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Several problems involved with concrete excess bleeding, such as durability and strength mitigation, unsightly surface, delayed finishing or postponed mold translocation. The purpose of study is to detectmajor cause for excess bleeding in Gotvand affiliated projects.Thus, interaction among different ingredientswas surveyed viaslurry mixes. That way the most consistent components and subsequently approperiate mixes were emerged . Besides that some alternative treatments were proposed as well.Then sort of physical model was devised to evaluate bleeding rate and capacity for each alternative mixes. Chemically inconsistent behaviorof components, poor fine content, nonuniform cement manufacturing have beeen recognized as major motives. Bringing stone powder back to sand production cycle was concluded as an effective as well as most economic treatment option. Concrete placement into segment through mere one access point at each elevation of formwork, thus unfavorable concrete displacement using formwork vibrators was identified as the most harmful executive cause as well.

Concrete Lining Pathology for Bleeding: Penstock and Surge Tank of Upper Gotvand Dam