Abstract Rough joints can over-close due to a prior higher stress, or due to temperature increase alone. There is better fit of their opposing walls causing increased friction and even tensile strength. Well-controlled laboratory HTM tests, in situ HTM block tests, and large-scale heated rock mass tests, lasting several years at Stripa, Climax and Yucca Mountain, have produced likely evidence for this coupled response, which is different from pressure solution. Rock mass deformation moduli, thermal expansion coefficients, hydraulic apertures, shear strength, and seismic velocities can each be affected. In the cooling phase of an HLW repository, and in a geothermal project, rougher joints may be thermally over-closed, and cooling causing contraction effects may be focused where joints are more planar, causing shear and fluid capture.

中文翻译：

---

岩石节理的机械过度闭合和热过度闭合的回顾：核废料处理和地热能开发耦合建模的潜在后果

摘要 由于先前的较高应力或仅由于温度升高，粗糙接头可能会过度闭合。它们相对的壁更好地贴合，从而增加了摩擦力甚至拉伸强度。在 Stripa、Climax 和 Yucca 山持续数年的控制良好的实验室 HTM 测试、原位 HTM 块体测试和大规模加热岩体测试已经为这种与压力溶解不同的耦合响应提供了可能的证据。岩体变形模量、热膨胀系数、水力孔隙、剪切强度和地震速度都会受到影响。在 HLW 处置库的冷却阶段和地热项目中，较粗糙的接缝可能会在热上过度闭合，并且冷却引起的收缩效应可能集中在接缝更平坦的地方，从而导致剪切和流体捕获。