Vinh Phuc: Urgently handle the problem of cracked surface of Ca Lo dike

Specifically, from July 2023, on the Ca Lo – Nam Viem dike route managed by Phuc Yen City People’s Committee, there are a number of sections that have suffered landslides, subsidence, ground subsidence, and dike surface cracks, potentially causing dike safety. thing.

Section 1 from K2+165 to K2+285 is about 120 m long, crack width is about 2-5cm, crack depth is about 10-20cm.

Section 2 from K2+305 to K2+395 is about 90 m long, crack width is about 1-3cm, crack depth is about 10-20 cm.

Section 3 from K2+410 to K2+590 is about 180 m long, the crack width is about 1-4cm, the crack depth is about 10-25cm, there are some special places 35cm deep.

Section 4 from K2+720 to K3+050 is about 330 m long, the crack width is about 3-6cm, the crack depth is about 30-50cm, in some places it is up to 60cm deep; Cracks tend to spread in width, depth and length.

Through preliminary inspection and assessment, it has been shown that the main cause of cracks and subsidence of the dike surface is that the dike line was built a long time ago, due to people living along the dike reinforcing the dike, and the materials and soil for dike embankment are not guaranteed. standards, so there are still many hidden disasters in the dike body.

According to survey data of the geological consulting unit, the dike body has a high content of dust particles (35.2%) and clay particles (31.8%) that easily swells in the presence of water, shrinks in the dry season and tends to crack along the dike.

To avoid unnecessary damage to projects and people, the Provincial People’s Committee assigned Phuc Yen city to maintain and widely notify about the incident situation to all people living in the area. affected area.

Prepare materials, human resources, and means to proactively handle adverse situations; Research temporary reinforcement measures at cracked locations on the dike surface to limit the spread of dike surface cracks when adverse weather conditions occur.

Set up checkpoints, organize traffic flow, and implement measures to ensure traffic safety for people and vehicles participating in traffic on the dike.

Coordinate with relevant units to regularly closely monitor incident developments. In case of detecting a potential safety risk, immediately report to the Provincial Steering Committee for Natural Disaster Prevention and Control and Search and Rescue.

Organize and implement the next steps to handle emergency situations of natural disasters on the Ca Lo – Nam Viem dike according to regulations. Take the lead in coordinating with relevant departments and branches during the implementation process to promptly remove difficulties and obstacles and complete incident handling soon.