《工程地质专业英语》

《《工程地质专业英语》》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、《工程地质专业英语》教学大纲课程代码：课程名称：工程地质专业英语学时安排：总学时36学分：2适合专业：工程地质先修课程：《大学英语》，《工程地质学》，《工程岩土学》等教材：〈工程地质专业英语〉郑孝玉编，吉林大学校内讲义，2005，7参考书：编写人：Ø教学目的和要求工程地质专业英语是工程地质专业4年级学生的选修课，是在学生学习和掌握了基础理论课，专业课及大学英语之基础上为培养和提高学生专业英语能力而设置的。通过讲授和与学生交流为他们灌输一些相关专业词汇，表述方式及科学文献的翻译、课程写作技巧和规范等。为将来

2、学习和工作储备一些相关知识。Ø课程内容概要1．本课程教学内容lTheEngineeringPropertiesofRocks1）rockindexpropertiesCertainindexpropertiesofrocksareofparticularimportancetotheengineering,whicharedefinedbelow.Specificgravity(GsandGb).Gbisthespecificgravityofthesolidmineralmaterialoftheroc

3、kbyitself.Gbisthespecificgravityofthecompleterock,grainplusvoids,withthevoidsemptyexceptforair.Botharedefinedasaweightperunitvolume.Saturationmoisturecontent(is).Thisisthetotalamountofwaterpresentinarockwiththevoidsfull.Theratioofweightofwatertodryweighto

4、frocksample,expressedasapercentage,isthesaturationmoisturecontent(is).Moisturecontent(W).Thisistheamountofwaternormallypresentinthevoidsofarock,againexpressedasapercentage(seeis)above.Rocksarerarelysaturatedwithwater,thusinnormalcircumstanceswislessthanis

5、.Porosity(n).Thisistheratioofvolumeofvoidsinarocktotalvolumeofthesample.Itisexpressedasapercentage;10%average,5%islowandmorethan15%ishigh.Thefactorsthatcontroltheporosityofterrigenoussedimentaryrocksandsoilsareasfollows:(a)Thedegreeofcementation(b)Thesort

6、ingofthesediment(c)Thepackingofthegrains(d)TheshapeofthegrainsWater-yieldingcapacity.Notallofthewaterinarockcanberemovedfromitbyflowundertheforceofgravity.Someisheldasafilmonthesurfaceofthegrainsbycapillaryforces.Permeability(k).Thisisameasureofthefluidco

7、nductivityoftherockforagivenhydraulicgradient.1）basiccharacteristicsofsoils2.1thenatureofsoilsThedestructiveprocessintheformationofsoilfromrockmaybeeitherphysicalorchemical.Thephysicalprocessmaybeerosionbytheactionofwind,waterorglaciers,ordisintegrationca

8、usedbyalternatefreezingandthawingmincracksintherock.Thechemicalprocessresultsinchangesinthemineralformoftheparentrockduetotheactionofwater(especiallyifitcontainstracesofacidoralkali),oxygenandcarbondioxide.Chemicalw