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adjusted affect aggregate areas batch bedding mix better bond Bureau cause cement clean cohesion Colorado compaction concern Considerations consistency construction contractor conventional concrete conveyor cores cost cracking cubic yards density determine Dolen drains dump Elk Creek Dam Engineering and Research equipment especially evaluated field fines fly ash forms foundation frequency galleries gravity grout Hansen heat higher important inches increases Japan joint laboratory larger less lift limits mass materials maximum measurements method mortar operation paste Paxton percent placed plant possible precast problem Production projects Prusia Quality Control reduce Research Center Denver retarder roller safety factor sand Schrader seepage segregation SESSION site-specific slope smaller specifications stability strength stress structures surface tests thick tion Transport trucks uniform uplift Upper Stillwater upstream face vibrating Void ratios voids volume Willow Creek Dam Yates
Page 6 - The high strength secured from lightweight aggregates consisting of burnt shale, has shown the fallacy of the older views that the strength of the concrete is dependent upon the strength of the aggregate.