Russia's MMK-METIZ supplies about 50 tonnes of high-strength fasteners for the Lena River Bridge

en.Wedoany.com Reported - On August 25, MMK-METIZ completed the production of about 50 tonnes of high-strength fasteners and shipped them to the Lena River Bridge project in the Republic of Sakha, Russia. The products include bolts and nuts of various strength grades, used for the installation of the bridge's main and auxiliary structures. MMK-METIZ is a metal products enterprise within the MMK Group.

Among them, bolts and nuts of strength grade 10.9 are used for the main span structures of the bridge, while grade 8.8 products are used for auxiliary structure installation. MMK-METIZ's current product catalogue includes high-strength cylindrical head bolts for bridge construction and high-strength hexagon head bolts for metal structures, among other fasteners.

The Lena River Bridge adopts a three-tower cable-stayed structure, with a bridge length of 4.6 kilometres and a total length of 14.5 kilometres including approach roads at both ends. It features 26 piers, 3 of which are located within the river channel; the central tower stands 284.5 metres high, and the two side towers are 194.5 metres high. The project is designed with two lanes and is planned for completion in 2028.

As of late July, the first pier of the left-bank approach bridge had been completed, and 244 of the 920 designed foundation piles had been installed; cofferdams for river piers No. 9 and No. 10 had entered the river channel, while the cofferdam for pier No. 8 continued to be assembled on the left bank. The construction site is equipped with 4 working platforms and 3 concrete mixing stations, with about 350 construction workers and 100 sets of equipment deployed for operations.