The Performance and Application of Cement-Based Grout Material with High Hour Strength

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397-400

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September 2003

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© 2003 Trans Tech Publications Ltd. All Rights Reserved

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[1] Development and uses of GRM ultra high early strength self-leveling cement-based grouting material (Appraisal documents), December, 2000, Beijing (in Chinese).

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[2] Yanmou Wang, Muzhen Su and Liang Zhang: Sulphoaluminate Cement, Publication of Beijing University of Technology, 1st edition, December 1999, Beijing (in Chinese). No. Project Uses Work requirements Effect 1 DaYao Mountain Tunnel Railway bed reinforcement W/s=0.40, keeping flowing for 10~12min., strength at 30min.>8Mpa, anti-washout excellent 2 Dabanshan Tunnel waterproofing grout of tunnel lining Altitude 3800m, ambient temperature -15o C, setting time ~60min. high early strength good 3 Wuhan steel plant Structure reinforcement, equipment base grout High early strength concrete, strength at 6 hours > 30MPa, stable strength development, good workaibility time and cost saving, 4 Dongdan subway station Shotcreting High early strength and high final strength shotcrete(>40MPa) High strength

DOI: 10.14359/51711227

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