A recent series of dynamic tests demonstrates that there are several types and doses of steel-fiber reinforcement that can be used in performance-based seismic design of coupling beams—headers that ...
An immense concrete bridge beam took up both lanes of Route 61 south in Schuylkill Haven on Thursday morning on its way to Bucks County. Manufactured at Northeast Prestressed Products in Cressona, the ...
Q: I’m thinking of buying a dilapidated old frame house in the country. It has a stone foundation that seems to me to be too close to the ground. Are stone foundations adequate and strong? Is it ...
Lego-like 3D-printed beams offer lightweight alternative to concrete By Nick Lavars March 09, 2021 According to research team behind them, the new 3D-printed beams weigh up to 80 percent less than ...
Many of the 3D printed houses and structures we’ve seen use concrete and are — frankly — a little underwhelming. Making big squares out of concrete isn’t that hard and while we are sure there is some ...