Asphalt surfacing on timber bridges

Scharmacher, Florian; Müller, Andreas; Brunner, Maurice Yaw (2014). Asphalt surfacing on timber bridges In: COST Timber bridge conference. Biel/Bienne, Switzerland. 25.-26.09.2014.

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It is difficult to get adequate information about the load-bearing properties of the different asphalt systems which are used for the surfacing of modern timber road bridges. The authors have participated in a research project to investigate the load-bearing behaviour of different, asphalt-based road surfacing systems under service loads. First, suitable material combinations and layer compositions were selected for detailed research. The transfer of horizontal forces through the composite construction was a special research interest. A number of test series was carried out to investigate the adhesion between the surfacing and the timber deck. The test results were comparable to those obtained for surfacing placed on concrete and steel bridge decks. The tests confirm that the requisite bonding strength can be achieved with similar systems such as those used in steel and concrete bridges. Structural recommendations for the practical application are also presented in the paper.

Item Type:

Conference or Workshop Item (Paper)


School of Architecture, Wood and Civil Engineering
School of Architecture, Wood and Civil Engineering > Institute for Timber Construction, Structures and Architecture
School of Architecture, Wood and Civil Engineering > AHB Teaching
School of Architecture, Wood and Civil Engineering > Institute for Timber Construction IHB


Scharmacher, Florian;
Müller, Andreas and
Brunner, Maurice Yaw


T Technology > TH Building construction




Service Account

Date Deposited:

25 Feb 2020 13:28

Last Modified:

25 Feb 2020 13:31

Uncontrolled Keywords:

Asphalt surfacing systems Shear resistance Adhesion tensile strength Blistering Monitoring




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