Sewers: Repairing Beats Replacing
Rehabilitating decaying sewers can be up to 70% less costly than replacing them. Yet most sewerage agencies wait until a pipe collapses before taking action, necessitating expensive emergency...
Thaw Settlement Analysis for Buried Pipelines in Permafrost
This paper focuses on determination of allowable thaw settlement for the design of cross country pipelines in permafrost areas. The purpose of the thaw settlement evaluation is to aid...
Existing Sewer Evaluation and Rehabilitation
Guidlines for the evaluation and rehabilitation of sanitary sewers are presented. The purpose and scope of sanitary sewer rehabilitation is described. The major emphasis is on filtration...
Pipelines in Adverse Environments II
State of the art and future trends in pipeline design, construction and maintenance are reviewed. Specific areas addressed include adverse terrain conditions, river crossings-particularly...
World's Largest Installation of Fabric-Formed Pile Jackets
One major feature of fabric forming is permeability. One application of this technique is protective encasement of steel H and pipe piles at a major pier in Chile. The Huachipato Pier...
Sanitary Sewer Design
Good sanitary sewer design practice requires evaluation of alternative locations, slopes and pipe sizes. However, cost considerations generally keep alternative evaluations to a minimum....
What Type of Sewer Pipe is Best? Life-cycle Cost Analysis Yields Answer
In the past, many engineers have selected the type of sewer pipe for a particular project based mainly on a comparison of initial costs of concrete, steel, and other types of pipes. This...
Shanghai Tunnel Projects Spur Construction Innovations
Since underground construction in soft ground is newly developed in Shanghai, there is little experience there as compared to what is known for specific sites in other countires. Well...
Underground Plastic Pipe
Thirty-nine of the papers presented at the 1981 International Conference on Underground Plastic Pipe are included. The types of pipes examined include: thermoplastics, thermosetting plastic...
Joint Usage of Utility and Transportation Corridors
The problems and experiences of engineers working on transportation corridors are explored through 12 papers presented at a conference of the ASCE Pipeline Division. Corridors involve...
Vacuum Sewers�� the Future for Sewage Collection�
Patented in the 19th Century, vacuum sewers are making a comeback. Vacuum is created and maintained at a central collection station and extended, through a network of collecting pipes,...
List of Sources and Reference Material on Pipeline Design
Sources of information and reference material on pipeline design are listed. The bibliography is compiled for engineers with limited experience in the pipeline field, and the references...
Symposium on Deep Foundations
Twenty-six case histories on the design, installation and performance of deep foundations are included. The emphasis is on testing and field data. Deep foundations are explored in cretaceous...
New Approach to Storm Drainage Pipe Design
Using a recently developed computer program, drainage swales can be designed to provide short-term storage of stormwater. Benefits of this approach to stormwater management include reduced...
World's Tallest Offshore Platform Stands in 1025 Ft of Water
During the summer and fall of 1977 and 1978, Shell Oil installed the world's deepest drilling and production platform in water. Located in 1025-ft of water at the Cognac tract...
Jacked Pipe Provides Roof for Underground Construction in Busy Urban Area
Construction of a major underground station for the metro in Antwerp, Belgium was done in a busy downtown area employing a method that virtually eliminated ground subsidence. The method...
Intermediate Service Levels in Water Distribution
This paper is concerned with design standards for secondary water distribution networks. Based on field studies in the Middle East and Africa, mathematical equations were developed for...
What Contractors Think About Prefabricated Piping
Among 190 of the largest users of pipe, 77% now use large-scale prefabricated piping. These users report an average saving, using prefabricated pipe versus conventional pipe, of 23%. Before...
Citizen Participation for Successful Village Water Supply
In developing nations, two keys to the success of village water supply projects are citizen planning and the use of the appropriate technology. The two are related. Involvement of citizens...
Reservoir Outlet Extended Above Silt to Prevent Clogging
Accumulation of silt in an on-stream water storage reservoir almost completely buried the concrete tower originally provided as an outlet intake shaft for releasing stored water through...
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