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Tuesday, August 11, 2020 | History

2 edition of Behaviour and analysis of confined concrete. found in the catalog.

Behaviour and analysis of confined concrete.

Esneyder Montoya

Behaviour and analysis of confined concrete.

by Esneyder Montoya

  • 212 Want to read
  • 9 Currently reading

Published .
Written in English


Edition Notes

Thesis (Ph.D.) -- University of Toronto, 2003.

The Physical Object
Pagination297 leaves.
Number of Pages297
ID Numbers
Open LibraryOL19984540M
ISBN 100612846806

This paper presents a study on the behavior and modeling of the stress-strain behavior of confined high-strength concrete (HSC) without silica fume. The behavior of actively confined HSC is first examined, and a unified active-confinement model applicable to both HSC and normal-strength concrete (NSC) is then proposed based on a large test.   An experimental program involving axial load tests of small-, medium-, and large-scale circular concrete specimens is presented to identify scale effects in the axial behavior of confined concrete. At the relatively high level of confinement provided, a scale effect is not observed as similar results were observed regardless of column by:

This paper presents the results of an experimental study into the behavior of concrete-filled steel tube columns confined by fiber-reinforced polymer (FRP). Eleven columns were tested to investigate the effects of the FRP layer number, the thickness of the steel tube and concrete strength on their load capacity and axial deformation by: DOI: / Corpus ID: Mechanical Behaviour of Confined Reinforced Concrete-CFRP Short Column- Based on Finite Element Analysis @inproceedings{TaghiaMechanicalBO, title={Mechanical Behaviour of Confined Reinforced Concrete-CFRP Short Column- Based on Finite Element Analysis}, author={Pezhman Taghia and .

Studies on the stress-strain behavior of confined recycled aggregate concrete (CRAC) under the static loading condition were also performed in recent years. A large number of compression tests on carbon fiber reinforced polymer (CFRP)-confined RAC cylinders were performed by Chen et al.. The test results showed that the replacement ratio did not have a significant effect on the fiber reinforced polymer (FRP) confinement by: 4. This paper presents analytical part of an investigation on the application of prestressed strips for concrete confinement. In this paper, an analytical model is proposed to predict the compressive stress strain curve of strapped concrete as a.


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Behaviour and analysis of confined concrete by Esneyder Montoya Download PDF EPUB FB2

Above, in the confined concrete behaviour. The results will be discussed in qualitative terms more than in quantitative ones, and in the light of Design Codes recommendations.

CONFINED CONCRETE STRESS - STRAIN MODEL Confined concrete stress - strain models are numerous, with certain differences due to certain logical or practical.

In the s and s, a dual system of ductile concrete moment frames coupled with confined concrete shear walls was developed. This concept works best with a perimeter Behaviour and analysis of confined concrete. book frame and an interior shear wall core, or the reverse, using a perimeter.

The behavior of actively confined HSC is first examined, and a unified active-confinement model applicable to both HSC and normal-strength concrete (NSC) is then proposed based on a large test database assembled from the existing literature.

An experimental study on fiber-reinforced polymer (FRP)-confined HSC is next presented and interpreted to examine its behavior. The strain rate sensitivity of concrete material was discovered approximately one hundred years ago, and it has a marked effect on the behaviour of concrete members subjected to dynamic loadings such as strong earthquake and impact loading.

Because of the great importance of the confined reinforced concrete (RC) columns in RC structures, the dynamic behaviour of the columns induced by the. To model the behaviour of concrete confined by overlapping hoops (different from the hoops in the study by Zeng and Xu [17]) at high strain rates using the concrete damaged plasticity model in ABAQUS, a locally modified compressive stress-strain relation of concrete was developed based on the work by Zeng and Xu [17], which considersAuthor: Xiang Zeng.

STRESS STRAIN BEHAVIOUR OF CONCRETE CONFINED BY PREFABRICATED CAGE SCOPE The strength and ductility of the structural members can be enhanced by confining the concrete by transverse reinforcement commonly in the form of closely spaced steel or hoops (Mohamad Ziara et.Sharim Sheikh et.

At low levels of stress inFile Size: 4MB. As a result, many theoretical and experimental studies have been carried out on FRP-confined concrete. This paper provides a critical review of existing studies, with the emphasis being on the revelation of the fundamental behavior of FRP-confined concrete and the modeling of this behavior.

