Waterproofing performance of deep basements


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It should be noted that embedded retaining walls should not be assumed to be generally water tight as complete water tightness is neither practical nor economical. Even cast in-place concrete diaphragm walls with very low permeability can’t be considered completely water tight despite having the least number of vertical construction joints of all embedded retaining wall systems. British Standard BS 8102 clearly highlights the requirement of additional water proofing elements to meet the relevant water proofing levels for embedded retaining walls in general. However, unless the selected retaining wall itself provides adequate (and realistic) water retention, the performance of the additional tanking can be put at risk.

The required performance criteria for fresh tremie concrete to be used for the construction of diaphragm walls, must reach optimal concrete density to fully comply with the expected structural, durability and water proofing performance criteria of the entire basement and this presentation will discuss this topic.

Dr Martin LarischPrincipal Geotechnical Engineer - Golder
He obtained his University Degree in Civil Engineering in Germany, his M.Sc. in Advanced Concrete Technology in Leeds (UK) and has completed his PhD at the University of Queensland where he has been appointed as an Adjunct Associate Professor. 

Martin has worked as a Civil Engineer for some of the leading ground engineering and piling companies in Germany, Australia and New Zealand and has successfully delivered numerous challenging piling, shoring and deep basement projects. In recent years, Martin has been appointed as an independent expert to provide technical and methodology advice for piling and concrete related defects. 


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By purchasing this Online Learning Module, you will have the opportunity to view recorded presentations (video and audio) at your own pace over a 90-day period.

Total viewing time - 60 min