news

nanhai.com news on october 1st (reporter wang kangjing) on the morning of october 1st, the opening ceremony of the underpass project of bailong road in haikou was held in haikou. this marks the opening of the project to traffic and will provide services for the central and eastern areas of haidian island and the transportation across the haidian river in the old city area provides more convenient services.

pictured is the scene of the opening ceremony

it is understood that the construction scope of the bailong road underpass project in haikou starts from k0+470 of bailong road, crosses haidian creek to the north and connects to haidian east 3rd street, and ends at haidian east 3rd street-haidian 2nd road. the intersection has a total length of 1051.351 meters. among them, the main line tunnel connects to bailong road on the south side and haidian east third street on the north side. the tunnel continuously passes through changdi road, haidian creek and haidian 1st road. the total length of the buried section of the main line is 390 meters, and the open section is 280 meters long. . in addition, two right-turn underground ramps from binjiang west road to haidian east third street and haidian east third street to changdi road will be set up to connect to the main line of bailong road tunnel from binjiang west road and changdi road respectively. construction content includes: road engineering, tunnel engineering, drainage engineering, structural engineering, electrical engineering, automatic control engineering, construction engineering, hydraulic engineering, traffic engineering, greening engineering, etc.

according to the person in charge of the project party, china communications construction company no. 1 group co., ltd., the project is close to haidian creek, with high groundwater levels, complex geology, and is located in the central city. the surrounding land is maturely developed, densely populated, with frequent activities, and there are pipelines. problems include complex relocation and difficult traffic diversion. during the construction period, the project team organized multiple expert meetings to optimize the construction technology, organized it scientifically, and adopted construction technology such as cofferdam filling, underground diaphragm walls, and swm piles to accelerate the construction of the tunnel structure. at the same time, bim + oblique photography + gis technology was used to achieve the optimal selection of traffic relief plans and complete 16 traffic diversion changes. since the start of construction, under the leadership of the haikou municipal party committee and municipal government, the leaders in charge of the municipal government have conducted in-depth project site surveys and held on-site meetings to efficiently solve problems and accelerate project construction. all participating units organized carefully and consolidated responsibilities to overcome the impact of super typhoon "capricorn", seize the progress of the project, and finally achieve functional opening to traffic.

after the project is opened to traffic, it will mainly serve the cross-river traffic of haidian creek in the central and eastern areas of haidian island and the old city area, easing the traffic pressure on the current cross-river channel. at the same time, it will divert east-west traffic to changdi road and reduce traffic on changdi road. congestion, improving the traffic function and landscape function of changdi road's main road will help make up for the continuity of north-south traffic in the urban area, optimize regional traffic organization, facilitate people's travel, enhance urban vitality, promote the development of land parcels along the line, and further promote haikou city rapid economic development has significant economic and social benefits.