Dynamic Consolidation - Dramatic Way to Strengthen Soil
The dynamic consolidation technique consists basically of dropping a heavy pounder of up to 4 x 104 kg from a height varying between 50 to 148 ft....
Luxury Hotel Features New York's First 8,000-psi Concrete
Designers of New York's $100-million Helmsley Palace Hotel realized significant economies by the use of high-strength concrete to replace structural steel and reduce column...
Sand to Sandstone: Foundation Strengthening with Chemical Grout
A large school in San Francisco, built in 1930, was in need of structural rehabilitation to eliminate earthquake hazards. Founded on loose, windblown fine sand, the footings were subject...
Ontario Writes New Bridge Code
In 1976, Ontario's Ministry of Transportation and Communications decided to write its own bridge design code, breaking away from the AASHTO code, because: (1)It wanted a metric...
Testing Concrete in Place
Although modern concrete construction has developed during the past 60 years, one aspect has remained essentially unchanged�the use of molded cylinders tested in compression to estimate...
Redesigning the Auto: A Key to Solving the U.S. Energy
The automobile is a tremendous consumer of energy. The entire transport sector uses 26% of the energy used in the U.S.�� and half the oil. In fact, the American auto alone consumes one-ninth...
Repair and Strengthening of Old Steel Truss Bridges
During the early 1900's, numerous pin jointed steel bridge trusses were constructed throughout the United States. In the intervening years, these trusses were replaced by...
Prefab Structural Components Solve Expansion Problem
Another story was added onto an existing low-rise building, where soil strength was so low that the new floor had to be built by sinking new columns down to a sounder stratum, placing...
Pitfalls of Overconservatism in Geotechnical Engineering
The article cites at least three reasons why geotechnical engineers may be overconservative: (1) They may try to satisfy unreasonable standards established by themselves or others; (2)...
Polymerization of Concrete Fights Cavitation
The techniques and materials used for the repair of concrete are many and varied. The repair at Dworshak Dam utilized epoxy resins, dry pack mortar, fibrous concrete and a new technique,...
Vibroreplacement and Reinforced Earth Unite to Strengthen a Weak Foundation
Two relatively new engineering concepts in the U.S. were successfully used to solve a difficult soils problem. A highway skirting Idaho's Lake Pend Oreille was built on a...
Philadelphia Bridge Sparked Growth of Prestressed Concrete in the U.S.
Prestressing has been used for centuries. For instance, iron bands were heat-shrunk over built-up wooden wheels to increase their resistance to damage. In 1888, a man named Jackson from...
Concrete Canoe Racing Stimulates Interest in ASCE Student Chapter
Concrete Canoe construction and racing have become a very popular ASCE Student Chapter activity. Such a program can publicize a chapter's activities in general and can serve...
World's Third Longest Cantilever Bridge
This report includes the planning, design and construction procedure of the world's third longest double deck, cantilever bridge, Osaka Port Bridge, which was completed in...
Preview�1976 Offshore Technology Conference
In this Eighth Offshore Technology, the 300 papers and 1,300 exhibitors will be related to such topics as semi-submersible drill rigs, pollution avoidance devices, equipment protection,...
TWA Hangars of Thin Shell Design
TWA hangars at the Kansas City International Airport match the shape of the giant jets. The design molds hyperbolic paraboloid concrete shells into an efficient shop area. Since the design...
9000 psi Concrete�� Why? Why not�
High strength concrete is being used in many high-rise apartment and office buildings. In this case, high strength means 9000 psi (62.0 MPa). Quality control, aggregate availability and...
Safety and Reliability of Metal Structures
Proceedings of the Specialty Conference on Safety and Reliability of Metal Structures, held in Pittsburgh, Pennsylvania, November 2-3, 1972. Sponsored by the American Society of Civil...
Stability of Rock Slopes
Proceedings of the Thirteenth Symposium on Rock Mechanics held at the University of Illinois, Urbana, Illinois, August 30 September 1, 1971. Sponsored by the U.S. National Committee for...
Research Conference on Shear Strength of Cohesive Soils
Proceedings of the Research Conference on Shear Strength of Cohesive Soils, held at the University of Colorado, Boulder, Colorado, June, 1960. Sponsored by the Soil Mechanics and Foundations...
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