Adequate shoring is critical to the safety of a construction project. Therefore, a primary consideration in choosing a system is its load capacity - shoring must be able to support concrete and formwork loads until the concrete becomes structurally self-sufficient.
When a flow control and pressure release valve in an anaerobic filter failed in January 1989 at the Highland Creek Treatment Plant in East Toronto, Canada, the resulting buildup of fluid and methane gas pressure caused extensive cracking in the plant's domed concrete roof.
Working outside in cold weather can not only cause health hazards, it can also slow productivity.
In-slab hydronic heating systems can eliminate several of the unpleasant aspects of winter.
To help investigators determine the relative tightness of concrete details, surfaces, and surface treatments, a structural consulting company has developed a nondestructive instrument for use in quality control and forensic investigations.