Why women’s rights matter to everyone
While it may seem far-fetched at first, there’s a correlation between women’s rights and world peace. Violence and instability thrive where preference for sons skews demographics or women are treated […]
Insights
Extending the life of nuclear power plants
About 20% of Minnesota’s electricity comes from nuclear power plants. Nuclear power provides an important supplement to solar and wind power. Like them, it doesn’t emit CO2, but unlike them […]
Resilient grains could promote food security
Most of the world looks to either wheat or rice as the staff of life. Wheat has been in the news since the Russian invasion of Ukraine disrupted shipments from […]
Supply chain ethics of electric vehicles
Engineering students must demonstrate “an ability to apply engineering design to produce solutions that meet specified needs with consideration of public health, safety, and welfare, as well as global, cultural, social, […]
How to evaluate concrete core strengths
There are many reasons to take cores of in-place concrete. You might want to know the capacities of the footings and columns in an old building you plan to adapt […]
ACI PRC-132.1 assigns responsibilities in caring for concrete test specimens
ACI PRC-132.1-22, “Responsibility for the Care of Test Specimens for Acceptance of Concrete“, describes who should do what to ensure accurate acceptance testing. As a TechNote rather than a standard […]
ASTM C1077
ASTM C1077 is the “Standard Practice for Agencies Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Testing Agency Evaluation.” Agencies such as AASHTO provide independent accreditation […]
Prescription to performance
As part of its Prescription to Performance (P2P) initiative, the National Ready Mixed Concrete Association surveyed its members. They wanted to know which prescriptive requirements kept them from optimizing concrete. […]
Recycling wind turbine blades
The rise of wind power has been crucial in reducing carbon dioxide emissions and tackling climate change. Minnesota has been a leader in deploying wind turbines, and wind accounted for […]