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Analysis of the importance of steel rope detection from the shaking of Humen Bridge

[release date: 2020-05-15 clicks: 1024 source: Luoyang TST Flaw Detection Technology Co., Ltd. [print this article]   [closing windows] ]

In May 5th, the Humen bridge was abnormal shaking.

More waves, like ups and downs.

Crazy in the afternoon

That day, the Humen bridge closed the bridge.

How is the Humen bridge now?

In May 12th, the Humen bridge management announced the results of the assessment report on the structural safety assessment report of the suspension bridge of the Humen bridge. The results show that the technical condition and bearing capacity of the suspension bridge of Humen bridge remain stable, and the vibration does not affect the structural safety.

The Humen bridge manager said today that the Humen bridge is still in a closed state and will take measures to reduce vibration and improve driving comfort. The opening time of the bridge has not yet been determined.

In the meantime, there was a small interlude: "the reason why the Humen bridge is shaking is that the No. 38 sling wire rope on the upstream side of the bridge is broken, and the old cable is corroded from the inside surface. The cable has been removed and the rust has been found. The main cable inspection shows that the main cable top and bottom of the middle span are seriously corroded, and the main cable location of the middle span and the entrance to the East are all seriously corroded by 3-4 layers. Steel cables. "

Although the Humen bridge manager said the information was not true, the No. 38 sling was completed in 2019. However, the daily inspection of the bridge stayed cables is indispensable.

At present, traditional inspection methods such as steel wire rope, cable-stayed bridge steel rope and elevator steel belt are based on artificial eye, hand touch and caliper, time-consuming and inefficient, artificial detection of inherent unreliability, major accident hidden danger is difficult to find, and wire rope internal wire breaking, rust and other problems, manual detection is difficult to detect.

Luoyang TST Flaw Detection Technology Co., Ltd. adopts the technology of "variable compensation sensor" to completely change the equipment mode and practical quality of wire rope flaw detection in the past. It is simple and convenient to cumbersome and cumbersome. The patent technology of "self balancing synchronous excitation" is reliably integrated to detect and distinguish the hidden troubles and damage degree of wire rope safety, such as internal and external broken wires, local fatigue, wear, corrosion and structural deformation.

TST has never stopped the pace of innovation, adhering to the "technology to make life production safer" business philosophy, 30 years dedicated to ferromagnetic metal components in the field of non-destructive testing, intensive farming, from scratch, has created a great change in the industry.

TST people cherish their dreams, strive for self-improvement, forge ahead and share common prosperity. With science and technology and innovation, they cast the backbone of great power craftsmen and national fabrication.

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