appendix i: summary of predicted engineering properties … · table 5.2: summary of predicted...
TRANSCRIPT
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Appendix I: Summary of predicted engineering properties of strata Tables 5.1 to 5.4 inclusive referenced from Chapter 5 of this report.
Table 5.1: Summary of predicted engineering properties for strata located in Section 1
Parameters HA GDMS report 3269# HA GDMS report 17740#
Made Ground
Cu (kPa) 53-280 (122)
[12]
SPT 'N' Value 2-246 (74)
[70]
C’ (kPa)
Phi’ (degrees) 35-38
[4]
Moisture Content (%) 14-27 (20.4)
[13]
Liquid Limit (%) 61-65 (63)
[2]
Plastic Limit (%) 25-26 (25.5)
[2]
Plasticity Index (%) 36-39(37.5)
[2]
Liquidity Index (%) 0.0256-0.0556 (0.0406)
[2]
Sulphate (2:1 water/soil extract) (g/l)
Dry Density (Mg/m3) 1.67-2.04 (1.75)
[11]
Bulk Density (Mg/m3) 2.02-2.33 (2.09)
[11]
Unit Weight (kN/m3) 19.82-22.86 (20.50)
Langley Silt
Cu (kPa) 13-244 (83.9)
[13]
SPT 'N' Value 8-13 (11)
[3]
C’ (kPa)
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.1: Summary of predicted engineering properties for strata located in Section 1
Parameters HA GDMS report 3269# HA GDMS report 17740#
Phi’ (degrees)
Moisture Content (%) 9.5-22 (15.9)
[14]
Liquid Limit (%) 27-43 (36.7)
[3]
Plastic Limit (%) 18-21 (19.6)
[3]
Plasticity Index (%) 9-23 (17)
[3]
Liquidity Index (%) -0.7778- -0.1304 (0.4431)
[3]
Sulphate (2:1 water/soil extract) (g/l)
Dry Density (Mg/m3) 1.67-2.05 (1.81)
[13]
Bulk Density (Mg/m3) 2.01-2.25 (2.10)
[13]
Unit Weight (kN/m3) 19.72-22.07
[20.6]
Alluvium
Cu (kPa) 37-120 (72.3)
[3]
SPT 'N' Value 10-34 (19)
[3]
C’ (kPa)
Phi’ (degrees)
Moisture Content (%) 11-20 (16.7)
[3]
Liquid Limit (%) 25-35 (29.3)
[3]
Plastic Limit (%) 14-18 (16.3)
[3]
Plasticity Index (%) 11-17 (13)
[3]
Liquidity Index (%) -0.2727-0.1818 (0.0089)
[3]
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.1: Summary of predicted engineering properties for strata located in Section 1
Parameters HA GDMS report 3269# HA GDMS report 17740#
Unit Weight (kN/m3)
Bulk Density (Mg/m3)
Mv (m2/MN) 0.25 [1]
Cv (m2/year) 4.8 [1]
River Terrace Deposits
SPT 'N' Value 10-30 9-127 (45)
[122]
C’ (kPa)
Phi’ (degrees) 39 [1]
Moisture Content (%) 10 [1]
Liquid Limit (%) 27 [1]
Plastic Limit (%) 16 [1]
Plasticity Index (%) 11 [1]
Liquidity Index (%) -0.5455
[1]
Unit Weight (kN/m3)
Sulphate (2:1 water/soil extract) (g/l)
Bulk Density (Mg/m3)
London Clay
Cu (kPa) 40-220 52-183 (104.8)
[57]
SPT 'N' Value 20-50 6-75 (32)
[98]
C’ (kPa)
Phi’ (degrees)
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.1: Summary of predicted engineering properties for strata located in Section 1
Parameters HA GDMS report 3269# HA GDMS report 17740#
Moisture Content (%) 23-31 [57]
Liquid Limit (%) 58-78 [22]
Plastic Limit (%) 21-31 [22]
Plasticity Index (%) 27-49 [22]
Liquidity Index (%) -0.0270-0.1905
