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Solutions of UST Inc. in the field of passenger services

uST transport and infrastructure complexes are able to provide efficient passenger service in cities, as well as between settlements.

Unitsky String Technologies Inc. develops, manufactures, and tests transport and infrastructure complexes with an elevated overpass design. One of the transport and infrastructure solutions of the company relates to the sphere of passenger services.

Product description

The uST transport and infrastructure complex (uST is the name of the technology) consists of a string-rail overpass, rolling stock, an automated control system, and ‘second-level’ infrastructure.

uST transport and infrastructure complexes are able to provide efficient passenger service in cities, as well as between settlements. Uncrewed electric vehicles on steel wheels (uPods) travel above the ground on a string-rail overpass. Due to this, there is no risk of traffic jams, accidents, or collisions with pedestrians or animals. The automated control system monitors the speed of traffic and ensures uninterrupted, round-the-clock operation of the uST complex.

Electric rail cars can reach speeds of up to 150 km/h and service up to 50,000 passengers per hour. The design of uPods allows individual modules to be combined into a single train, with the help of electronic coupling. The number of vehicles in the train and their capacity depends on the expected passenger flow. A string-rail overpass can be laid over existing roads and railways, power lines, residential and industrial areas, and above various obstacles.

Capital expenses and operating costs

The construction of uST transport and infrastructure complexes is distinguished by low capital expenses due to the exclusion of earth mounds, recesses, bridges, interchanges, and culverts.

Features such as the strength and durability of the uST track structure allow for reduced costs of maintaining the complex. The service life of the string-rail overpass, before the first overhaul is required, is at least 50 years. The service life of the rolling stock is 25 years. Due to the automation of the transportation process and high energy efficiency of transport, the expenses for maintenance personnel and the energy consumption of the complex are significantly reduced.

The cost of erecting 1km of uST transport and infrastructure complexes under equal conditions can be reduced by:

  • 50% of the construction cost of 1 km of suspended cable cars
  • 10% of the construction cost of light rail transport systems
  • 3% of the construction cost of 1km of metro

uST technology

uST transport and infrastructure solutions are based on the technology of creating pre-stressed transport overpasses. Their key element is the string rail. It is a continuous-in-length steel, reinforced concrete, or steel-reinforced concrete beam. Stretched strings are located in its core, made from a bundle of steel wires pre-stressed with tension, reinforcing ropes, or rods made of high-strength composite material. The surface of the rail is equipped with a special steel head, along which the steel wheel of the rolling stock moves. This design ensures high evenness and durability of the track. The main horizontal load from stretching falls on the anchor supports. The vertical load is carried by intermediate supports.

Unitsky String Technologies Inc. is an international engineering company that provides design, construction, and maintenance of innovative elevated transportation systems.
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