Q: I have an old swimming pool, and the colored concrete topping and deck have a number of cracks. I have had at least five pool builders tell me that they can't repair cracks with any guarantee for any length of time. Is this standard for Florida, or is it a practice local to my community? A: There are three things you can be certain of: death, taxes and exposed concrete-slab cracking. Hairline cracks are a result of the normal expansion and contraction that concrete undergoes from hot and cold, and wet and dry conditions.
A concrete driveway may be a better choice than a less expensive blacktop driveway. They are supposed to last longer, resist wear and some find them more attractive than asphalt.
Milwaukee officials closed the garage at 601 W. Wells St. on Friday after months of warning the building owners that safety repairs needed to be made. We didn't feel that the garage was in danger of collapsing on Friday," said Art Dahlberg, the city commissioner of the Department of Neighborhood Services. "But we didn't want chunks of concrete to fall on people or cars in the building.
...(iv) Unusual concrete deterioration or cracking, including development o...
Shaky sidewalks, cracking concrete and lousy bridges falling down -- readers responded to "Just Fix It" throughout 2006 with suggestions about public infrastructure needing repairs. Each week, the Pittsburgh Tribune-Review highlights some of the worst potholes, leaking sewer lines and cracked utility poles in Western Pennsylvania and holds accountable the people responsible for their upkeep.
The sensors, which can be implanted in new construction or existing roads, measure temperature, moisture content, cracking, and the presence of the sodium chloride that can weaken concrete's embedded reinforced steel.
The governor wisely waited until after the state budget gap was closed before endorsing a plan to spend $160 million repairing and rebuilding bridges around the state. The reason for such big-ticket spending, even in the midst of an economic downturn which has lowered tax revenues to a trickle, is that Maine can't wait. Rusting steel beams, crumbling concrete pillars and cracking asphalt cannot be persuaded to wait for a sunnier financial forecast. And when bridges fail, or are in danger of failing, entire transportation corridors are closed. If that happens, the Maine economy might as well put up a "closed" sign.
PATERSON - When it was built in 1927, the Barclay Street Viaduct spanned railroad tracks and carried traffic heading toward Valley Road and Lambert Castle on Garret Mountain. Today, the concrete on the overpass is cracking and its reinforcing steel is rusting.
MARLTON - The deadly collapse of a 10-story Atlantic City casino parking garage last fall was blamed Thursday on contractors and inspectors who didn't adequately secure floors to walls, ignored warnings about cracking concrete, and failed what one official called "Engineering 101. The U.S. Occupational Safety and Health Administration cited four contractors for safety violations leading to the accident, in which the top five stories of the Tropicana Casino and Resort garage collapsed Oct. 30 during a concrete pour. Four men died and 20 were injured.
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