Next Article in Journal
Li+ Insertion in Nanostructured TiO2 for Energy Storage
Next Article in Special Issue
Lightweight Concrete—From Basics to Innovations
Previous Article in Journal
Application of Zeolite Tuffs as Mineral Filler in Warm Mix Asphalt
Previous Article in Special Issue
Proposing a New Method Based on Image Analysis to Estimate the Segregation Index of Lightweight Aggregate Concretes
Open AccessArticle

Deformation Analysis of Reinforced Beams Made of Lightweight Aggregate Concrete

1
Department of Reinforced Concrete Structures and Geotechnics, Vilnius Gediminas Technical University, Sauletekio al. 11, LT-10223 Vilnius, Lithuania
2
SRP Projektas Ltd., Savanorių pr. 176c, LT-03154 Vilnius, Lithuania
3
Laboratory of Innovative Building Structures, Vilnius Gediminas Technical University, Sauletekio av. 11, LT-10223 Vilnius, Lithuania
*
Author to whom correspondence should be addressed.
Materials 2020, 13(1), 20; https://doi.org/10.3390/ma13010020
Received: 20 November 2019 / Revised: 13 December 2019 / Accepted: 17 December 2019 / Published: 19 December 2019
(This article belongs to the Special Issue Advances in Lightweight Aggregate Concrete)
In the present trend of constructing taller and longer structures, the application of lightweight aggregate concrete is becoming an increasingly important advanced solution in the modern construction industry. In engineering practice, the analysis of lightweight concrete elements is performed using the same algorithms that are applied for normal concrete elements. As an alternative to traditional engineering methods, nonlinear numerical algorithms based on constitutive material models may be used. The paper presents a comparative analysis of curvature calculations for flexural lightweight concrete elements, incorporating analytical code methods EN 1992-1 and ACI 318-19, as well as a numerical analysis using the constitutive model of cracked tensile lightweight concrete recently proposed by the authors. To evaluate the adequacy of the theoretical predictions, experimental data of 51 lightweight concrete beams of five different programs reported in the literature were collected. A comparison of theoretical and experimental results showed that the most accurate predictions are obtained using numerical analysis and the constitutive model proposed by the authors. In the future, the latter algorithm can be used as a reliable tool for improving the design standard methods or numerical modeling of lightweight concrete elements subjected to short-term loading. View Full-Text
Keywords: lightweight aggregate concrete; reinforced concrete; flexural elements; curvature; short-term loading; tension stiffening; constitutive model; numerical modeling lightweight aggregate concrete; reinforced concrete; flexural elements; curvature; short-term loading; tension stiffening; constitutive model; numerical modeling
Show Figures

Figure 1

MDPI and ACS Style

Bacinskas, D.; Rumsys, D.; Sokolov, A.; Kaklauskas, G. Deformation Analysis of Reinforced Beams Made of Lightweight Aggregate Concrete. Materials 2020, 13, 20.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop