Abstract
Abstract Designing masonry structures or any other structures involves ensuring an adequate level of safety. This is done by applying the appropriate set of partial factor for strength and partial factors for actions in accordance with the recommendations of the Eurocodes. The paper presents an analysis of the reliability of a compressive masonry structure on the example of a wall fragment made of silicate blocks. The relationship between partial factors applied to actions in various configurations and factors for the compressive strength of masonry was investigated. The analyses consisted in determining the reliability index β using the First Order Reliability Method (FORM). The results are presented in diagrams with reference to different construction classes execution of works, as well as different reliability classes from RC1 to RC3.
Highlights
IntroductionProper design of a masonry structure is based on the use of a set of appropriate standards, defining the specifics of the type of the designed structure, and, for example, ensuring an adequate level of safety
Technological progress in masonry structures have resulted in the creation of competitive solutions in both execution and design, which forces the need for an ever deeper recognition of this type of construction.Proper design of a masonry structure is based on the use of a set of appropriate standards, defining the specifics of the type of the designed structure, and, for example, ensuring an adequate level of safety.The basic strength case occurring in masonry structures is compression in the direction perpendicular to the support welds [3]
The characteristic compressive strength of masonry fk should be determined on the basis of the test results, because the masonry is a typical material with anisotropic properties, the strength of which consists of both the strength of the masonry element itself and the mortar
Summary
Proper design of a masonry structure is based on the use of a set of appropriate standards, defining the specifics of the type of the designed structure, and, for example, ensuring an adequate level of safety. The basic strength case occurring in masonry structures is compression in the direction perpendicular to the support welds [3]. The characteristic compressive strength of masonry fk should be determined on the basis of the test results, because the masonry is a typical material with anisotropic properties, the strength of which consists of both the strength of the masonry element itself and the mortar. To ensure an adequate safety margin, the characteristic value of strength should be transformed into a design value using an appropriate safety factors, which in masonry structures is called γM
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