鸿门宴

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。    The president of a Detroit synagogue was found stabbed to death outside her home Saturday morning, police and the synagogue said.The Isaac Agree Downtown Synagogue put out a statement later in the afternoon identifying the victim as board president Samantha Woll.Detroit police responded to a 911 call of an unresponsive person around 6:30 a.m. and found a body outside a home on Joliet Place. The woman, who was not immediately identified by investigators had suffered multiple stab wounds, police said."At this point, we do not have more information, but will share more when it becomes available. May her memory be a blessing," the synagogue said in a Facebook post.In an update shared on Sunday, the Detroit Police chief said in a brief statement that there is no evidence to point to the crime being motivated by antisemitism."The investigation into the death of Ms. Woll remains ongoing. At this time, however, no evidence has surfaced suggesting that this crime was motivated by antisemitism," Chief James White’s statement read.“DPD investigators are working with the FBI to forensically analyze all of the information obtained up to this point in an effort to ascertain the timeline that ultimately led to Ms. Woll's death. Individuals with information that may further this investigation are being interviewed,” his statement continued.Authorities are investigating Woll's death as a homicide, police said on Saturday."Police officers observed a trail of blood leading officers to the victim’s residence, which is where the crime is believed to have occurred," the police said in a statement.The investigation remains ongoing.A law enforcement official briefed on the probe told ABC News that the preliminary investigation has revealed there was likely no forced entry to Woll’s home.Woll's death comes as law enforcement agencies across the country are warning of increased anti-Semitic threats in light of the ongoing Israel-Hamas conflict.Woll had a long career in local politics and worked with several elected officials over the years, according to her LinkedIn page.She recently served as the political director for Michigan Attorney General Dana Nessel's re-election campaign.Nessel released a statement on X, formerly known as Twitter, expressing shock at Woll's murder."Sam was as kind a person as I’ve ever known. She was driven by her sincere love of her community, state and country. Sam truly used her faith and activism to create a better place for everyone," Nessel said in her post which included a photo of Woll.Woll also worked as a deputy district director for U.S. Rep. Elissa Slotkin, D-Mich., who also released a statement on X following her death."She did for our team as Deputy District Director what came so naturally to her: helping others & serving constituents. Separately, in politics & in the Jewish community, she dedicated her short life to building understanding across faiths, bringing light in the face of darkness," Slotkin said.Michigan Gov. Gretchen Whitmer said the state police will be assisting the Detroit Police department in the investigation."My heart breaks for her family, her friends, her synagogue, and all those who were lucky enough to know her. She was a source of light, a beacon in her community who worked hard to make Michigan a better place," she said in a statement.Other Michigan elected officials also expressed their condolences."Decades ago, I shared a day of joy with Sam at the dedication of the newly renovated Downtown Synagogue. It was a project she successfully led with great pride and enthusiasm. Sam’s loss has left a huge hole in the Detroit community," Detroit Mayor Mike Duggan said in a statement to ABC affiliate WXYZ. Woll's funeral was planned for Sunday afternoon, according to WXYZ.Anyone with information is urged to call the Detroit Police's Homicide section at 313-596-2260.ABC News' Ben Siegel and Josh Maroglin contributed to this report. 。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。

B | 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。

C | 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。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。

D | 广汕高铁增江特大桥成功合龙，即将进入全线铺轨阶段。

E | 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。

F | ”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。

G | 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：