21hOpinion
Inquirer on MSNThe ‘Big One’ and substandard steel bars - a killer mix: CommentThe earthquake disaster in Myanmar and Thailand has renewed scrutiny across the region — especially in the Philippines, where ...
PennDOT has found another crack in a support pier that carries traffic on I-579. It comes just about a month after PennDOT found a similar crack in one of the concrete piers that supports the HOV lane ...
Researchers have made a groundbreaking paste that could help create carbon-capturing concrete in new construction projects.
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