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Ikari, Matt J; Hüpers, Andre; Kopf, Achim J (2014): Shear strength of IODP Expedition 322 and 333 sediments approaching subduction in the Nankai Trough, Japan. PANGAEA, https://doi.org/10.1594/PANGAEA.828058, In supplement to: Ikari, MJ et al. (2013): Shear strength of sediments approaching subduction in the Nankai Trough, Japan as constraints on forearc mechanics. Geochemistry, Geophysics, Geosystems, 14(8), 2716-2730, https://doi.org/10.1002/ggge.20156

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Coverage:
Median Latitude: 32.821688 * Median Longitude: 136.884911 * South-bound Latitude: 32.748133 * West-bound Longitude: 136.793803 * North-bound Latitude: 33.027407 * East-bound Longitude: 136.917363
Date/Time Start: 2007-12-29T00:00:00 * Date/Time End: 2007-12-29T00:00:00
Minimum DEPTH, sediment/rock: 35.72 m * Maximum DEPTH, sediment/rock: 444.51 m
Event(s):
316-C0006E  * Latitude: 33.027407 * Longitude: 136.793803 * Date/Time: 2007-12-29T00:00:00 * Elevation: -3875.8 m * Recovery: 330.23 m * Campaign: Exp316 (NanTroSEIZE Stage 1: Shallow Megaslay and Frontal Thrusts) * Basis: Chikyu * Method/Device: Drilling/drill rig (DRILL) * Comment: 49 cores; 409.4 m cored; 80.68 % recovery; 409.4 m drilled; 409.44 m penetrated
322-C0011B  * Latitude: 32.828948 * Longitude: 136.881790 * Elevation: -4048.7 m * Recovery: 329.2 m * Campaign: Exp322 (NanTroSEIZE Stage 2: Subduction Input) * Basis: Chikyu * Method/Device: Drilling/drill rig (DRILL) * Comment: 61 cores; 483.3 m cored; 68.1 % recovered; 397.7 m drilled; 881 m penetrated
322-C0012A  * Latitude: 32.748133 * Longitude: 136.917067 * Elevation: -3510.7 m * Recovery: 206.95 m * Campaign: Exp322 (NanTroSEIZE Stage 2: Subduction Input) * Basis: Chikyu * Method/Device: Drilling/drill rig (DRILL) * Comment: 58 cores; 576 m cored; 35.9 % recovered; 576 m drilled; 576 m penetrated
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEvent
Sample code/labelSample labelIkari, Matt J
CommentCommentIkari, Matt J
DEPTH, sediment/rockDepth sedmGeocode
Lithologic unit/sequenceUnitIkari, Matt J
Sample IDSample IDIkari, Matt J
Effective stressSigmakPaIkari, Matt Jin-situ
ExperimentExpIkari, Matt J#
CohesionCkPaIkari, Matt Jraw data
10 Effective stressSigmakPaIkari, Matt Jeffective normal stress (raw data)
11 Shear stressTaukPaIkari, Matt Jpeak shear stress (raw data)
12 Shear stressTaukPaIkari, Matt Jresidual shear stress (raw data)
13 CohesionCkPaIkari, Matt Jsliding cohesion (raw data)
14 Effective stressSigmakPaIkari, Matt Jeffective normal stress
15 Effective stressSigmakPaIkari, Matt Jeffective normal stress incl. piston
16 Shear stressTaukPaIkari, Matt Jpeak shear stress
17 Shear stressTaukPaIkari, Matt Jresidual shear stress
18 CoefficientCoeffIkari, Matt Jpeak friction coefficient
19 CoefficientCoeffIkari, Matt Jresidual friction coefficient
20 CoefficientCoeffIkari, Matt Jinternal friction coefficient
21 CoefficientCoeffIkari, Matt Jsliding friction coefficient
22 CohesionCkPaIkari, Matt J
23 CohesionCkPaIkari, Matt Jsliding cohesion
24 CoefficientCoeffIkari, Matt Jcohesion coefficient
25 CoefficientCoeffIkari, Matt Jsliding cohesion coefficient
26 DifferenceDiffIkari, Matt Jpeak shear stress - residual shear stress
27 RatioRatioIkari, Matt Jfriction difference
28 DisplacementDISmmIkari, Matt J
29 Area in square milimeterAreamm2Ikari, Matt Jreal area
30 CohesionCkPaIkari, Matt Jarea corrected sliding cohesion
31 CoefficientCoeffIkari, Matt Jarea corrected cohesion coefficient
Size:
515 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Sample label

Comment

Depth sed [m]

Unit

Sample ID

Sigma [kPa]
(in-situ)

Exp
(#)

