Earthquake Response Simulation Capacity of Pseudo Dynamic Testing?Experimntal Demonstration and Analytic Evaluation
The response accuracy of the pseudo dynamic test was evaluated from the shake table and pseudo dynamic tests conducted for a two story steel braced frame model. The obtained responses...
Full Scale Tests of Cladding Components
A full scale, six story, steel frame at the Building Research Institute, Tsukuba, Japan was constructed for a series of projects in the U. S. -Japan Cooperative Research Program. This...
System Identification Applied to Pseudo-Dynamic Test Data: A Treatment of Experimental Errors
A single-input single-output system identification technique, used to estimate the modal properties of a full-scale six-story steel structure tested within its elastic range by the pseudo-dynamic...
Comparative Seismic Response of Damped Braced Frames
The behaviours of braced steel building frames with friction joints and with eccentric bracing, under seismic forces, are compared. Nonlinear time history dynamic analysis is used. Friction...
Interaction Effects in Vertically Excited Steel Tanks
Following a brief review of the hydrodynamic effects induced by a vertical component of ground shaking in liquid-filled, circular, cylindrical, steel tanks that are rigidly supported at...
The Atlantic Palace: Part I Structural System Selection Based on Wind Tunnel Testing
The location of the structure in a coastal area susceptible to high winds, the irregular shape and height of the building and the desire for more accurate wind loading and acceleration...
It's Only Visual Inspection (Welding Inspection)
Unless specified otherwise in the Contract Documents, Visual Inspection will be performed on all fabrication/erection welding for projects that utilize the Specifications for the Design,...
The Public/Private Condo
A 20-story office building in Chicago was built on publicly owned land under a condominium arrangement that allowed a developer full ownership of air rights over and above the 100,000...
The Parking Problem
Corrosion of parking garage decks has become a multi-billion dollar problem, caused primarily by deicing salts that seep into the concrete and attack reinforcing steel. Design and construction...
Computer Cuts Tower Steel
Two computer programs developed by Lev Zetlin Assoc., New York City, revealed that some of the steel in what will be Philadelphia's tallest building, One Liberty Place, was...
Innovations in the Design of Electrical Transmission Structures
New concepts are being advanced for the design of electrical transmission structures. The papers in this book cover the following: weather-element loading conditions, structural options,...
Port Expansion of Eastport, Maine
A recent pier expansion now allows Eastport to provide 40 feet of water at low tide. The pier expansion consists of a concrete-decked steel pipe pile-supported extension to an existing...
Prestressed Concrete Piling?Design vs. As-Built
The proper design, manufacture, handling and installation of prestressed concrete piles is essential to their structural integrity and long life. A quality control program must be designed...
Innovative Repairs to Steel Sheet Pile Structures
Several unique and many unusual repair techniques have been used to structurally rebuild steel sheet pile walls. An example of a unique repair to a cellular cofferdam utilizing a suspended...
Rehabilitation of Wharf No. 8?Port of Houston
A routine inspection of wharves at the Turning Basin Terminal, uncovered evidence of extensive damage, including evidence that the 30-inch diameter steel pipe piles supporting Wharf No....
Geotechnical Considerations in the Design of the Wando Terminal Wharf Extension, Charleston, South Carolina
The South Carolina State Ports Authority (SPA) is currently examining construction concepts for the proposed 1,200-foot wharf extension and 40 acres of adjacent upland development at the...
Port of Kismayo (Somalia) Rehabilitation
Extensive deterioration of the 2070 ft long four-berth, marginal wharf at the Port of Kismayo necessitated a major rehabilitation to maintain operations. The selected scheme was a steel...
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...
Cable Stays Catch On
The three completed cable stayed bridges in the U.S.�Pasco-Kennewick in Washington, Luling-Destrehan in Louisiana and East Huntington in West Virginia�will soon be joined by another half...
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...
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