Structural dynamics of slender ductile reinforced concrete shear walls
Author: H.Q.Luu, I.Ghorbanirenani, P.Léger, R.Tremblay | Size: 907 KB | Format:PDF | Quality:Unspecified | Publisher: Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 Leuven, Belgium, 4-6 July 2011 G. De Roeck, G. Degrande, G. Lombaert, G. M¨ uller (eds.) ISBN 978-90-760-1931-4 | Year: 2011 | pages: 8
ABSTRACT: Shake table experiments considering two 9m high wall models with scale factor of 0.43 representative of an 8-storey slender reinforced concrete (RC) shear wall (20.97m in height) were conducted at École Polytechnique de Montréal in 2009. The walls were subjected to typical Eastern North America ground motions rich in high frequency (near 10 Hz). Inelastic behaviour was observed at the base and in the sixth storey. Based on the test data, transient inelastic dynamic analyses are conducted considering the specimens tested on a shake table and an actual wall from a 10-storey building. Nonlinear beam element with fiber element discretization of the cross-section using OpenSees platform is employed. The effects of the damping model selected to represent the seismic response of slender RC shear wall structures are explored. The higher modes effects inducing the formation of second plastic hinge in the upper part of the walls are investigated. Base shear magnification factors prescribed in Canadian and European Codes are also evaluated for their adequacy.
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Dear All
is it possible to give me a link for this congress paper from ASCE library.
thank you all
Performance-Based Engineering of Core Wall Tall Buildings
Sarkisian, M., Long, E., and Hassan, W. (2013) Performance-Based Engineering of Core Wall Tall Buildings. Structures Congress 2013: pp. 1094-1108.
doi: 10.1061/9780784412848.097
- Brings together state of the art on a specific topic
- Works as a practical source of accessible information
- Sets the stage for future research
The State-of-the-Art Report of RILEM Technical Committee 228-MPS on Mechanical properties of Self-Compacting Concrete (SCC) summarizes an extensive body of information related to mechanical properties and mechanical behaviour of SCC. Due attention is given to the fact that the composition of SCC varies significantly. A wide range of mechanical properties are considered, including compressive strength, stress-strain relationship, tensile and flexural strengths, modulus of elasticity, shear strength, effect of elevated temperature, such as fire spalling and residual properties after fire, in-situ properties, creep, shrinkage, bond properties, and structural behaviour. A chapter on fibre-reinforced SCC is included, as well as a chapter on specialty SCC, such as light-weight SCC, heavy-weight SCC, preplaced aggregate SCC, special fibre reinforced SCC, and underwater concrete.
Content Level » Research
Keywords » Bond Properties - Creep and Shrinkage - Mechanical
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A series of seminars on Achieving Seismic Performance using Bolted Connections took place in Hamilton, Auckland, Wellington and Christchurch in March 2013.
The seminars were presented by Robert E. Shaw, one of the worlds leading experts on seismic welded and bolted connections, the Chairman of the IIW Commission XV Design, Analysis and Fabrication of Welded Structures.
This seminar was a second part of the successful seminar series Achieving Seismic Performance in Steel Connections presented by the speaker in 2012. While the previous seminar addressed issues around seismic welding, the focus of this one was on structural bolting in seismic applications. More than 55 professionals attended the events.
Achieving satisfactory performance in bolted joints involves the selection and verification of bolting materials, appropriate joint design, proper installation and quality assurance.
It covered assessment, retrofitting and detailing of bolted connections in moment frame, braced frame and steel plate shear wall systems. The seminar addressed these aspects with reference to NZS 3404.1, AS/NZS 1252, AS 4100 and other related standards.
Robert Shaw presented numerous case studies from his consultancy work on numerous significant projects in the US and abroad related to both bolting and welding issues.
Problems commonly encountered in bolted connections at the installation stage and the significance of the proper lubrication, protection, and storage as well as inspection and tightening procedure of bolts were explained in details.
One of the seminars hot topics was the conformance of steel materials for structural bolting applications.
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First volume in the Water Power Development series from Emil Mosonyi dedicated to the design of low-head hydroelectric power plants.
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Published By: CRC Press; 4 edition (November 4, 2011)
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A review is presented of nondestructive test (NDT) methods for evaluating the condition of concrete and steel reinforcement in structures. Methods discussed include visual inspection, stresswave, nuclear, measurement of fluid transport properties, magnetic and electrical, infrared thermography, and ground-penetrating radar. The principle of each method is discussed and the typical instrumentation described. Testing procedures are summarized and the data analysis methods explained. The advantages and imitations of the methods are highlighted. This report concludes with a discussion of planning a NDT program. General information is provided for those faced with the task of evaluating the condition of a concrete structure and who are considering the applicability of NDT methods to aid in that evaluation.
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