C [kPa]
(raw data)
10 
Sigma [kPa]
(effective normal stress (raw ...)
11 
Tau [kPa]
(peak shear stress (raw data))
12 
Tau [kPa]
(residual shear stress (raw data))
13 
C [kPa]
(sliding cohesion (raw data))
14 
Sigma [kPa]
(effective normal stress)
15 
Sigma [kPa]
(effective normal stress incl....)
16 
Tau [kPa]
(peak shear stress)
17 
Tau [kPa]
(residual shear stress)
18 
Coeff
(peak friction coefficient)
19 
Coeff
(residual friction coefficient)
20 
Coeff
(internal friction coefficient)
21 
Coeff
(sliding friction coefficient)
22 
C [kPa]
23 
C [kPa]
(sliding cohesion)
24 
Coeff
(cohesion coefficient)
25 
Coeff
(sliding cohesion coefficient)
26 
Diff
(peak shear stress - residual ...)
27 
Ratio
(friction difference)
28 
DIS [mm]
29 
Area [mm2]
(real area)
30 
C [kPa]
(area corrected sliding cohesion)
31 
Coeff
(area corrected cohesion coeff...)
333-C0011D 333-C0011D-6H-3,0.067.92IAAH440B8815.4440.0275.8262.823.40447457271.3258.50.5930.5660.5570.51216.524.30.0360.05312.70.039.73219027.30.060
333-C0011D333-C0011D-17H-5,21.0154.62IAAH840B8926.9801.7461.8281.0847857486.7276.40.5680.3230.53627.70.032210.30.25
333-C0011D333-C0011D-32X-6,0.0246.44IAAH1340B9286.91255.0802.0388.813481358874.1403.50.6440.2970.58086.40.064470.60.35
333-C0011D333-C0011D-41X-7,44.0318.70IBAH1860B91101.81724.0727.2415.218661876788.9433.60.4210.2310.367101.00.054355.40.19
322-C0011B 333-C0011B-3R-5,20.5363.17IIAMI2210B9396.32038.0826.7573.322132223902.3613.70.4060.2760.36395.60.043288.60.13
333-C0011D333-C0011D-52X-3,57.0378.47IIBAH2330B9050.62147.0907.7417.923332343994.5436.70.4240.1860.40350.90.022557.90.24
322-C0011B333-C0011B-8R-6,92409.81IIBMI2580B94160.72372.01316.01073.058.40258225921459.61182.80.5630.4560.5020.434158.658.50.0610.023276.80.1112.39211968.10.026
322-C0011B333-C0011B-12R-3,60*after B71: only 10 kN load cell in vert444.51IIBMI2860B95141.22624.01206.0588.620.60286028701334.3631.10.4650.2200.4160.212139.621.60.0490.008703.20.2412.69211125.20.009
333-C0012C 333-C0012C-5H-2,122.035.72IAH170B8711.8170.0136.297.312.00149159134.796.60.8480.6090.7670.52612.913.10.0820.08338.10.2411.18215115.00.095
322-C0012A 333-C0012A-5R-3,6490.43IAH440B6621.0442.0245.7137.630.89449459241.8136.00.5260.2960.4790.22722.031.60.0480.069105.80.2312.40211836.80.080
333-C0012C333-C0012C-13H-5,100.0107.36IAH550B6218.2540.0342.2207.018.99558568350.4203.90.6170.3590.5840.32419.220.00.0340.035146.50.267.29225721.80.038
322-C0012A333-C0012A-9R-6,16125.92IMI670B6550.6599.0365.0192.021.10623633376.4189.30.5950.2990.5140.26450.922.00.0800.035187.20.309.96218424.90.039
322-C0012A333-C0012A-13R-3,76160.95IIMI910B68226.9868.0897.2619.826.44920930982.6666.61.0570.7170.8160.687223.427.30.2400.029315.90.349.30220230.50.033
333-C0012D 333-C0012D-12H-3,29.0175.08IIAH1020B6323.2967.0492.4349.063.2810291039521.5358.20.5020.3450.4790.28424.163.30.0230.061163.30.167.78224369.50.067
322-C0012A333-C0012A-17R-4,0199.19IIMI1190B86102.41120.0560.1232.411981208598.6225.40.4950.1870.4110.187101.60.084373.20.31
322-C0012A333-C0012A-27R-3,8292.55IIIMI1950B70130.91801.0835.6481.027.1019511961912.4508.50.4650.2590.3990.245129.527.90.0660.014403.90.2111.00215631.90.016
322-C0012A333-C0012A-39R-1,121405.78IVMI2870B5976.72646.0936.7530.127.14288528951027.6564.50.3550.1950.3290.18576.528.00.0260.010463.10.1610.30217431.70.011
316-C0006E 333-C0006E-19X-6,40.5120.59IIBMI1057B98998.1658.5593.210641074710.7636.30.6620.593
316-C0006E333-C0006E-22X-6,56.0150.66IIBMI1343B961256.0754.8658.542.6013491359820.4710.70.6040.5230.49143.10.03214.67205951.50.038
316-C0006E333-C0006E-27X-1,50.0192.43IICMI1741B991616.0972.5818.858.80174717571068.3893.30.6080.5090.47558.90.03412.53211568.60.039
316-C0006E333-C0006E-37X-8,20.0295.61IICMI2729B97152.12500.01732.01311.0272327331933.41453.90.7070.5320.652150.20.055
322-C0012A333-C0012A-20R-4,0Low/High F crossover: 372 kPa (vert), 284 kPa (horz), poor data, requires curve fit227.93IIIMI1420
322-C0012A333-C0012A-31R-1,26330.03IIIMI2190