Rubble

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rubble

[′rəb·əl]
(civil engineering)
Rough, broken stones and other debris resulting from the deterioration and destruction of a building.
Rough stone or brick used in coarse masonry or to fill the space in a wall between the facing courses.
(geology)
A loose mass of rough, angular rock fragments, coarser than sand.
(hydrology)
Fragments of floating or grounded sea ice in hard, roughly spherical blocks measuring 0.5-1.5 meters (1.5-4.5 feet) in diameter, and resulting from the breakup of larger ice formations. Also known as rubble ice.

Rubble

Rough stones of irregular shapes and sizes, used in rough, uncoursed work in the construction of walls, foundations, and paving.

Rubble

 

large, irregularly shaped pieces with an edgewise length of 150-500 mm, obtained from limestones, dolomites, sandstones, and more rarely granites. Cobblestone is a variety of rubble (boulders with edgewise length up to 300 mm). In the production of rubble, rocks are used with a limit of compression strength up to 100 meganewtons (mN) per sq m (1,000 kilograms-force per sq cm). Rubble is classified according to strength: low-strength (2.5-10 mN per sq m), medium-strength (15-40 mN per sq m), and high-strength (over 50 mN per sq m). Requirements for frost resistance in rubble are determined according to conditions of use (from 15 to 300 cycles of freezing). Rubble is used for the laying of foundations, for walls of auxiliary buildings, for the channeling of canals, for hydrotechnical structures, and so on.

REFERENCE

Vorob’ev, V. A. Stroitel’nye materialy, 3rd ed. Moscow, 1962.

rubble

Rough stones of irregular shapes and sizes; used in rough, uncoursed work in the construction of walls, foundations, and paving.