当代化工
噹代化工
당대화공
CONTEMPORARY CHEMICAL INDUSTRY
2014年
12期
2606-2608,2611
,共4页
天然气管道%河流穿越%设计方案
天然氣管道%河流穿越%設計方案
천연기관도%하류천월%설계방안
Natural gas pipeline%Crossing river%Design program
从总体上阐述了天然气管道河流穿越方案的选择原则，穿越工程设计原则，穿越位置选择原则，穿越方式的选择原则，河流穿越方案的设计步骤。总结了长输管道河流穿越的几种主要形式，分析了大开挖穿越，定向钻，顶管穿越，这几种河流穿越方案的适用条件，并结合工程实例，论述了定向钻穿越方法在工程中的应用。
從總體上闡述瞭天然氣管道河流穿越方案的選擇原則，穿越工程設計原則，穿越位置選擇原則，穿越方式的選擇原則，河流穿越方案的設計步驟。總結瞭長輸管道河流穿越的幾種主要形式，分析瞭大開挖穿越，定嚮鑽，頂管穿越，這幾種河流穿越方案的適用條件，併結閤工程實例，論述瞭定嚮鑽穿越方法在工程中的應用。
종총체상천술료천연기관도하류천월방안적선택원칙，천월공정설계원칙，천월위치선택원칙，천월방식적선택원칙，하류천월방안적설계보취。총결료장수관도하류천월적궤충주요형식，분석료대개알천월，정향찬，정관천월，저궤충하류천월방안적괄용조건，병결합공정실례，논술료정향찬천월방법재공정중적응용。
The principle to select gas pipeline river crossing program was illustrated, design principle of crossing river engineering was listed, principles of selecting the crossing position and way were introduced, design steps of river crossing program was illustrated, the main types of crossing river of long distance pipeline including large excavation crossing, directional drilling and pipe jacking crossing were summarized, The applicable conditions of several kinds of river crossing projects were analyzed and summarized, combined with engineering examples. Engineering application of the directional drilling method was discussed.
