Posted by: ir_71 - 06-01-2014, 07:58 AM - Forum: Concrete
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Concreting and High Performance Concrete in Hot Weather
Author: Editors: M. M. El-Hawary, N. Al-Mutairi, K. N. Rahal | Size: 76.29 MB | Format:PDF | Quality:Unspecified | Publisher: American Concrete Institute Kuwait Chapter (ACI-KC) | Year: 2003 | pages: 246
Proceedings of the ACI-KC First International Conference & Fourth Exhibition, September 29 - October 1, 2003, Kuwait - Concreting and High Performance Concrete in Hot Weather
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Posted by: pezhmankhan - 05-31-2014, 08:33 AM - Forum: Archive
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Article/eBook Full Name: Seismic Design of Bridges. Design Example No. 4: Three-Span Continuous CIP Concrete Bridge
Author(s): R. Mast L. Marsh C. Spry S. Johnson R. Griebenow J. Guarre W. Wilson
Publish Date: 1996
Published By: NTIS
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Posted by: ir_71 - 05-31-2014, 08:21 AM - Forum: Concrete
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Design and Sustainability of Structural Concrete in the Middle East with Emphasis on High-Rise Buildings
Author: Edited by: M. M. El-Hawary, N. Al-Mutairi, K. N. Rahal and H. Kamal | Size: 8.78 MB | Format:PDF | Quality:Original preprint | Publisher: American Concrete Institute Kuwait Chapter (ACI-KC) | Year: 2007 | pages: 393
Concrete in the Middle East with Emphasis on High-Rise Buildings took place on March 12- 14, 2007 in Kuwait. The topics covered by the conference include:
• Sustainable Building Materials
• Recycling of Building Materials
• Management and Utilization of Natural Resources
• Design Aspects of Sustainability
• Codes Related to Design and Sustainability
• Maintenance and Repair of Structures
• Durability and Long-lasting Structures and High-Rise Buildings
• Sustainability and Durability of Concrete
• Sustainability and High-Rise Buildings
• Sustainability in Hot Weather
A total of thirty two technical papers from thirteen different countries were accepted for
presentation at the conference and are included in the proceedings.
ACI-KC hopes that this document adds to the technical knowledge
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Los Angeles Tall Buildings Structural Design Council (LATBSDC)
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LATBSDC 2013 Conference
Advances in Structural Design for Seismic Regions
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An Alternative Procedure For Seismic Evaluation and Strengthening of Tall Reinforced Concrete Buildings Located in the Los Angeles Region by N. Delli Quadri
Efficient Performance Based Design Using Parallel and Cloud Computing by C.E. Ventura and A. Bebamzadeh
NGA-West2 Research Program by Yousef Bozorgnia
City of Los Angeles Peer Review Process by Colin Kumabe
Seismic Performance of Shear Wall Buildings with Gravity-Induced Lateral Demands by Michael Dupuis, Tyler Best, Ken Elwood, and Don Anderson
Issues with the Peer Review Process by Farzad Naeim
Design of a 35 Story Building In Los Angeles Using the LADBS Performance Based Design Methodology
Large-Scale Testing of Steel Reinforced Concrete (SRC) Coupling Beams by Christopher J. Motter, John W. Wallace, Ron Klemencic, John Hooper, and Dave Fields
Structural Mitigation for Seismically Induced Permanent Ground Displacement by Craig D. Comartin
Nonlinear Response-History Analysis for the Design of New Buildings - A Proposed Updated to ASCE7 Chapter 16 by Curt B. Haselton
Seismic Design of Reinforced Concrete Mat Foundations by Ron Klemencic
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Posted by: ykhackhack - 05-31-2014, 01:44 AM - Forum: Drawings
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Residential Pool with Helical Piles
Size: 246 KB
DWG format reusable details
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Nonlinear Dynamic Analysis of Reinforced Concrete Building Structures
Author: SHUNSUKE OTANI | Size: 1.2 MB | Format:PDF | Quality:Unspecified | Publisher: Department of Civil Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4 Received January 10，1979 Revised manuscript accepted March 31980 | Year: 1979 | pages: 19
This state-of-the-art paper discusses nonlinear dynamic analysis of reinforced concrete building structures. Nonlinear analysis of a reinforced concrete building is difficult (a) because inelastic deformation is not confined at critical sections, but spreads throughout the structure; and (b) because stiffness of the reinforced concrete is dependent on a strain history. The paper reviews the behaviour of reinforced concrete members and their subassemblies observed during laboratory tests. Then different hysteresis and analytical models of reinforced concrete members are reviewed, and their application to the simulation of building model behaviour is discussed.
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Shear-wall dominant multistorey reinforced concrete structures, constructed by using a special tunnel
form technique are commonly built in countries facing a substantial seismic risk, such as Chile, Japan,
Italy and Turkey. In spite of their high resistance to earthquake excitations, current seismic code provisions
including the Uniform Building Code (International Conference of Building Ocials, Whittier,
CA, 1997) and the Turkish Seismic Code (Specication for Structures to be Built in Disaster Areas,
Ankara, Turkey, 1998) present limited information for their design criteria. In this study, consistency
of equations in those seismic codes related to their dynamic properties are investigated and it is observed
that the given empirical equations for prediction of fundamental periods of this specic type of
structures yield inaccurate results. For that reason, a total of 80 dierent building congurations were
analysed by using three-dimensional nite-element modelling and a set of new empirical equations was
proposed. The results of the analyses demonstrate that given formulas including new parameters provide
accurate predictions for the broad range of dierent architectural congurations, roof heights and
shear-wall distributions, and may be used as an ecient tool for the implicit design of these structures.
