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State of the Art
The structural engineering of San Francisco's new Museum of Modern Art offered many challenges to the engineer. The complexity of the building is both visually exciting and...

Deep and High in Hawaii
The First Hawaiian Center, headquarters of the First Hawaiian Bank, will be the tallest building in Hawaii when it is completed in 1996. The unusual design, by architects Cohn Pedersen...

Berlin's Big Dig
As the first of many major development projects for the new Berlin, the DM 1.5 billion FriedrichstadtPassengen project is the largest private construction investment in Berlin's...

Sounding Out Scour
As engineers are aware, detection of bridge scour is the best protection. A method for monitoring scour during low, normal or high water flows would also help alleviate some of the ambiguity...

A Texas-Sized SSO Solution
Houston is under the gun to control chronic overflows in its sanitary-sewer-collection system--a wet-weather problem that has plagued the city for years. For a problem this massive, the...

Continuous Excellence
Building Effective Organizations
This handbook for managers and leaders pulls together, in one resource, all that is important to know about effectively utilizing and managing change in service organizations. For leaders...

Journal of Architectural Engineering
The Journal of Architectural Engineering provides a multidisciplinary forum for dissemination of research-based engineering and technical information related to all aspects of building engineering design...

Reliability and Response Control of R/C Buildings
A damage model is summarized for the assessment of seismic damage of reinforced concrete structures. The model is to evaluate specific buildings that were damaged in Mexico City during...

I.P.L. Space Trusses: Structural Performance and Analysis
The utilization of the fast working massively parallel computers in solving intense numerical problems, in the field of structural engineering left disappointed many of practical engineers....

Study of Interaction Between Pneumatic Spherical and Cylindrical Form Shells Subjected to Wind Pressure
In the design of pneumatic membrane structures, analysis of stress and deformations of structures subjected to wind is among the most important requirements. For the purpose of studying...

Checking Concrete Growth
When the Tennessee Valley Authority built its dams in the 1930s, instrumentation installed in the massive concrete detected a defect that would later cause major problems: concrete growth...

Depressing Traffic Top-Down
Top down construction will permit the City and County of Denver to maintain traffic at two congested intersections while a tunnel is driven below them. The project, which will carry Speer...

Real-time Motion Vision for Robot Control in Unstructured Environments
The control of robots in unstructured environments demands real-time, general purpose vision. We have designed a visual tracking system which makes use of motion to pick out and track...

Autonomous Navigation for Structured Exterior Environments
The Telemanaged Mobile Security Station (TMSS) was developed at Sandia National Laboratories to investigate the role of mobile robotics in exterior perimeter security systems. A major...

Developing Plans for Robotic Excavators
We would like a robot excavator that is able to excavate a volume of soil according to specification. To this end we have developed a general method that can be used to provide prescriptions...

Intelligent Excavator Control for a Lunar Mining System
The benefits of utilizing local planetary resources are a large reduction in the cost of lifting materials from the earth's surface into earth orbit. Since the moon is one of the closest...

Conceptual Design and Characteristics of A Dual-Arm Cam-Lock Manipulator
Recent developments in the area of smart structures indicate that variable geometry/stiffness truss network is of fundamental importance in designing smart transformable structures and...

Generalized Object Control and Assembly for Space Robots
This paper presents a Generalized Object Control framework which subsumes Unified Motion/Force Control and Object Impedance Control. Under this framework new forms of assembly primitives...

Drivetrain Design, Incorporating Redundancy, for an Autonomous Walking Robot
An often overlooked, though critical, component of a mobile robot is the drivetrain. To achieve the ambitious programmatic goals of an extra-terrestrial, planetary robotic explorer, a...

An Intelligent Robotic Vehicle for Lunar/Martian Applications
This paper describes the research effort being undertaken at UA/NASA Space Engineering Research Center (SERC) towards a general-purpose intelligent robotic vehicle system (IRVS) for Lunar...

 

 

 

 

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