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About This Product
■Summary
Aqueduct bridges are dedicated bridge structures used when lifelines such as water supply and sewage systems, which are important for maintaining urban functions, cross rivers, and they must have high durability during their service life so that their functions will not be impaired in the event of a disaster. You can
As a member of the Japan Water Works Steel Pipe Association, we use our extensive technology and experience to provide products that are economical, functional, and aesthetically pleasing. We will also proactively work on maintenance to address aging social capital.
Japan, one of the world's most earthquake-prone countries, is said to have entered a period of earthquake activity after the Hyogo Prefecture Southern Earthquake. At our company, we provide products that protect aqueduct bridges, which are important urban infrastructure and life infrastructure such as water supply and sewerage systems, from earthquake damage and contribute to the creation of a safe and secure society.
■Features
・Conventional bridge collapse prevention devices required installation in two directions, the bridge axis and perpendicular to the bridge axis, but SE Limiter-W can prevent level 2 ground motion in two directions, the bridge axis and perpendicular to the bridge axis, with a single device. It can resist force. Therefore, it is possible to minimize the abutment dimensions in the direction perpendicular to the bridge axis compared to conventional methods. In addition, as in the past, it can be used in conjunction with a PC cable to serve as a bridge collapse prevention device exclusively for the direction perpendicular to the bridge axis.
・In addition to the collapse prevention device for newly constructed aqueduct bridges, it can also be used for seismic reinforcement of existing aqueduct bridges.
・It is also possible to change the shape of non-standard types to match the design load, amount of movement, installation location, and superstructure. (Standard design weight: 50~150kN/travel: 0~150mm)
・Depending on the type of steel used for the aqueduct bridge superstructure, the material can be selected from ordinary steel (SS material, SM material, etc.) and stainless steel (SUS304, SUS316, etc.).
- Hot-dip galvanizing is the standard rust prevention treatment for ordinary steel. For extremely corrosive environments, highly durable anti-corrosion treatments such as Zn-AL pseudo-alloy thermal spraying are also available.
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Product
Bridge collapse prevention system for aqueduct bridges
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