[22]
Bulk Density (Mg/m3) 1.99-2.11 (2.04)
[17]
Dry Density (Mg/m3) 1.54-1.66 (1.61)
[17]
Specific Gravity (SG) 2.67-2.69 (2.68)
[2]
Sulphate (2:1 water/soil extract) (g/l)
Unit Weight (kN/m3) 19.52-20.7 (20.01)
Mv (m2/MN) 0.15-0.51 (0.25)
[4]
Cv (m2/year) 7.4-8.8 (8.1)
[2]
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.2: Summary of predicted engineering properties for strata located in Section 2
Parameters HA GDMS report 3269#
HA GDMS report 17320
HA GDMS report 20433
HA GDMS report 17740
HA GDMS report 24471
HA GDMS report 24298
HA GDMS report 19243
Made Ground
Cu (kPa) 64-72 53-280 (122)
[12]
SPT 'N' Value 2-246 (74)
[70] 16
C’ (kPa) 0-0.5 0 0
Phi’ (degrees) 21-26 35-38
[4] 30 32 - 34
Moisture Content (%)
11-27 (21) 14-27 (20.4)
[13] 2.8-24 (9.3)
[32]
5 – 35 (13) [10]
Liquid Limit (%) 42-65 (52) 61-65 (63)
[2] 34-47 (40)
[4] 26 - 58 (38) [12]
Plastic Limit (%) 17-22 (20) 25-26 (25.5)
[2] 20-27 (22.3)
[4] 13 - 32 (19) [12]
Plasticity Index (%)
22-44 (32) 36-39 (37.5)
[2] 14-23 (17.8)
11- 26 (19) [12]
Liquidity Index (%)
0.0256-0.0556
(0.0406) [2]
-0.615 – 0.318
(-0.122) [12]
Sulphate (2:1 water/soil extract) (g/l)
0.012 – 0.044
(0.026) [6]
Dry Density (Mg/m3)
1.67-2.04 (1.75)
[11]
Bulk Density (Mg/m3)
2.02-2.33 (2.09)
[11] 1.9
Unit Weight (kN/m3)
19.8-22.9 (20.5) 17-19*
20-21.5**
Langley Silt
Cu (kPa) 13-244 (83.9)
[13]
SPT 'N' Value 8-13 (11
[3]
C’ (kPa)
Phi’ (degrees)
Moisture Content (%)
9.5-22 (15.9)
[14]
Liquid Limit (%) 27-43 (36.7)
[3]
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.2: Summary of predicted engineering properties for strata located in Section 2
Parameters HA GDMS report 3269#
HA GDMS report 17320
HA GDMS report 20433
HA GDMS report 17740
HA GDMS report 24471
HA GDMS report 24298
HA GDMS report 19243
Plastic Limit (%) 18-21 (19.6)
[3]
Plasticity Index (%)
9-23 (17)
[3]
Liquidity Index (%)
Sulphate (2:1 water/soil extract) (g/l)
-0.7778- -
0.1304(0.443) [3]
Dry Density (Mg/m3)
1.67-2.05 (1.81)
[13]
Bulk Density (Mg/m3)
2.01-2.25 (2.10)
[13]
Unit Weight (kN/m3)
19.7-22.1 (20.6)
Alluvium
Cu (kPa) 20-60 37-120 (72.3)
[3] 20
SPT 'N' Value 10-34 (19)
[3]
C’ (kPa) 1 1
Phi’ (degrees) 24 24
Moisture Content (%)
11-20 (16.7)
[3]
Liquid Limit (%) 25-35 (29.3)
[3]
Plastic Limit (%) 14-18 (16.3)
[3]
Plasticity Index (%)
-0.2727-0.1818
(0.0089) [3]
Liquidity Index (%)
Unit Weight (kN/m3)
17
Table 5.2: Summary of predicted engineering properties for strata located in Section 2
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Parameters HA GDMS report 3269#
HA GDMS report 17320
HA GDMS report 20433
HA GDMS report 17740
HA GDMS report 24471
HA GDMS report 24298
HA GDMS report 19243
Bulk Density (Mg/m3)
1.7
Mv (m2/MN) 0.25 [1]
Cv (m2/year) 4.8 [1]
River Terrace Deposits
SPT 'N' Value 10-30 9-127 (45)
[122]
18 – 42 (30) [21]
C’ (kPa) 0 0 0