Research is, however, limited and particularly for the stress-strain behavior of PET FRP-confined concrete. In light of such knowledge gap, this paper presents an experimental investigation on the. Title: Behavior of Normal- and High-Strength Confined Concrete Author(s): Shamim A. Sheikh, Dan Laine, and Ciyan Cui Publication: Structural Journal Volume: Issue: 6 Appears on pages(s): Keywords: confinement; dilation; expansion ratio; fluid pressure; lateral strain; longitudinal strain; triaxial stresses Date: 11/1/ Abstract: The objective of this study was to.

concrete area and presented the stress-strain relations of confined concrete. Yong and al [12] proposed an empirical stress-strain relation of confined high-strength concrete. Mander and al [6] proposed a stress-strain relation of confined concrete with according the confinement effects to the various configurations of lateral Size: KB.

Analysis of Bond Behavior of FRP-Confined Concrete Piles Based on Push-Out Test Zheng-zhen Wang, 1 Wei-ming Gong, 1 Guo-liang Dai, 1 and Ling-feng Liu 1 1 Key Laboratory for RC and PRC Structure of Education Ministry, School of Civil Engineering, Southeast University, No.2 Sipailou, Nanjing, JiangsuChinaAuthor: Zheng-zhen Wang, Wei-ming Gong, Guo-liang Dai, Ling-feng Liu.

Concrete Minimum grade of concrete shall be M15 as per IS Concrete mix should provide adequate workability (slump = mm) Size of the coarse aggregate should be less than mm Reinforcement Fe grade steel (see IS: ) shall be used for reinforced concrete. Because of the relatively significant influence of the load eccentricity on the axial stress-strain behavior of FRP-confined concrete, caution is required when applying the concentric axial stress-strain models of FRP-confined concrete to predict the behavior of members under load by: 5.

Confining mechanism of angle steel frame. The core concrete is confined by angle steel and steel batten in ASFCs. The confining effect of steel batten is complex due to axial incoherence layout, it is affected by the following factors: specimen size, angle steel Author: Chong Rong, Qingxuan Shi.

Fibre-reinforced polymer (FRP) composites were widely utilized in civil engineering structures as the retrofit of reinforced concrete (RC) columns. To design FRP jackets safely and economically, the behaviour of such columns should be predicted first. This paper is concerned with the analysis and behaviour of FRP-confined RC circular and rectangular short columns subjected to Cited by: Very little information is available on the behavior of fiber reinforced polymer (FRP) materials and FRP-strengthened concrete members in fire, and this is a primary factor hindering the widespread implementation of FRP strengthening technologies in the construction industry.

It is concluded that load path has a significant effect on the stress-strain behavior of FRP-confined concrete and different stress-strain models are required for FRP-confined concrete under different load paths.

Based on the test results, a stress-strain model is proposed for FRP-confined concrete under the relevant load path. Stress-Strain Model of Unconfined and Confined Concrete and Stress-Block Parameters. (December ) Madhu Karthik Murugesan Reddiar, B-Tech., Pondicherry Engineering College, Puducherry, India.

Chair of Advisory Committee: Dr. John B. Mander. Stress-strain relations for unconfined and confined concrete are proposed to. The paper presents experimental and numerical investigations on the behaviour of rubberized concrete short columns confined with aramid fibre reinforced polymer (AFRP) subjected to compression.

Additionally, the possibilities to substitute fine aggregate with crumb rubber granules, obtained from discarded worn tires, in structural concrete is also : Gabriel Oprişan, Ioana-Sorina Enţuc, Petru Mihai, Ionuţ-Ovidiu Toma, Nicolae Ţăranu, Mihai Budescu. The effect of confinement pressure on concrete mechanical behaviour is usually studied and quantified by different types of concrete compression tests such as FRP confined circular and non.

Stress-strain behaviour of FRP-confined concrete in eccentrically-loaded circular columns. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list.Behavior and modeling of fiber-reinforced polymer-confined concrete in elliptical columns Article in Advances in Structural Engineering 19(9) May with 84 Reads How we measure 'reads'.This model is a refined, rule-based, generalized, and non-dimensional constitutive model that allows calibration of the monotonic and hysteretic material modeling parameters, and can simulate the hysteretic behavior of confined and unconfined, ordinary and high-strength concrete, in both cyclic compression and tension (Figure 1).