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Effect of Air Gap on Platform Reliability
A simplified reliability study of the effect of lateral wave forces impacting the deck of a fixed platform is presented. The reliability of the deck legs, considered the primary resistance...

Resolving Reliability Issues for an Offshore Platform Code
A fixed steel offshore platform design specification based on reliability concepts has been developed which could become an alternate to the existing working stress code, American Petroleum...

An Intelligent Design Support System for Computer-Aided Site Development
This research proposes an intelligent design support system (DSS) integrated with a CAD environment for building site planning and development. The DSS is used for providing a good initial...

Making Microcomputer Based CADD Systems Productive
The introduction of microcomputer based CADD systems has made CADD affordable to small engineering firms. Many have not been able to make their CADD system productive. The sources of poor...

CADD Applications in Water Resources Design
CADD can provide substantial benefits, in terms of speed and ease of revisions, in the design of civil engineering projects, including water resources facilities. However, current design...

Virginia Case Studies of Risk Based Drainage Design
The goal of this paper is to apply a practical engineering risk-based method of design of pavement and surface drainage systems to three Virginia case studies. The target systems include...

Vacuum Sewers: Construction and Operating Experience
As an alternative to conventional collection, the vacuum system has many advantages. Smaller diameter pipes, shallower trenches and the ability to make vertical and horizontal field changes...

Rock Armouring to Unconventional Breakwaters: The Design Implications for Rock Durability
This paper identifies the need for quantitative durability testing of rock for use on dynamically stable rock armored slopes. The derivation and use of a suite of engineering tests for...

Reshaping Breakwaters on the Stability of Roundheads and Trunk Erosion in Oblique Waves
The stability of a berm type breakwater (sacrificial breakwater) was tested in a 3-dimensional model at The Hydraulics laboratory, Department of Civil Engineering, University of Aalborg....

Berm Type Armor Protection for a Runway Extension at Unalaska, Alaska
A proposed runway extension located on the Aleutian islands was designed to withstand forces of Bering Sea storm generated waves using a unique armor protection concept. The proposed runway...

Unconventional Rubble-Mound Breakwaters?Concerns
A Seminar on Unconventional Rubble-Mound Breakwaters was held in Ottawa, Canada, on the 15th and 16th of September 1987. This paper is an attempt to summarize the general discussion that...

Computing in Civil Engineering
Microcomputers to Supercomputers
This book contains papers presented at the Fifth Conference on Computing in Civil Engineering. Computer applications in specific disciplines are covered. These include construction engineering...

Building Code Requirements for Masonry Structures and Specifications for Masonry Structures
The proposed Building Code Requirements and Specifications for Masonry Structures presented in this book were developed by the Joint American Concrete Institute, American Society of Civil...

Swiss Cheese Box Girders
Now going up in the French Alps, the Sylans and Glacieres viaducts have decks supported by three-dimensional arrays of concrete trusses. The superstructures look like concrete box girders...

Drawing up Waterproof Curtains
Curtain wall damage has recently become the number one source of building owner complaints. Until wall systems are designed with backup water collection systems and other details, leakage...

Considerations in the Design and Installation of Horizontally Drilled Pipeline River Crossings
The authors will present a review of directionally controlled horizontal drilling techniques for pipeline installation by describing the state-of-the-art of the process vis-a-vis subsurface...

Retrospective Look Into Design Challenges of Boston Interceptors
The purpose of this paper is to share with designers and owners a retrospective evaluation of a major sewer system design effort. The process by which a major sewer design project reaches...

Design of Ductile Iron Pipe Systems
To ensure a reliable, low maintenance infrastructure capable of withstanding the test of time, proper initial design is essential. The basis of the design standard for ductile iron pipe...

Design for Variable Frequency Drive Applications
This paper presents fundamental design criteria used to evaluate the operational and economic feasibility of installing a variable frequency drive (VFD) on a petroleum products pipeline....

Water Pipeline Infrastructure; Design Now for Future Ease of Repair
This paper covers the general types of water pipe joints presently in the ground in the United States. It also covers the methods used to repair joints and damaged pipes, pipe cutting,...

 

 

 

 

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