新华社珠海８月７日电（记者 魏蒙）继港珠澳大桥主体工程桥梁工程土建工程施工多项工程签署合同、港珠澳大桥珠海连接线工程动工后，港珠澳大桥岛隧工程首段沉管近日开始在珠海市桂山岛上开始浇筑。广东省委常委、常务副省长徐少华表示，港珠澳大桥各项工程已进入全面施工阶段。

    The xinhua news agency zhuhai on August 7 (Reuters)（Reporter WeiMeng）The Hong Kong, zhuhai and macau bridge the main body of the project of the civil engineering construction bridge engineering, many projects sign the contract、The Hong Kong, zhuhai and macau bridge connecting zhuhai after starting work project，The Hong Kong, zhuhai and macau bridge tunnel first period engineering island sinking pipe have recently started in zhuhai guishan island began pouring。Guangdong provincial party committee of、Standing deputy governor XuShaoHua said，The Hong Kong, zhuhai and macau bridge engineering has entered the overall construction phase。

    据了解，目前港珠澳大桥关键性的岛隧工程已取得重要的节点胜利。港珠澳大桥岛隧工程是大桥主体工程技术最复杂、建设难度最大的部分。工程起于粤港分界线，止于西人工岛结合部非通航孔桥西端，全长约７４４０米，内容包括东人工岛、沉管隧道、西人工岛等。这一工程所涉及的关键技术，均是世界桥梁建设史上要求最高的。

    According to understand，At present the Hong Kong, zhuhai and macau bridge key island tunneling engineering have made important node victory。The Hong Kong, zhuhai and macau bridge tunnel project is the main island bridge engineering is the most complicated、The most difficult part of the construction。Project started in guangdong boundary，Stop taking the navigation building in west! West end，Length of about 7440 m，Content including east island、Sunken tube tunnel、West island, etc。The project involves the key technology，All is the world bridge on the highest demand uia congress would。

    目前，西人工岛、东人工岛都已合龙。东人工岛于日前完成最后１２０立方钢圆筒及副格加高施工任务，这标志着为期近两个月的钢圆筒及副格围堰加高施工结束。

    At present，The new west、East island have closure。East island in finished before the last 120 cubic steel cylinder and vice, heightening the construction task，This marks a nearly two months of steel cylinder and vice, heightening the cofferdam construction over。

    港珠澳大桥岛隧工程的首段沉管管节，也于近期在位于桂山岛的沉管预制厂开始浇筑，预计浇筑时间约需３５小时－４０小时。首段管节预计年底前运往西人工岛沉放安装。

    The Hong Kong, zhuhai and macau bridge tunnel of the first period engineering island sank section tube，Also, in the near future in is located in the island of guishan sinking pipe began casting 2，Construction is expected to time need about 35 hours-40 hours。The first paragraph GuanJie is expected by the end of the island to the west on current installation。

    “如果按照２吨一辆的汽车来计算，一个沉管就相当于３．７万辆轿车的重量，一个运输时两端封闭的沉管的排水量相当于一艘航空母舰。”中国交通建设股份有限公司副总裁陈奋健介绍说。

    “If the two tons of a cars to calculate，A sunken tube is equivalent to the weight of 37000 cars，A transportation ends when closed sunken tube displaces is equivalent to an aircraft carrier。”China's transportation construction Co., LTD. Vice President ChenFenJian introduced said。

    此外，总长约１３公里的港珠澳大桥珠海连接线近期也已正式开工。这一工程起点位于珠澳口岸人工岛，终点与西部沿海高速公路月环至南屏支线延长线连接，采用双向六车道高速公路标准建设，设计行车时速为８０公里。这条连接线虽然不长，但因需修建拱北隧道和穿越将军山的南湾隧道，以及多处的高架桥，使桥梁和隧道的比例达到９５％，总投资达９１．５亿元，平均每公里造价６．８亿元。

    In addition，Presidents of about 13 km the Hong Kong, zhuhai and macau bridge connecting zhuhai recently has been officially commenced。This project is located in the new starting point, zhuhai and macau port，The end and the west coastal highway month ring to nanping regional extension cord connection，By using the two-way six lanes highway construction standard，Design driving speed of 80 miles per hour。This article connections while not long，But because of the need to build the tunnel and through the south bay general mountain tunnel，And many place viaduct，Make Bridges and tunnels to 95% of the，With a total investment of 9.15 billion yuan，Average cost 680 million yuan per kilometer。

    据介绍，港珠澳大桥珠海连接线全程将设３个互通立交，除了南湾立交，还在横琴大桥北端设置横琴北立交，在西部沿海高速公路月环至南屏支线延长线设置洪湾互通立交。届时，从香港过来的车辆可以直接进入横琴新区，或通过洪湾互通进入西部沿海高速，进入广东省的高速公路网。

    According to introducing，The Hong Kong, zhuhai and macau bridge connecting for the zhuhai three exchanging the overpass，In addition to the south bay overpass，Also in northern hengqin bridge set by hengqin north overpass，In the west coastal highway month ring to nanping regional extension cord set hongwan exchanging the overpass。when，The vehicle can come from Hong Kong directly into the new hengqin，Or through the hongwan exchanged into the west coastal high speed，Into the highway system of guangdong province。