OR/12/032 Appendix A1 - Abbreviations: Difference between revisions
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Latest revision as of 14:30, 28 May 2019
| Hobbs, P R N, Entwisle, D C, Northmore, K J, Sumbler, M G, Jones, L D, Kemp, S, Self, S, Barron, M, and Meakin, J L. 2012. Engineering Geology of British rocks and soils - Lias Group. British Geological Survey, Nottingham, UK. (OR/12/032). |
Formation abbreviations for geotechnical data
| BDS | Bridport Sand Formation |
| BLI | Blue Lias Formation |
| BNLS | Beacon Limestone Formation |
| CDI | Cleveland Ironstone Formation |
| CHAM | Charmouth Mudstone Formation |
| DYS | Dyrham Formation |
| MRB | Marlstone Rock Formation |
| RMU | Redcar Mudstone Formation |
| SMD | Scunthorpe Mudstone Formation |
| WHM | Whitby Mudstone Formation |
Glossary of geotechnical abbreviations & units
| Parameter | Main | Alternative(s) | Units |
| Liquid limit | wL | LL | % |
| Plastic limit | wP | PL | % |
| Plasticity index | IP | PI | % |
| Modified Plasticity index | IP' | % | |
| Liquidity index | IL | LI | - |
| Bulk density | gb | BD | Mg/m3 |
| Dry density | gd | DD | Mg/m3 |
| Particle density | gp | PD | Mg/m3 |
| Natural water content | w | NWC, NMC | % |
| Voids ratio | e | - | |
| Clay-size fraction | %CLAY | CLAY | % |
| Silt-size fraction | %SILT | SILT | % |
| Sand-size fraction | %SAND | SAND | % |
| Gravel-size fraction | %GRAVEL | GRAVEL | % |
| Activity | AC | - | |
| Linear shrinkage | LS | % | |
| Total sulphate | SO4 (tot) | T.Sul. | % |
| Aqueous sulphate | SO4 (aq) | A.Sul. | g/l |
| Sulphate in groundwater | SO4 (w) | W.Sul. | % |
| Acidity | pH | PH | - |
| Organic content | ORG | % | |
| Carbonate content | CARB | % | |
| Acid soluble Chloride | CHL (as) | % | |
| Water soluble chloride | CHL (ws) | % | |
| Moisture Condition Value | MCV | % | |
| Maximum Dry density | MDD | Mg/m3 | |
| Optimum Water Content | OWC | OMC | % |
| California Bearing Ratio | CBR | % | |
| Permeability | k | m/s | |
| Coefficient of volume compressibility | mV | m2/MN | |
| Coefficient of consolidation | cV | m2/yr | |
| Compression index | CC | - | |
| Swelling index | Ce | - | |
| Triaxial | TX | TRIAX | |
| Shear-box | SH-BX | SHB | |
| Triaxial - Total cohesion | cu | TX-Cu | kPa |
| Triaxial - Effective cohesion | c' | TX-C | kPa |
| Triaxial - Effective friction angle | Φ' | TX-PHI | degrees |
| Shear box - Peak cohesion | cp | SHB-Cpeak | kPa |
| Shear box - Residual cohesion | cr | SHB-Cresid | kPa |
| Shear box - Peak friction angle | Φ'p | SHB-PHIpeak | degrees |
| Shear box - Residual friction angle | Φ'r | SHB - PHIresid | degrees |
| Standard Penetration Test | SPT | N, blows/300 mm pen. | |
| Uniaxial compressive strength | UCS | MPa | |
| Young's modulus | E | MPa | |
| Poisson's ratio | n | - | |
| Sonic velocity (P-wave) | vp | Vel (p) | m/s |
| Sonic velocity (S-wave) | vs | Vel (s) | m/s |
| Point load index | IS50 | PT-LOAD | - |