Repairing landslides on National Highway 14E: It will still take a long time.

DNO - Due to the complex terrain, geological conditions, and large volume of landslides, clearing the road to reopen traffic at kilometer marker 84+400 - 84+850 on National Highway 14E through Phuoc Hiep commune (Da Nang city) will still take a considerable amount of time.

A massive amount of soil, rocks, and trees slid down from the embankment of National Highway 14E onto the road surface. Photo: CONG TU

National Highway 14E, with a total length of 89.7km, connects the coastal area of ​​Binh Minh (Thang An commune) with the Ho Chi Minh Highway (Kham Duc commune). Currently, the section from km15+270 to km89+700 has been handed over by the Da Nang City Department of Construction to Project Management Board 4 (Vietnam Road Administration) for renovation and upgrading.

The embankment slides down the hillside at kilometer marker 84+700. Photo: CONG TU.

Heavy rains lasting from October 26th to November 6th caused landslides at 21 locations along the entire route. The most serious landslides occurred at kilometer markers 66+700 and 84+500 - 84+700 (the section passing through Phuoc Hiep commune), completely blocking traffic.

This situation has isolated six villages with 1,767 households in Phuoc Hiep commune, making travel, transportation of essential supplies, and access to essential medical services extremely difficult. Project Management Board 4 has mobilized the consortium of contractors under package XD03 to concentrate manpower and machinery to clear the debris and urgently reopen the road.

Landslides have cut off Phuoc Hiep commune from the former Phuoc Son district center. Photo: CONG TU

However, due to the continued heavy rain, the cleanup efforts are facing many obstacles. Many sections of road that had just been cleared are quickly buried again.

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Engineer Nguyen Cong Quy, Deputy Director of Construction Package XD03 (Project Management Board 4), said that the unit is mobilizing maximum resources to clear and repair the road, and expects to open one lane through the section from km84+500 to km84+700 on November 10th.

[ VIDEO ] - Contractor's vehicles are working to clear the debris that has spilled onto the road:

However, construction work here faces many challenges due to the very weak geological conditions of the slope. One side is a high cliff, the other is the reservoir of the hydroelectric dam, and the landslide debris is saturated with water, making transportation to another location time-consuming. The management unit has instructed the contractor to complete a temporary road for motorcycles and pedestrians.

Pedestrians and motorcyclists struggle to navigate the temporary road. Photo: CONG TU

According to observations at the scene, a massive amount of soil and rocks slid down from the embankment, spilling onto the road, over a low hill, and directly into the Dak Mi hydroelectric reservoir. The landslide broke power poles, swept away drainage pipes, and completely destroyed a section of the road. It is estimated that more than 100,000 cubic meters of soil and rocks spilled onto the road.

The contractor is taking advantage of favorable weather conditions and mobilizing additional machinery to speed up progress. However, after conducting a site survey, the design consultant discovered a large crack on the hilltop. Experts warn that hastily clearing the underlying soil and rocks could disrupt the support structure, causing a new, larger landslide and further complicating the situation.

The complete fix will take a long time. Photo: CONG TU

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A representative from Project Management Board 4 stated that the unit is coordinating with local authorities to count the trees planted by residents on the hilltop in order to carry out compensation work. Afterward, the units will proceed with leveling the slope to completely address the risk of landslides. Therefore, the official opening date for traffic on this section of the road cannot yet be determined.

The immediate solution is to expand the existing temporary road, using construction waste to reinforce the subsided areas, allowing passenger cars to pass through. The expansion and reinforcement of this temporary road is expected to take about a week to complete.

Source: https://baodanang.vn/khac-phuc-sat-lo-quoc-lo-14e-con-mat-nhieu-thoi-gian-3309651.html