软土地基处理新技术强夯学习教案.ppt

会计学2加固(jiāꞬù)机理2.1动力(dònglì)密实非饱和土的夯实过程，就是土中的气相(空气)被挤出(jǐchū)的过程，其夯实变形主要是由于土颗粒的相对位移引起。5、夯实(hānɡshí)法
重锤夯实(hānɡshí)
强夯(3)强夯法青岛港8号码头(mǎtou)强夯挤淤工程强夯与强夯置换(zhìhuàn)DynamicConsolidationtocreate“compactedsandraft”toallowslab-on-gradeandforinfrastructure
DynamicReplacementsandcolumnstosupportcolumnloads;increasebearingcapacityandreducesettlementTheNiceAirportisreclaimedland,soguaranteeingabsoluteanddiferentialsettlementsrequiredanaggresivesoilimprovementcampaign.
DGI-Menardproposedtheuseofthefamousdynamicconsolidationmethod,butatunusuallyhighenergies.
Thecranerepresentedinthispictureisabletolifta100Tpounderataheightof40m.Itwasspeciallydesignedandbuiltforthisparticularsite.Thecomparisonofitsheightwiththesizeofthemanwalkingnearthefallenpounderisquiteimpressive.(2)重捶夯实(hānꞬshí)法在冲击(chōngjī)动能作用下，地面会立即产生沉降，一般夯击一遍后，其夯坑深度可达0.6—1.0m，夯坑底部形成一层超压密硬壳层，承载力可比夯前提高2—3倍。夯
坑动力密实的应用(yìngyòng)范围动力(dònglì)密实的应用范围肇庆—花都—博罗输变电工程(gōngchéng)花都站土石方强夯施工动力(dònglì)密实的应用动力密实(mìshi)的应用水下地基(dìjī)加固2.2动力(dònglì)固结由于土体产生(chǎnshēng)裂隙或趋于液化，引起渗透性增大。1）饱和(bǎohé)土的压缩性；地基(dìjī)压密固结模式图南同蒲铁路(tiělù)介休通信站工程强夯加固湿陷性黄土静力触探曲线青岛港8号码头(mǎtou)强夯工程青岛港8号码头(mǎtou)强夯工程2.3动力(dònglì)置换动力置换(zhìhuàn)类型桩式置换(zhìhuàn)/动力(dònglì)置换(Railwaytrack,Malaysia)动力(dònglì)置换ALEXANDRIACITYCENTER(Shoppingcenter-Egypt)动力(dònglì)置换的应用范围动力置换的应用(yìngyòng)范围3设计(shèjì)计算3.2夯锤和落距加固宽度(kuāndù)计算图3.3最佳(zuìjiā)夯击能3.4夯击点布置(bùzhì)及间距某仓库(cāngkù)夯击点布置（三角形）ThermalK-12EducationalPark,CoachellaValleyCalifornia(US)NICEAIRPORT(France)AbuDhabiCorniche
(UnitedArabEmirates)3.5夯击击数与遍数3.6垫层铺设(pūshè)4效果(xiàoguǒ)检验感谢您的观看(guānkàn)！内容(nèiróng)总结