Large shell structures made of concrete or stone are hardly ever built any more. The reason is that their construction requires large, expensive supporting structures. A completely new construction ...

The California Department of Transportation (Caltrans) has specified precast concrete pavement slabs for one of the largest projects of this type in North America, the Pavement and Slab Replacement ...

A successful project starts during the bidding process. Defining the Request for Proposal (RFP) with a clear vision of the scope of work, job site conditions and work restrictions will go far in ...

In this video, I demonstrate the process of creating a large concrete slab from start to finish. **CHAPTERS:** 00:00 - Clearing the Area 01:30 - Surveying the Site 02:28 - Building the Frame 06:13 - ...

Getting your Trinity Audio player ready... By Garance Burke, The Associated Press MEXICO CITY — Nearly two-thirds of the buildings that collapsed in Mexico City’s monstrous earthquake last month were ...