Phi’ (degrees) 36 39 [1]
36 32 - 39
Moisture Content (%)
10 [1]
6-20 [26]
2 – 24 (10)
[24]
Liquid Limit (%) 27 [1]
30 [1]
23 – 60 (38)
[5]
Plastic Limit (%) 16 [1]
11 [1]
9 – 38 (21)
[5]
Plasticity Index (%)
11 [1]
19 [1]
9 – 38 (21)
[5]
Liquidity Index (%)
-0.5455
[1]
0.222 – 0.250 (0.043)
[5]
Unit Weight (kN/m3)
21 19-21*
21.5– 23**
Sulphate (2:1 water/soil extract) (g/l)
0.01 0.069 - 0.767
(0.418) [2]
Bulk Density (Mg/m3)
2.1
London Clay
Cu (kPa) 40-220 40-75 52-183 (104.8)
[57]
50 – 160 (117) [22]
SPT 'N' Value 20-50 6-75 (32)
[98]
18 – 39 (28) [22]
C’ (kPa) 2 0 - 1
Table 5.2: Summary of predicted engineering properties for strata located in Section 2
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Parameters HA GDMS report 3269#
HA GDMS report 17320
HA GDMS report 20433
HA GDMS report 17740
HA GDMS report 24471
HA GDMS report 24298
HA GDMS report 19243
Phi’ (degrees) 23 19-20
Moisture Content (%)
23-31 [57]
7 – 43 (29)
[62]
Liquid Limit (%) 58-78 [22]
65 – 71 (69)
[22]
Plastic Limit (%) 21-31 [22]
20-24 (23)
[22]
Plasticity Index (%)
27-49 [22]
44 – 49 (47)
[22]
Liquidity Index (%)
-0.0270-0.1905
[22]
-0.130 – 0.449 (0.146)
[22]
Bulk Density (Mg/m3)
1.99-2.11 (2.04)
[17]
Dry Density (Mg/m3)
1.54-1.66 (1.61)
[17]
Specific Gravity (SG)
2.67-2.69 (2.68)
[2]
Sulphate (2:1 water/soil extract) (g/l)
0.442 – 0.902
(0.644) [8]
Unit Weight (kN/m3)
19 19.52-20.7
(20.01)
18-19* 19
Mv (m2/MN) 0.15-0.51 (0.25)
[4]
0.126 – 0.058 (0.081)
[22]
Cv (m2/year) 7.4-8.8 (8.1)
[2]
Lambeth Group – Reading Formation (clay units)
Cu (kPa) 40-350 53 35+10z ***
SPT 'N' Value 10-110 12-34 (26)
C’ (kPa) 2
Phi’ (degrees) 25-26 24
Table 5.2: Summary of predicted engineering properties for strata located in Section 2
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.3: Summary of predicted engineering properties for strata located in Section 3
Parameters Parameters Parameters Parameters Parameters Parameters Parameters Parameters
Moisture Content (%)
Liquid Limit (%) 45-52
Plastic Limit (%) 14-20
Plasticity Index (%)
22-31
Sulphate (2:1 water/soil extract) (g/l)
Unit Weight (kN/m3)
19
Lambeth Group – Reading Formation (sand units)
Cu (kPa)
SPT 'N' Value 20-150
C’ (kPa) 0
Phi’ (degrees) 32
Moisture Content (%)
Liquid Limit (%)
Plastic Limit (%)
Plasticity Index (%)
Sulphate (2:1 water/soil extract) (g/l)
Unit Weight (kN/m3)
19
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Parameters HA DGMS report 1506#
HA GDMS report 17320
HA GDMS report 20433#
HA DGMS report 26747
HA GDMS report 1512#
HA GDMS report 20960
HA GDMS report 3269#
Made Ground
Cu (kPa) 15-150 64-72 10-140 30+7z***
SPT 'N' Value 5-80 5-80 7-47
C’ (kPa) 0-26 (11) 0-0.5 5 1
Phi’ (degrees) 14-31 (22) 21-26 20 22
Moisture Content (%)
11-27 (21) 6.6-30
Liquid Limit (%) 42-65 (52) 20-85
Plastic Limit (%) 17-22 (20)
Plasticity Index (%)
