Kieffer, D. ScottLeelasukseree, Cheowchan2007-01-032022-02-092007-01-032022-02-092006https://hdl.handle.net/11124/790822006 Fall.Includes bibliographical references.Includes illustrations (some color).doctoral dissertationsengCopyright of the original work is retained by the author.Further understanding of block-in-matrix ground in TBM tunnelingText