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Thursday, July 16, 2020 | History

4 edition of Behaviour of high-strength concrete under strain gradient found in the catalog.

Behaviour of high-strength concrete under strain gradient

Sevket Ozden

Behaviour of high-strength concrete under strain gradient

by Sevket Ozden

  • 259 Want to read
  • 26 Currently reading

Published by National Library of Canada = Bibliothèque nationale du Canada in Ottawa .
Written in English


Edition Notes

SeriesCanadian theses = Thèses canadiennes
The Physical Object
FormatMicroform
Pagination3 microfiches : negative.
ID Numbers
Open LibraryOL14777936M
ISBN 100315785306
OCLC/WorldCa30072101

Fig. Transient thermal strain under load of high strength concrete with PP fibres (Huismann ) α=0 4 0 Heating rate dT/dt = 1 K/min 0 α= σi / fc(20°C) Temperature [°C] HSC with pp-fibres-4 α = 0,7 α = 0, α = 0, α = 0, α = 0,3 α = 0, α = 0, 0 Fire ranks high among the potential risks faced by most buildings and structures. A full understanding of temperature effects on fiber reinforced concrete is still lacking. This investigation focuses on the study of the residual compressive strength, stress strain behavior and surface cracking of structural polypropylene fiber-reinforced concrete subjected to temperatures up to ° by:

Concrete has relatively high compressive strength (it doesn't crack under weight), but significantly lower tensile strength (it cracks when being pulled). The compressive strength is typically controlled with the ratio of water to cement when forming the concrete, and tensile strength is increased by additives, typically steel, to create reinforced concrete. The Code also limits the failure strain of concrete to under direct compression and under flexure. Due to the process of continued hydration of cement in hardened concrete, by absorption of moisture from the atmosphere; this is particularly effective in a humid environment; Some increase in strength can be expected due to the.

strain behaviour of concrete under cyclic loading" ACI Material Journal No. M18, March/April , pp. ^MC. GRATH and HOOTON "Influence of binder composition on chloride penetration resistance of concrete" Journal of ACI special Publication Vol. , July , pp Finite-element modeling of actively confined normal-strength and high-strength concrete under uniaxial, biaxial, and triaxial compression. Journal of Structural Engineering, (11),


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Behaviour of high-strength concrete under strain gradient by Sevket Ozden Download PDF EPUB FB2

ABSTRACT. A continuous damage Behaviour of high-strength concrete under strain gradient book is employed to study mechanics behavior of concrete material characterized by strain–softening. The influence of the initiation and growth of microdefects (damage) between the interphase interface is studied by analyzing the condition of ms are considered in terms of elastic–damage theory for brittle materials.

A stress-strain model for confined high-strength concrete has been developed and calibrated against the test results from 50 large-scale high-strength concrete tied columns tested under concentric. Behaviour of high-strength concrete filled steel tubes under transverse impact loading Article in Journal of Constructional Steel Research –39 January with Reads.

Based on a confined concrete model for concentric static loading, an analytical method is proposed to predict the behaviour of laterally confined concrete columns subjected to eccentric static load Cited by: 5.

The effect of strain gradient on the behavior of concrete columns confined by the FRP jacket was investigated through experimental and numerical analysis methods. Nine ( × × mm) square concrete column stubs with zero, one, and two plies of unidirectional carbon FRP fabric were tested under axial compressive loading.

High strain-rate elastomeric polymers (HSREP) have been identified as promising structural materials in a wide range of applications, including shock mitigation, blast protection, and transparent armor applications [1,2].However, their use is critically limited by two mechanisms, namely degradation of HSREP by distributed damage or failure by fracture [3–6].

The numerical results find that the peaks of compressive stress and compressive strain of concrete show the rate-sensitivity in various degrees under different strain rates. The calculated results of the dynamic enhancement factors are in a good agreement with the formula given by the Comité Euro-International du Béton (CEB) and other.

Jonas Andås Belayachi and Khaled Bastami, Compression failure of high-strength LWAC beams (in Norwegian). Master thesis Department of Structural Engineering NTNU, WP4. Lauvsland, Håvard; Hammer Aleksander, Failure of high strength lightweight aggregate concrete under compressive strain gradient (in Norwegian).

