How long is the humber bridge hull

Wind loading is always a factor in the design of large bridges. The Humber Bridge is designed for wind speeds of 47m per second kph or mph on the deck and up to 67m per second kph or mph at the top of the towers. Wind tunnel testing at the National Maritime Institute, Teddington, determined the structure's aerodynamics. Tolls have been levied in both directions from day one.

All the 36mm diameter steel bolts that secure the deck hanger clamps around the cables were replaced in as part of routine bridge maintenance.

There are 2, bolts in all. The red lead paste and galvanised iron wrapping used during construction has not been sufficient to keep water out of the cables. After inspections in , widespread cable corrosion was discovered where water collects at the low points of the catenary, though there were few broken wires. Water had found a way into the voids between wires which can be up to 20 percent of the cross-sectional area of the cables , something not anticipated at design stage.

Pressurised dry air relative humidity 10 percent was blown through the cables, absorbing moisture as it passed. To prevent water becoming trapped, work started at the top of each cable and progressed downwards. A more traditional bridge with multiple spans would restrict the movement of ships, which need to adjust to the shifting bed of the estuary.

Since this estuary is a major port for North Sea ferries traveling to the continent Zeebrugge in Belgium and Rotterdam in the Netherlands , it was important that navigation not be impeded.

The imposing Humber Bridge is 7, feet long. Its center span that allows the vital navigation of ships is 4, feet long. Among the Humber Bridge facts are the statistics of its engineering, including the fact that it can withstand winds up to 80 miles per hour and actually sways and bends as much as ten feet in those winds. How the work was done Engineers constructed the bridge's spans by suspending them from hollow reinforced concrete towers m high.

The Queen opened the bridge on 17 July Malcolm Stockwell Humber Bridge bridgemaster, talking to the Guardian in Fascinating facts The 1. More about this project engineering-timelines. Explore more civil engineering projects. Tower Bridge. Kishore Ramdeen Civil Engineer. Dominic Cronin Civil Engineer. Andy Mitchell Civil Engineer. Anusha Shah Civil Engineer. John Smeaton Civil Engineer. Sakthy Selvakumaran Civil Engineer.

Bryn Noble Civil Engineer. Bianca Wheeler Civil Engineer. Emma Watkins Civil Engineer. The Humber Bridge Board is a statutory body, established by the Humber Bridge Act, and amended through subsequent legislation.

This also includes the statutory roles of Highway and Traffic Authority. The Humber Bridge Act in followed the promotion of a parliamentary bill by the then Kingston upon Hull Corporation. The tolls are used to operate the Bridge, ensure it is maintained in a safe and serviceable condition and to repay the debt of the funding borrowed to construct it. Read more Jobs.