechnique)3路基路面的基本功能(basicoressentialfunction)a：承载力（强度和刚度二个方面）b：稳定性（气温(tempreture)、降水(precipitation)、湿度变化）c：耐久性（疲劳特点）durabilityorfatigued：表面平整度(evenness)f：表面抗滑性能（安全性）roadsurfaceanti-slidingperformance

8、§1-3影响路基路面稳定的因素分析（人为、自然）自然因素(naturalfactors)一．地理条件（geographicalcondition）平原-丘陵—山岭plain---drainageisthekeyproblemhillandmountain–slopestability二．地质条件土质、岩土类型、构造、岩溶、滑坡等到不良地质现象三．气候气温、降水、温度、冻胀等四．水文及水文地质条件55人为因素(artificialfactors)一．载荷（静载、动载）二．路面结构、路