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McCook Reservoir Case History of Current US Rock Grouting Practice
McCook Reservoir will be a 26.5 million cubic meter (7 billion gallon) storage reservoir as part of the combined sewer overflow system for the Chicago area. The excavation of this reservoir will extend 76 m (250 feet) into limestone. In order to decrease permeability in the rock up to 2 orders of magnitude to less than 0.5 Lugeons, two rows of grout curtain (one on each side of the cutoff wall staggered 15 degrees from vertical in opposite directions) are drilled through the overburden then 99 m (325 ft) into the limestone. In 2006, this was the largest computer monitored cement grouting project ever constructed in the U.S. The grouting is performed using current Corps of Engineers requirements. Topics presented include: overburden drilling, water hammer drilling of rock, balanced and stabilized grout mixes, state-of-art computerized grouting control and data collection system, return line versus direct pumping, apparent Lugeon refusal criterion, and overall quality control.
McCook Reservoir Case History of Current US Rock Grouting Practice
McCook Reservoir will be a 26.5 million cubic meter (7 billion gallon) storage reservoir as part of the combined sewer overflow system for the Chicago area. The excavation of this reservoir will extend 76 m (250 feet) into limestone. In order to decrease permeability in the rock up to 2 orders of magnitude to less than 0.5 Lugeons, two rows of grout curtain (one on each side of the cutoff wall staggered 15 degrees from vertical in opposite directions) are drilled through the overburden then 99 m (325 ft) into the limestone. In 2006, this was the largest computer monitored cement grouting project ever constructed in the U.S. The grouting is performed using current Corps of Engineers requirements. Topics presented include: overburden drilling, water hammer drilling of rock, balanced and stabilized grout mixes, state-of-art computerized grouting control and data collection system, return line versus direct pumping, apparent Lugeon refusal criterion, and overall quality control.
McCook Reservoir Case History of Current US Rock Grouting Practice
Barison, Luca (author) / Richards, Jr., Thomas D. (author) / Baldwin, Roger A. (author)
Proceedings of the Fourth International Conference on Grouting and Deep Mixing ; 2012 ; New Orleans, Louisiana, United States
Grouting and Deep Mixing 2012 ; 1226-1237
2012-08-17
Conference paper
Electronic Resource
English
Grouting , Highways and roads , Chemical grouting , Anchors , Cement , Case studies , Chicago , Cutoffs , Piles , Mixing , Illinois , Rocks , Foundations , Hydraulic structures
McCook Reservoir-Case History of Current U.S. Rock Grouting Practice
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