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� <br /> � <br /> `. TAQLE OF CONTENTS <br /> `� � Paae D:o <br /> � INTRODUCfION......_................_.........................................___............._.............._.............................._ i <br /> . PROJECTUNDERSTANDING . .................................._.............._.........................................................._ 1 <br /> IGEOLOGY...._......................................................................................................................................... _ 2 <br /> � <br /> SITECONDITIONS................._..... ........................................................................................................_ _ <br /> � SURFACE CONDITIONS......................................................_.......................................... ..........__. 2 <br /> SUBSURFACECONDITIONS ...................................................................................................... _ .', <br /> General ............ .................................................................................................................._ _ � <br /> � <br /> 1 Soil Conditions _ .. . . . . .... ..... . .. ... . . _ _ � <br /> GroundwaterConditions......................................................................................................._ _3 <br />' I CONCLUSIONS AND RECOMNIENDATIONS..............................................................................._....__ _4 <br /> I r SUMMARY OF KEY GEOTECHNICAL ISSUES....................................................................... _ �i <br /> . . EARTHQUAKE ENGINEERING.........._........................................................................................_ : <br /> Seismicit ���`i <br /> 1 Y . . .. . . . . . . <br /> SeismicDesign .. .. ........................................................................................... ................... . 5 <br /> Liquefaction ......_...................................................................................................................__5 <br /> GroundRupture..................................................................................................................___ 5 <br /> lEXCAVATION SUPPORT...........................................................................................................____6 <br /> � General .............................................................................................................................. ._ _.6 <br /> TemporaryCut Slopes............................................................................................................ . "o <br /> I Soil Nail Walls ...........................................................................................................................7 <br /> SoldierPile and Tieback Walls..................................................................................................9 <br /> Underpinning of Adjacent Structures............................................................................... .......12 <br /> i TEMPORARYDEWATERING ................................... . ............................................................._.... 12 <br /> SHALLUNJFOUNDATIONS..............................................................................................................12 <br /> Conventional Spread and Continuous Wall Foolings............................................................. 12 <br /> � Structural Mat Founaations .._.... _. . ..... ..... ..._............................................................13 <br /> lLateral Resistance...................................................................................................................13 <br /> Cons[ruciion Considerations....................................................................................................13 <br /> ( SLAB-ON-GRADE.............................................................................................................................14 <br /> SubgradePreparation..............................................................................................................14 <br /> DesignParameters..................................................................................................................14 <br /> � Below Slab Drainage ...............................................................................................................14 <br /> BELOWGRADE WALLS...................................................................................................................15 <br /> � Permanent Subsurface Walls ..................................................................................................15 <br /> OtherCast-in-Place Walls........................................................................................................15 <br /> 1 . Drainage...................................................................................................................................16 <br /> EARTHWORK.. ................................................................................................................................'16 <br /> SubgradePreparation..............................................................................................................16 <br /> IStructural Fill............................................................................................................................16 <br /> � PAVEM[NT RECOMMENDATIONS _...................... ....._........18 <br /> Subgrade Preparation _ __ ... . _...__ ... . ........... ......_........... .1b I <br /> __. _._. <br /> � <br /> � <br /> I <br /> � F,Ir��n l�l'i�l'.q0i.:i0 ������� �����,° i GEOENGINEEF� <br /> .�lui'i�+t 1 ti. :IIOL <br />