An experimental study on the mechanical properties of concrete replacing sand with quarry dust and waste foundry sand

2020 ◽  
Vol 33 ◽  
pp. 828-832
Author(s):  
A. Kumar ◽  
S. Pratheba ◽  
R. Rajendran ◽  
K. Perumal ◽  
N. Lingeshwaran ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Experimental Study ◽  
Foundry Sand ◽  
Waste Foundry Sand ◽  
Quarry Dust

scholarly journals Effect of Waste Foundry Sand, Waste Glass, and Glass Fiber on Mechanical Properties of Concrete

2020 ◽  
Vol 9 (7) ◽  
pp. 628-632
Keyword(s):  
Mechanical Properties ◽  
Glass Fiber ◽  
Waste Glass ◽  
Fine Aggregate ◽  
Normal Concrete ◽  
Split Tensile Strength ◽  
Foundry Sand ◽  
Different Types ◽  
Waste Foundry Sand ◽  
Powdered Form

The proposed study present behaviour of concrete with inclusion of waste foundry sand (WFS), waste glass, and glass fiber in different concrete trial mixes. Waste foundry sand (WFS) is basically by-product formed from metal casting industries ferrous or non-ferrous, which due to rapid concrete construction in world used as an alternative of sand. Waste glass can be used in concrete in crushed form as a replacement of aggregate or in powdered form as a replacement of cement, the only problem with waste glass is it is prone to alkali-silica reaction due to different composition of different types of glasses. Glass fiber is added with waste glass and waste foundry sand (WFS) to increase strength. Normal concrete grade M25 (1:1:2) is used for this experimental purpose, different concrete trials were casted which consist of replacement of sand with waste foundry sand in different proportion (0%, 10%, 20%, and 30%). Next trial consists of optimum value of (WFS) with different proportion of waste glass (0%, 10%, and 20%, 30%) as a replacement of fine aggregate. Final trial consists of addition of glass fiber (0%, 0.25%, 0.50%, and 0.75%) in optimum value of second trial. Mechanical properties of concrete compressive strength, split-tensile strength, flexural strength was examined at 7, 14, 28, and 56 days curing period.

scholarly journals Mechanical Properties of Ultra-High Performance Concrete with Partial Utilization of Waste Foundry Sand

Buildings ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 11 ◽  
Author(s):  
Piotr Smarzewski
Keyword(s):  
Mechanical Properties ◽  
Quartz Sand ◽  
High Performance ◽  
High Performance Concrete ◽  
Sem Analysis ◽  
Ultra High Performance Concrete ◽  
Foundry Sand ◽  
Foundry Industry ◽  
Micro Cracks ◽  
Waste Foundry Sand

Waste foundry sand (WFS) is a ferrous and non-ferrous foundry industry by-product, produced in the amount of approximately 700 thousand tons annually in Poland and it is estimated that only a small percentage of this waste is recycled. The study used WFS to produce ultra-high performance concrete (UHPC) as a partial substitute for quartz sand. It was replaced with WFS levels of 0%, 5%, 10%, and 15% by weight of quartz sand content. The UHPC mixtures were produced and tested to determine the compressive strength, flexural strength, splitting tensile strength as well as the modulus of elasticity at 28, 56, and 112 days. Scanning electron microscope (SEM) analysis was done to identify the presence of various compounds and micro-cracks in UHPC with WFS. The results revealed an increase as well as an insignificant decrease in the mechanical properties up to 5% and 10% WFS replacement, respectively. These studies also prove improvement in the microstructure of UHPC up to a 5% WFS level. In all the tested properties in this work, 5% WFS was found to be an apt substitute for quartz sand.

scholarly journals Recycling of Foundry Sand Wastes in Self-Compacting Mortars: Use as Cementitious Materials and Fine Aggregates

2019 ◽  
Vol 9 (2) ◽  
pp. 195-200 ◽  
Author(s):  
Ghania Sebki ◽  
Brahim Safi ◽  
Kahina Chahour
Keyword(s):  
Mechanical Properties ◽  
Experimental Study ◽  
Compressive Strength ◽  
Strain Curve ◽  
Physical And Mechanical Properties ◽  
Cementitious Materials ◽  
Fine Aggregate ◽  
Stress Strain Curve ◽  
Foundry Sand ◽  
Fine Aggregates

Abstract This work aims to study the possibility recycling of foundry sand wastes (FSW) as a cementations additive and fine aggregate in self-compacting mortars (SCM). For this, an experimental study was carried out to evaluate physical and mechanical properties of SCM. Firstly, sand is substituted by the foundry sand waste at dosages (0%, 10%, 30%, and 50%) by weight of the sand. Secondly cement is partially substituted by crushed foundry sand waste at different ratio (0%, 10%, 20%, 30%, and 50%) by weight of cement. The obtained results show that up to 50%, (FSW) can be used as fine aggregate for mortars without affecting the essential proprieties of mortar. However, beyond 50% of sand substitution, mortars lose their fluidity. The compressive strength of the mortars with 50% of cement substitution decreased compared to the control mortar. Value of the highest compressive strength recorded at 28 days, is of the order of 50 MPa for the mortar with 20% of cement substitution. Also, stress-strain curve show an acceptable mechanical behavior of FSW-based mortar at 50% of sand substitution.

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