WebApr 5, 2024 · Working in trenches and excavations is hazardous to both the workers who work inside them, and to workers on the surface. The hazards include: Cave-ins or collapses that can trap or crush workers. Equipment or excavated soil falling on workers (e.g., equipment is operated or soil and debris is stored too close to the excavation). WebNov 11, 2013 · trench自体は「塹壕」という意味です。 戦場で地面に溝を掘り、その土を前に積み上げて敵の攻撃から身を守る役目を果たします。 「トレンチコート(trench coat) …
trenchの意味 - goo辞書 英和和英
Webnoun. ˈtrench. Synonyms of trench. 1. a. : a long cut in the ground : ditch. especially : one used for military defense often with the excavated dirt thrown up in front. b. trenches … WebTRENCH: An excavation in which material removal forms a narrow opening in the ground. Unlike large excavations, a trench is generally deeper than it is wide. OSHA considers an … ray bacon directo
Screening of Rayleigh Waves by Open Trenches - Missouri …
WebThis article applies to all open excavations made in the earth's surface. Excavations are defined to include trenches. (b) Definitions applicable to this article. Accepted engineering practices means those requirements which are compatible with standards of practice required by a registered professional engineer. Aluminum hydraulic shoring. WebSep 1, 2013 · In general, in-filled trenches are less effective than open trenches [8,16,17, 20]. While the efficacy of open trenches is mainly determined by their depth, the ratio between the bending stiffness ... WebStudy with Quizlet and memorize flashcards containing terms like Open trenches and excavations at construction sites should be prominently marked with _____ and _____ during hours of restricted visibility and/or darkness., All construction on the Movement Area must be approved by _____., _____ are required for any closures or hazardous conditions that … rayback trivia