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Transportation Research Thesaurus

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Each term in the TRT is assigned a unique notational code that conveys its location within the hierarchy. The first letter of the notation represents the facet or top term. Using the notational code it is easy to determine the terms relation in the hierarchy. The term's parent (Ae) will have one less letter (from the right end) as the term (Aea). Siblings (Aeg, Aes) will have the same notational code as the term except the last letter will be different. Children (Aeac, Aeah) will have one letter appended to the end of the notational code of the term.

Hierarchical Display

Top Terms> Materials > Classes of materials > Building materials > Building materials by properties > Materials by shape or form > Pipe and tubing > Pipe > Culvert pipe

Rbmdxnp: Pipe
Rbmdxnpg: Culvert pipe

Find documents having Culvert pipe

Broader Term:
Rbmdxnp: Pipe
 
Related Terms:
Rbmdxnpc: Concrete pipe
Rbmdxnpe: Corrugated pipe
Rbmdxnph: Cured in place pipe
Rbmdxnpj: Drain pipe
Rbmdxnpk: Metal pipe
Rbmdxnpm: Perforated pipe
Rbmdxnpp: Plastic pipe
Rbmdxnpr: Riser pipe
Rbmdxnps: Sewer pipe
Rbmdxnpw: Water pipe
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