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High Strength Concrete Testing, Modelling and Design

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: closed (28 February 2021) | Viewed by 9204

Special Issue Editor


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Guest Editor
Chair, Structural Engineering Division, Department of Civil Engineering, Ariel University, Ariel 40700, Israel
Interests: testing and analysis of reinforced concrete structures and elements; high-strength concrete; steel fiber reinforced concrete; two-layer bending elements; earthquake engineering
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Special Issue Information

Dear Colleagues,

High-strength concrete is a popular and widely used material in modern structures. On one hand, it is a material that corresponds to modern structural design requirements making it suitable for high-rise buildings and complex structures and, on the other hand, it also enables enviromentally friendly and cost-efficient construction. Extensive research has been carried out on various aspects related to the production of effective high-strength concrete compositions, including the optimiation of mix proportioning, providing required strength, workability, ductility, etc. Using fibers in high-strength concrete is a special topic that has attracted the attention of many researchers in the last decades. Valuable experimental results were obtained for structures and elements made of high-strength concrete. These experimental studies formed a basis for developing novel methods for analysis and design of structures made of high-strength concrete.

This Special Issue is focused on presenting recent achievements in the field of high-strength concrete research, design and application. The topics, covered by this issue include, but not limited to the following:

  • Experimental investigation of high-strength concrete materials;
  • Effective high-strength mix proportioning;
  • Testing high-strength concrete structures and elements;
  • Optimal design of high-strength concrete elements;
  • High-strength concrete ductility;
  • Strength and durability aspects of high-strength concrete;
  • Composite elements, made of high-strength concrete;
  • Fibered high-strength concrete;
  • Dynamic response of high-strength concrete structures;
  • Seismic design of high-strength concrete structures;
  • Novel methods for numerical modelling of high-strength concrete structures and elements;
  • Theoretical models for high-strength concrete elements.

I hope that contributions from experts in these fields will yield further development of high-strength concrete theory and applications. Therefore, I am inviting you to submit your papers for this Special Issue.

Prof. Dr. Yuri Ribakov
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • high-strength concrete
  • experimental methods, design techniques
  • numerical modelling

Published Papers (2 papers)

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Research

19 pages, 4728 KiB  
Article
Investigation on Hysteretic Behavior of Embedded PVC Pipe Confined Reinforced High Strength Concrete Columns
by Zongping Chen, Yuhan Liang, Xuebing Zhao and Ji Zhou
Materials 2020, 13(3), 737; https://doi.org/10.3390/ma13030737 - 06 Feb 2020
Cited by 7 | Viewed by 6303
Abstract
To study the seismic performance of embedded polyvinyl chloride (PVC) pipe confined reinforced high-strength concrete (PVC-RHC) columns, five specimens are designed for cyclic loading test, which include three PVC-RHC column specimens, an embedded circle steel tube confined reinforced high-strength concrete (CST-RHC) column specimen, [...] Read more.
To study the seismic performance of embedded polyvinyl chloride (PVC) pipe confined reinforced high-strength concrete (PVC-RHC) columns, five specimens are designed for cyclic loading test, which include three PVC-RHC column specimens, an embedded circle steel tube confined reinforced high-strength concrete (CST-RHC) column specimen, and a reinforced high-strength concrete (RHC) column specimen. The failure mechanism and morphology are revealed by experiments. The influences of PVC pipe diameter, axial compression ratio, and concrete strength on seismic performance indexes are analyzed. The research results indicate thhe following: all specimens displayed shear baroclinic failure. Compared with RHC specimens, the hysteretic curves of the PVC-RHC specimen and CST-RHC specimen were fuller; furthermore, their energy dissipation capacity, deformation, and ductility were more beneficial. With the increase of the diameter–length ratio and axial pressure, the energy dissipation capacity and deformation capacity of PVC-RHC specimens decreased. The shear bearing capacity of the PVC-RHC specimen calculated with “concrete structure design code” (GB 50010-2010) was smaller than the test results by 25%, showing an excessive safety margin. Thus, according to the failure mechanism of the PVC-RHC specimen, a new calculation formula of shear bearing capacity is deduced, which is in good agreement with the experimental results. Full article
(This article belongs to the Special Issue High Strength Concrete Testing, Modelling and Design)
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23 pages, 5776 KiB  
Article
Interfacial Bond Behavior of High Strength Concrete Filled Steel Tube after Exposure to Elevated Temperatures and Cooled by Fire Hydrant
by Zongping Chen, Jiyu Tang, Xingyu Zhou, Ji Zhou and Jianjia Chen
Materials 2020, 13(1), 150; https://doi.org/10.3390/ma13010150 - 31 Dec 2019
Cited by 6 | Viewed by 2469
Abstract
For the engineering structure in case of fire, a fire hydrant is generally used for extinguishing the fire. This paper presents an experimental investigation on interfacial bond behavior of high-strength concrete-filled steel tube (HSCFST) after exposure to elevated temperatures and cooled by fire [...] Read more.
For the engineering structure in case of fire, a fire hydrant is generally used for extinguishing the fire. This paper presents an experimental investigation on interfacial bond behavior of high-strength concrete-filled steel tube (HSCFST) after exposure to elevated temperatures and cooled by fire hydrant using the pull-out test of 22 specimens. According to the experimental study, the failure mechanism of HSCFST exposed to elevated temperatures and water-cooling (ETWC) was revealed, the influence of various parameters on the bond behavior was analyzed, and the calculation formula of the bond strength of HSCFST subjected to ETWC was put forward. The results show that the load-slip curves of the loading end and the free end of the specimen are basically similar, and can be divided into three types of typical curves. In the push out test, the strain on the outer surface of the steel tube is exponentially distributed with its distance from the loading end. After ETWC exposure, the bond strength of the specimen is less affected by the concrete strength, which is inversely proportional to the anchorage length, and it is basically stable after the constant temperature duration is longer than 60 min. With the increase of the maximum temperature, the ultimate bond strength increases first, then decreases and then increases, and the residual bond strength increases first and then decreases. Besides, the study indicate that cooling method has significant influence on the bond behavior, compared with natural cooling specimens, the ultimate bond strength, residual bond strength, and shear bond stiffness of water-cooling specimens are smaller, and the interfacial energy dissipation capacity is larger. Full article
(This article belongs to the Special Issue High Strength Concrete Testing, Modelling and Design)
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