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On-Site Containment of PCB-Contaminated Soils
A remedial investigation/design project, with subsequent post-closure monitoring, was conducted for upland areas containing PCBs at an industrial site in New Bedford, Massachusetts. A...

Roller Compacted Concrete
Roller compacted concrete has emerged recently as an economical material and rapid method of construction for use in gravity dams, overflow structures and heavy duty pavements. The economics...

Hydropower
Recent Developments
The Foothills Project has been under consideration by the Denver Board of Water Commissions for many years. It is one of the major steps in the continued efforts of the Board to provide...

Shrimp Farm Made Feasible
Engineers on a limited budget developed a facility on the island of Oahu, Hawaii, where Mexican blue shrimp are being raised commercially. A series of U shaped sections were laid parallel...

Clay Pipe Installation?Advances in Load Factors
This report presents an evaluation of traditional load factor values for clay pipe and the development of a new bedding system which gives a higher load factor. Tests demonstrate that...

Failure of a Large Reinforced Concrete Pipeline
This paper describes the damage that occurred when a landslide overloaded an 11 ft diameter reinforced concrete pipeline. The 8 ft lengths of pipe, each of 11. 5-in. wall thickness, were...

SPIDA: An Analysis and Design System for Buried Concrete Pipe
The paper presents a description of a new computerized direct design method for buried concrete pipe named SPIDA (Soil-Pipe Interaction Design and Analysis). Also the technical basis and...

Experiences in Concrete Pipeline Construction in Ontario 158-1985
The paper discusses the title subject in terms of concrete pipe fabrication methods and plants, pipe jointing and jointing materials, and construction experiences in the Province of Ontario,...

Longitudinal Prestressed Piping for District Heating
The design of recently installed hot water district heating systems in the United States is based on similar systems developed in Europe. Longitudinal prestressing is used in the design...

Proportioning Reinforcement for Buried Concrete Pipe
The proportioning of reinforcement between inner and outer cages that is specified in ASTM Standard Specification C76 for concrete pipe in sewer and culvert applications is examined in...

Influence of Frost Action on the Load Exerted on Buried Pipe
When work was started on revising the Swedish code for concrete pipes at the end of the 70's, a research project was carried out to evaluate the risk of increased load due...

Planned Overtopping of Embankments Using Roller Compacted Concrete
Three recent projects are discussed where the economy and versatility of roller compacted concrete (RCC) were utilized to allow flood water overtopping of small to medium size embankment...

Brazil's Innovation in APM Technology
The paper discusses an automated people mover (APM) called an Aeromovel which consists of pneumatically-controlled vehicles weighing less than 20,000 pounds with a capacity of 300 passengers....

Design and Fabrication of the Guideway Superstructure for the Miami METROMOVER
The guideways for the driverless rubber-tired vehicles are entirely aerial. As a result of severe restrictions on horizontal alignment and pier locations imposed by the downtown Miami...

Design and Construction of Guideway: Vancouver Advanced Light Rapid Transit
The Vancouver Advanced Light Rapid Transit (ALRT), system consists of linear induction motor driven, light-weight cars automatically controlled operating over a 21. 4 km system from downtown...

Alignment Special Structures for Vancouver's ALRT
This paper describes the special long-span structures, offset columns, and bent structures used in situations where the standardized guideway components used in over 90 percent of the...

Production of Guideway Beams for the Vancouver ALRT
This paper describes the planning, layout and design of a large scale precast plant and innovations in production technology for the fabrication and delivery of 1040 tangent and curved,...

Guideway Beams?Formwork and Fabrication
A manufacturing concept was developed around an adjustable form capable of mass producing prestressed concrete beams to the unique geometric configuration of each section of track. The...

Load-Bearing Capacity of Masonry Walls in a Critical Buckling Condition Taking Into Account the Restraining Effect of Floor Slabs
This paper studies the buckling effect of masonry walls and concrete floor slabs as a frame system. The frame is calculated according to the theory of II. order. The buckling length, the...

Insulative Lightweight Concrete for Building Walls
Research is currently being conducted to develop a portland cement concrete for use in low-rise building walls that will combine the structural, thermal insulating, and heat storage capacity...

 

 

 

 

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