Analysis and Design for Sustainable and Durable Structural Concrete in Infrastructures

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 20 July 2024 | Viewed by 1359

Special Issue Editors


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Guest Editor
School of Computing and Engineering, University of West London, London W5 5RF, UK
Interests: self-healing concrete; structural behaviour versus sustainability and durability aspects; high-performance concrete; innovative materials for a lower carbon footprint
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Computing and Engineering, University of West London, London W5 5RF, UK
Interests: analysis and design of steel domes; finite element analysis of structural elements; analysis and design of concrete ground supported slabs; polyhedric space structures using reciprocally supported elements

Special Issue Information

Dear Colleagues,

Structural reinforced concrete is commonly used in infrastructure such as concrete pavements, bridges, abutments, etc. The addition of polyvinyl alcohol (PVA) fibres, polypropylene (PP) fibres, or hybrid fibres to concrete would improve the structural behaviour and sustainability of the infrastructure. PVA fibres may contribute to the self-healing of concrete, and both PVA and PP would improve the structural behaviour and ductility of reinforced concrete beams and slabs.

Experimental work may be carried out on fibrous reinforced concrete slabs and beams to assess the different types and quantity of fibres on their structural behaviour and durability.

Empirical design and rational equations based on international design codes may be developed to predict the deflection of slabs and the shear behaviour of beams, taking into consideration the effect of hybrid fibres for predicting deflection/shear strength in a simple and accurate way.

A time-dependent finite element analysis may be carried out to simulate the inclusion of PVA/PP fibres into concrete elements and to monitor the progressive cracking/closing of cracks with time, based on the type/percentage of the added fibres and wetting/drying due to environmental conditions.

Dr. Ibrahim G. Shaaban
Prof. Dr. Joe Rizzuto
Guest Editors

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Keywords

  • simulation of PVA fibres in finite element analysis
  • shear behaviour
  • hybrid polyproplyene and PVA fibres
  • design consideration for durability
  • rational analysis and design of fibrous concrete
  • sustainable infrastructure
  • self-healing concrete using PVA fibres

Published Papers (1 paper)

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Research

15 pages, 2083 KiB  
Article
A SDoF Response Model for Elastic–Plastic Beams under Impact at Any Point on the Span
by Shiyun Shi
Appl. Sci. 2023, 13(16), 9051; https://doi.org/10.3390/app13169051 - 08 Aug 2023
Viewed by 606
Abstract
This study aims to investigate the elastic–plastic response of a clamped-clamped beam struck by a rigid heavy mass with a low velocity at any point on the span. The impact system is simplified as a single-degree-of-freedom (SDoF) mass-spring model to formulate the beam’s [...] Read more.
This study aims to investigate the elastic–plastic response of a clamped-clamped beam struck by a rigid heavy mass with a low velocity at any point on the span. The impact system is simplified as a single-degree-of-freedom (SDoF) mass-spring model to formulate the beam’s equations of motion during loading and unloading. With the consideration of material elasticity and large deflection, elastic–plastic analytical solutions are derived to predict the global deformation behavior of the beam. Validation and comparison are conducted against numerical simulations performed using ABAQUS, and satisfactory agreement is achieved for the predictions of the structural dynamic behavior. Meanwhile, a parametric study is presented to assess the influence of the impact location on the characteristic response parameters, which suggests that the structural stiffness increases as the impact location approaches the beam’s support. The findings drawn from analytical and numerical studies can be useful in the anti-impact design of engineering structures. Full article
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