西安东站普速场正线顺利开通 据悉，西安东站建成投用后，旅客年发送量预计将达到3650万人次，极大缓解西安铁路枢纽客流压力， 对提升西安在全国铁路网中的区位作用，支撑内陆改革开放新高地建设，推进西部大开发形成新格局等 具有重要意义。(完) 来源：中国新闻网 编辑：徐世明 中新网西安11月19日电 (梅镱泷 张远 焦键)18日晚，随着上行X8611次、下行87030次列车在西安东站普 速场正线顺利交会通过，标志着西北地区特大型铁路综合交通枢纽——西安东站普速场正线顺利开通。 此次线路的开通不仅实现了西康铁路正线接入西安东站普速场的顺利拨接，更为西安东站建设按下"加 速键"，建设进度不断加快。 西安东站位于西安市高铁东城中央商务办公核心区，是集高铁、普铁、地铁、公交于一体的特大型综合 交通枢纽，车场总规模13台27线，其中西渝高速场5台9线，西武高速场4台8线，西康普速场4台10线， 预留城际场。此次开通的正是西康普速场正线线路。 据了解，西康铁路是华北、西北地区进渝入川、连接大西南的干线铁路，每天客、货运列车开行密集。 同时，西康铁路线路横贯西安东站整个站场，给施工带来诸多挑战。为了在不影响西康铁路安全运营的 情 ...

Group 1: Major Achievements in Infrastructure and Exploration - China has achieved historic breakthroughs in major engineering and frontier exploration, including the world's only continuous manned deep-sea diving in the Arctic, the completion of the main structure of Xi'an East Station, and the connection of the longest long-distance heating pipeline in the country [1] Group 2: Arctic Manned Deep-Sea Diving - The Arctic manned deep-sea diving team successfully completed 43 diving missions using the "Fendouzhe" manned submersible, in collaboration with the "Jiaolong" submersible, marking a new model of underwater cooperative operations [2][4] - The team conducted the first manned deep-sea scientific exploration in the Arctic ice zone, reaching a maximum depth of 5,277 meters, and collected valuable samples and observation data to support research on rapid climate change in the Arctic [4] Group 3: Xi'an East Station - The main structure of Xi'an East Station, a key project in China's 14th Five-Year Plan, has been completed, covering a total area of 394,000 square meters and featuring 13 platforms and 27 tracks [5][8] - The station is expected to handle over 36.5 million passengers annually, significantly alleviating passenger flow pressure in the Xi'an railway hub [5] Group 4: Long-Distance Heating Pipeline - The "Liaohuo into Jinan" project, which utilizes waste heat from a power plant in Liaocheng to provide heating for Jinan, has achieved full-line connection, with a total length of 110 kilometers and a diameter of 1.6 meters, making it the longest and largest heating pipeline in China [9][12] - The project is expected to reduce coal consumption by 1.2989 million tons and cut carbon dioxide emissions by 3.564 million tons each heating season, equivalent to the carbon sequestration of four Saihanba forest farms in a year [12]

作为国家铁路网布局中的关键节点，西安东站建筑总规模达39.4万平方米，设13台27线，并预留城际场 接口，真正实现高铁、普铁、地铁、公交等多种交通方式无缝衔接。未来投用后，预计年旅客发送量将 突破3650万人次，成为缓解西安铁路枢纽客流压力的重要引擎。 10月27日上午，我国"十四五"规划重点建设项目西安东站站房主体结构顺利完工。这一里程碑式进展， 标志着这座承载着西北交通新使命的枢纽正加速成型。 （总台记者 吴成轩 何涛） 引人注目的是，此次建成的站房屋盖采用了全国首例山脊组合造型斜交空间管桁架结构，这种创新性设 计不仅赋予建筑独特的视觉效果，更对施工提出极高挑战。为此，建设团队自主研发分区提升方案，通 过精准分段吊装与拼接，不仅施工更安全，还将整体施工效率提升近30%。 ...

Group 1 - The completion of the box girder prefabrication task for the Xi'an to Shiyan high-speed railway marks a significant milestone in the project, with a total of 698 box girders being prefabricated at the only precast yard located in Lintian County, Xi'an [2] - The Xi'an to Shiyan high-speed railway is a crucial part of Shaanxi's high-speed rail network, featuring a total length of 255.7 kilometers and a design speed of 350 kilometers per hour, with five stations along the route [2] - The successful use of the first set of hanging baskets for the construction of the Lanhhe Grand Bridge on the Xiangyu high-speed railway indicates a breakthrough in bridge construction, which is a key challenge in the project [3] Group 2 - The Lanhhe Grand Bridge spans 674.15 meters with a maximum span of 112 meters, featuring piers that exceed 40 meters in height, with the tallest pier reaching 97 meters [3] - The Xiangyu high-speed railway is an important component of China's high-speed rail network, expected to reduce travel time between Xi'an and Chongqing from approximately 6 hours to about 2.5 hours upon completion [3] - The construction of the Xi'an East Station, a major transportation hub, is progressing with the installation of the first box girder, which is part of a larger project that will significantly increase passenger capacity [4] Group 3 - The Xi'an East Station will cover a total area of 394,000 square meters and is expected to handle an annual passenger volume of 36.5 million, alleviating pressure on the Xi'an railway hub [4] - The construction of the Meitai Expressway is underway, with the road surface engineering starting, which is crucial for the completion of the entire expressway [4] - The Meitai Expressway, spanning approximately 75.4 kilometers, will enhance connectivity between the Guanzhong and southern Shaanxi regions, promoting high-quality regional economic development [5]