http://earthwise-staging.bgs.ac.uk/index.php?action=history&feed=atom&title=OR%2F12%2F032_Appendix_A1_-_Abbreviations OR/12/032 Appendix A1 - Abbreviations - Revision history 2026-04-15T16:39:42Z Revision history for this page on the wiki MediaWiki 1.42.3 http://earthwise-staging.bgs.ac.uk/index.php?title=OR/12/032_Appendix_A1_-_Abbreviations&diff=41007&oldid=prev Dbk: 1 revision imported 2019-05-28T14:30:54Z <p>1 revision imported</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:30, 28 May 2019</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table> Dbk http://earthwise-staging.bgs.ac.uk/index.php?title=OR/12/032_Appendix_A1_-_Abbreviations&diff=41006&oldid=prev Ajhil at 15:43, 8 May 2019 2019-05-08T15:43:43Z <p></p> <p><b>New page</b></p><div>__NOTOC__<br /> {{OR/12/032}}<br /> <br /> &lt;p align=&quot;center&quot;&gt;&#039;&#039;&#039;Formation abbreviations for geotechnical data&#039;&#039;&#039;&lt;/p&gt;<br /> <br /> &lt;center&gt;<br /> {| class=&quot;wikitable&quot;<br /> <br /> |- style=&quot;vertical-align:top;&quot;<br /> <br /> | ! scope=&quot;col&quot; style=&quot;width: 75px;&quot; | &#039;&#039;&#039;BDS&#039;&#039;&#039;<br /> | ! scope=&quot;col&quot; style=&quot;width: 275px;&quot; | &#039;&#039;&#039;Bridport Sand Formation&#039;&#039;&#039;<br /> |- style=&quot;vertical-align:top;&quot;<br /> | BLI<br /> | Blue Lias Formation<br /> |- style=&quot;vertical-align:top;&quot;<br /> | BNLS<br /> | Beacon Limestone Formation<br /> |- style=&quot;vertical-align:top;&quot;<br /> | CDI<br /> | Cleveland Ironstone Formation<br /> |- style=&quot;vertical-align:top;&quot;<br /> | CHAM<br /> | Charmouth Mudstone Formation<br /> |- style=&quot;vertical-align:top;&quot;<br /> | DYS<br /> | Dyrham Formation<br /> |- style=&quot;vertical-align:top;&quot;<br /> | MRB<br /> | Marlstone Rock Formation<br /> |- style=&quot;vertical-align:top;&quot;<br /> | RMU<br /> | Redcar Mudstone Formation<br /> |- style=&quot;vertical-align:top;&quot;<br /> | SMD<br /> | Scunthorpe Mudstone Formation<br /> |- style=&quot;vertical-align:top;&quot;<br /> | WHM<br /> | Whitby Mudstone Formation<br /> |}<br /> &lt;/center&gt;<br /> <br /> &lt;p align=&quot;center&quot;&gt;&#039;&#039;&#039;Glossary of geotechnical abbreviations &amp; units&#039;&#039;&#039;&lt;/p&gt;<br /> &lt;center&gt;<br /> {| class=&quot;wikitable&quot;<br /> |- style=&quot;vertical-align:top;&quot;<br /> | ! scope=&quot;col&quot; style=&quot;width: 200px;&quot; | &#039;&#039;&#039;&#039;&#039;Parameter&#039;&#039;&#039;&#039;&#039;<br /> | ! scope=&quot;col&quot; style=&quot;width: 100px;&quot; | &#039;&#039;&#039;&#039;&#039;Main&#039;&#039;&#039;&#039;&#039;<br /> | ! scope=&quot;col&quot; style=&quot;width: 100px;&quot; | &#039;&#039;&#039;&#039;&#039;Alternative(s)&#039;&#039;&#039;&#039;&#039;<br /> | ! scope=&quot;col&quot; style=&quot;width: 150px;&quot; | &#039;&#039;&#039;&#039;&#039;Units&#039;&#039;&#039;&#039;&#039;<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Liquid limit<br /> | w&lt;sub&gt;L&lt;/sub&gt;<br /> | LL<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Plastic limit<br /> | w&lt;sub&gt;P&lt;/sub&gt;<br /> | PL<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Plasticity index<br /> | I&lt;sub&gt;P&lt;/sub&gt;<br /> | PI<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Modified Plasticity index<br /> | I&lt;sub&gt;P&lt;/sub&gt;&#039;<br /> |<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Liquidity index<br /> | I&lt;sub&gt;L&lt;/sub&gt;<br /> | LI<br /> | -<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Bulk density<br /> | g&lt;sub&gt;b&lt;/sub&gt;<br /> | BD<br /> | Mg/m&lt;sup&gt;3&lt;/sup&gt;<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Dry density<br /> | g&lt;sub&gt;d&lt;/sub&gt;<br /> | DD<br /> | Mg/m&lt;sup&gt;3&lt;/sup&gt;<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Particle density<br /> | g&lt;sub&gt;p&lt;/sub&gt;<br /> | PD<br /> | Mg/m&lt;sup&gt;3&lt;/sup&gt;<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Natural water content<br /> | w<br /> | NWC, NMC<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Voids ratio<br /> | e<br /> |<br /> | -<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Clay-size fraction<br /> | %CLAY<br /> | CLAY<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Silt-size fraction<br /> | %SILT<br /> | SILT<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Sand-size fraction<br /> | %SAND<br /> | SAND<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Gravel-size fraction<br /> | %GRAVEL<br /> | GRAVEL<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Activity<br /> | A&lt;sub&gt;C&lt;/sub&gt;<br /> |<br /> | -<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Linear shrinkage<br /> | LS<br /> |<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Total sulphate<br /> | SO&lt;sub&gt;4&lt;/sub&gt; (tot)<br /> | T.Sul.