EARTH DYNAMICS | Rock Mechanics

<body background="_themes/earthdyn2/stonbk.jpg" bgcolor="#FFFFFF" text="#000000" link="#003399" vlink="#800000" alink="#666666"><font face="Arial"> <p align="left" style="margin-top: -10; margin-bottom: 0"> <img border="0" src="_borders/logo3.jpg" align="left" width="66" height="87"><font size="7" color="#0000FF"><b><i> </i></b></font><b><i><font size="7" color="#0000FF">EARTH DYNAMICS</font></i></b></p> </font><table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse; float:right; position:absolute; left:734; top:-2" width="334" height="93" align="right"> <tr> <td width="334" height="68" valign="top"><font face="Arial"> <p style="margin-bottom: -15" align="center"><b><font color="#0000FF">Providing Consulting Services To</font></b></p> <p align="center"> <b> <font color="#0000FF">The Pacific Northwest Since 1984</font></b></p> <p align="center"> <b>503-227-7659</b></p> </font></td> </tr> </table><font face="Arial"> <blockquote> <p style="margin-top: -15; margin-bottom: 0" align="left"> <b> <font size="4" color="#0000FF">  </font>       Geophysics ● Vibration & Noise ● Rock Mechanics</b></p> </blockquote> <p> </p> <p align="center"> <script language="JavaScript"></script><script language="JavaScript"></script><a href="index.htm" language="JavaScript" onmouseover="if(MSFPhover) document['MSFPnav1'].src=MSFPnav1h.src" onmouseout="if(MSFPhover) document['MSFPnav1'].src=MSFPnav1n.src" target="_top"><img src="_derived/home_cmp_ed-mainpage010_hbtn.gif" width="144" height="46" border="0" alt="Home" align="middle" name="MSFPnav1"></a> <script language="JavaScript"></script><a href="Geophysical_Methods.htm" language="JavaScript" onmouseover="if(MSFPhover) document['MSFPnav2'].src=MSFPnav2h.src" onmouseout="if(MSFPhover) document['MSFPnav2'].src=MSFPnav2n.src" target="_top"><img src="_derived/Geophysical_Methods.htm_cmp_ed-mainpage010_hbtn.gif" width="144" height="46" border="0" alt="Geophysical Methods" align="middle" name="MSFPnav2"></a> <script language="JavaScript"></script><a href="Vibration_&_Acoustic.htm" language="JavaScript" onmouseover="if(MSFPhover) document['MSFPnav3'].src=MSFPnav3h.src" onmouseout="if(MSFPhover) document['MSFPnav3'].src=MSFPnav3n.src" target="_top"><img src="_derived/Vibration_&_Acoustic.htm_cmp_ed-mainpage010_hbtn.gif" width="144" height="46" border="0" alt="Vibration & Acoustic" align="middle" name="MSFPnav3"></a> <img src="_derived/Rock_Mechanics.htm_cmp_ed-mainpage010_hbtn_p.gif" width="144" height="46" border="0" alt="Rock Mechanics" align="middle"> <script language="JavaScript"></script><a href="Applications.htm" language="JavaScript" onmouseover="if(MSFPhover) document['MSFPnav4'].src=MSFPnav4h.src" onmouseout="if(MSFPhover) document['MSFPnav4'].src=MSFPnav4n.src" target="_top"><img src="_derived/Applications.htm_cmp_ed-mainpage010_hbtn.gif" width="144" height="46" border="0" alt="Applications" align="middle" name="MSFPnav4"></a></p> <p align="center"><img src="_themes/earthdyn2/hline.gif" width="600" height="10"></p> <h3 align="center"><b>ROCK MECHANICS</b> LABORATORY CAPABILITIES</h3> <blockquote> <blockquote> <div align="center"> <center> </font><table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" width="80%"> <tr> <td width="100%"><font face="Arial"> <h4>Strength Tests</h4> <blockquote> </font><table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr><td valign="top" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Triaxial shear (10,000 psi confining pressure)</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Direct shear (20,000 lb normal, 40,000 lb shear)</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Unconfined compression (250,000 lb axial load)</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Direct tensile</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Indirect tensile<br></i></font></td></tr> </table><font face="Arial"> </blockquote> <h4>Stress-Strain Tests</h4> <blockquote> </font><table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr><td valign="top" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Young's Modulus (confined, unconfined, static, dynamic)</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Poisson's Ratio (confined, unconfined, static, dynamic)</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Compressibility (linear and volumetric)</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Differential strain Analysis</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Biaxial Deformation Modulus (for overcoring tests)</i></font></td></tr> </table><font face="Arial"> </blockquote> <h4>Creep Tests</h4> <blockquote> </font><table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr><td valign="top" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Unconfined (constant stress or constant strain)</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Confined (constant stress or constant strain)</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Heated (confined or unconfined to 300 deg. C)</i></font></td></tr> </table><font face="Arial"> </blockquote> <h4>Thermal Tests</h4> <blockquote> </font><table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr><td valign="top" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Thermal expansion</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Thermal conductivity</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Thermal diffusivity</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"> <i> Specific heat</i></font></td></tr> </table><font face="Arial"> </blockquote> <h4>Other Tests</h4> <blockquote> </font><table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr><td valign="top" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Ultrasonic compressional and shear wave velocity</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Thin section and petrographic analysis</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Scanning electron microscopy</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Specific gravity</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Bulk and grain density</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Permeability</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Porosity</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Moisture content</i></font></td></tr> <tr><td valign="baseline" width="42"><img src="_themes/earthdyn2/abstrbu2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><font face="Arial"><i>Particle size analysis</i></font></td></tr> </table><font face="Arial"> </blockquote> </font></td> </tr> </table><font face="Arial"> </center> </div> </blockquote> </blockquote> <p align="center"> </p> <p align="center"><img src="_themes/earthdyn2/hline.gif" width="600" height="10"></p> <p align="center" style="margin-bottom: -17; 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">  </p> <p align="center" style="margin-bottom: -17; "> <u><b><i>Contact Information</i></b><i><b><font size="2"><br> </font></b></i></u><font size="2">2284 NW Thurman Street, Portland, Oregon  97210</font></p> <p align="center" style="margin-bottom: -17; margin-top:15"> <font size="2">voice: (503) 227-7659  fax: (503) 227-1074</font></p> <p align="center" style="margin-bottom: -17; margin-top:15">  </p> <p align="center" style="margin-top: 10"> <font size="1">Last modified: March 07, 2008</font></p> </font></body>