Compensation Grouting
To minimize ground movement while tunneling a sewer 5 m below Toronto's Spadina subway line, engineers used special instrumentation, tunneling control and grouting to limit...

Great Grouts (Available only in Geoenvironmental Special Issue)
Particulate grouting has long posed challenges to those in the geotechnical field. But significant developments in the understanding of hydration and rheology control look promising. Modern...

Preparing for Repair (Available only in Geoenvironmental Special Issue)
The Sacramento River Water Treatment Plant, Sacramento, Calif., was built in 1924 and hadn't been upgraded since 1958. In 1996, the city of Sacramento, the owner of the plant,...

Design of Blast Resistant Buildings in Petrochemical Facilities
This report provides general guidelines in the structural design of blast resistant petrochemical facilities. Informational coverage is provided for OSHA requirements, design objectives,...

Grouting
Compaction, Remediation and Testing
This proceedings, Grouting: Compaction, Remediation and Testing contains case studies, field and laboratory studies related to grouting materials...

Guidelines for Seismic Evaluation and Design of Petrochemical Facilities
These guidelines are intended to provide practical recommendations on several areas which affect the safety of a petrochemical facility during and following an earthquake. In the area...

Wind Loads and Anchor Bolt Design for Petrochemical Facilities
Current codes and standards do not address many of the structures found in the petrochemical industry. Therefore, many engineers and companies involved in the industry have independently...

Los Angeles Metro-TBM Starter Tunnels-Mixed Face Conditions
Twin TBM starter tunnerls with mixed face conditions were successfully mined by roadheader with steel rib and shotcrete initial support beneath the Hollywood Freeway. Tunneling and total...

Grouting Pains (Available in Geoenvironmental Engineering Special Issue)
The article focuses on a new grouting technique for filling holes drilled during site investigation. The holes are grouted as the drill is withdrawn from the hole, instead of filled later....

Degradation of Natural Building Stone
This proceedings, Degradation of Natural Building Stone represents an effort to collate the various disciplines working in the area of building...

The Right Tooele for the Job
Parker describes how the nation's largest chemical munitions destruction facility was designed and how it will operate. The U.S. Signed on to the Chemical Weapons Convention...

Grouting to Great Depths
Logan Martin dam on the Coosa River in Alabama has been plagued by underseepage since its construction in 1964. The karst forming the dam's foundation allows water to flow...

Chemical Grouting
Technical Engineering and Design Guide, as adapted from U.S. Army Corps of Engineers, No. 24. This manual provides information and guidance for the...

Ground-Water Treatments Gain Ground
Ground water is the main source of the nation's public water supplies and is also used extensively for agricultural and industrial purposes. Yet our reserves are constantly...

Leachate Chemistry: Its Implications for Clogging
The clogging of leachate collection systems is controlled by interrelated mi and chemical phenomena. Mesocosms containing landfill materials and simulating leachate collection were infiltrated...

Pilot Testing of a Zero-Discharge Treatment Process
As environmental regulations become more stringent, pulp and paper mills are investigating alternatives to conventional biological treatment and discharge of effluents into receiving waters....

Comparative Simulation of Oil Weathering
Oil spills in the aquatic environment, an unfortunately more and more common occurrence, cause contamination effects which negatively impact water quality, health of ecosystems and water...

Risk Analysis of Drinking Water Treatment and Supply Facilities Handling Highly Hazardous Chemicals
Due to increasing public concern of risks from handling highly hazardous chemicals at various facilities, a number of state regulatory agencies, including the State of California, have...

Successful Implementation of Grouted Boulder Grade Control Structures on Drainageways in the Denver Metropolitan Area
This paper describes the development of design guidelines for the Grouted Sloping Boulder drop structure as an alternative for the sloping riprap drop structure. A number of partial failures...

Geochemical Modeling of Lead in Vadose Zone
In recent years, researchers have used multicomponent reactive transport models to study the mobility of potentially toxic heavy metals in the subsurface. In this study, such a mathematical...

 

 

 

 

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