22-44 (32) 10-50
Sulphate (2:1 water/soil extract) (g/l)
Unit Weight (kN/m3)
19.5
Alluvium
Cu (kPa) 25-140 20-60
C’ (kPa) 1
Phi’ (degrees) 24
Unit Weight (kN/m3)
17
River Terrace Deposits
SPT 'N' Value 10-55 6-40 10-30
C’ (kPa) 0 0
Phi’ (degrees) 36 30
Liquid Limit (%) 29-69
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.3: Summary of predicted engineering properties for strata located in Section 3
Parameters HA DGMS report 1506#
HA GDMS report 17320
HA GDMS report 20433#
HA DGMS report 26747
HA GDMS report 1512#
HA GDMS report 20960
HA GDMS report 3269#
Plasticity Index (%)
15-45
Unit Weight (kN/m3)
21 21
London Clay
Cu (kPa) 50-200 40-75 60 40-200 20-370 20-370 20+10z
***
30+10z ***
40-220
SPT 'N' Value 9-18 26-44 6-50 6-50 4-35 6-50 20-50
C’ (kPa) 3-5.3 2 3 3 1.5-5.3 1.5-5.3 2 2
Phi’ (degrees) 20-22 23 20 20 20-22 20-22 23 23-25
Moisture Content (%)
17-33 17-33 11-36 11.36
Liquid Limit (%) 49-76 30-76 12-80 12-80
Plasticity Index (%)
24-52 15-48 1-55 1-55
Sulphate (2:1 water/soil extract) (g/l)
0.05-2.59
1.2-2.59
Unit Weight (kN/m3)
19 20 20 20 20
Lambeth Group – Reading Formation (clay units)
Cu (kPa) 35-350 53 35+10z*** 40-350
SPT 'N' Value 12-34 (26) 10-110
C’ (kPa) 2
Phi’ (degrees) 25-26 24
Moisture Content (%)
Liquid Limit (%) 45-52
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.3: Summary of predicted engineering properties for strata located in Section 3
Parameters HA DGMS report 1506#
HA GDMS report 17320
HA GDMS report 20433#
HA DGMS report 26747
HA GDMS report 1512#
HA GDMS report 20960
HA GDMS report 3269#
Plastic Limit (%) 14-20
Plasticity Index (%)
22-31
Sulphate (2:1 water/soil extract) (g/l)
<1.2
Unit Weight (kN/m3)
19
Lambeth Group – Reading Formation (sand units)
Cu (kPa)
SPT 'N' Value 20-150
C’ (kPa) 0
Phi’ (degrees) 32
Moisture Content (%)
Liquid Limit (%)
Plastic Limit (%)
Plasticity Index (%)
Sulphate (2:1 water/soil extract) (g/l)
Unit Weight (kN/m3)
19
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.4: Summary of predicted engineering properties for strata located in Section 4
Parameters HA GDMS report 1506#
HA GDMS report 19429
HA GDMS report 20563
HA GDMS report 20399
HA GDMS report 17780
HA GDMS report 1512#
HA GDMS report 20960
HA GDMS report 20153
Made Ground
Cu (kPa) 15-150 60 22-78 [10]
30-50 10-140 30+7z *** 15-221
SPT 'N' Value 5-80 7-35 [5]
5-80 7-47
C’ (kPa) 0-26 (11) 1 7-22 [6]
1 5 1 1
Phi’ (degrees) 14-31 (22) 26 14-25
[6] 24 20 22 23-34
Moisture Content (%) 6.6-30
[71] 6.6-30
3.4-32 [498]
Liquid Limit (%) 22-80 [28]
20-85 32-63 [69]
Plastic Limit (%) 11-51 [27]
15-27 [69]
Plasticity Index (%) 10-50 17-42 [69]
Sulphate (2:1 water/soil extract) (g/l)
0.01-1.54
0.2-2.25 [6]
Unit Weight (kN/m3) 18 18 19.5 18-20
Alluvium
Cu (kPa) 25-140 20-60 20-60 20-60 20-152.2
C’ (kPa) 0 0 0 0
Phi’ (degrees) 24 24 20 20-28
