Tag: clay soil

Clay is a fine-grained natural rock or soil material that combines one or more clay minerals with traces of metal oxides and organic matter. Clays are plastic due to their water content and become hard, brittle and non–plastic upon drying or firing.

Regulatory Impact

Regulatory Impact

Every landfill is subject to federal, state, and local regulations. The Resource Conservation and Recovery Act covers a set of laws, regulations, and Environmental Protection Agency policy to protect communities and conserve resources. Congress granted the EPA authority to develop regulations and policies to ensure safe management of solid waste,

Stormwater Infiltration in Clay Soils

Stormwater Infiltration in Clay Soils

Stormwater runoff from impervious surfaces is causing devastating effects on the landscape of our developing watersheds. We are disrupting the natural hydrological cycle that supports our potable water supplies and natural fauna. Intentional stormwater infiltration can restore that cycle. However, the lack of awareness and the perceived lack of data

Retaining Walls—Beauty With Purpose

Retaining Walls—Beauty With Purpose

Retaining walls vary tremendously in design and setting, but they all share a functional purpose. A well-designed retaining wall can enhance the appearance of a site, but if it doesn’t stabilize the earth and last, it’s not a success. Retaining walls in the following projects add value to their sites

Beauty With Purpose

Beauty With Purpose

Retaining walls vary tremendously in design and setting, but they all share a functional purpose. A well-designed retaining wall can enhance the appearance of a site, but if it doesn’t stabilize the earth and last, it’s not a success. Retaining walls in the following projects add value to their sites

Four Cases Where Cofferdams Work

Four Cases Where Cofferdams Work

Sometimes a project requires keeping sediment out of clean water that needs to remain free-flowing. Sometimes it’s not the sediment that has to be held back, but the water itself, so that work can be done in the temporarily dry space.

Parting the Waters

Parting the Waters

Sometimes a project requires keeping sediment out of clean water that needs to remain free-flowing. Sometimes it’s not the sediment that has to be held back, but the water itself, so that work can be done in the temporarily dry space.

Growing Pains

Growing Pains

Known for its involvement with banking and auto racing, Charlotte is one of the 10 fastest-growing cities in the US. The city’s 2014 estimated population is nearly 810,000.

Cable-Location Equipment and Applications in Utility Line Identification

Cable-Location Equipment and Applications in Utility Line Identification

Vacuum excavation applications and utility locator technologies are discussed along with site specific conditions that help determine the choice between hydro versus air vacuum excavation. Conditions as frozen soil and brittle utilities are evaluated in determining vacuum excavation methods and why nothing beats an experienced operator and reliable equipment.

A Better Plan to Manage Stormwater

A Better Plan to Manage Stormwater

The Virginia Department of Transportation (VDOT) approved StormChambers for One Loudoun, a large mixed-use development in Ashburn, Loudoun County, VA. It was one of the first applications where VDOT runoff water—combined with private runoff water—went to this type of system, notes Steve Pandish, director of water resources for the engineering

Spillway Flood Control

Spillway Flood Control

Michigan Spillway Flood Control Project
Vast amounts of moisture—both heavy snow and rainfall—have been falling on the flat, rural Red River basin in North Dakota and Minnesota for the past 25 years, says Ben Varnson, chairman of the Nelson County Water Resource District in North Dakota.

Ten inches of rain can fall

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