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尾矿管线的平剖面图的设计,必须依据1/1000地形图或1/1000条带状地形图;然后由测量员按照设计在现场放样,这已是无可非议的测施工序,已成为目前施测尾矿管线和其它工程时常用方法。但是它不是尽善尽美的方法之一。仍然还存在着施工中遇到一些预料不到的不利因素出现。如管线正好通过巨岩体露头挡住去路,如果稍微改变一下方向就可以躲开岩体,不至于造成施工中的困难;也有的管线只要少许平移一点距离就能换来减少很长一段距离挖方量;甚至于在实测过程中还可能发现更为理想的管线方案。
The plan of the tailings pipeline must be based on a 1 / 1000th topographic map or a 1 / 1000th zonal topographic map; then the surveyors will designate the site to be lined up according to the design. This is an unquestionable measure and has become the current application Tailings pipelines and other engineering methods commonly used. But it is not one of the perfect ways. There are still some unexpected unfavorable factors encountered during the construction. If the pipeline just blocks the way through the outcrop of the huge rock mass, if you slightly change the direction, you can dodge the rock mass without causing difficulties in construction. Also, some pipelines can be used to reduce the amount of excavation for a long distance with a little shift; Even in the actual measurement process may find a more ideal pipeline program.