Moisture Content (%) 18-26
[4]
Liquid Limit (%) 39 [1]
Plastic Limit (%) 18 [1]
Plasticity Index (%) 21 [1]
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.4: Summary of predicted engineering properties for strata located in Section 4
Parameters HA GDMS report 1506#
HA GDMS report 19429
HA GDMS report 20563
HA GDMS report 20399
HA GDMS report 17780
HA GDMS report 1512#
HA GDMS report 20960
HA GDMS report 20153
Unit Weight (kN/m3) 17 17 17 17
Brickearth
Cu (kPa) 45
C’ (kPa) 3
Phi’ (degrees) 20
Sulphate (2:1 water/soil extract) (g/l)
1.2
River Terrace Deposits
SPT 'N' Value 10-55
C’ (kPa) 0 0
Phi’ (degrees) 36 36
Liquid Limit (%)
Plasticity Index (%)
Unit Weight (kN/m3) 21 21
London Clay
Cu (kPa) 50-200 39-247
[35] 40-75 75 20-370 20-370
20+10z ***
30+10z***
24.6-171
122.8-221
SPT 'N' Value 10-50 [63]
6-50 6-50 4-35 6-50
C’ (kPa) 3-5.3 0 2 1 1.5-5.3 1.5-5.3 2 2 0-2 0-2
Phi’ (degrees) 20-22 22-30 23 23 20-22 20-22 23 23-25 21-25 23
Moisture Content (%) 11-36 [191]
17-33 17-33 11-36 11.36 18-43 [87]
29-33 [17]
Liquid Limit (%) 9-48 [55]
12-80 12-80 52-71 [13]
60 [1]
Plastic Limit (%) 21-29 [13]
22 [1]
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.4: Summary of predicted engineering properties for strata located in Section 4
Parameters HA GDMS report 1506#
HA GDMS report 19429
HA GDMS report 20563
HA GDMS report 20399
HA GDMS report 17780
HA GDMS report 1512#
HA GDMS report 20960
HA GDMS report 20153
Plasticity Index (%) 15-51 [56]
1-55 1-55 29-43 [13]
40 [1]
Sulphate (2:1 water/soil extract) (g/l)
2.59-0.01 0.05-2.59
1.2-2.59 0.48 [1]
Unit Weight (kN/m3) 19 19 20 20 19 19
Lambeth Group – Reading Formation (clay units)#
Cu (kPa) 35-350 39-207 35+10z ***
SPT 'N' Value 5-50
C’ (kPa) 2
Phi’ (degrees) 24
Moisture Content (%) 12-49 [108]
Liquid Limit (%) 15-107
[37]
Plastic Limit (%)
Plasticity Index (%) 17-75 [38]
Sulphate (2:1 water/soil extract) (g/l)
<1.2 0.01-0.28
Unit Weight (kN/m3) 19
Lambeth Group – Reading Formation (sand units)#
Cu (kPa)
SPT 'N' Value 13-50
C’ (kPa) 0
Phi’ (degrees) 32
Moisture Content (%)
Liquid Limit (%)
Notes: – Indicates values for weathered London Clay (...) – Average (mean) value, [...] – Number of tested samples, * Moist unit weight, ** Saturated unit weight, *** z = depth below ground level (metres) # Indicates that the report refers to the Reading Beds not the Reading Formation.
Table 5.4: Summary of predicted engineering properties for strata located in Section 4
Parameters HA GDMS report 1506#
HA GDMS report 19429
HA GDMS report 20563
HA GDMS report 20399
HA GDMS report 17780
HA GDMS report 1512#
HA GDMS report 20960
HA GDMS report 20153
Plastic Limit (%)
Plasticity Index (%)
Sulphate (2:1 water/soil extract) (g/l)
0.01-0.28
Unit Weight (kN/m3) 19
Upper Chalk
SPT 'N' Value 8-15+7.5z
>35+15z ***
C’ (kPa) 10
Phi’ (degrees) 40
Unit Weight (kN/m3) 20