Hangzhou Bay Bridge is the longest cross-ocean bridge in the world and the second longest bridge in the world behind the Lake Pontchartrain Causeway in America. It’s 36 km long, shortening the distance between Shanghai and Ningbo by 120 km and reducing the travel time by 1.5 hours.
The Bridge is an S-shaped stayed-cable bridge with six lanes in both directions. You can be quite sure that you will have a smooth ride. This fantastic bridge crossing the Hangzhou Bay is expected to have a 100-year lifespan, service guaranteed with a 100km/h speed limit. This bridge carried about 50,000 vehicles per day in its first year of operation.
Hangzhou Bay Bridge is regarded as one of the most important, not only in China but in the world “for it is not only the longest one (over a sea) but also will be built in the world’s most complicated sea environment, with one of the three biggest tides on Earth, the effect of typhoons and the difficult content of the sea soil”
Facing the complicated sea environment, the bridge should be guaranteed with fast construction speed and reliable construction quality. Self drilling rock bolt is a dependable choice for bridge base construction. Self drilling rock bolt is an effective anchoring method, integrating drilling, grouting and anchoring functions in one operation. The application of self drilling rock bolt will accelerate the construction progress, ensure the construction quality and achieve good economic benefit and social benefit.