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As the coach of a construction team, you should continually observe your "players"—at all skill levels and then do everything possible to motivate them. This article considers some coaching strategies.
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Daily reports help superintendents and project managers track job progress and subcontractor performance. If you are a subcontractor, daily reports can document interferences by the general contractor or other subcontractors. Estimators can use daily reports to price future similar projects. Daily...
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In the Denver area, most claims against home builders are due to foundation problems. Contractors across the country face a similar dilemma.
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With most available modular wall forming systems offering pressure ratings no higher than 1650 psf, EFCO made news at World of Concrete 2001 when it introduced a new modular form system designed to handle 2400 psf lateral pressure.
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Soon after Harbor Towers in Boston was built in 1972, residents complained about water leaking into their units. Over the next several years, saltwater from winds coming off the sea penetrated the porous concrete and corroded the steel reinforcement. Carbonization reduced the alkalinity of the...
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Although we don't actually want concrete to crack, we certainly expect it to, and all good designs plan for it. Indeed, the reinforcement in concrete doesn't even begin to work until it cracks. We even put in lines of weakness and beg the cracks to follow, which of course they sometimes don't.
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Low compressive strength test results can be due to one of three things. This article discusses the three causes of low results and how to prevent these problems.