In the last (and first) issue of ENR’s FutureTech newsletter (which went out June 14), I discussed key pricing and compatibility issues to consider when buying new design software. But there are other issues to consider, which can include the usability of your drawings. Related Links: Before You Upgrade CAD: Questions to Ask (Pt. 1 of 2) A key test is a simple one: print out a detailed set of drawings for a job, in different sizes, on paper and in PDF or other format you might use for portable tablets and laptops. Is everything there? In the second half
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.