2026-09-21T09:38:12Z https://www.ideals.illinois.edu/oai-pmh

oai:www.ideals.illinois.edu:2142/82933 2023-07-11 col_2142_5131 col_2142_13836 com_2142_5130 com_2142_13835 com_2142_234

J. Francis Young Ai, Hua 2015-09-25T20:53:41Z 2015-09-25T20:53:41Z 10000-01-01 2000 2000 In the second half of this work, thermal expansion property was systematically investigated for cement pastes with a wide range of microstructure features. It was found that saturated paste behaves anomalouly in response to temperature change, i.e., the thermal expansion is followed by a time-dependent delayed contraction at isothermal condition. This characteristic was found to be related to the pore structure and the elastic properties of the paste. A permeability-based mechanism was proposed to quantitatively explain the observed thermal deformation, and was used successfully to model the delayed contraction and calculate the permeability coefficient of mature, dense cement paste in the order 10 -16 m/s. Made available in DSpace on 2015-09-25T20:53:41Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9989924.pdf: 9015817 bytes, checksum: 2c8c790bda8f4e78d3874f1fa1a47a9d (MD5) Previous issue date: 2000 Embargo set by: Seth Robbins for item 84214 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 217 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2000. http://hdl.handle.net/2142/82933 (MiAaPQ)AAI9989924 eng Engineering, Materials Science Investigation of the Dimensional Stability in DSP Cement Paste text Materials Science and Engineering Materials Science and Engineering University of Illinois at Urbana-Champaign Dissertation Ph.D.