subgrade preparation

  • 1Subgrade — In highway engineering, subgrade is the native material underneath a constructed pavement. It is also called formation level. Explanation Subgrades are commonly compacted before the construction of a pavement, and are sometimes stabilized by the… …

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  • 2Road surface — A road in the process of being resurfaced Road surface (British English) or pavement (American English) is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkway. In the past… …

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  • 3Geoprofessions — is a term coined by ASFE/The Geoprofessional Business Association to connote various technical disciplines that involve engineering, earth and environmental services applied to below ground (“subsurface”), ground surface, and ground surface… …

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  • 4Admiralty Islands campaign — Admiralty Islands Part of World War II, Pacific War …

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  • 5Landing at Saidor — Part of World War II, Pacific War Troops of t …

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  • 6Tarmac — (short for tarmacadam, a portmanteau for tar penetration macadam) is a type of highway surface, pioneered by John Loudon McAdam in around 1820. Strictly speaking, Tarmac refers to a material patented by Edgar Purnell Hooley in 1901. The term is… …

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