Bond of Portland-Cement Grout to Large-Diameter Steel Casing,
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MISS
Pagination or Media Count:
A study was performed to proportion a grout mixture which would support an 18-in.-diameter line-of-sight pipe positioned downhole in a 48-in.-diameter steel casing. Temperature of the grout in place was not to exceed 150 F. Test sections of the line-of-sight pipe and 48-in. casing were grouted with various grout mixtures and subjected to load at 24- and 48-hr ages in a 1,500,000-lb-capacity testing machine. Grout-casing bond strength and curing temperatures which met the required design criteria were obtained.
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