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辽宁省高速公路完成本年度“大修”_我的网站

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一 | REHOBOTH BEACH, Del. -- The Biden administration is designating 31 technology hubs touching 32 states and Puerto Rico to help spur innovation and create jobs in the industries that are concentrated in these areas.President Joe Biden is set to announce the hubs on Monday at the White House with Commerce Secretary Gina Raimondo. “I have to say, in my entire career in public service, I have never seen as much interest in any initiative than this one," Raimondo told reporters during a Sunday conference call to preview the announcement. Her department received 400 applications, she said. “No matter where I go or who I meet with — CEOs, governors, senators, congresspeople, university presidents — everyone wants to tell me about their application and how excited they are,” said Raimondo.The tech hubs are the result of a process Raimondo's department launched in May to distribute a total of $500 million in grants to cities.The $500 million came from a $10 billion authorization in last year’s CHIPS and Science Act to stimulate investments in new technologies such as artificial intelligence, quantum computing and biotech. It’s an attempt to expand tech investment that is largely concentrated around a few U.S. cities — Austin, Texas; Boston; New York; San Francisco; and Seattle — to the rest of the country.The program, formally the Regional Technology and Innovation Hub Program, ties into the president's economic argument that people should be able to find good jobs where they live and that opportunity should be spread across the country, rather than be concentrated. The White House has sought to elevate that message and highlight Biden's related policies as the Democratic president undertakes his 2024 reelection bid. “These Tech Hubs will catalyze investment in technologies critical to economic growth, national security, and job creation, and will help communities across the country become centers of innovation critical to American competitiveness,” the White House said Monday in an emailed statement.The 31 tech hubs reach Oklahoma, Rhode Island, Massachusetts, Montana, Colorado, Illinois, Indiana, Wisconsin, Virginia, New Hampshire, Missouri, Kansas, Maryland, Alabama, Pennsylvania, Delaware, New Jersey, Minnesota, Louisiana, Idaho, Wyoming, South Carolina, Georgia, Florida, New York, Nevada, Missouri, Oregon, Vermont, Ohio, Maine, Washington and Puerto Rico.。

二 | 近日，随着沈海高速公路大连方向30公里处施工点位工作结束，2024年辽宁高速公路大规模维修工程全部完工。　　据辽宁交投高速运营公司相关负责人介绍，本次工程涉及全省10条高速公路近4000单车道公里维修里程。工程完工后，全省高速公路通行环境得到极大改善，道路行驶质量、桥梁安全性能和交安设施防护能力等全面提升。　　据介绍，截至2023年底，我省高速公路总里程4409公里，其中通车运营10年以上的达3664公里，占总里程的83.1%。高速公路网路龄结构总体偏长，路况指标处于较快衰减期，设施设备进入大范围更新期。

三 | 作为我省高速公路运营管理部门，高速运营公司虽每年都投入一定的资金等应用于道路养护，但常规养护作业仅能维持其运行基本功能。　　眼下，技术、设备等软硬件更新迭代加速，人民群众美好出行愿望日益强烈，高速公路服务供给能力更需进一步加强和提升。为打造可靠耐久的公路基础设施供给体系，服务公众安全便捷出行，今年，高速运营公司投资21亿元，对我省高速公路实施了创出管养历史之最的大规模路面维修改造工程，即年度内维修规模最大、投资额度最高、实施里程最长、覆盖面积最广。工程于5月15日开工，历时136天，比预计工期提前20天完工。

四 | 在实施过程中，运营公司克服同期实施工程体量大、施工点位众多且分散、边通车边施工等困难，在施工组织、质量控制、安全管理、新技术应用等方面积极采取系列举措，高标准高质量实现了预期目标。

五 | 　　据介绍，此次高速公路大规模维修工程广泛应用新技术新工艺，不但节约了开支，也为行业提供了可借鉴经验。如沈大、丹海、盘海营项目双向484公里施工中，全面应用公司自主研发的“路面旧料精细分离+大比例厂拌热再生”和3D铣刨摊铺技术及工艺，共利用路面旧料35.8万吨，减少砂石开采32.6万吨、新沥青生产1.5万吨，降低碳排放量3.6万吨，降低工程造价7400万元，占工程总造价的6.6%，该技术在全国范围内处于领先水平。责任编辑：李丹。