Light Weight Self Compacting Concrete With Light Expanded Clay Aggregate (LECA)

Document Type : Original Article

Authors

1 Professor, Civil Engineering Department, Faculty of Engineering, Menoufia University, Egypt

2 Lecturer, Civil Engineering Department, Faculty of Engineering, Menoufia University, Egypt

3 Civil engineer at ministry of housing, Egypt

Abstract

Lightweight concretes have been successfully applied in the building constructions for decades because of their favourable material properties, especially their low specific weight in connection with a high strength, a high capacity of thermal insulation and a high durability. The development leading to light weight self compacting concrete(LWSCC) represents an important innovative step in the recent years. This concrete combines the favourable properties of a lightweight concrete with those of a self compacting concrete. Research work is aimed on development of (LWSCC) with the use of light aggregates ‖Light expand clay aggregate (LECA)‖. In this investigation, first by specific gravity factor method, Twenty different mixes design of (LWSCC) were casted and tested to find out the values of slump flow, G-ring , V-funnel and 28 day compressive strength. Based on the results obtained, the best mix design was selected for further investigation. For the selected mix we study the effect of changing the reinforcement ratio on reinforced two way slabs when the dimensions were kept constant.

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