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AUSTIN ROAO LANOFILL VERTICAL EXPANSION <br />PRIMARY SETTLEMENT OF SUSGRAOE UNDER HORIZONTAL EXPANSION LINER (LF -2) <br />REFUSE DENSITY: <br />TO LSS/FT•3 <br />SOIL DENSITY' <br />110 LBS/FT" 3 <br />VOID RATIO (Eo) <br />0.8 <br />PRIMARY CONSOLIDATION COEF (Ccl LAYER 1 1 <br />0.22 111 CLAY <br />PRIMARY CONSOLIDATION COEF. (Cc) LAYER 2 <br />0.09 1 SILTY CL ' <br />PRIMARY CONSOLIDATION COEF (Cc) LAYER 3 <br />0.09 (11 SILTY CL <br />PRIMARY CONSOLIDATION COEF. (Cc) LAYER 4 <br />0.09 1 SILTY CL <br />SUBGRAOE LAYER DEPTH <br />10 FT <br />PRIMARY SETTLEMENT <br />Po (71 <br />IL&s Fr <br />S (81 <br />LAYER 2 <br />AVG DEPTH Jd <br />(FT) 161 1 <br />Po.m 1 <br />(LBS/FT"2 <br />$181 <br />STATION <br />LINER <br />ELEVATION <br />DEPTH OfDEPTH <br />EXCAVATED <br />SOIL IIIBS/FT" <br />Pox M <br />COVER <br />ELEV <br />OF <br />REFUSE I <br />H21F71 3 <br />Pr 141 <br />(Lgg/FT•2 <br />Pr - Pex = <br />P2 (51 <br />LBS/FT" <br />200 <br />35 <br />0 <br />01 <br />401 <br />.0.07 <br />0 <br />0 <br />260 <br />20 <br />15 <br />1650 <br />601 361 <br />2960 <br />1310 <br />400 <br />21.4 <br />13.6 <br />14961 <br />851 <br />59.6 <br />4612 <br />3116 <br />600 <br />23.4 <br />11.61 <br />12761 <br />1201 <br />92.5 <br />6922 <br />5646 <br />800 <br />1 25-41 <br />9.61 <br />10561 <br />1301 <br />100.6 <br />74821 <br />6426 <br />950 <br />1 26-91 <br />8.11 <br />8911 <br />1401 10911 <br />80771 <br />7186 <br />LAYER 1 <br />STATION AVG DEPT <br />Po (71 <br />IL&s Fr <br />S (81 <br />LAYER 2 <br />AVG DEPTH Jd <br />(FT) 161 1 <br />Po.m 1 <br />(LBS/FT"2 <br />$181 <br />200 <br />5 <br />5501 <br />0.00 <br />151 <br />16501 <br />0.00 <br />260 <br />20 <br />22001 <br />0.25 <br />1 301 <br />.13001 <br />.0.07 <br />400 <br />18.6 <br />20461 <br />0.49 <br />i 28.61 <br />31461 <br />0.15 <br />600 <br />1 16.6 <br />18261 <br />0.75 <br />1 26.61 <br />29261 <br />0.23 <br />800 <br />14.61 <br />16061 <br />0.8S <br />1 2464 <br />27061 <br />0:26 <br />950 <br />13.11 <br />14411 <br />0.95 <br />1 23.11 <br />• 25411 <br />0.29 <br />LAYER 3 <br />STATION AVG DEPT <br />Po (J( <br />LBS/FT^ <br />S(81 <br />(FT) <br />(LAYER 4 <br />AVG DEPTH <br />! FTI X51 ' <br />Po j7j ; <br />'LBS/FT'2 <br />S j8) <br />!FT) <br />200 <br />251 <br />27501 <br />0.00 <br />I 351 <br />38501 <br />0.00 <br />260 <br />40 <br />4400 <br />0.06 <br />I Al <br />5500! <br />.OAS 1 <br />38.6 <br />4246 <br />0.12 <br />48.61 <br />53461 <br />0.10 <br />I =400 <br />36.6 <br />40261 <br />0.19 <br />46.61 <br />51261 <br />0.16 <br />800 <br />34.6 <br />3806 <br />0.21 <br />44.64 <br />4906.1 <br />0.18 <br />950 <br />33.11 <br />36411 <br />0.24 <br />43.11 <br />47411 <br />0.20 <br />TOTAL PRIMARY SE:TTLEMEN 1 <br />TOTAL S <br />INITIAL LINER <br />FINAL LINER 1 <br />INITIAL <br />FINAL <br />STATION <br />LAYERS 1-4 <br />EL <br />EL <br />SLOPCE!,91 <br />SLOPE <br />200 <br />0.00 <br />35 <br />35.0 1 <br />-25.0% <br />-25.7% <br />260 <br />0.42 <br />20 <br />19.6 <br />400 <br />0.86 <br />21.4 <br />20.5 .. <br />............................. <br />1.0% <br />0.8% <br />600 <br />1.33 <br />1 23.4 <br />22.1 <br />1.0% <br />0.994 <br />800 <br />1.52 <br />25.4 <br />23.9 <br />1 ncc <br />n oal <br />950 1.68 1 26.9 1 25.2 <br />111 Ce ESTIMATE FROM UOUID LIMIT (LL) FOR SUBSURFACE ONSITE CLAY MATERIAL USING THE FOLLOWING EOUATION: <br />Cc = .009 - (LL -10) . FROM SOIL REPORT LL - 34 FOR CLAY. LL = 20 FOR SANDYISILTY CLAY <br />121 WEIGHT OF SOIL OVER LINER (EXCAVATED FOR LINER CONSTRUCTION): Pex = Hi 'SOIL DENSITY <br />(3) COVER EL - LINER EL - 4 FEET OF COVER SOIL <br />(41 Pr - WEIGHT OF VERTICAL EXP REFUSE AND FINAL COVER . OEPTH OF VER. EX REFUSE' REFUSE DENSITY -,C 'SOIL DENSITY <br />151 CHANGE IN PRESSURE (P2) = WEIGHT OF VER. EX REFUSE/COVER - WEIGHT EJC SOIL = Pr - Pex <br />(61 AVERAGE DEPTH OF SETTLEMENT LAYER <br />LAYER 1: EXCAVATION DEPTH . 0 5 ' LAYER DEPTH LAYER 3: EXCAVATION DEPTH + 2.5 'LAYER DEPTH <br />LAYER 2: EXCAVATION DEPTH . 1.5 • LAYER DEPTH LAYER 4 EXCAVATION DEPTH • 3.5 ' LAYER DEPTH <br />17] Po = AVERAGE DEPTH OF SETTLEMENT LAYER 'SOIL DENSITY <br />(8) PRIMARY CONSOLIDATION SETTLEMENT OF HCRIZCNTAL EXPANSICN SUBGRAOE = H - (CC / 1 . Eo) 'LOG ((Po • P2) / Po) <br />(91 1% SLOPE IS THROUGH LEACHATE COLLECTION TRENCH SECTION <br />HECONSO.XLS 7120N5 238 PM ENGR: RW BECK / MU <br />