CONTENTS
Page
Preface ........................................................................................................................... ii
Introduction ................................................................................................................... 1
Part 1. The bricks ........................................................................................................... 2
Compaction procedure ........................................................................................... 2
Gross appearance and behavior .............................................................................. 3
Storage of bricks used in strength tests .................................................................. 3
Part 2. The test program ................................................................................................ 3
Uniaxial compressive testing ................................................................................. 3
Flexural testing ....................................................................................................... 7
Effect of final compaction pressures and duration of final load ............................ 9
Effect of thermal gradient ....................................................................................... 9
Part 3. Microstructure .................................................................................................... 11
Equipment and procedures ..................................................................................... 12
Results .................................................................................................................... 12
Discussion .............................................................................................................. 13
Applications ................................................................................................................... 13
Conclusions ................................................................................................................... 14
Literature cited ............................................................................................................... 14
Appendix A: Fabrication information for all samples ................................................... 17
Appendix B: Unconfined compressive strength data for all samples tested ................. 19
Appendix C: Flexural strength data for all samples tested ............................................ 21
Appendix D: Thin sections of representative samples of CFG ice ................................ 23
Abstract .......................................................................................................................... 35
ILLUSTRATIONS
Figure
1. Steel form used to produce compacted snow/ice samples ....................................
3
2. Cutting pattern used in preparing samples for use in uniaxial
compressive strength testing and for crystallographic studies ...............................
4
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