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Author: BABAK RAJAEE RAD | Size: 4.5 MB | Format:PDF | Quality:Unspecified | Publisher: THE UNIVERSITY OF BRITISH COLUMBIA | Year: 2009 | pages: 268
Concrete shear walls are used as the seismic force resisting system in many high-rise buildings in Western Canada. During earthquake, the response of a high-rise concrete wall as it undergoes severe cracking of concrete and yielding of reinforcement is very complex. In particular, the nonlinear shear behaviour of concrete shear walls is not well known; therefore available analysis programs generally use very primitive models for nonlinear shear behaviour. Gérin and Adebar (2004) quantified the observed experimental results on reinforced concrete membrane elements and presented a simple
nonlinear shear model that included the influence of concrete diagonal cracking, yielding, of horizontal reinforcement and ultimate shear capacity. There are a number of important issues in the design of high-rise concrete shear walls where shear deformations play a very important role and hence nonlinear shear behaviour will have a significant influence. In this dissertation, three different seismic design issues where nonlinear shear response plays a significant role are investigated.
The first issue which is of considerable concern to designers is the large reverse shear force in high-rise concrete walls due to rigid diaphragms below the flexural plastic hinge. The nonlinear analyses that were carried out in this study show that diagonal cracking and yielding of horizontal reinforcement significantly reduce the magnitude of reverse shear force compared to what is predicted by using linear analysis procedures. A second issue where nonlinear shear behaviour has a significant influence is associated with the shear force distribution between inter-connected high-rise walls of different lengths. The results presented in this work, show that when diagonal cracking is included in the analysis, significant redistribution of shear forces takes place between walls and all walls do not necessarily yield at the same displacement.
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DYNAMIC RESPONSE OF HIGH RISE STRUCTURES UNDER THE INFLUENCE OF DISCRETE STAGGERED SHEAR WALLS
Author: Dr. B. KAMESHWARI * Professor and Head, Department of Civil Engineering, R.V.S. College of Engineering and Technology, Dindigul. Dr. G. ELANGOVAN Associate Professor, Controller of Examinations, Anna University of Technology Madurai, Madurai P. SIVABALA, Assistant Professor, Department of Civil Engineering, Sree Buddha College of Engineering, Pattoor, Kerala G.VAISAKH Assistant Professor, Department of Civil Engineering, Sree Buddha College of Engineering, Pattoor, Kerala | Size: 316 MB | Format:PDF | Quality:Unspecified | Publisher: International Journal of Engineering Science and Technology (IJEST) ISSN : 0975-5462 Vol. 3 No.10 October 2011 7789 | Year: 2011 | pages: 10 | ISBN: 0975-5462
Abstract- It is well-established fact that shear walls are quite effective in lateral load resistance of low-rise to
medium-rise reinforced concrete buildings. Restriction in the architectural design by the presence of the shear
walls may contribute to discourage the engineers from adopting the shear walls. Due to this a new concept of
providing storey deep and bay wide discrete staggered shear wall panels have been introduced.
In this study, the effect of various configurations of shear walls on high-rise structure is analysed. The drift
and inter-storey drift of the structure in the following configurations of shear wall panels is studied and is
compared with that of bare frame: (1) Conventional shear walls. (2) Alternate arrangement of shear walls. (3)
Diagonal arrangement of shear walls. (4) Zigzag arrangement of shear walls. (5) Influence of lift core walls.
Of the configurations studied, the zigzag shear wall configuration is found to be better than the other systems
studied in controlling the response to earthquake loading. The diagonal configuration is found to be having
significant role in controlling the response of structures to earthquake.
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Dynamic Analysis of Reinforced Concrete Building with Plan Irregularities
Author: Mohammed yousuf , P.M. shimpale | Size: 867 KB | Format:PDF | Quality:Unspecified | Publisher: International Journal of Emerging Technology and Advanced Engineering Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 3, Issue 9, September 2013) | Year: 2013 | pages: 07
Abstract— The main objective of earthquake engineering is
to design and build a structure in such a way that the damage
to the structure and its structural component during an
earthquake is minimized. This paper aims towards the
dynamic analysis of reinforced concrete building with plan
irregularity. Four models of G+5 building with one symmetric
plan and remaining irregular plan have been taken for the
investigation. The analysis of R.C.C. building is carried out
with the FE based software ETABS 9.5. Estimation of
response such as; lateral forces, base shear, storey drift, storey
shear is carried out. Four cross sectional variation in columns
section are considered for studying effectiveness in resisting
lateral forces. The paper also deals with the effect of the
variation of the building plan on the structural response
building. Dynamic responses under prominent earthquake,
related to IS 1893–2002(part1) have been carried out. In
dynamic analysis; Response Spectrum method is used. The
CQC (complete quadratic combination) method has also been
employed for each model for estimation of dynamic response
for 5%, 10%, 15%, and 20% damping and dynamic responses
were compared.
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