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, � ,,,� �� 1988 4 883-1580 <br /> Maximun� Allow�ble 8e�ring Pressures: <br /> tompact to Dense Till, 3000 psf <br /> Comp�cted Structur�l Filt, ^000 psf <br /> (95 percenL of ASTM D 1551-76 D) <br /> These v�lues m�y be increised by <br /> 1/3 for short tern� wind �nd sefsmic <br /> ; <br /> lotding�. <br /> Minimum Embedment: <br /> i Perimeter footings: 18 inches below <br /> � �d�uent grades <br /> Intertor footings: l2 inches belaw <br /> od,��cent gr�des <br /> � Mtnimum Midth: <br /> Isol�ted Footings: 18 inches <br /> Continuoas Footings: 12 inches <br /> lateral Load Reslstance: <br /> I Allow�ble Passive Resistance 350 pcf <br /> toefficlent of B�se Friction 0.4 <br /> i The values for lateral lozd resist�nce <br /> 1�oc�ude � futor of s�fety. Th� top foot of <br /> depth shoutd be neylected in design camDut�tions <br /> if the p�sslve up�city unless the soil is <br /> confined bene�th � p��ement or sl�b. <br /> � Settlement: <br /> Tot�l Settlement: 3/1 inch <br /> � Differential Settlement: 1/2 inch <br /> i <br /> � 5.3 �],00rs <br /> � Conventional slab-on-gr�de floors or structurally supported fr�med <br /> ' floors m�y be used if they are supported an the so11s discussed �bove as <br /> computedito �tule�st 90�percentbof�ASTMdD 1557a78D,be supported on fill <br /> ' Th� concrete s1�bs should be underlain by a c�pill�ry break consisting <br /> of �t le�st four inches of clean, free dr�ining s md and gr�vel or <br /> I crushed rock cont�ining less than 3 percent fines b�sed on the minus No. <br /> � <br /> Golder A�socida <br />