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Displaying 251 - 275 of 3836

Assessment of the Structural Fire Performance of Buildings

February 19, 2017
Author(s)
Richard W. Bukowski
The fire-induced collapse of the World Trade Center (WTC) buildings 1, 2, and 7 on 11 September 2001 demonstrated the need for engineering methods to predict the structural fire performance of buildings when subjected to arbitrary design fires and to

Benefits and Costs of Research: A Case Study of Fire Dynamics Simulation

February 19, 2017
Author(s)
Barbara C. Lippiatt
The Fire Dynamics Simulation (FDS) research program at the National Institute of Standards and Technology (NIST) has produced software that simulates fire spread and the response of a given sprinkler system. At the request of warehouse property owners, the

BFRL Publications, 2001. Volume 1 and Volume 2

February 19, 2017
Author(s)
Star R. Burgess, Kathleen C. Whisner, Glenn P. Forney, Paul A. Reneke
Welcome to BFRL Publications, 2001. These two CD-ROMs contain publications produced by BFRL staff, publications resulting from contracts or grants with BFRL and publications contained in proceedings from BFRL sponsored conferences or workshops. The Volume

Calculations of the Energy of Mixing Carbon Nanotubes With Polymers

February 19, 2017
Author(s)
Marc R. Nyden, Stanislav Stoliarov
A method for estimating the free energy of mixing CNTs with polymers is presented. The formation of the nanocomposite is analyzed in terms of a simple path in which the nanotubes are exfoliated from a bundle and dispersed in a distorted polymer with

CFD-Based Modeling of Combustion and Suppression in Compartment Fires

February 19, 2017
Author(s)
Arnaud Trouve, Andre Marshall
This chapter is aimed at illustrating contemporary Computational Fluid Dynamics (CFD) capabilities for compartment fire applications. We choose to use the Fire Dynamics Simulator (FDS) for illustration purposes. FDS is developed by the National Institute

Chapter 48: Robotics in Construction

February 19, 2017
Author(s)
Kamel S. Saidi, Jonathan O'Brien, Alan M. Lytle
This chapter introduces the various construction automation concepts that have been developed over the past few decades and presents examples of construction robots that are in current use (as of 2006) and/or in various stages of research and development.

Continuous Monitoring of Particles in an Occupied Home for the Year 2000

February 19, 2017
Author(s)
L A. Wallace, Cynthia H. Reed
Continuous monitors were employed for one year in an occupied townhouse to measure ultrafine, fine and coarse particles, air change rates, wind speed and direction, temperature and relative humidity. A main objective was to document long-term variation in

Delamination of Organo-Modified Layered Double Hydroxides in Polyamide 6 by Melt Processing

February 19, 2017
Author(s)
Mauro Zammarano, S Bellayer, Jeffrey W. Gilman, Massimiliano Franceschi, Frederick Beyer, Richard H. Harris Jr., Meriani Sergio
Layered double hydroxide/polyamide 6 nanocomposites (LDH/PA6) were prepared from organo-modified LDH by melt processing. The anionic exchange capacity of LDH was varied in order to investigate its influence on the degree of exfoliation. LDH were dispersed

Development of a Real-Time Control System Architecture for Automated Steel Construction

February 19, 2017
Author(s)
Kamel S. Saidi, Robert W. Bunch, Alan M. Lytle, Frederick M. Proctor
The National Institute of Standards and Technology (NIST) is developing a real-time control system for a robotic crane (the NIST RoboCrane) that will perform automated structural steel pick-and-place operations. The control system architecture is based on

Development of Database-Assisted Design for Wind Loads: Current and Future Research

February 19, 2017
Author(s)
Emil Simiu, Fahim H. Sadek, S M. Diniz, Michael A. Riley, S Jang, L W. Lu
Following Irminger s 1894 aerodynamic tests, Flachsbart s pioneering boundary-layer wind tunnel experiments in 1932, and University of Western Ontario (UWO) 1970 s tests, considerable progress has been achieved in low-rise building design for wind. Owing
Displaying 251 - 275 of 3836