The Excavation
As the largest, most emotionally charged deconstruction effort ever undertaken in the United States comes to a close, the World Trade Center has been reduced to what it was 35 years ago:...
Dissecting the Collapses
The September 11 terrorist attacks on the World Trade Center horrified the civilized world. An estimated 2,830 human lives were extinguished by these attacks. In the aftermath of the events,...
Update of ASCE Manuals and Reports on Engineering Practice No.74 Guidelines for Electrical Transmission Line Structural Loads
For many months there has been doubt that the latest version of ASCE Manuals and Reports on Engineering Practice No. 74. Guidelines for Electrical Transmission Line Structural Loading,...
Raising the Bar - 345kV Uprating
The paper presents solutions to increasing the transfer capacity (book rating) of two critical 345kV tie lines. Described are computer modeling techniques using laser survey data coupled...
Using Tracer Response Curves to Quantify Hydraulic and Channel Complexity of Prairie Creek, Northwestern California: Implications for Over Wintering Habitat for Juvenile Coho Salmon
This study measured and compared aspects of channel structural complexity with hydraulic complexity at a range of flows including winter storm flows. Five 200-meter reaches containing...
A Grand New Bridge
Approximately 65 km south of Seoul, rising above the Asan Bay, the Seohae Grand Bridge now stands as the longest bridge in South Korea. The 9.4 km long cable-stayed bridge, which runs...
Effect of Column-to-Beam Strength Ratio on Seismic Performance of RC Moment Frames
Reinforced concrete (RC) moment frames are often used in building applications. During strong earthquake excitations, such buildings have been subject to soft-story or column sidesway...
The Effect of the Slab on Beam-Column Joint Behavior
The three-dimensional effect of slab interaction on frame behavior has been observed in lateral load tests on beam-column-slab elements....
New Concepts in Structural Strength Assessment for Large Buildings in Fire
This paper presents theoretical descriptions of the key phenomena that govern the behaviour of composite framed structures in fire. These descriptions have been developed in parallel with...
New Developments in the Field of Seismic Isolation
This paper will concentrate onwhat likely, is the most significant of these issues: changes in the mechanical properties ofseismic isolation and energy dissipation hardware as they are...
Fast Forward
Under the aegis of the French government, the Soci�t� Nationale des Chemins de Fer Fran�ais (French National Railway Society), or SNCF, has built two new bridges, each approximately 1,100...
High-Tech Inspection
The Federal Highway Administration's National Bridge Inspection Program requires the states to report the condition of its bridges as determined by visual inspection, and...
Dynamic Response of Lattice Towers and Guyed Masts
Prepared by the Task Committee on the Dynamic Response of Lattice Towers of the Technical Committee on Special Structures and the Technical Administrative Committee on Metals of the Structural...
Wind Load Provisions
This chapter explores the provisions of the Wind Load standard....
Examples
This chapter contains ten examples of determination of wind loads using the analytical procedure of the ASCE 7-98 standard....
The Ethics of Contributions
Whether or not it is ethical for a consulting firm to contribute money to a political campaign or cause depends on the motive. If the purpose is to curry favor with a candidate and gain...
Space Truss
The International Space Station will be more than 310 ft (94 m) long when it is completed sometime in the next decade. The backbone of the structure is a hexagonal truss system that will...
Design of Structure and Damping System to Control Motions of the Park Tower, Chicago
Park Tower, a 67 story condominium/hotel project currently under construction on the Magnificent Mile, Chicago, IL, will be the first building in North America in recent times that utilizes...
Socioeconomic Land Use and Travel Patterns in Amsterdam
The number of inhabitants in Amsterdam is influenced by various developments such as the move to the suburbs, foreign immigration on the growth of prosperity. Important factors for the...
Socioeconomic Characteristics, Land Use and Travel Patterns of the Municipality of Beijing, China
The Beijing authorities have tackled the inherited problems of access and mobility, and have aimed to cater for increased transport demands and higher expectations of level of service...
Return to search