Pinglu Canal in south China's Guangxi Zhuang Autonomous Region on Friday saw its cofferdam at the hub nearest to the sea outlet demolished for debugging under flowing-water conditions, to check whether the waterway operation meets the required standards.
Two excavators are currently dismantling the cofferdam at the Qingnian hub to allow downstream water to gradually fill the lock, a process expected to take about one week.
The Qingnian hub is the first of the canal's three hubs to enter the debugging phase. Subsequently, the Madao and Qishi hubs will undergo similar testing after completing dry-out testing to ensure the locks meet the requirements for future navigation.
Engineers noted that multiple rounds of waterless debugging have been conducted over the past month, and all lock systems have met the design requirements.
"During the initial waterless debugging phase, the lock gate was opened and closed dozens of times, and a range of indicators, including system response and operating parameters, met the design requirements. In addition, we installed approximately 725 sensors in key areas such as the gate chamber to track parameters such as stress, vibration, and water pressure on critical equipment, ensuring that the underwater debugging process remains under continuous monitoring," said Pan Jian, chief engineer of Guangxi Pinglu Canal Construction Co., Ltd.
Initiated in August 2022 and scheduled to start operation by the end of 2026, the Pinglu Canal is a flagship project on the New International Land-Sea Trade Corridor, an important trade and logistics passage jointly built by provincial-level regions in western China and ASEAN members.
The canal is slated to receive a planned investment of 72.7 billion yuan (about 10.1 billion U.S. dollars). The 134.2-km-long waterway stretches from the Xijin reservoir in the city of Hengzhou to Qinzhou port in Guangxi.
The canal will facilitate the direct shipment of goods from Guangxi, Yunnan, and Guizhou through the Xijiang river system to ports in the Beibu Gulf of Guangxi, rather than routing them through neighboring Guangdong. This strategic shift is projected to significantly reduce the shipping distance by approximately 560 km.
South China's Pinglu Canal's first cofferdam demolished for underwater debugging
