Salvaging the Zilwaukee
In 1982, construction of the Zilwaukee Bridge in Michigan was disrupted when the launching truss failed to hold a precast concrete segment near Pier 11N, severely deflecting the cantilever...
The Mile High Dream
For the 1986 Tall Buildings Conference in Chicago, a group of experts studied the implications of a mile high skyscraper to be built of concrete. It is 500 ft square at the base, designed...
Asphalt Pavement Modifiers
Modifiers or additives to asphalt concrete pavements are being researched or marketed by many major chemical firms. Modifiers or additives are used to stiffen the asphalt in hot weather...
Expert Systems Enter the Marketplace
Civil engineering expert systems (computer programs that incorporate some of the decision-making capabilities of the top experts in a given subdiscipline) are beginning to come on the...
Taming Lively Buildings
Mechanical damping systems are increasingly being used for controlling dynamic responses of tall buildings. Several types of dampers are described, and compared, beginning with the three...
Tunnel Ceiling Replaced over traffic
The ceiling of the Holland Tunnel under the Hudson River, connecting New Jersey and Manhattan, was 59 years old and needed replacement, a big job because there are 3 miles of ceiling in...
Sulfide Corrosion and Control in the City of Modesto Primary Effluent Outfall (
The City of Modesto has a 60 inch diameter, 6- one-half mile long reinforced concrete pipeline conveying primary effluent from the primary treatment plant to the remote oxidation pond...
Effect of Baghdad City Sewage Treatment Effluents on Dissolved Oxygen Profiles of an Iraqi River
The paper presents measured dissolved oxygen (DO) profiles in an Iraqi river in the vicinity of Baghdad City. The effect of the effluent discharges from Baghdad Sewage Treatment Plant...
Response of the Citanduy River to Developments
The sinuous alluvial reach of the Citanduy River in Java, Indonesia has been surprisingly stable in spite of man-made cutoffs which have reduced the channel length from 98. 7 km to 78....
Implications of Nitrogen Transport by the Okanagan River
The long-term mean of total nitrogen load estimated in the river channel above the inlet to Skaha Lake is 906 lb day** minus **1. The apportionment of ammonia and nitrate plus nitrite...
Long Reinforced Concrete Columns
Papers selected by the Reinforced Concrete Research Council of ASCE. This collection contains 13 papers reporting the results of a series of studies,...
Construction of Roller-Compacted Concrete Pavement
Roller-compacted concrete pavement (RCCP) is the product of a relatively new concrete paving technology in which a zero-slump portland cement concrete mixture is spread with modified asphalt...
Equipment Requirements for Concrete Recycling
Concrete recycling projects have been completed in a number of states. As the transportation infrastructure ages, concrete recycling will become a common construction operation. Concrete...
Evaluation of the Seismic Performance of Buildings
The aim of the paper is to present the different existing methodologies available for the assessment of seismic damage to buildings. The approach aims towards the development of a mini-computer...
Supply Side Engineering
In New Jersey, the Hackensack Water Co., a private utility, and the North Jersey District Water Supply Commission, a state agency, are jointly completing Wanaque South, a $151 million...
Study of the Collapse of a Reinforced Concrete Model Structure Under Simulated Earthquake Motion
The collapse, under simulated earthquake motion, of a multistory r/c frame structure with columns flexurally weaker than beams (SBWC) is studied. A small-scale model, comprising parallel...
Factory Chic
Developers of the International Design Center of New York have recently spent $163 million to convert an unused chewing gum factory and a former battery plant into a showcase for New York...
RCC: A Dam Rehab Solution Unearthed
Roller compacted concrete (RCC) is fast becoming a popular material for the rehabilitation of existing dams. Several dams have already been rehabilitated using RCC, and several more RCC...
Computer Assisted Pavement
In Rancho Palos Verdes, Calif. a 4,300 ft. long test installation of the Contained Rock Asphalt Mat (CRAM) Pavement System is expected to have a 50 year life. It cost a third less than...
Structural Applications of SIFCON
SIFCON (Slurry Infiltrated Fiber CONcrete) is a relatively new composite material utilizing steel fibers in a cement-based matrix. It differs from conventional steel-fiber-reinforced concrete...
Return to search