Editor's Desk

Water control is an on-going, long term maintenance and life cycle cost concern. Grouting to control ground water inflow is a well-known technique with more science being applied to the art. The need now is for more sharing of the information about the failures as well as the successes of small local and high volume grouting operations.
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Herrenknecht Normet Tsurumi Pumps Hany BabEng AECOM USA Gall Zeidler VMT CRCHI