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Road widening - Forchstrasse - Zürich, Switzerland

Crack Prevention

Country 

Switzerland

Location 

Zürich/ZH

Date 

2014

Situation 

As a result of the necessary pavement rehabilitation, the partly narrow Forchstrasse was widened on both sides of the road to ensure a smooth flow of traffic. The road widening was approx. 0.60 m on both sides, resulting in a pavement joint which is located exactly under the wheel loads. In order to prevent the crack penetration of the joint, the construction joint was reinforced with S&P Glasphalt® G. In addition, all other existing cracks and joints in the base course were also reinforced with S&P Glasphalt® G. To prevent debonding caused by passing vehicles, the asphalt grid was covered manually with an asphalt layer. The work was carried out in 2 stages of approx. 1,200 metres of road length. S&P Glasphalt® G was paved with 8 cm binder course, followed by a 4 cm jointless surface course.

 

Material 

2'981 m2 S&P Glasphalt® G (widths of roll 0.97 / 1.50 / 1.95 m)

Mechanical application of S&P Glaphalt® G with the S&P asphalt unroll equipment along the pavement joint

Finished application over longitudinal joints

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S&P