TRB's Airport Cooperative Research Program (ACRP) Report 42: Sustainable Airport Construction Practices explores a set of best practices, methods, procedures, and materials that if implemented during construction may have a sustainable, positive economic, operational, environmental, or social effect. The report includes the collection of sustainable airport construction practices in a searchable, filterable spreadsheet format on a CD-ROM, which is packaged with the report.
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Designing Rainwater Harvesting Systems: Integrating Rainwater into Building Systems
Author: Celeste Allen Novak, Eddie Van Giesen, Kathy M. DeBusk | Size: 12 MB | Format:PDF | Quality:Unspecified | Publisher: Wiley | Year: 2014 | Pages: 312 | ISBN: 9781118410479, 1118410475
Water conservation is one of the most effective sustainable design practices, yet few professionals know how to collect and use rainwater effectively. Rainwater Harvesting the first comprehensive book on designing rainwater harvesting systems. It provides practical guidelines for developing a rainwater harvesting strategy, taking into account climate, public policies, environmental impact, and end uses. Case studies are included throughout. Rainwater Harvesting is a valuable reference for architects, landscape architects, and site engineers.
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Dominik H. Lang, Jochen Schwarz, Polat Gülkan, (2011)
Site-Structure Resonance as a Proxy for Structural Damage.
Earthquake Spectra: November 2011, Vol. 27, No. 4, pp. 1105-1125.
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Recent Developments and Innovative Applications in Computational Mechanics
Author: Dana Mueller-Hoeppe, Stefan Löhnert and Stefanie Reese | Size: 11.4 MB | Format:PDF | Quality:Unspecified | Publisher: Springer | Year: 2010 | pages: 374 | ISBN: 3642174833
This Festschrift is dedicated to Professor Dr.-Ing. habil. Peter Wriggers on the occasion of his 60th birthday. It contains contributions from friends and collaborators as well as current and former PhD students from almost all continents.
As a very diverse group of people, the authors cover a wide range of topics from fundamental research to industrial applications: contact mechanics, finite element technology, micromechanics, multiscale approaches, particle methods, isogeometric analysis, stochastic methods and further research interests. In summary, the volume presents an overview of the international state of the art in computational mechanics, both in academia and industry.
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Target acceleration in multimodal pushover method for R/C frames
Author: Ivan Balić , BSc. CE University of Split :Prof. Ante Mihanović, PhD. CE University of Split:Prof. Boris Trogrlić, PhD. CE University of Split | Size: 1.8 MB | Format:PDF | Quality:Unspecified | Year: 2013 | pages: 14
The procedure of searching the target ground acceleration as a measure of the lowest seismic
resistance is presented in the paper. This objective is achieved by the multimodal pushover
analysis based on the envelope principle. The pushover method founded on the linear combination
of modes (L), and on mode combinations as a square root of the sum of the squares (SRSS), is
presented. Examples of 5-storey and 9-storey R/C frames point to a highly significant influence
of higher modes. The failure ground acceleration in multimodal pushover analysis is significantly
lower, and even several times lower, compared to the single mode acceleration.
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Pushover Analysis of 4 Storey’s Reinforced Concrete Building
Author: Kavita Golghate :Vijay Baradiya: Amit Sharma | Size: 99 KB | Format:PDF | Quality:Unspecified | Publisher: International Journal of Latest Trends in Engineering and Technology (IJLTET) | Year: 2013 | pages: 5
The earthquakes in the Indian subcontinent have led to an increase in the seismic zoning factor over many
parts of the country. Also, ductility has become an issue for all building that was designed and detailed using earlier
versions of the codes. Under such circumstances, seismic qualification of building has become extremely important.
The structural engineering profession has been using the nonlinear static procedure (NSP) or pushover analysis.
Modeling for such analysis requires the determination of the nonlinear properties of each component in the structure,
quantified by strength and deformation capacities, which depend on the modeling assumptions. Pushover analysis is
carried out for either user-defined nonlinear hinge properties or default-hinge properties, available in some
programs based on the FEMA-356 and ATC-40 guidelines. This paper aims to evaluate the zone –IV selected
reinforced concrete building to conduct the non-linear static analysis (Pushover Analysis). The pushover analysis
shows the pushover curves, capacity spectrum, plastic hinges and performance level of the building. The non-linear
static analysis gives better understanding and more accurate seismic performance of buildings of the damage or
failure element.
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The aim of this research is to investigate effect of hysteresis loops in static nonlinear analysis.
One of the inefficiencies of static nonlinear analysis is that nonlinear behavior of structural elements due to
cyclic deformations is approximately considered in the analysis, and only one quarter of a full hysteretic loop
is considered. For investigating the effect of this inefficiency in analysis results, three intermediate concrete
moment frames are selected. These models are selected from regular RC structures. The notified procedures in
FEMA-356 and proposed plastic hinges in this guideline are utilized for performing static nonlinear analysis.
A coefficient for consideration of stiffness degradation and strength deterioration is proposed by FEMA-356 in
nonlinear static analysis. This coefficient for intermediate RC moment frames is equal to unity. For calculation
of this coefficient, in this paper, the nonlinear dynamic analysis is used. Clough and Takeda Hysteretic loops
and a hysteretic loop that considers effects of severe stiffness degradation, strength deterioration and pinching
are assumed in nonlinear dynamic analysis. By comparison of results the value of this coefficient is obtained
25% more than the value proposed by FEMA-356.
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This paper presents a simple method to calculate pushover curves for
asymmetric structure with displacement-dependent passive energy dissipation devices
(DDPEDDs). The method analyzes the deformation of a symmetric structure in
translation and in torsion. These results are then combined in order to calculate the
pushover curve for an asymmetric structure with DDPEDDs. The numerical results
obtained by using the simple analysis method are then compared to the results obtained
from the analysis of the models using the software SAP2000. The results show that the
simple analysis method can be an effective tool for engineering analysis.
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P ERFORMANCE OF PUSHOVER PROCEDURE IN EVALUATING THE SEISMIC ADEQUACY OF REINFORCED CONCRETE FRAMES
Author: A. Shuraim , A. Charif | Size: 245 KB | Format:PDF | Quality:Unspecified | pages: 14
The nonlinear static analytical procedure (Pushover) as introduced by ATC-40 was applied for
the evaluation of existing design of a reinforced concrete frame, in order to examine the
applicability of the pushover for evaluating design of new buildings. Potential structural
deficiencies in the frame were assessed by the code seismic-resistant design and pushover
approaches, for the sake of comparison. In the first approach, the potential deficiencies were
determined by redesigning under one selected seismic combination in order to show which
members would require additional reinforcement. In the second approach, a pushover analysis
was conducted to assess the seismic performance of the frame and detect the locations of the
plastic hinges. The paper shows that vulnerability locations revealed from the two procedures
are significantly different, where the latter procedure tends to overestimate column strength,
consequently, concealing earlier detection of column weaknesses. The paper provides rational
explanations for the apparent discrepancy that can be taken into consideration in order to make
pushover methodology applicable when designing or evaluating existing design of new
buildings.
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