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Volume Title: ICASGE2023

DOI: ICASGE-MAT

¹Mariam Ghazy; ²Metwally Abd Elaty; ³Ahmed Mohammed Abo Elkhair ; Ahmed Mohammed Abo Elkhair

¹Professor of properties and strength of materials, Structural Engineering Department.

²Professor of properties and strength of materials, Structural Engineering Department. Faculty of Engineering, Tanta University

³Department of Structural Engineering, Faculty of Engineering, Tanta University

Efforts are needed to develop innovative and environmentally friendly materials in order to reduce the greenhouse gas emissions. Geopolymer concrete is considered one of the most promising eco-friendly materials alternative to ordinary Portland concrete. An experimental investigation on the flexural behavior of thin cement-less composite panels reinforced with welded, expanded and woven wire meshes with varying number of mesh layers as well as varying thickness and geometry of the panels are presented. A total of 38 panels have been tested under flexural loading. The size of the panel is 1000 mm (length) × 400 mm (width) and 25mm, 30mm, 35mm (thickness). In this work, cement is replaced by geopolymer mix to bind the ferrocement skeletal and its flexural behavior are studied. It is concluded that the first crack and ultimate loads increase with the increase in the thickness of the element and the number of mesh layers. The test results observed great enhancement in load carrying capacities, energy absorption, deformation at ultimate load due to increasing thickness of panels and number of wire mesh layers. Folded panel proved great increasing in ultimate and flexure capacity respected to plate panel, for example the gain of strength for double expanded folded panel at thickness 30mm equal 8.25 times for double expanded plate panel at thickness 30mm.

Geopolymers; Ferrocement; flexural behavior; load-deflection; plate; folded; panel

Materials Properties and Testing (MAT)