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AUSTIN ROAD LANDFILL VERTICAL EXPANSION <br /> PRIMARY SETTLEMENT OF SUBGRADE UNDER HORIZONTAL EXPANSION LINER(LF-2) <br /> ® REFUSE DENSITY' 70 LZWFT"3 <br /> SOIL DENSITY 110 LBSIFT^3 <br /> VOID RATIO IEo 0.8 <br /> PRIMARY CONSOLIDATION COEF (Cc)LAYER 1 1 0.22 111 CLAY <br /> PRIMARY CONSOLIDATION COEF.(Cc)LAYER? 0.09 1 SILTY CL <br /> PRIMARY CONSOLIOATION COEF (CC)LAYER 3 0.09 111 SILTY CL i <br /> PRIMARY CONSOLIDATION COEF.(Cc)LAYER 4 0.09 1 SILT/CL <br /> SUBGRAOE LAYER DEPTH 10 FT <br /> PRIMARY SETTLEMENT <br /> DEPTH OF DEPTH OF Pr.PDX= <br /> STATION LINER EXCAVATED PDX M I COVER REFUSE ( Pr(aj P2151 <br /> ELEVATION SOIL MI LSS/FT" ELEV N2(FT) fLBSIFT"2 LBS/FT" <br /> 200 35 0 01 401 t 0 0 <br /> 260 20 15 1650 601 361 2960 1310 <br /> 400 21.4 13.6 14961 851 59.6 4612 3116 <br /> 600 23.4 11.6 12761 120 92.5 6922 5646 <br /> 800 Z.41 9.6 10561 1301 100.6 7482 6426 <br /> 950 -2691 Ill1401 109.1 8077 7186 <br /> LAYER 1 LAYER 2 <br /> STATION AVG DEPTH Pa(7) S(8j AVG DEPTH I Po m sial <br /> ILBSIFT" FTT 61 (LSSIFT" r <br /> 200 5 5501- 0.00 1 151 16501 0.00 <br /> 260 20 2200 0.25 1 301 33001 0.07 <br /> 400 18.6 2046 0.49 1 28.61 31461 0.15 <br /> 600 16.6 1826 0.75 1 26.61 29261 0.23 <br /> 800 14.6 16061 0.85 ! 24.61 27061 0.26 <br /> 950 13.1 1441 0.95 1 23.11 25411 0.29 <br /> LAYER 3 ILAYER 4 <br /> STATION AVG DEPTHI Po(7j S(8j AVG DEPTH Po(7j S(aj <br /> LBSIFT"2 rFT) I F11f51 I LSSIFT"2 'FT) <br /> 200 251 27501 0.00 1 351 38501 0.00 <br /> 260 401 44001 0.06 1 501 55001 0.05 1 <br /> 400 38.6 42461 0.12 48.61 53461 0.10 <br /> I 500 36.61 40251 0.19 46.61 51261 0.16 <br /> d00 34.6 3806 0.21 44.61 49061 0.18 <br /> 950 33.11 36411 0.24 I 43.11 47411 0.20 <br /> TOTAL PRIMARY SETTLEMENT <br /> TOTALS INITIAL LINER FINAL LINER I INITIAL FINAL <br /> STATION LAYERS 1-4 EL EL I SLOPE FJ SLOPE <br /> 200 0.00 35 35.0 E <br /> •25.0% -25.7% <br /> 260 0.42 20 19.6 <br /> 1.0% 0.7% <br /> 400 0.86 1 21.4 20.5 <br /> ... ...... <br /> 1.0% 0.8% <br /> 600 1.33 23.4 22.1 ;; <br /> .....:: . ............. <br /> 0.9% <br /> 800 1.52 25.4 23.9 _ . <br /> 1.0% 0.9% <br /> 950 1.68 26.9 ...... 25.2 <br /> (1) Cc ESTIMATE FROM UOUID LIMIT(LL)FOR SUBSURFACE ONSITE CLAY MATERIAL USING THE FOLLOWING EOUATION: <br /> Cc a.009•(LL-10). FROM SOIL REPORT LL a 34 FOR CLAY.LL a 20 FOR SANDYISILTY CLAY <br /> (2)WEIGHT OF SOIL OVER LINER(EXCAVATED FOR LINER CONSTRUCTION): Pex a H1•SOIL DENSITY <br /> I31 COVER EL-LINER EL•4 FEET OF COVER SOIL <br /> (4) Pr a WEIGHT OF VERTICAL EXP.REFUSE AND FINAL COVER a DEPTH OF VER.EX REFUSE• REFUSE DENSITY-C•SOIL DENSITY <br /> (5) CHANGE IN PRESSURE(P2)=WEIGHT OF VER.EX REFUSEICOVER-WEIGHT EX SOIL=Pr•Pex <br /> (6) AVERAGE DEPTH OF SETTLEMENT LAYER <br /> ® LAYER 1:EXCAVATION DEPTH*0.5•LAYER DEPTH LAYER 3:EXCAVATION DEPTH a 2.5•LAYER DEPTH <br /> LAYER 2:EXCAVATION DEPTH.1.5•LAYER DEPTH LAYER 4 EXCAVATION DEPTH•3.5•LAYER DEPTH <br /> M Po = AVERAGE DEPTH OF SETTLEMENT LAYER•SOIL DENSITY <br /> [8)PRIMARY CONSOLIDATION SETTLEMENT OF HORIZONTAL EXPANSION SUBGRADE- H•(Cc 1 1 .Eo)•LOG((Po•P?)I Po) <br /> (9) 1%SLOPE IS THROUGH LEACHATE COI LEC'ION TRENCH SECTION <br /> HECONSO.XLS 7rAm 238 PM ENGR:RW BECK I MU <br />