Cracking piers Vinh Tuy: Should soon be concluded.

Permanent bridge While crossing the Red line in the ring 2 of the city of Hanoi, with a total investment of more than 5,500 billion, was secured in 2010. However, to date Permanent bridge But appeared more cracks on cylinder H22. This is one of the main piers of the bridge on the river bears Hong Vinh Tuy bridge H22 Head. Is located close to the edge of the Red River in the direction from Leap into Space. Function bears the concrete girder spans two 2 by prestressed cantilever technology.

Head is designed in the style of a cylindrical trunk is straight, cylindrical trunk is empty.

The nail head is mounted on a 2 m diameter bored piles in deep, gentle colours 50 m. At the H22 appeared cracks from the base of the cylinder extended from the middle of tim head up high about 10 m to the Central column in both the piers to the Hanoi Long bien and Separate leg cracks.

Head Office adjacent to the ground in the head office in Hanoi with a width of Rod-finalist, stretched up on top of the head at about 10 mthe lower ground, there is the phenomenon of drip, bulging concrete.

Racks side part especially the Long bien, in addition to the main stretch along the crack between the universes are also many short vertical cracks in the foot space. There is also a cross cracks from near tim head extends upwards, diagonal towards the upper Red River.

Meanwhile, the universe still has smooth surface, no cracks appeared as head H22. Water flow through cracks and handling of the investigation. According to Mr Nguyen, Long bien district in Brief into to the fishing net under Wing But said, right after the Bridge take into secured some time this cracks had appeared.

But recently, the cracks wider, lasting and impervious to water. Before Permanent piers information While appearing of cracks, many people routinely travel through the dangerous levels much anxiety and hoping authorities soon concluded. Mr. Le Van Phuc precinct, in the South, Long bien District said, though not yet know what causes the feeling of anxiety.

Looking forward to your early authorities, announcing to the people walking through here is peace of mind. Mr. Nguyen Quang Tuýnh, Deputy GENERAL DIRECTOR Of the thang Long construction company, contractor identification: cracks at piers of H22 is real. On 18\/2 has had a delegation consisting of the Department of TRANSPORTATION, bridge management unit, construction units and Board trials have to scrutinize.

After reviewing, the Union has concluded the first cracks do not affect the texture of piers. "In addition, we also went slowly in the universe as well as Stringer but has not discovered more cracks. The master in Council trials concluded that cracks do not affect the texture, we hooked up the track in the next time period, "Mr. Tuýnh said. Representatives Of consulting firms to design traffic transported (TEDI-Vinh Tuy bridge design unit), the phenomenon of cracked piers may occur during construction due to thermal stresses from shrinkage joint of concrete.

However, many experts in the field of construction expressed the doubt conclude head cracking due to shrinkage of concrete, as cracks appear vertically from the bottom up in both the head attached to the other cracks with no definite direction. This phenomenon is different from cracking due to shrinkage, as if concrete shrinkage is why only 1 head office is that the universe is still good.

Some experts assert, highway and bridge cracks in cylinder H22 Vinh Tuy bridge was concluded "no effect" is quite level. By just a check ride, hard body to correctly identify the causes of the problem. By which to assert project quality assurance, cracks have effect on the texture of the bridges, you will need Super stick and other technical measures. Fei Long\/VOV-news focus.