Webtrencher noun [ C ] uk / ˈtren.tʃə r/ us / ˈtren.tʃɚ / Australian English a black hat with a square, flat top, worn on formal occasions by some teachers and students at college or university, and in the past by some school teachers (黑色的)方頂帽,學位帽 Compare mortarboard in the past, a flat, wooden dish used to serve food (舊時盛食物用的)木盤 Want to learn … WebAug 11, 2024 · Trenchers are used for digging trenches and laying cables, conduits, or pipes of diameter up to 63 mm and at a depth up to 1.5 m. The pipe express method is a semi -trenchless method that is used for the near-surface installation of pipelines of lengths up to 1000 meters and diameters from 800 mm to 1500 mm.
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WebTrenching is a major technical and economic factor in arctic pipeline engineering design. For example, in the deeper waters of the Beaufort Sea, cover depths of 2 m and greater, avoiding direct ice contact, are expected. Several trenching techniques could be used during the water-open season. WebA trencher is a piece of construction equipment used to dig trenches, especially for laying pipes or electrical cables, for installing drainage, or in preparation for trench warfare. Trenchers may range in size from walk … black snake clip art
Trencher Definition & History Britannica
WebDefinition of trencher noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. WebOct 13, 2012 · noun. a person or thing that digs trenches. ditchdigger (def. 3). a rectangular or circular flat piece of wood on which meat, or other food, is served or carved. such a … Weba detailed definition of Type B soil. Type C – Cohesive soil with an unconfined compressive strength of 0.5 tsf (48 kPa) or less, granular soils (including gravel, sand, and loamy sand), submerged soil or soil from which water is freely seeping, submerged rock that is not stable, or material in a sloped, layered system where the layers gary childers spearfish sd