来源：中国青年报客户端 施工过程中，技术人员对钻孔垂直度、钻进速度等关键参数进行了全程监测与控制，以保证成孔质量。 该桩基的顺利开钻，为后续同类桩基施工积累了实践经验。按照计划，项目部将继续推进剩余桩基及桥 梁下部结构的施工。 徐民高速单曹段是连接江苏徐州与山东菏泽的重要通道，其建设对完善区域高速公路网络、促进沿线经 济社会发展具有积极作用。黄岗枢纽作为该路段的关键互通工程，建成后将有效提升德上高速与徐民高 速的交通转换效率，缓解区域交通压力。 中国青年报客户端讯（中青报·中青网记者 张真齐）1月19日，徐民高速公路单（县）曹（县）段控制性 工程——黄岗枢纽跨德上高速立交桥项目取得新进展。随着一台旋挖钻机启动，该立交桥的10-4#桩基 正式开钻，标志着工程主体结构施工进入最后的关键阶段。 由中铁九局等单位承建的黄岗枢纽立交桥，是优化鲁西南地区路网布局的重要节点。此次开钻的10-4# 桩基设计深度达66.4米，直径为1.8米，属于技术要求较高的大直径深桩施工。为确保施工顺利，项目团 队在开工前完成了详细的地质补勘、施工方案专家评审及全面的作业人员培训等技术准备工作。 ...

Core Viewpoint - The successful reopening of the De-Da Line at Dongying South Station, constructed by China Railway Construction Corporation, is a significant milestone for the Tianwei High-Speed Railway project, enhancing regional transportation networks and improving transport efficiency [1]. Group 1: Project Details - The newly built Dongying South Station features an elevated station design, spanning the De-Da Line, Huang-Da Line, and Tianwei Line, and has a total construction area of 74,120 square meters, with the station building covering 39,996 square meters [6][14]. - The station consists of two underground levels and four above-ground levels, with a scale of 7 platforms and 20 tracks, designed as a "line-side + elevated" waiting area [14]. Group 2: Construction Challenges and Solutions - The construction faced challenges such as heavy workload, tight timelines, and interference with operational lines, prompting the project team to implement various measures to address the complex construction environment [6]. - Measures included the use of steel protective canopies for full enclosure at De-Da Station, the establishment of a "smart construction site" system for simulation and optimization, graded progress control, emergency material reserves, and a technical task force employing expert consultations and on-site testing to resolve technical issues [6]. Group 3: Strategic Importance - The Tianwei High-Speed Railway is a crucial part of the national "Eight Vertical and Eight Horizontal" high-speed rail network and serves as an auxiliary corridor to the Beijing-Shanghai High-Speed Railway, aimed at strengthening transportation links between Beijing, Tianjin, and the Shandong Peninsula, as well as the Yangtze River Delta region [14].