or gueâ¢rilâ¢la. a member of a band of irregular soldiers engaged in guerrilla warfare. guerra war 1)]. , gorilla-Guerrilla is from a Spanish diminutive of guerra, war, and refers to a soldier of an independent armed resistance force; gorilla is the ape.
Efflorescence is a crystalline deposit of water-soluble salts left on the surface of masonry and concrete as the water evaporates. Efflorescence is a partner of Sweating Slab Syndrome. This article is intended to address only efflorescence in concrete floors and more specifically, secondary efflorescence.
Properties of Concrete ïº Concrete is an artificial conglomerate stone made essentially of Portland cement, water, and aggregates. Properties of Concrete ïºWhile cement in one form or another has been around for centuries, the type we use was invented in 1824 in Britain.ïºIt was named Portland cement because it looked like the stone quarried on the Isle of Portland.Stages of hydration: Properties of Concrete ïº Range in proportions of materials used in concrete, by absolute volume. ïº Bars 1 and 3 represent rich mixes with small size aggregates.