Objectivity in technical writing
Part of professional engineering practice is objective communication. In fact, it’s so important that the Engineers’ Code of Ethics calls it out specifically. How do we achieve objectivity in technical […]
Part of professional engineering practice is objective communication. In fact, it’s so important that the Engineers’ Code of Ethics calls it out specifically. How do we achieve objectivity in technical […]
Throughout the United States, many interstate highways carry the name “Eisenhower” to honor the president who promoted the concept. But Eisenhower’s interstate highway system is showing its age. President Biden […]
In the Middle Ages, alchemists sought in vain to turn base metals into gold. Now all that remains of alchemy is some laboratory equipment. But imaginative urban planning offers a […]
ASTM C1556 and NT Build 492 both measure the ease with which chloride ions migrate into concrete. Both test methods estimate the diffusion coefficient, a measure of the rate at […]
Following last month’s power outage in Texas, state legislators conducted hearings to sort out what happened and why. There was plenty of finger-pointing and little enlightenment. Power company executives laid […]
CALGreen requires the reuse, recycling, or salvage of at least 65% of the waste from construction and demolition. A previous blog discussed how to reuse water from concrete production. Another […]
Although engineers usually think of compressive strength as the most important property of concrete, concrete for slabs on ground is different. According to ACI PRC-302.1-15, for slabs on ground the […]
Some of us who live in arid parts of the world think about water with a reverence others might find excessive.—Joan Didion, “Holy Water”, 1977 Most of us learned in […]
In Minnesota, Iowa, and South Dakota, we sometimes see aggregate popouts, particularly in concrete flatwork. Popouts are unsightly surface defects that may appear a few hours to a few weeks […]
Climate change is already affecting everything from wildfires to coral reefs. To combat climate change, the cement industry has announced its 2050 Carbon Ambition, pledging to produce carbon-neutral concrete by […]