Tag: cement

A powdery substance made with calcined lime and clay. It is mixed with water to form mortar or mixed with sand, gravel, and water to make concrete.

The Selection Process

The Selection Process

When municipalities face the demands of projects that are typically out of their scope of work, they turn to outside consultants to help them reach their objectives. These goals can span the range from enormously challenging, such as coping with natural disasters, to assistance in day-to-day administration, writing new ordinances,

Cementitious Coatings for Tanks In Special Applications

Cementitious Coatings for Tanks In Special Applications

Non-potable hot water and cold water storage can present different challenges due to the temperature of the stored water itself. AmTech developed its HydraStone cement lining for use on steel hot water tanks after the tanks’ original cementitious or thin mil epoxy linings have failed. The manufacturer points out that

Straight and True

Straight and True

People have an amazing ability to adapt to and even become blasé about technological wonders. The things that we take for granted (flying, television, cell phones, the Internet) would seem like something out of science fiction to anyone 100 years ago. Now, we can’t imagine what life was like without

Trends in Tank Lining

Trends in Tank Lining

With an eye to maintaining water quality in its potable water tanks, Huntsville Utilities in Alabama keeps all of its in-service tanks on a maintenance program that includes annual inspections.

Managing Daily Cover and Drainage at MSW Landfill Sites

Managing Daily Cover and Drainage at MSW Landfill Sites

Today’s municipal solid waste (MSW) landfills are much more than places to dump household trash. They’re engineered facilities that are designed to hold and isolate the trash from the environment and are governed by both federal and state regulations.

Landfill designers and operators face two main challenges to the integrity of

Rehabilitating Stormwater Pipe

Rehabilitating Stormwater Pipe

In the booming 1990s, Orange County took a close look at its growing—and aging—water infrastructure to make decisions about maintaining and upgrading it. They decided to contract outside their own stormwater department for making the repairs to the system. The Stormwater Management Division in Orange County has been through many

Project Profile: The Makeover of Runway 4L/22R

Project Profile: The Makeover of Runway 4L/22R

It was almost as though the $225-million runway that the Detroit Metropolitan Wayne County Airport (DTW) had added in 2001 was jinxed from the get-go. Expected to last 30 years, Runway 4L/22R had issues arise a mere three years later when cracks and flaws in the concrete required maintenance to

Tackling Landfill Erosion and Leachate Challenges

Tackling Landfill Erosion and Leachate Challenges

Today’s municipal solid waste (MSW) landfills are much more than places to dump household trash. They’re engineered facilities that are designed to hold and isolate the trash from the environment and are governed by both federal and state regulations.

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