Photo: Cary Kopczynski & Co High-strength rebar is costly but cuts down weight, reducing overall costs, a new study says. Related Links: High-Strength Rebar Market Is Heating Up New materials and methods available to concrete construction crews in the past decade present a financial dilemma:A flashy material may offer advantages despite its upfront cost, but how do you know you aren’t sending your overall project into the red?A research team took a stab at this problem and released their findings this morning to the Construction Industry Institute’s annual conference in Chicago. In some cases, the team found overall cost savings.
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.