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The rubber pillow in the left corner is higher than the right and has shifted to a segment (in the right corner) that has just been discovered – Photo: CTV
Source of Online youth said the city task force verified the cause of the rubber pillow incident In the VD14-10 viaduct beam under CP2 package, the overhead section of subway line 1 (Ben Thanh – Suoi Tien) went to inspect the site to assess the cause and fix solutions.
In addition to checking the location of the rubber pad drop, the review team also checked various bearings at other locations in this package.
At the inspection session, the experts from the review team Discovered more rubber bushings in the VD12-34 abutment showed signs of collapse, moved compared to the original position. The newly discovered location is in the dock area from the Binh Thai intersection to the Thu Duc intersection.
The members of the review team were Ask contractors and consultants for convincing explanations of the bearing displacement problem, while also requiring solutions to handle this displacement.
The bridge support is a part that connects from the bridge girder to the abutment, which acts as a load bearing and reduces the force of the span structure transmitted to the abutment. Bridge supports help connect less elastic beams and stirrups, creating elasticity …
Before that day On October 30, 2020, the City’s Urban Railways Management Board discovered that a rubber pillow used for the viaduct girder in the VD14 viaduct segment pillar fell off the support rock. The viaduct was built in 2016. This is the position of the CP2 package (the aerial section and the tanks) by Sumitomo – Cienco 6 Joint Venture as general contractor.
Through inspection documents in 2015, it was shown that the weight of the approved bridge bearing is 126.1 kg, but actually installed in the project is only 117 kg. Therefore, the investor requires the general contractor to provide all test results to demonstrate that the installed bearing meets the required technical quality.
Regarding the above incident, the State Council for the Acceptance of Construction Works suggested that the HCMC Urban Railways Management Board review all bridge supports at similar structural locations throughout the route. Ho Chi Minh City has also created a task force to verify the cause.
Close-up of rubber pillow accident on metro line 1
