hoggin
名词 n.
英文释义
名词 n.
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A mixture of clay, gravel and sand, used as a base for laying pavements and paths
— You need to excavate and remove the topsoil, line the subsoil with a geotextile, then lay and compact hardcore. Follow this with a layer of compacted "hoggin" – compacted clay, gravel and sand. This is then sprayed with hot bitumen, and has a layer of pea shingle rolled into it.
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数据来源: Wiktionary