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Jon Mullarky, P.E., F.ASCE


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RE: Micro vs Macro Fiber Reinforced Concrete

Posted By Jon Mullarky 04-05-2018 11:57 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
​ACI's Guide for Design and Proportioning of Concrete Mixtures for Concrete Pavements ACI 325.14R-17 notes that fibers are mostly used in thin bonded overlays and very thin concrete pavements and have been recommended as a solution to plastic shrinkage cracking. The guide also provides some information ...

RE: Type F Fly Ash

Posted By Jon Mullarky 02-27-2017 03:36 PM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
I agree with the concern about future supplies of fly ash and slag cement. Environmental regulations are moving the power industry away from coal fired power plants. The demise of the domestic steel industry means slag cement will come from steel furnaces offshore. Other SCMs, such as silica fume and ...