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发表于 2025-3-23 10:36:02
Specification of Roads and Pavings,T. chapter covers a wide range of constructional methods adopted in the provision of roads and footpaths. The modern practice is often to refer to roads as ‘pavements’, following American terminology.
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发表于 2025-3-23 16:55:40
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发表于 2025-3-23 22:43:46
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发表于 2025-3-24 02:50:48
Wiener Beiträge zur Islamforschungiety of materials. The specification will also pick up associated operations such as excavation, timbering, backfill, etc., of sewer trenches, concrete protection to pipes and testing pipes. Where large-diameter sewers are to be laid in tunnel, the provision, jointing and grouting of shaft and tunnel segments will probably arise.
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发表于 2025-3-24 07:46:29
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发表于 2025-3-24 11:56:29
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发表于 2025-3-24 18:17:22
Specification of Earthwork,ted material, some jobs require the execution of more specialised forms of excavation work, such as tunnel work and dredging. In addition it is customary to include, under the general heading of ‘Earthwork’, specification requirements covering ancillary works such as timbering and keeping excavations free from water.
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发表于 2025-3-24 21:52:56
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发表于 2025-3-25 01:16:51
Specification of Sewers and Drains,iety of materials. The specification will also pick up associated operations such as excavation, timbering, backfill, etc., of sewer trenches, concrete protection to pipes and testing pipes. Where large-diameter sewers are to be laid in tunnel, the provision, jointing and grouting of shaft and tunnel segments will probably arise.