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广汕高铁增江特大桥成功合龙，即将进入全线铺轨阶段_建设_广州_我的网站

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原标题：广汕高铁增江特大桥成功合龙，即将进入全线铺轨阶段9月13日下午，广汕高铁增江特大桥成功合龙，标志着广汕高铁全线重难点工程建设取得了又一个突破性进展。 MIAMI -- A suspended Miami city commissioner who is accused of accepting $245,000 in exchange for voting to approve construction of a sports facility has pleaded not guilty to multiple felony charges, including bribery and money laundering.Alex Diaz de la Portilla did not appear in court Friday, but his attorney, Ben Kuehne, entered the plea for him.Diaz de la Portilla and a co-defendant, Miami attorney William Riley Jr., were arrested Sept. 14.Gov. Ron DeSantis suspended Diaz de la Portilla, who is a fellow Republican, after the commissioner's arrest. Kuehne said Friday that his client was campaigning for the Nov. 7 election to keep his seat on the commission.“We look forward to a vindication of these charges because Alex is not guilty," Kuehne said at the Miami-Dade criminal courthouse, according to the Miami Herald.Kuehne requested that Diaz de la Portilla be tried separately from Riley, WPLG-TV reported.On Friday, Riley's attorney also entered a not guilty plea for his client, who did not appear in court. Riley is accused of being the front for the business that allegedly gave money to the Diaz de la Portilla campaign in exchange for the right to build a sports facility on land that is now a downtown city park.Both men bonded out of jail soon after being arrested, and their next status hearing is Nov. 14. A trial date has not been set.Diaz de la Portilla is a former state legislator and was elected to the city commission in 2019. Investigators said Diaz de la Portilla and Riley accepted more than $15,000 for the Miami-Dade County Court judicial campaign of Diaz de la Portilla’s brother but did not report the money, as required by state law. Riley also controlled a bank account in the name of a Delaware-based corporation to launder about $245,000 in concealed political contributions made by a management services company in exchange for permission to build a sports complex, officials said.Investigators also said Diaz de la Portilla operated and controlled two political committees used both for his brother’s campaign and for personal spending. Records showed one of the committees reported donations of about $2.3 million and the other reported more than $800,000.Diaz de La Portilla and Riley are each charged with one count of money laundering, three counts of unlawful compensation or reward for official behavior, one count of bribery and one count of criminal conspiracy. Diaz de la Portilla is also charged with four counts of official misconduct, one count of campaign contribution in excess of legal limits and two counts of failure to report a gift. Riley is also charged with failure to disclose lobbyist expenses.。

B | 大桥合龙后，设计时速350公里的广汕高铁建设将进入全线轨道铺设阶段。广汕高铁是广东省重点工程之一，起自广州新塘站，终至汕尾站。

C | 广汕高铁增江特大桥成功合龙，即将进入全线铺轨阶段。王建国摄由广铁集团广州工程建设指挥部建设管理、中国铁路广州工程局承建的增江特大桥为双塔双索面混凝土斜拉桥，为广汕高铁关键控制性工程。

D | 大桥位于广州市增城区石滩镇境内，全长2569.480米，桥梁主跨 260米跨越增江水道，主塔采用高100米H型桥塔。主桥在全世界高速铁路斜拉桥建设中首次采用混凝土梁节段预制胶拼法施工，利用混凝土梁体自重大的特点，克服一般斜拉桥受空气流动性影响产生涡振现象，同时采用大型剪力键，提高梁体拼接缝的抗剪力性能。

E | 节段梁拼装通过纵向粗预应力钢棒与粘结胶有效结合，将各节段梁串联成整体而成桥，加大了梁体的刚性，降低了斜拉桥柔性变化特点，提高了高速铁路行车舒适性和安全性。这一创新性技术应用成为国内高速铁路建设的新标杆。广汕高铁增江特大桥成功合龙，即将进入全线铺轨阶段。

F | 王建国摄据广州工程建设指挥部有关负责人介绍，“主桥施工工序繁多，工艺复杂，精度控制要求高，成桥线形不易控制，施工难度高，安全风险大，是一座科技攻关型桥梁。铁路部门于2019年12月专门成立了‘广汕高铁大跨度节段预制拼装混凝土斜拉桥关键技术及智能化研究’重点课题攻关小组，并如期攻克了相关难题。”据悉，主桥节段梁对气温、混凝土质量和浇筑工艺均有严格要求，为确保顺利合龙，广州工程建设指挥部多次组织参建单位开展专题研究，制定增江特大桥合龙施工方案，对施工工艺进行详细分析和优化完善，并选定有利气温时段，最终实现了混凝土一次浇筑成功。广汕高铁联通京广、京港高铁和沿海铁路，是广东省“五纵二横”高速铁路网重要组成部分。广汕高铁建成通车后，广州到汕尾的旅行时间将由目前的2小时压缩到最快40分钟左右。沿线旅客出行将更加方便通畅、舒适便捷，对完善粤港澳大湾区综合交通体系建设，打造广州“1小时经济生活圈”，助推粤东地区加快融入粤港澳大湾区协同发展、促进乡村振兴具有重要意义。采写：南都记者钟丽婷实习生李露莉通讯员林群海柴晶玲返回搜狐，查看更多责任编辑：

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