Pervious Concrete
Pervious concrete consists of a hydraulic cementitious binding system combined with an open-graded aggregate to produce a rigid pavement with typically 15% to 25% interconnected void space....

Grid Pavement
Open grid pavements consist of concrete or plastic units with large surface openings filled with a permeable joint material, typically small aggregate (ASTM No. 8 or No. 89), sand, or...

Hail Concepts
Hail, the product of vigorous deep convection, requires those same conditions that are conducive to the development of thunderstorms. These conditions include water vapor, especially in...

Watershed-Based Permitting — A Myth or Reality?
The United States Environmental Protection Agency has promulgated the Total Maximum Daily Load process to achieve the goals of the Clean Water Act. The TMDL processis applied to water...

A Knowledge-Based Decision Support System for Selection of Recharge Pond Sites for Streamflow Augmentation of Waterfowl Habitat

Effects of Agricultural Drainage on the Baseflow in the Minnesota River Basin

Guidelines for the Testing of Seismic Isolation and Energy Dissipating Devices
This report outlines the HITEC Technical Evaluation Plan for seismic isolation and energy dissipating systems. The plan is designed to characterize the fundamental properties and performance...

Par Excellence
A 50-year-old Brownfield with a mountainous pile of steel slag has been remediate and developed into a recreational site that boasts a free golf course for inner-city youth, a championship-quality...

Fundamentals of Seismic Isolation
This chapter examines fundamentals of seismic isolation, including its principles, history, and examples of seismically-isolated structures....

Analysis
This chapter presents a brief overview of the current analytical modeling techniques for isolated structures. Perhaps the biggest challenge in the design of an isolated structure is incorporating...

Guidelines for Testing Large Seismic Isolator and Energy Dissipation Devices
This report outlines the HITEC Technical Evaluation Plan for large seismic isolator and energy dissipation devices. The plan is designed to characterize the fundamental properties and...

Revised Operation of a Dam and Reservoir to Achieve Environmental Objectives
Alamo Dam and Lake are located in the State of Arizona in the western part of the United States of America. The dam is located 62.8 km (39 mi) upstream (east) from the rivers confluence...

New Developments in the Field of Seismic Isolation
This paper will concentrate onwhat likely, is the most significant of these issues: changes in the mechanical properties ofseismic isolation and energy dissipation hardware as they are...

Evaluation Findings for Seismic Energy Products, L.P. Elastromeric Isolation Bearing
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report presents the results of a detailed evaluation...

New Navigation Channel
Among the facilities needed to accommodate Pier 400 at the Port of Los Angeles (POLA) was a new navigation channel to handle the increased container and liquid bulk traffic that the port...

Assessing the Benefits of Clean, Healthy Beaches
Today, there is a need for a national economic benefits study that will enable policy makers to understand what return they can expect from an investment of taxpayer dollars in a coastal...

Low Cost Sand Re-Nourishment to Combat Chronic Beach Erosion: Long Beach, California
The City of Long Beach has analyzed and attempted numerous methods of beach erosion control and mitigation along Peninsula Beach. With the exception of beach nourishment, nothing has proven...

The Economics of Our Beaches
An overview is given on the economics of beaches. Topics discussed include the role of beachfront properties in the local economy, beaches as free community open space, role of beaches...

State and Federal Funding for Beach Restoration Projects
California's beaches are an integral part of its culture and identity. The state's beaches are eroding at an alarming rate. Addressing this concern, CalCoast and CSBPA co-sponsored legislation...

Equalizing Wet Weather Flows
Sanitary sewer overflows and combined sewer overflows can wreak havoc on communities by flooding basements, contaminating drinking water sources and recreational water bodies, and flowing...

 

 

 

 

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