إلى قياس يبقي معه الحفر الزائد إلى الحد الأدنى
English translation: allowable excavation tolerances
| 09:31 Jun 10, 2018 |
| Arabic to English translations [PRO] Tech/Engineering - Construction / Civil Engineering / - | |||||||
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|  Selected response from: Erzsébet Czopyk Hungary Local time: 20:31 | ||||||
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8 mins confidence: 
to a measurement at which the excessive digging remains at the minimum Explanation: to a measurement at which the excessive digging remains at the minimum |
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33 mins confidence: peer agreement (net): +1
peer agreement (net): +1dimensions that keep excess digging to a minimum Explanation: dimensions that keep excess digging to a minimum |
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11 mins confidence:
allowable excavation tolerances Explanation: [PDF]guide for tunnelling work - Safe Work Australia https://www.safeworkaustralia.gov.au/system/files/documents/... 6.1 Procedures for moving plant. 57 ... APPENDIX D – TUNNEL BORING MACHINES ... Construction work carried out in or near a tunnel or associated excavation is high risk ..... tunnel dimensions and allowable excavation tolerances. ▫ limitations for installing ground support during excavation e.g. maximum and minimum. I do not speak Arabic but i worked for over 8 yrs in the construction industry. -------------------------------------------------- Note added at 14 mins (2018-06-10 09:46:04 GMT) -------------------------------------------------- Tunnels Under Construction: Code of Practice - TunnelTalk.com https://www.tunneltalk.com/.../Ref6-Australia-Code-of-Practi... This is the Code of practice for tunnels under construction. 1.2 Purpose ..... drilling of boreholes or examining existing borehole results. • assessment of ..... The use of PPE to control risks is lowest on the hierarchy of control measures ..... tunnel dimensions or ground conditions vary, and the locations of changes should. Tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as limestone. A vertical opening is usually called a shaft. Tunnels have many uses: for mining ores, for transportation—including road vehicles, trains, subways, and canals—and for conducting water and sewage. True tunnels and chambers are excavated from the inside—with the overlying material left in place—and then lined as necessary to support the adjacent ground. A hillside tunnel entrance is called a portal; tunnels may also be started from the bottom of a vertical shaft or from the end of a horizontal tunnel driven principally for construction access and called an adit. So-called cut-and-cover tunnels (more correctly called conduits) are built by excavating from the surface, constructing the structure, and then covering with backfill. Tunnels underwater are now commonly built by the use of an immersed tube: long, prefabricated tube sections are floated to the site, sunk in a prepared trench, and covered with backfill. For all underground work, difficulties increase with the size of the opening and are greatly dependent upon weaknesses of the natural ground and the extent of the water inflow. https://www.britannica.com/technology/tunnel -------------------------------------------------- Note added at 16 mins (2018-06-10 09:47:16 GMT) -------------------------------------------------- https://www.osha.gov/Publications/osha3115.html Underground Construction (Tunneling) -------------------------------------------------- Note added at 18 mins (2018-06-10 09:49:27 GMT) -------------------------------------------------- The design should include details on the tunnel dimensions and allowable excavation tolerances, the design support and lining requirements for each location within the tunnel and any other requirements for the finished tunnel. The design should also include details for the temporary support, if designed at this stage, or at least the support methods assumed in the design. It should also include information on the excavation methods and ground conditions, including anticipated tunnel deformations, considered in the design. -------------------------------------------------- Note added at 20 mins (2018-06-10 09:51:49 GMT) -------------------------------------------------- you can also write: the minimum/maximum allowed value of the excavation sequence(s) -------------------------------------------------- Note added at 4 days (2018-06-14 11:14:06 GMT) Post-grading -------------------------------------------------- Thank you very much. |
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