ALPENA Next week, the Association of Lifelong Learners has a packed schedule with something for everyone.
Currently all programs are via Zoom livestream only. These programs are open to the public. Just send an email to ALL@Alpenacc.edu to receive Zoom connection information.
Monday, March 1
Searching for invasive amphipods, killer shrimp and demon shrimp will be at 6 p.m. on Monday, March 1.
Every summer the U. S. Fish and Wildlife Service Alpena field office collects samples that are examined for organisms, some barely visible to the naked eye, that could impact game fish species. During the winter months hours of microscope observations are conducted to search for killer shrimp, demon shrimp, and other aquatic invasive macroinvertebrates.
Bendable concrete created at the University of Michigan allows for thinner structures with less need for steel reinforcement. Joseph Xu/University of Michigan College of EngineeringOne of the big contributors to climate change is right beneath your feet, and transforming it could be a powerful solution for keeping greenhouse gases out of the atmosphere. The production of cement, the binding element in concrete, accounted for 7% of total global carbon dioxide emissions in 2018. Concrete is one of the most-used resources on Earth, with an estimated 26 billion tons produced annually worldwide. That production isn’t expected to slow down for at least two more decades. Given the scale of the industry and its greenhouse gas emissions, technologies that can reinvent concrete could have profound impacts on climate change. As engineers working on issues involving infrastructure and construction, we have been designing the next generation of concrete technology that can reduce infrastruct
Academy of Motion Pictures: Willis Construction Inc.
With the limitless capabilities of concrete, aside from specs, engineering requirements - and physics - one is only constrained to creativity and innovation when it comes to its use. Contractors can be innovative with the mix, colors and stains, a finish fit for a king, not to mention the design of the project. The Precast/Prestressed Concrete Insitute (PCI) celebrates this fact with award competitions year-round. Recently the institute announced the winners of the 2021 PCI Design Awards. Judges awarded 26 projects along with 12 honorable mentions for design excellence in building and transportation categories.
“Once again, the precast concrete industry has put its best foot forward and has delivered many inspiring and impressive projects,” says PCI President and CEO Bob Risser, P.E. in the official PCI announcement. He sees the award program as a chance for the precast concrete industry to demonstrate precasts practicality
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Dr David Stone works on a small domed building made with Ferrock, a material he has been developing as an alternative to Portland cement
Collaborative venture between Iron Shell LLC of US and VIT Chennai ANI | Updated: Dec 24, 2020 13:44 IST
New Delhi [India], December 24 (ANI/SRV Media): A new green alternative to Portland cement will be studied and developed in the Concrete Technology and Structures Laboratory at VIT Chennai.
The innovative cement is called Ferrock because it is an iron-based material and becomes hard like a rock when it reacts with carbon dioxide. This greenhouse gas is trapped in the material making it carbon negative. In contrast, the manufacture of Portland cement is a huge source of CO2 and contributes about 8 per cent to the total global output.