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I I • <br /> SLOPING GROUND SURFACE TRAFFIC SURCHARGE IF ANTICIPATED <br /> _ UPJD_1\5ELIIMM 4. 4.....M <br /> NO-LOAD ZONE LIMIT/ `-- ! • <br /> \ 1 ,iqfr. <br /> eibk <br /> so <br /> .. .._5(to <br /> lob <br /> \._ (z) <br /> 15'MI a' <br /> • LOVtir 24::1.,,,, <br /> ` w <br /> 1 <br /> \ a. """�"' %-•75 PSF TRAFFIC <br /> • <br /> ‘ ;' SURCHARGE PRESSURE 1Z .rtk 4 YN <br /> ) <br /> 0, i iLfskA15r 0 <br /> X ska,cri,r4 fatlead. <br /> Ilir NI <br /> ' FOR LEVEL BACKSLOPE I I �i <br /> X=35 H FOR UNRESTRAINED CONDITIONS I I ��j J <br /> IN THE OUTWASH LAYER I .-1_ <br /> X=55 H FOR FULLY RESTRAINED CONDITIONS 1 II ti!p <br /> FOR MAXIMUM BACKSLOPE 1.5H:1V I I ff'z <br /> SURCHARGE=1/2 SLOPE HEIGHT I I t. <br /> 350(0-2) <br /> PASSIVE PRESSURE ACTS <br /> OVER TWICE PILE DIAMETER <br /> NOTES: PASSIVE PRESSURE TRUNCATED <br /> 2 FEET BELOW BASE OF EXCAVATION <br /> 1. SOLDIER PILE EMBEDMENT DEPTH"D"SHOULD CONSIDER NECESSARY VERTICAL CAPACITY.KICKOUT,AND ' <br /> OVERTURNING RESISTANCE. <br /> 2. ALL TIEBACK ANCHORS-IF USED-SHALL BE PRESTRESSED TO 130 PERCENT OF DESIGN LOAD AND LOCKED OFF AT <br /> 100 PERCENT OF DESIGN LOAD. AT LEAST TWO ANCHORS ON EACH SIDE OF THE EXCAVATION SHALL BE PRESTRESSED <br /> TO 200 PERCENT AND MONITORED FOR CREEP. TIE-BACK ANCHOR ZONE IS TO BE LOCATED BEHIND THE NO-LOAD ZONE. <br /> 3. ALLOWABLE TIEBACK-SOIL ADHESION=2KSP FOR THE DENSE GLACIAL TILL. <br /> 4. PASSIVE PRESSURES INCLUDE A FACTOR OF SAFETY OF 1.5. <br /> 5. ALLOWABLE SKIN FRICTION OF SOLDIER PILE-2 KSF OVER DEPTH"D-2". ALLOWABLE END BEARING=20 KSF <br /> CONCRETE BACKFILL. <br /> 6. DIAGRAM DOES NOT INCLUDE HYDROSTATIC PRESSURES AND ASSUMES WALLS ARE SUITABLY DRAINED TO PREVENT <br /> BUILDUP OF HYDROSTATIC PRESSURE WITH NO SLOPE AT TOP OF WALL. <br /> 7, DIAGRAM IS ILLUSTRATIVE AND NOT REFERENCED TO A PARTICULAR LOCATION. <br /> 8. DIAGRAM DOES NOT INCLUDE PRESSURES DUE TO SURFACE SURCHARGES FROM ANY ADJACENT STRUCTURES, <br /> THESE PRESSURES MUST BE PROVIDED BY THE STRUCTURAL ENGINEER. <br /> 9.BASE OF EXCAVATION SHALL BE DEFINED AS THE FOUNDATION SUBGRADE ELEVATION ®. <br /> 1 <br /> a <br /> a s s o c i a t e d <br /> ! , <br /> 1010,‘"Nearth sciences. .1 . ;s 0 ,• , i E, d <br /> 8 <br /> SOLDIER PILE RETAINING WALL <br /> i DESIGN CRITERIA <br /> % 2721 WETMORE <br /> R EVERETT,WASHINGTON <br /> a PROJ NO. IDATE: FIGURE: <br /> i 190168E001 8/19 3 <br /> Page 3 of 20 <br />