|
No. |
Interpreted Parameter |
Description |
Equation |
Refs |
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0 |
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Layer bottom depth |
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1 |
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Layer middle depth |
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2 |
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Unit weight |
Measured |
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For Saturated Soil Materials: (kN/m3, m/s, m) (kN/m3, m/s, m) |
Maybe et al. (2001) Maybe et al. (2009) |
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For Saturated Soil Materials: (kN/m3, m/s, m) |
Yi (2009) |
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|
3 |
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Blowcounts |
Energy ratio:
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Borehole diameter:
Use inner diameter for hollow-stem augers |
SCEC (1999) |
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Rod length:
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Sampler (see 12) |
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|
4 |
|
Measured fines content |
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5 |
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Measured clay content |
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6 |
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USCS classification |
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|
7 |
|
Friction angle |
Measured or |
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|
8 |
|
Cohesive strength |
Measured or
|
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|
9 |
|
Total overburden pressure |
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|
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|
10 |
|
Effective overburden pressure |
|
|
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|
11 |
|
Overburden pressure correction |
|
Liao & Whitman (1986a) |
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|
Idriss & Boulanger (2008) |
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|
12 |
|
Liner correction |
Split spoon without room for liners ( Split spoon with room for liners but with the liner absent ( |
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Split spoon with room for liners but with the liner absent ( |
Seed et al. (2001) |
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|
13 |
|
Normalized |
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14 |
|
Normalized clean sand |
|
Youd et al (2001) |
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Idriss & Boulanger (2004) |
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|
15 |
|
Relative density |
|
Idriss & Boulanger (2008) |
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|
Terzaghi |
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|
Tokimatsu & Seed (1987) Equation by Yi |
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|
16 |
|
Shear wave velocity |
|
Andrus et al. (2004) |
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|
17 |
|
Shear wave velocity |
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|
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|
18 |
|
Initial shear modulus |
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|
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|
19 |
|
Initial shear modulus |
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|
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|
20 |
|
Preconsolidation stress |
For clay,
|
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For sand, |
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|
21 |
|
Overconsolidation ratio |
For clay-like soil,
|
Maybe et al. (2001) |
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For sand-like soil, |
Maybe (2007) |
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|
22 |
|
Undrained shear strength ratio |
For clay-like soil, |
Maybe (2007) |
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|
23 |
|
Coefficient of lateral earth pressure at rest |
|
Maybe & Kulhawy(1982)Mayne (2007) |
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|
24 |
|
Stress reduction coefficient |
Liao & Whitman: |
Liao & Whitman (1986) NCEER/NSF (2001) |
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Blake: |
Blake (1996) |
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Idriss: |
Idriss (1999) |
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|
25 |
MSF |
Magnitude scaling factor |
NCEER Workshop lower bound (Idriss) NCEER Workshop up bound (Andrus & Stokoe 1997) |
Yi (revised) Yi (revised) |
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Sand-like soils Clay-like soils |
Boulanger & Idriss (2004b) Boulanger & Idriss (2004b) |
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|
26 |
|
Correction for overburden pressure |
|
Hynes & Olsen (1999) |
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|
Idriss & Boulanger (2004) |
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|
27 |
|
Correction for initial (static) shear stress |
|
Idriss & Boulanger (2004) |
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|
28 |
|
Cyclic stress ratio |
|
Seed & Idriss (1971) |
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|
29 |
|
Cyclic resistance at M=7.5 |
Sand-like soil: |
Youd et al (2001) |
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|
Idriss & Boulanger (2008) |
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Clay-like soil: |
Boulanger & Idriss (2004b) |
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Clay: n/a (nonliquefiable) |
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|
30 |
FS |
Factor of safety for liquefaction |
|
|
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|
31 |
|
Average cyclic shear stress |
|
|
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|
32 |
|
Average stress |
|
|
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|
33 |
|
Shear strain |
Dry sand: |
Pradel (1998) (for dry sand) |
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Saturated sand:
if
|
Idriss & Boulanger (2008) |
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|
34 |
|
Shear modulus ratio |
|
|
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|
35 |
|
Volumetric strain |
Dry sand: |
Pradel (1998) (for dry sand) |
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|
Idriss & Boulanger (2008) |
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Saturated sand: |
Tokimatsu & Seed (1987) |
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|
36 |
|
Seismic settlement increment |
Dry sand: Saturated sand: |
Pradel (1998) (for dry sand) Zhang et al (2002) |
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|
37 |
|
Cumulated seismic settlement |
|
|
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|
38 |
|
Lateral displacement increment |
Saturated sand: |
Zhang et al (2004) |
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|
39 |
|
Cumulated lateral displacement |
Gently sloping ground without a free face: Level ground with a free face: Gently sloping ground with a free face: |
Zhang et al (2004) |
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Original Pradel method |
40 |
|
Shear strain |
Dry sand: |
Pradel (1998) (for dry sand) |
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41 |
|
Initial shear modulus |
|
Seed & Idriss (1970) |
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42 |
|
Shear modulus ratio |
|
|
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43 |
|
Volumetric strain |
Dry sand: |
Pradel (1998) (for dry sand) |
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44 |
|
Seismic settlement increment |
Dry sand: |
Pradel (1998) |
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45 |
|
Cumulated seismic settlement |
|
|
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|
46 |
|
Preconsolidation stress |
Other methods: |
Mayne (2005) |
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|
47 |
|
Overconsolidation ratio |
|
|
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|
48 |
|
Preconsolidation stress |
|
Mayne (2006) |
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|
49 |
|
Overconsolidation ratio |
|
|
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|
|
|
|
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