Thermal Cracking in Westerly Granite Monitored Using Direct Wave Velocity, Coda Wave Interferometry, and Acoustic Emissions

Griffiths L.; Lengliné O.; Heap M. J.; Baud P.; Schmittbuhl J.

摘要

Abstract > To monitor both the permanent (thermal microcracking) and the nonpermanent (thermo‐elastic) effects of temperature on Westerly Granite, we combine acoustic emission monitoring and ultrasonic velocity measurements at ambient pressure during three heating and cooling cycles to a maximum temperature of 450°C. For the velocity measurements we use both <fi>P</fi> wave direct traveltime and coda wave interferometry techniques, the latter being more sensitive to changes in <fi>S</fi> wave velocity. During the first cycle, we observe a high acoustic emission rate and large—and mostly permanent—apparent reductions in velocity with temperature ( <fi>P</fi> wave velocity is reduced by 50% of the initial value at 450°C, and 40% upon cooling). Our measurements are indicative of extensive thermal microcracking during the first cycle, predominantly during the heating phase. During the second cycle we observe further—but reduced—microcracking, and less still during the third cycle, where the apparent decrease in velocity with temperature is near reversible (at 450°C, the <fi>P</fi> wave velocity is decreased by roughly 10% of the initial velocity). Our results, relevant for thermally dynamic environments such as geothermal reservoirs, highlight the value of performing measurements of rock properties under in situ temperature conditions. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <Title Type =“main”>抽象</ title> >监控永久性（热微裂纹）和非经常（热弹性）效果在西部花岗岩上的温度，在三个加热和冷却循环期间，在环境压力下将声发射监测和超声速度测量结合在450℃的最高温度下。对于我们使用的速度测量，我们使用<fi> p </ fi>波直接行程和coda波干涉测量技术，所以后者对<fi> s </ fi>波速的变化更敏感。在第一次循环期间，我们观察高音发射率，并且在450°C时，高音发射率和大多数是速度的速度（<fi> p </ fi>波速度减小50％的初始值的50％，冷却时40％）。我们的测量结果表明在第一循环期间广泛的热循环，主要是在加热阶段期间。在第二个循环期间，我们观察到的进一步但减少微裂纹，并且在第三个循环期间仍然仍然仍然仍然存在，其中温度的速度差异在可逆的情况下（在450℃下，<Fi> P </ Fi>波速度减少初始速度的约10％）。我们的结果，与地热储层等热动力环境相关，突出了在原位温度条件下进行岩石性能测量的值。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-34677/'>《Journal of geophysical research. Solid earth: JGR》</a> <b style="margin: 0 2px;">|</b><span>2018年第3期</span><b style="margin: 0 2px;">|</b><span>共16页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Griffiths L.&option=202" target="_blank" rel="nofollow">Griffiths L.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lengliné O.&option=202" target="_blank" rel="nofollow">Lengliné O.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Heap M. J.&option=202" target="_blank" rel="nofollow">Heap M. J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Baud P.&option=202" target="_blank" rel="nofollow">Baud P.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Schmittbuhl J.&option=202" target="_blank" rel="nofollow">Schmittbuhl J.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Institut de Physique de Globe de StrasbourgUniversité de Strasbourg/EOST CNRS UMR 7516Strasbourg France;</p> <p>Institut de Physique de Globe de StrasbourgUniversité de Strasbourg/EOST CNRS UMR 7516Strasbourg France;</p> <p>Institut de Physique de Globe de StrasbourgUniversité de Strasbourg/EOST CNRS UMR 7516Strasbourg France;</p> <p>Institut de Physique de Globe de StrasbourgUniversité de Strasbourg/EOST CNRS UMR 7516Strasbourg France;</p> <p>Institut de Physique de Globe de StrasbourgUniversité de Strasbourg/EOST CNRS UMR 7516Strasbourg France;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=thermal microcracking&option=203" rel="nofollow">thermal microcracking;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=coda wave interferometry&option=203" rel="nofollow">coda wave interferometry;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=P wave velocity&option=203" rel="nofollow">P wave velocity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=acoustic emissions&option=203" rel="nofollow">acoustic emissions;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=geothermal&option=203" rel="nofollow">geothermal;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Westerly Granite&option=203" rel="nofollow">Westerly Granite;</a> </p> <div class="translation"> 机译：热微捕发;Coda波干涉测量;P波速度;声辐射;地热;西风花岗岩; </div> </li> </ul> </div> </div> <div class="literature cardcommon" id="literaturereference" style="display:none"> <div class="similarity "> <h3 class="all_title" id="enpatent111">引文网络</h3> <div class="referencetab clearfix"> <ul id="referencedaohang"> <li dataid="referenceul">参考文献</li> <li dataid="citationul">引证文献</li> <li dataid="commonreferenceul">共引文献</li> <li dataid="commoncitationul">同被引文献</li> <li dataid="tworeferenceul">二级参考文献</li> <li dataid="twocitationul">二级引证文献</li> </ul> </div> <div class="reference_details" id="referenceList"> <ul id="referenceul"></ul> <ul id="citationul"></ul> <ul id="commonreferenceul"></ul> <ul id="commoncitationul"></ul> <ul id="tworeferenceul"></ul> <ul id="twocitationul"></ul> </div> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704025592857.html">Thermal Cracking in Westerly Granite Monitored Using Direct Wave Velocity, Coda Wave Interferometry, and Acoustic Emissions</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Griffiths L.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Griffiths L.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lengliné O.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Lengliné O.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Heap M. 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component comprises waveguide, which exhibits waveguide layer having first acoustic wave velocity and first cladding layer directly adjacent to waveguide layer, and electrode for excitation acoustic wave in waveguide</a> <b>[P]</b> . <span> 外国专利：  DE102011119660A1 </span> <span> . 2013-05-29</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：微声部件包括波导，其具有具有第一声波速度的波导层和与波导层直接相邻的第一包层，以及用于在波导中激发声波的电极 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130404789036.html">Acoustic emission wave detector, acoustic emission wave detection system, and acoustic emission wave detection method</a> <b>[P]</b> . <span> 外国专利：  JP6423894B2 </span> <span> . 2018-11-14</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：声波检测器，声波检测系统和声波检测方法 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130407278868.html">Acoustic Emission Wave Detector, Acoustic Emission Wave Detection System, and Acoustic Emission Wave Detection Method</a> <b>[P]</b> . <span> 外国专利：  US2017329006A1 </span> <span> . 2017-11-16</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：声发射波检测器，声发射波检测系统和声发射波检测方法 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" 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