COUPLED HYDRO-MECHANICAL PROCESSES IN CRYTALLINE ROCK AND IN INDURATED AND PLASTIC CLAYS: A COMPARATIVE DISCUSSION
This paper provides a comparative discussion of coupled hydromechanical processes in three different geological formations: crystalline rock, plastic clay, and indurated clay. First, the important processes and associated property characteristics in the three rock types are discussed. Then, one particular hydromechanical coupling is brought up for detailed consideration, that of pore pressure changes in nearby rock during tunnel excavation. Three field experiments in the three rock types are presented and their results are discussed. It is shown that the main physical processes are common to all three rock types, but with very different time constants. The different issues raised by these cases are pointed out, and the transferable lessons learned are identified. Such cross fertilization and simultaneous understanding of coupled processes in three very different rock types help to greatly enhance confidence in the state of science in this field.
Chin-Fu Tsang Peter Blüimling Frederic Bernier
Lawrence Berkeley National Laboratory (LBNL), USA Nationale Genossenschaft fur die Lagerung Radioaktiver Abfalle (NAGRA) Switzerland European Underground Research Infrastructure for Disposal of Nuclear Waste in Clay Environment (EURI
国际会议
南京
英文
3-13
2006-05-22（万方平台首次上网日期，不代表论文的发表时间）