NEW DESIGN EQUATIONS FOR ELASTIC MODULUS OF CONCRETE USING MULTI EXPRESSION PROGRAMMING-Reference-Cited by-同舟云学术

NEW DESIGN EQUATIONS FOR ELASTIC MODULUS OF CONCRETE USING MULTI EXPRESSION PROGRAMMING

Published:2015-06-09 Issue:6 Volume:21 Page:761-774
ISSN:1392-3730
Container-title:Journal of Civil Engineering and Management
language:
Short-container-title:

Author:

Gandomi Amir H.¹,Faramarzifar Ali²,Rezaee Peyman Ghanad³,Asghari Abazar⁴,Talatahari Siamak⁵

Affiliation:

1. University of Akron

2. Islamic Azad University

3. The Institute of Higher Education of Eqbal Lahoori

4. Urmia University of Technology

5. Tabriz University

Abstract

An innovative multi expression programming (MEP) approach is used to derive new predictive equations for tangent elastic modulus of normal strength concrete (NSC) and high strength concrete (HSC). Similar to several building codes, the modulus of elasticity of NSC and HSC is formulated in terms of concrete compressive strength. Furthermore, a generic model is developed for the estimation of the elastic modulus of both NSC and HSC. Comprehensive databases are gathered from the literature to develop the models. For more verification, a parametric analysis is carried out and discussed. The proposed formulas are found to be accurate for the prediction of the elastic modulus of NSC and HSC. The predictions made by the MEP-based models are more accurate than those obtained by the existing models.

Publisher

Vilnius Gediminas Technical University

Subject

Strategy and Management,Civil and Structural Engineering

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