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—-—-- -I_ '7:, , , <br /> SLOPING GROUND SURFACE TRAFFIC SURCHARGE IF ANTICIPATE•4 <br /> NO-LOAD ZONE LIMIT <br /> (40:." ‘17?" <br /> \\ t5'MI F. <br /> \ 4 <br /> • c...„„ /7 <br /> _ _ <br /> \ eI <br /> t\ b "-""�'�` I-•75 PSF TRAFFIC r � 1 <br /> % iSURCHARGE PRESSURE /� D� <br /> Irt <br /> la <br /> FOR LEVEL BACKSLOPE 1 I $M <br /> X=35 H FOR UNRESTRAINED CONDITIONS 11 bi J <br /> IN THE OUTWASH LAYER 1 1{ <br /> X=55 H FOR FULLY RESTRAINED CONDITIONS I I i i�iO <br /> FOR MAXIMUM BACKSLOPE 1.5H:1V <br /> t1 O!2 <br /> SURCHARGE=1/2 SLOPE HEIGHT 1 t A. <br /> 350(D-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 /> 1 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 /> 8 <br /> r <br /> p associated0001;\"N <br /> 4 earth sciences <br /> u . r7 , s c =, i e i9 <br /> ..<, <br /> w <br /> ii SOLDIER PILE RETAINING WALL <br /> I DESIGN CRITERIA <br /> % 2721 WETMORE <br /> i; EVERETT,WASHINGTON <br /> a PROJ NO. `DATE: FIGURE: <br /> E 190168E001 1 8/19 3 <br /> Page 3 of 20 <br />