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The obvious and overwhelming evidence rendered a summary judgment against the aggregate supplier. But it wasn't over: A trial still ensued over a damage award.
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More than 100 inground outdoor swimming pools and integral spas—constructed using reinforced shotcrete shells faced with nominal 12.5-mm-thick (½-in.-thick) intimately bonded white mortar veneer—had cracked after a few years of use.
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In the next few months, we would like to describe several examples where analytical data was used in forensic processes. Because our work involves problems, we invariably get involved in forensic situations. Our end is to provide analytical data—facts—upon which problem causes can be unraveled. We...
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Some metals usually get along fine in portland cement mortar and concrete. Some do not, for some it depends. Iron and steel are among the first kind.
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When we discussed hydration last month, it dealt mostly with calcium hydroxide (Ca(OH) or CH), which seemed like a good way to introduce the subject—after all, calcium hydroxide constitutes about 20% to 25% of the portland cement paste.
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We all have passions—portland cement's passion is water. With water, it becomes another material that possesses a myriad of physical and chemical properties.
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Over a span of almost four years, we have completed more than 40 column articles, and now find another year's end approaching.
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They are concretes of a sort, masonry mortar and stucco, that is. They both contain portland cement and aggregates, but then they separate into distinct compositions and purposes.
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We thought of now discussing portland cement minerals beginning with tricalcium silicate, as well as dicalcium silicate and tricalcium aluminate.
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What if some things you hear about portland cement, supplementary cementitious materials, cement paste, entrapped and entrained air, aggregates—coarse and fine—mineral and chemical admixtures, durability, concrete longevity, and strength are not true or only partially true?