Foundation Settlement E1 - 3m

RDK, project name: Bridge name and no: Title of calculations: Revision of calculations: Settlements Prepared by: Date: Revision v005, dated: Checked by: Date: Latest use dated: Levels Foundation dimensions Terrain level before L TB 8.60 m Found. type (1: strip, 2: rect. plate, 3: circular) FT Terrain level after L TA 8.00 m Width of foundation W F m Foundation level L F 6.50 m Length of foundation L F m Ground water level L GW 6.50 m Diameter of foundation D F m Lowering of ground water level to L GW2 6.50 m Height of foundation h F m Top of uppermost clay layer L UC 5.90 m Foundation area m2 Load input Loads Percent of stress increase leading to settlements PL 120% Weight of foundation and soil above it kN Eff. unit weight of soil filling around found. FILL 20 kN/m3 Load decrease from soil removal kN Eff. unit weight of soil removed above found. SOIL 20 kN/m3 Total settlement giving load V ST kN Settlement giving load(excl. weight of foundation) V S 7359 kN Load from osmotic pressure before water lowering p c kN/m2 Soil profile for soil below foundation level Settlement layer Level to which settlement is considered L SET m Thickness of settling layers m - - kN/m3 1 Sand 19.0 2 Clay till 21.0 3 Clay 19.0 Number of fictive layers in numerical calculation 4 silt 21.0 Bottom of soil profile Divisor 127 First layer m Fictive layer no. Fictive layer thickness Bottom level of layer Fictive layer thickness Depth below found. Layer no. Settle- ment parameter Level Area - - Stress before Stress increase Stress after d - z - z z - Q or K L A B u 'B 'A mm - m m m m - kN/m3, % m m2 kN/m2 kN/m2 kN/m2 kN/m2 kN/m2 mm - - 8.600 - 0.000 - 25000 6.500 41.100 - - 39.9 171.1 211 - 1 0.028 6.472 0.028 0.014 1 25000 6.486 41.337 40.170 0.142 40.0 170.1 210 0.19 0.000 1 25000 2 0.057 6.415 0.057 0.057 1 25000 6.443 42.052 40.980 0.568 40.4 167.2 208 0.38 0.000 1 25000 3 0.114 6.301 0.114 0.142 1 25000 6.358 43.493 42.600 1.421 41.2 161.6 203 0.73 0.000 1 25000 4 0.227 6.074 0.227 0.313 1 25000 6.187 46.418 45.839 3.126 42.7 151.5 194 1.38 0.000 1 25000 5 0.455 5.619 0.281 0.567 1 25000 5.933 50.886 50.668 5.667 45.0 138.2 183 1.55 5B 0.174 0.794 2 28000 5.706 54.992 55.268 7.941 47.3 127.8 175 0.79 6 0.909 4.710 0.690 1.226 2 28000 5.274 63.079 64.341 12.261 52.1 111.5 164 2.75 6B 0.219 1.681 3 25000 4.819 71.994 73.199 16.808 56.4 97.6 154 0.86 7 1.819 2.891 1.819 2.700 3 25000 3.800 93.473 92.558 26.997 65.6 75.2 141 5.47 0.000 3 25000 8 3.609 2.891 114.396 109.836 36.090 73.7 61.5 135 Total 3.609 3.609 Total settlement 14.11 13.00 1.8187294 Increase 28000 25000 43000 Settlement parameter, Q or K % or kN/m2 5/30/2012 4/28/2015 41.10 -1726.2 25000 1397.4 7030.2 0.0 2 3.00 13.70 0.00 0.80 Vinge Road Bridge m 4/28/2015 KPTH 4/28/2015 MDMN 0 Density of layer, Top level of layer Settlement Analysis - Foundation E1 e 2.891 6.50 5.90 5.40 4.50 3.30 0 kN/m2 % % - 3.609 7 0.028 0.30 Layer type Layer no. 0.39 0.68 0.67 0.65 0.55 0.46 0.40 0.61 LTB LTA LF LGW LGW2 LSET -8 -6 -4 -2 0 2 4 6 8 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 0 50 100 150 200 250 s'Before s'After PL x s'Increase Foundation Calculate depth 1/1

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foundation settlement

Transcript of Foundation Settlement E1 - 3m

RDK, project name:

Bridge name and no:

Title of calculations:

Revision of calculations: Settlements

Prepared by: Date: Revision v005, dated:

Checked by: Date: Latest use dated:

