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- Keywords pipeline crossing;river;underwater ditcher;technique; 管道穿越;河流;水下挖沟机;技术;
- The deformation response of Jinin gas pipeline crossing faults is analyzed with Shell FEM. 本文采用壳有限元方法分析了输气管道穿越活动断裂的实际变形反应。
- With concrete measures adopted, the pipeline crossing with directional drilling technique in rocky stratum of middle reaches of Yangtse River succeeded for the first time. 通过具体实施，在长江中游岩石层中首次采用水平定向钻技术穿越原油管道获得成功。
- Aimed at such special topography, serious corresponding technical measures were taken to achieve the pipeline crossing construction at those fault scarps. 针对管道施工中遇到的特殊地形，采取了一系列相应的技术措施，顺利完成了断崖处的穿越施工。文章介绍了这种特殊地形的施工方法。
- Research on mechanical parameters of pipeline crossing by horizontal directional drilling is rare and the engineering is almost designed by experiential method. 水平定向钻管道穿越中力学参数的理论化可为工程实际提供参考。
- The underground pipeline cross interference of city road is an important factor which constrains the whole urban pipeline engineering construction. 城市道路地下管线交叉冲突,是制约整个城市管线工程建设的重要因素。
- According to the practical situation, the large excavation method was used to shift the break-off pipe crossing segment to the altered design altitude, than the buried trench laying method was applied to accomplish remained pipeline crossing. 文章针对这一穿越工程事故,详细介绍了补救施工方法及其关键技术。 根据工程的实际情况,采取大开挖方式将断点处管段返到变更后的设计高程,再采用沟埋敷设法完成剩余管道的穿越。
- West Pipeline crossing Heihe River is the longest crossing project by a large excavation way and the method of laying both crude oil pipeline and products pipeline in a single trench. 黑河是西部管道工程采用大开挖方式穿越的距离最长的河流,原油与成品油管道采用同沟敷设方式穿越该河流。
- Gazprom accused Ukraine of shutting down the fourth and last open pipeline crossing the country while officials at Naftogaz, Ukraine's state energy firm, simply said: "Words fail us. 俄罗斯天然气工业股份公司指责乌克兰关闭了起境内第四个也是最后一个还在运行的管道，而乌克兰的国家能源公司的官员，只是说： “词没有我们。
- In the construction of pipeline crossing these gullies, traditional artificial inclined well approach is often used and has some shortcomings such as low construction efficiency and safety. 单边定向钻具有施工效率高、安全可靠、坡度控制方便准确等优点。
- Based on the geological conditions of the river bed of kaiduhe,Xinjiang,sand liquefaction was identified and evaluated,and an optimal plan of pipeline crossing the kaiduhe river was suggested. 结合新疆开都河河床地质条件，对砂土液化进行判别与评价，提出输油管道通过开都河最佳方案的建议。
- Keywords pipeline steel;DWTT;delamination crack; 管线钢;落锤撕裂试验;分层裂纹;
- Keywords pipeline;joint;evorsion;structure; 管线;接头;涡流冲蚀;结构;
- Where pipelines cross swamps, rivers, or lakes they may be encased in concrete. 油管跨越沼泽地，河流、湖泊时，可以用混凝土管匣套起来。
- Keywords pipeline;ditching;backfill;composition; 管道;挖沟;回填物;成分;
- water supply pipeline crossing river 过河供水管道
- Keywords pipeline engineering;river crossing;hydrotechnological protection;ecotype revetment;construction process; 管道工程;河流穿越;水工保护;生态护岸;施工工艺;
- Keywords pipeline steel;HTP;property;microstructure; 管线钢;HTP工艺;性能;显微组织;
- Keywords pipeline steel DWTT fracture separation shear area; 管线钢;DWTT;断口分离;剪切面积;
- Keywords Pipeline;Pipe stabber;Research;Application; 管道;对管器;研究;应用;
