Civil MDC

FE plate analysis. φ, εcs and fct values to BS EN1992-1 : 2004 2

FE plate analysis. φ, εcs and fct values to BS EN1992-1 : 2004

BS EN1992-1:2004, also known as Eurocode 2, is a European Standard for the design of concrete structures. It provides guidelines for the design and analysis of reinforced concrete elements, including plates and slabs. Here are some key terms and values related to plate analysis in accordance with BS EN1992-1:2004:

φ (Phi): This represents the resistance factor or partial safety factor for the material or structural element being considered. It is used to account for uncertainties in material properties, workmanship, and loadings. The specific value of φ will depend on the design situation and the material being considered. For example, for concrete, the partial safety factor φ for ultimate limit state (ULS) design is typically 1.5.

εcs (Circumferential Tensile Strain): This refers to the maximum tensile strain in the circumferential direction of a plate or a slab. It is an important parameter used in the analysis of concrete structures to assess cracking and determine the capacity of the structure to resist bending and other loads. The value of εcs will depend on the design situation, the concrete strength, and other factors.

fct (Tensile strength of concrete): This represents the characteristic tensile strength of concrete. It is used in the analysis and design of concrete elements to assess the cracking behavior and resistance to tensile forces. The value of fct depends on the concrete mix design, curing conditions, and other factors. It is typically determined through laboratory tests on concrete specimens.

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