Enhanced Reliability Method for the Two-Way Shear Provisions of the European Code for Lightweight Concrete

The two-way shear failure of concrete elements is sudden; thus, reliable design codes are a must. In this current study, three reliability methods were implemented, namely: the Mean Value First Order Second Moment (MVFOSM), the First-Order Second Moment Method (FOSM), and the Rackwitez-Fiessler proc...

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Bibliographic Details
Published in:Key engineering materials 2022-07, Vol.927, p.209-219
Main Authors: Alkhatib, Soliman, Deifalla, A.
Format: Article
Language:English
Subjects:
Concrete slabs
Design standards
Lightweight concretes
Reliability
Shear
State-of-the-art reviews
Weight reduction
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Summary:The two-way shear failure of concrete elements is sudden; thus, reliable design codes are a must. In this current study, three reliability methods were implemented, namely: the Mean Value First Order Second Moment (MVFOSM), the First-Order Second Moment Method (FOSM), and the Rackwitez-Fiessler procedure (RFHL-FOSM) on the two-way shear provisions of the European design code for lightweight concrete. A brief state-of-the-art review of existing reliability methods is presented and compared. An extensive experimental database of lightweight concrete slabs testing under two-way shear loading was gathered. The reliability index was calculated for the design code. This index was compared with the target values set by international standards. For two-way shear of lightweight concrete, the European design code was found to achieve the target of reliability. The MVFOSM was found to provide a better reliability index than using the FOSM.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/p-j04o66