中国化工贸易
中國化工貿易
중국화공무역
CHINA CHEMICAL TRADE
2014年
4期
160-161
,共2页
超长距离%连续水平定向钻%基坑%方案优化
超長距離%連續水平定嚮鑽%基坑%方案優化
초장거리%련속수평정향찬%기갱%방안우화
long distance%continuous horizontal directional drilling%foundation ditch%optimization of construction scheme
中原-开封输气管道黄河穿越段采用连续水平定向钻穿越，穿越距离超长（9.2 Km），穿越区段黄河摆动范围大，冲刷深度深，定向钻穿越、基坑施工难度大，风险高。本文重点介绍了连续定向钻的设计要点，连续水平定向钻及基坑施工方案的优化，为以后同类工程项目定向钻穿越施工积累了丰富的施工经验。
中原-開封輸氣管道黃河穿越段採用連續水平定嚮鑽穿越，穿越距離超長（9.2 Km），穿越區段黃河襬動範圍大，遲刷深度深，定嚮鑽穿越、基坑施工難度大，風險高。本文重點介紹瞭連續定嚮鑽的設計要點，連續水平定嚮鑽及基坑施工方案的優化，為以後同類工程項目定嚮鑽穿越施工積纍瞭豐富的施工經驗。
중원-개봉수기관도황하천월단채용련속수평정향찬천월，천월거리초장（9.2 Km），천월구단황하파동범위대，충쇄심도심，정향찬천월、기갱시공난도대，풍험고。본문중점개소료련속정향찬적설계요점，련속수평정향찬급기갱시공방안적우화，위이후동류공정항목정향찬천월시공적루료봉부적시공경험。
Central Plains - Kaifeng gas pipeline through the Yellow River section adopt the continuous horizontal directional drilling , the crossing distance is over length (9.2 Km), the swing range across the Yellow River is large, scour depth, the construction of directional drilling, foundation dicth is so difficult , high risk.This paper mainly introduces the design points of continuous horizontal directional drilling, optimization of continuous directional drilling and foundation dicth construction scheme, directional drilling crossing construction has accumulated rich experience in construction for the same type of engineering project.
