The Trump administration plans to hold a summit with at least 15 federal agencies and begin discussions on crafting legislation aimed at injecting $1 trillion into the country's infrastructure. The meeting, planned for today, will be led by Gary Cohn, director of the National Economic Council.
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Tunnel boring machine Bertha has traveled 8,310 feet under Seattle, installing concrete tunnel rings. However, the borer got slightly off course, putting some of the rings "beyond the 6-inch tolerance limit," so tunneling has stopped, measurements will be taken and the alignment adjusted if needed.
The Texas Department of Transportation has developed a 10-year, $70 billion Unified Transportation Program designed to maintain and improve roads and has presented the proposal to the Texas Transportation Commission. The funding includes $2.5 billion for 19 Texas Clear Lanes projects to mitigate "growth-induced traffic gridlock" in five cities.
A $1.2 billion mixed-use developed proposed in Omaha, Neb., would be one of the largest in the city. The developer hopes to start construction later this year on the project that includes single-family homes, office space, shopping, dining and bike trails.
New textile-based technologies incorporating solar-active and photoluminescent yarn were used to create a shelter of solar fabrics that absorb and release light, offering illumination at night and cooling during the day. The Lumen exhibit for New York's MoMA PS1 was produced with a type of robotic arm that is typically used in large-scale 3D printing.
Johns Hopkins University researchers are engineering the cells of the amoeba Dictyostelium discoideum that can be used to remove bacterial contaminants from soil, kill the Legionella bacteria or destroy microbes on medical instruments. The team has received a four-year, $5.7 million contract from the Defense Advanced Research Projects Agency.
The Trump administration plans to use private and public financing for a $1 trillion worth of infrastructure projects, but some experts aren't sure if this will benefit dam maintenance needs and flood control projects. "We're going to have to have substantial federal investment in this, as well as state and local investment," said Larry Larson, the director emeritus of the Association of State Floodplain Managers.
The Dream Big: Engineering Our World film began after a 2011 symposium in New Jersey on using film to get students interested in engineering. Learn about the history of the IMAX movie, which is sponsored by Bechtel and is a collaborative effort between ASCE and MacGillivray Freeman Films.
Can you gauge the right time to turn left at a two-way intersection with no traffic signal? Is the road designed to maximize line of sight? What is that distance? The authors of a recent paper in ASCE's Journal of Transportation Engineering: Part A: Systems used GPS data from real drivers' behavior and different vehicle capabilities to develop a new method for calculating the required intersection sight distance, as well as a new acceleration profile. Explore this method free for a limited time, courtesy of ASCE Library.
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