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1、Soil MechanicsSoil mechanics is a professional foundation course,and is also acompulsory course for undergraduates majoring in civil engineering aswell as traffic engineering,water conservancy engineering,miningengineering,marine engineering,and other majors closely related toinfrastructure construc
2、tion.In the setting of the teaching training scheme,soil mechanics is a coursefor junior students,and its pilot courses and related courses of soilmechanics include Advanced Mathematics,College Physics,CollegeChemistry,Material Mechanics,Elastic Mechanics,Hydrogeology andEngineering Geology,etc.Impo
3、rtance and scheme1)Soil mechanics is a branch of mechanics.It takes soilclosely related to human activities as a research object,and then uses mechanical principles and geotechnical testtechniques to study the engineering properties of soil.Itsa discipline that studies the engineering mechanicalprop
4、erties of soil,including the stress,strain,strengthand stability,under the action of the external factorssuch as load,rainfall,and temperature.Characteristics and practicality2)Soil mechanics:Soil mechanics is a practicalengineeringtechnologyscience,andcloselyrelated to civil engineering constructio
5、n.Geotechnical EngineeringThe civil engineering construction involvingrock,soil and underground is called geotechnicalengineering.土力学土力学Soil MechanicsSoil MechanicsProf.Prof.H.J.LiaoH.J.LiaoThe engineering constructions,including pitexcavation,underground excavation,highway andrailway,bridge,tunnel,
6、water conservancy andelectricpowerengineering,mine,oilfield,etc.,depend on the geological conditions of the site andmechanical behavior of the soil.土力学土力学Soil MechanicsSoil MechanicsProf.Prof.H.J.LiaoH.J.LiaoThe characteristics of the soil mechanics course is that as animportant basic applied course
7、 and an engineering practicalscience,it is to study the ground characteristics of buildings,theengineering characteristics of rock and soil and the prevention ofgeological disasters related to human engineering activities.It isalsousedtoanalyzeandsolvetheengineeringproblemsencountered in the design
8、and construction of the foundation andproblems associated with geomaterials.It is an important part ofthe civil engineering discipline.土力学土力学Soil MechanicsSoil MechanicsProf.Prof.H.J.LiaoH.J.LiaoMain contents The main contents of this course include the basicproperties of soil,calculation of stress
9、in soil and threecore contents,i.e.,soil permeability,deformation andstrengthcharacteristics,aswellasthreetypesengineering problems,including bearing capacity,slopestability and earth pressure of retaining wall.Physical properties of soilSoil compactionStress in groundPermeabilityShear strengthBeari
10、ng capacitySlope stabilityEarth pressureGuidelineEdited By Liao Hongjian,Su Lijun,Li Hangzhou,Xiao Zhenghua,Soil Mechanics,Xian JiaotongUniversity Press,2015.12TextbookEdited By Liao Hongjian,Li Rongjian,Liu EnlongSoil Mechanics(3rdEdition),Higher education press,2018.1The Leaning Tower of Pisa,Ital
11、yEngineering exampleGalileoFree-fall experimentThe Leaning Tower of Pisa土力学土力学Soil MechanicsSoil MechanicsProf.Prof.H.J.LiaoH.J.LiaoThe Leaning Tower of PisaWhy is it eventually becoming a leaning tower?Soil in a special condition will trigger various engineering cases.土力学土力学Soil MechanicsSoil MechanicsProf.Prof.H.J.LiaoH.J.LiaoStatementStatement:Thanks for some pictures and materials fromthe Internet used in this courseware only for teaching.