Sirtu
Definition & Context
Noun
A word that functions as the name of a specific object or set of objects, such as living creatures, places, actions, qualities, states of existence, or ideas.
A technical abbreviation of “pasir” (sand) and “batu” (stone), referring to a mixed aggregate material used as a foundational layer in building construction or road paving.
Synonyms & Variants
agregat
Broader civil engineering technical term.
material pondasi
Material used as a base layer or foundation in construction, often an aggregate mixture.
pasir batu
Formal equivalent in Indonesian.
urugan
Backfill material.
base course
Professional term in construction project management.
urug
Often used interchangeably in the context of filling functions.
kerikil
Only refers to the stone component.
Usage Notes or Etymology
The term “sirtu” is an acronym widely used in the construction industry across Java. Etymologically, it combines the first syllables of pasir (sand) and batu (stone). In the context of geology and local mining in Java, this material is often sourced directly from volcanic slopes or riverbeds. Its use is crucial in the “macadam” method for soil stabilization before the asphalt or concrete pouring process.
Real-world Usage
Aku pesen sirtu sak truk nggo ngurug dalan ngarep omah. (Aku pesan sirtu satu truk untuk mengurug jalan depan rumah).
English Translation
Representative of real-world usage and contextual accuracy.
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