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Polymer modified waterproofing and pavement system for the High Coast bridge in Sweden: Research, testing and experience
Swedish National Road and Transport Research Institute.
Swedish National Road and Transport Research Institute.
2001 (English)Report (Other (popular science, discussion, etc.))
Abstract [sv]

The High Coast Bridge is one of the world´s longest suspension bridges. The

waterproofing and

pavement for this bridge had to be chosen with care. A lowest average

temperature of -–20°C, a minimum

temperature of -–40°C and a maximum temperature of +30°C have been recorded in

this reigon of


To be able to recommend the most suitable system for the bridge, a research

project was started by the

Swedish National Road Administration as early as 1992. As a result of

research and testing during the

project period, a suitable system for the bridge was suggested by the Swedish

Road Administration in


The waterproofing and pavement system chosen for the High Coast bridge

consists of an epoxy

primer system, an SBS-modified bituminous sheet layer, coarse aggregate

mastic asphalt with SBSmodified

bitumen and split mastic asphalt with SBS-modified bitumen and fibres.

Various waterproofing and pavement producst and systems were tested in the

research project, both

separately and in different combinations for evaluation.

Laboratory testing was performed at the Swedish National Road and Transport

Research Institute

(VTI), starting in 1992. Testing covered characteristics and performance of

the various products and

systems at low and high temperatures. Important parameters studied for total

built-up systems included

adhesion (to steel deck and between layers), shear and sliding resistance.

Systems with SBS-modified bituminous sheet (3.5 mm thick), SBS-modified fine

aggregate mastic

asphalt (4 mm) and conventional fine aggregate mastic asphalt (4 mm) were


In 1993, eight different systems were laid on a steel bridge at Pitsund

(further north than the High

Coast Bridge) for evaluation on site and laboratory testing at VTI.

Fatigue tests of the entire waterproofing and pavement system were performed

for four possible

systems and the reference system at the Otto Graf Institute (FMPA) in

Stuttgart. Testing was performed

in accordance with the German ZTV-BEL ST-92 “Dauerschwellbiegeprüfung”, but

at temperatures from

-–30°C to+3°C.

The public procurement was completed in July 1996. The system was laid during

late summer and

autumn of 1997.

Quality control testing was performed. Samples of all products used were

taken during work on the


Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut., VTI rapport 430A , 2001.
VTI rapport, ISSN 0347-6030
Keyword [en]
English, Sweden, Waterproofing course, Bituminous mixture, Modified bitumen, Polymer, Selection, Bitumen, Epoxy resin, Mastic asphalt, Gussasphalt, Laboratory, Fatigue, Test, Experimental road
Research subject
Road: Highway design, Road: Bridges and retaining walls
URN: urn:nbn:se:vti:diva-6336OAI: diva2:675211
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2013-12-03

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Edwards, YlvaWestergren, Pereric
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