engineering recuitment UPSSSC JE Civil 2024 Mock Test Construction Materials and Management Bricks and Mortar
Iron pyrite is harmful constituent for brick earth because
1
does not allow the clay to be mixed thoroughly and spoil the appearance of the brick.
2
It tends to oxidise and decompose the brick during burning and discolourise it.
3
it absorbs moisture, swells and causes disintegration of the bricks.
4
It leaves white powder deposits on the brick which spoil the appearance