Levels Foundation dimensionsTerrain level before LTB 8.60 m Found. type (1: strip, 2: rect. plate, 3: circular) FTTerrain level after LTA 8.00 m Width of foundation WF mFoundation level LF 6.50 m Length of foundation LF mGround water level LGW 6.50 m Diameter of foundation DF mLowering of ground water level to LGW2 6.50 m Height of foundation hF mTop of uppermost clay layer LUC 5.90 m Foundation area m2

Load input LoadsPercent of stress increase leading to settlements PL 120% Weight of foundation and soil above it kNEff. unit weight of soil filling around found. FILL 20 kN/m3 Load decrease from soil removal kNEff. unit weight of soil removed above found. SOIL 20 kN/m3 Total settlement giving load VST kNSettlement giving load(excl. weight of foundation) VS 7359 kN Load from osmotic pressure before water lowering pc kN/m2

Soil profile for soil below foundation level Settlement layer

Level to which settlement is considered LSET mThickness of settling layers m

- - kN/m31 Sand 19.02 Clay till 21.03 Clay 19.0 Number of fictive layers in numerical calculation4 silt 21.0

Bottom of soil profile Divisor 127 First layer m

Fictivelayerno.

Fictivelayer

thickness

Bottomlevel of

layer

Fictivelayer

thickness

Depth belowfound.

Layerno.

Settle-ment para-

meterLevel Area - - Stress

beforeStress

increaseStressafter d

- z - z z - Q or K L A B u 'B 'A mm- m m m m - kN/m3, % m m2 kN/m2 kN/m2 kN/m2 kN/m2 kN/m2 mm- - 8.600 - 0.000 - 25000 6.500 41.100 - - 39.9 171.1 211 -1 0.028 6.472 0.028 0.014 1 25000 6.486 41.337 40.170 0.142 40.0 170.1 210 0.19

0.000 1 250002 0.057 6.415 0.057 0.057 1 25000 6.443 42.052 40.980 0.568 40.4 167.2 208 0.38

0.000 1 250003 0.114 6.301 0.114 0.142 1 25000 6.358 43.493 42.600 1.421 41.2 161.6 203 0.73

0.000 1 250004 0.227 6.074 0.227 0.313 1 25000 6.187 46.418 45.839 3.126 42.7 151.5 194 1.38

0.000 1 250005 0.455 5.619 0.281 0.567 1 25000 5.933 50.886 50.668 5.667 45.0 138.2 183 1.55

5B 0.174 0.794 2 28000 5.706 54.992 55.268 7.941 47.3 127.8 175 0.796 0.909 4.710 0.690 1.226 2 28000 5.274 63.079 64.341 12.261 52.1 111.5 164 2.75

6B 0.219 1.681 3 25000 4.819 71.994 73.199 16.808 56.4 97.6 154 0.867 1.819 2.891 1.819 2.700 3 25000 3.800 93.473 92.558 26.997 65.6 75.2 141 5.47

0.000 3 250008 3.609 2.891 114.396 109.836 36.090 73.7 61.5 135

Total 3.609 3.609 Total settlement 14.11

13.00 1.818729414.00 0 LTB LTA LF LGW LGW2 LSET

-6 8.60 m 8.00 m 6.50 m 6.50 m 6.50 m 2.89 m6 8.60 m 8.00 m 6.50 m 6.50 m 6.50 m 2.89 m

1Foundation L s'Before Ds s'After PL x s'Increase

2 -1.5 6.50 m m kN/m2 kN/m2 kN/m2 kN/m2-1.5 7.30 m 6.50 40 171 211 205

3 1.5 7.30 m mm 6.49 40 170 210 2041.5 6.50 m 0.000 6.49 40 170 210 204

4 -1.5 6.50 m 0.002 6.44 40 167 208 2010.006 6.44 40 167 208 201

5 Settlement 0.013 6.36 41 162 203 194m 0.027 6.36 41 162 203 194

6 6.500 0.042 6.19 43 151 194 1826.472 0.070 6.19 43 151 194 182

7 6.415 0.125 5.93 45 138 183 1666.301 5.71 47 128 175 1536.074 5.27 52 111 164 1345.619 4.82 56 98 154 1174.710 3.80 66 75 141 902.891 3.80 66 75 141 90

2.89 74 61 135 74

280002500043000

Settlementparameter, Q or K

% or kN/m2

5/30/2012

4/28/2015

41.10

-1726.2

25000

1397.4

7030.20.0

23.00