<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Aqueous sulphate<br /> | SO&lt;sub&gt;4&lt;/sub&gt; (aq)<br /> | A.Sul.<br /> | g/l<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Sulphate in groundwater<br /> | SO&lt;sub&gt;4&lt;/sub&gt; (w)<br /> | W.Sul.<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Acidity<br /> | pH<br /> | PH<br /> | -<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Organic content<br /> | ORG<br /> |<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Carbonate content<br /> | CARB<br /> |<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Acid soluble Chloride<br /> | CHL (as)<br /> |<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Water soluble chloride<br /> | CHL (ws)<br /> |<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Moisture Condition Value<br /> | MCV<br /> |<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Maximum Dry density<br /> | MDD<br /> |<br /> | Mg/m&lt;sup&gt;3&lt;/sup&gt;<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Optimum Water Content<br /> | OWC<br /> | OMC<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | California Bearing Ratio<br /> | CBR<br /> |<br /> | %<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Permeability<br /> | k<br /> |<br /> | m/s<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Coefficient of volume compressibility<br /> | m&lt;sub&gt;V&lt;/sub&gt;<br /> |<br /> | m&lt;sup&gt;2&lt;/sup&gt;/MN<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Coefficient of consolidation<br /> | c&lt;sub&gt;V&lt;/sub&gt;<br /> |<br /> | m&lt;sup&gt;2&lt;/sup&gt;/yr<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Compression index<br /> | C&lt;sub&gt;C&lt;/sub&gt;<br /> |<br /> | -<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Swelling index<br /> | Ce<br /> |<br /> | -<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Triaxial<br /> | TX<br /> | TRIAX<br /> |<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Shear-box<br /> | SH-BX<br /> | SHB<br /> |<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Triaxial - Total cohesion<br /> | c&lt;sub&gt;u&lt;/sub&gt;<br /> | TX-Cu<br /> | kPa<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Triaxial - Effective cohesion<br /> | c&#039;<br /> | TX-C<br /> | kPa<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Triaxial - Effective friction angle<br /> | Φ&#039;<br /> | TX-PHI<br /> | degrees<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Shear box - Peak cohesion<br /> | c&lt;sub&gt;p&lt;/sub&gt;<br /> | SHB-Cpeak<br /> | kPa<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Shear box - Residual cohesion<br /> | c&lt;sub&gt;r&lt;/sub&gt;<br /> | SHB-Cresid<br /> | kPa<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Shear box - Peak friction angle<br /> | Φ&#039;&lt;sub&gt;p&lt;/sub&gt;<br /> | SHB-PHIpeak<br /> | degrees<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Shear box - Residual friction angle<br /> | Φ&#039;&lt;sub&gt;r&lt;/sub&gt;<br /> | SHB - PHIresid<br /> | degrees<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Standard Penetration Test<br /> | SPT<br /> |<br /> | N, blows/300&amp;nbsp;mm pen.<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Uniaxial compressive strength<br /> | UCS<br /> |<br /> | MPa<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Young&#039;s modulus<br /> | E<br /> |<br /> | MPa<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Poisson&#039;s ratio<br /> | n<br /> |<br /> | -<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Sonic velocity (P-wave)<br /> | v&lt;sub&gt;p&lt;/sub&gt;<br /> | Vel (p)<br /> | m/s<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Sonic velocity (S-wave)<br /> | v&lt;sub&gt;s&lt;/sub&gt;<br /> | Vel (s)<br /> | m/s<br /> |- style=&quot;vertical-align:top;&quot;<br /> | Point load index<br /> | I&lt;sub&gt;S50&lt;/sub&gt;<br /> | PT-LOAD<br /> | -<br /> |}<br /> &lt;/center&gt;<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> [[Category:OR/12/032 Engineering Geology of British rocks and soils - Lias Group | 13]]</div> Ajhil