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单词 Coarse aggregate
释义

Coarse aggregate

英语例句库

The basic principle is the VCA formed by the coarse aggregate is filled with the fine aggregate, the filling, the asphalt and the preconcerted void content.

矿料级配中粗集料形成的孔隙率由细集料、填料、沥青和预定孔隙率填充。

英语百科

Construction aggregate

Limestone quarry.
10 mm graded crushed basalt rock or aggregate, for use in concrete, called
20 mm graded aggregate.
A gravel and sand extraction facility in Međimurje County, Croatia

Construction aggregate, or simply "aggregate", is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are the most mined materials in the world. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as reinforcement to add strength to the overall composite material. Due to the relatively high hydraulic conductivity value as compared to most soils, aggregates are widely used in drainage applications such as foundation and French drains, septic drain fields, retaining wall drains, and road side edge drains. Aggregates are also used as base material under foundations, roads, and railroads. In other words, aggregates are used as a stable foundation or road/rail base with predictable, uniform properties (e.g. to help prevent differential settling under the road or building), or as a low-cost extender that binds with more expensive cement or asphalt to form concrete.

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更新时间:2025/6/19 11:16:06