A Station With a View
The Port Authority TransHudson Corp. (PATH) is renovating and expanding Exchange Place station, the first stop in New Jersey across the Hudson River from lower Manhattan. To be completed...

Building Bridges Faster
Guidelines are presented that tell how to write a contract that will lead to radical reductions in the time to build or rebuild a bridge. The article covers how to write an incentive/disincentive...

A Combined RCC and Reinforced Concrete Spillway
Stacy Dam features the latest evolution in the use of roller compacted concrete for construction of spillways. Because of unusual site conditions, RCC will be used in three different parts...

Behavior of Completed RCC Dams
Enough roller compacted concrete dams have been completed to allow an overall evaluation of this new approach to construction. Performance has been good. No operational restrictions have...

Bond Strength of Roller Compacted Concrete
Roller compacted concrete, or RCC, is a dam construction method which consists of placing horizontal layers of no-slump concrete in 1- to 3-ft (0. 3- to 0. 9-m) lifts and compacting the...

Design and Construction of Lower Chase Creek Dam
Lower Chase Creek Dam is a roller compacted concrete flood control dam located in a generally dry creek in eastern Arizona. Dam design, including the site investigation and start-up of...

Construction of Elk Creek Dam
Construction of Elk Creek Dam, located in Southwest Oregon, is currently underway with completion scheduled for September 1988. The main dam contract was awarded to Ohbayashi Gumi Ltd....

Construction of Upper Stillwater Dam
This paper describes the equipment, placing methods, and peak production rates from the contractor's viewpoint for both the Roller Compacted Concrete and the Slipformed Facing...

Quality Control/Inspection�Upper Stillwater Dam
Roller compacted concrete construction, or RCC, is a relatively new method of constructing concrete dams and involves placing and spreading no-slump concrete in horizontal layers and compacting...

Whither Roller Compacted Concrete for Dam Construction?
During the formative years of the roller compacted concrete (RCC) dam, three different approaches to the design have evolved; the lean RCC dam, the RCD (rolled-concrete dam) method and...

Quality of Works in RCC in France: A Contractor's Solution
Bec Freres S. A. , a French dam contractor, introduced the technique of roller compacted concrete (RCC) into France. The first two French RCC dams were built as a result of a program of...

RCC in Dams in Australia
The design, construction and performance of the first three dams constructed in Australia, using RCC are described. Aspects covered in the paper include designing for zero cohesion between...

Proportioning RCC Pavement Mixtures
The U. S. Army Corps of Engineers has begun using roller compacted concrete for construction of heavy-duty pavements and low volume streets and roads which are exposed to low-speed tracked...

Corps of Engineers Experience with RCC Pavements
Roller compacted concrete pavements were first developed in the U. S. by the Corps of Engineers in 1975. Since that time, RCC pavements have been constructed throughout much of the U....

RCC Pavement Construction and Quality Control
In October 1986 a 16,500 sq yd (14,300 sq m) roller-compacted concrete (RCC) pavement tank hardstand, the first of its kind in Europe, was built for the U. S. Army at Harvey Barracks in...

Design of Roller Compacted Concrete Pavements
This paper reviews some of the differences between roller compacted concrete and conventionally constructed concrete pavements. These differences require additional consideration during...

Geotechnical Exploration and Site Preparation Techniques for Large Mall in Karst Terrain
A large commercial mall and secondary developments were planned for construction in a karst area near Clarksville, Tennessee. A geotechnical exploration was conducted to evaluate the occurence...

Treatment of Karst Along Tennessee Highways
The construction and maintenance of highways in karst areas of East Tennessee has resulted in the occurrence and treatment of induced sinkholes along the ditchlines of numerous highways....

Foundation Treatment of Karstic Features Under TVA Dams
TVA has constructed many of its dams on limestone foundations. Some of these foundations have been highly weathered and required special treatment not only to ensure strength but to develop...

Geosynthetics in the NATM Tunnel Design
This paper describes the Design Methodology for the New Austrian Tunneling Method (NATM) with special emphasis on the geotextile and geomembrane commonly used in the waterproofing design...

 

 

 

 

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