In order to build a new clinical facility for cancer patients on a tight Boston site, engineers and contractors had to devise a 70-ft-to 110-ft-deep barrier wall to serve double duty by cutting off ...

Operators are using a new downhole drilling slurry additive that they do not want their competitors knowing about it. It is their secret weapon for overcoming high torque issues and getting weight to ...

Eighty years after piers were constructed in San Francisco Bay to hold up the eastern span of the San Francisco-Oakland Bay Bridge, a specialized contractor was preparing to blast its sturdy footings.