This study aimed to investigate the shear capacity performance for eight deep beams with HTRB reinforced high strength concrete under concentrated load to enable a better understanding of the effects of shear span–depth ratio, longitudinal reinforcement ratio, vertical stirrup ratio and in order to improve design procedures.

The dimension of eight test specimens is mm × mm Author: Jun-Hong Zhang, Shu-Shan Li, Wei Xie, Yang-Dong Guo. Impact behaviour of the high-strength aluminium alloy AAT Experimental and numerical analysis on dry and saturated concrete behaviour under high pressure confinement.

Pontiroli, C Accurate measurement of stress-strain relation under high strain rate condition by using non-coaxial Hopkinson bar method. Dynamic Behavior of Materials, Volume 1 represents the first of nine volumes of technical papers presented at the Society for Experimental Mechanics SEM 15th International Congress & Exposition on Experimental and Applied Mechanics, held at Costa Mesa, California, JuneThe full set.

Numerical Simulation of Hybrid FRP-Concrete-Steel Double-Skin Tubular Columns under Close-Range Blast Loading Journal of Composites for Construction July Axial Compressive Behavior of FRP-Concrete-Steel Double-Skin Tubular Columns Made of Normal.

A systematic programme of research is being carried out at Glasgow on the thermal properties of concrete under different heating regimes and on different types of concrete and the test results will be available soon. A faster heating rate normally leads to a higher thermal gradient and a higher hygric gradient.

Stress–strain behaviour Cited by: 4. Dynamic Behavior of Materials, Volume 1 of the Proceedings of the SEM Annual Conference& Exposition on Experimental and Applied Mechanics, the first volume of nine from the Conference, brings together contributions to this important area of research and collection presents early findings and case studies on fundamental and applied aspects of Experimental Mechanics.

Yan Xiao et al. () reported in their book other favourable characteristics of bamboo which includes its strong and elastic fibrous textures that makes it exhibit high resistance to earthquake, high strength-weight ratio, lightness, natural insulation properties that would save thermal energy and high durability if treated well.

Leena. Dynamic Behavior of Materials, Volume 1: Proceedings of the Annual Conference on Experimental and Applied Mechanics / Dynamic Behavior of Materials, Volume 1 of the Proceedings of the SEM Annual Conference& Exposition on Experimental and Applied Mechanics, the first volume of nine from the Conference, brings together contributions to this important area of research and engineering.

Amin Heidarpour. (), On the use of Bernstain-Bézier functions for modelling the post-fire stress-strain relationship of ultra-high strength steel (Grade ), Engineering Structures,Behaviour of ultra-high strength steel under cooling phase of a fire to Summary.

Mechanics of Structures and Materials: Advancements and Challenges is a collection of peer-reviewed papers presented at the 24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM24, Curtin University, Perth, Western Australia, December ).The contributions from academics, researchers and practising engineers from Australasian, Asia-pacific region and.

Dynamic Behavior of Materials, Volume 1 of the Proceedings of the SEM Annual Conference & Exposition on Experimental and Applied Mechanics, the first volume of eight from the Conference, brings together contributions to this important area of research and collection presents early findings and case studies on fundamental and applied aspects of Experimental Mechanics.

Book Description. Research and Applications in Structural Engineering, Mechanics and Computation contains the Proceedings of the Fifth International Conference on Structural Engineering, Mechanics and Computation (SEMCCape Town, South Africa, September ).Over papers are featured.

Many topics are covered, but the contributions may be seen to fall into one of four broad. Research and Applications in Structural Engineering, Mechanics and Computation contains the Proceedings of the Fifth International Conference on Structural Engineering, Mechanics and Computation (SEMCCape Town, South Africa, September ).

Over papers are featured. Many topics are covered, but the contributions may be seen to fallCited by: 6.Prepared M40 grade concrete cube of size mm X mm mm for measuring the mechanical properties a cylindrical specimen of mm diameter and height of mm were casted [24].

Srinivasa Reddy V et al. made a specimen to find the stress-Strain of the concrete sample were made of high strength grade of concrete such as MA tensile test until breakage and a creep and relaxation test on a polypropylene fibre are carried out and the resulting creep and stress relaxation curves are fit by a model adopting a fraction-exponential kernel in the viscoelastic operator.

The models using fraction-exponential functions are simpler than the complex ones obtained from combination of dashpots and springs and, furthermore Cited by: 3.