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The particle-size distribution (PSD) of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amount, typically by mass, of particles present according to size.[1] Significant energy is usually required to disintegrate soil, etc. particles into the PSD that is then called a grain size distributio
Breakwaters are structures constructed near the coasts as part of coastal management or to protect an anchorage from the effects of both weather and longshore drift.
Riprap, also known as rip rap, rip-rap, shot rock, rock armor, or rubble, is man-placed rock or other material used to armor shorelines, streambeds, bridge abutments, pilings and other shoreline structures against scour and water, wave, or ice erosion.
A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition and the way in which it is formed.
It consists of a mixture of materials between fine and coarse aggregate that allows the material to be within the granulometry curves that mark the norm SCT and AASHTO.
Derived from the basaltic rock crushing process. Due to their properties they are used for the manufacture of hydraulic concretes, asphalt concretes, hydraulic bases, as well as for construction in general.
