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IKT

IKT – Institute for Underground Infrastructure

Project W036:
Adhesion properties of short-liners

Posted 01. September 2011
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Short lengths of selected repair systems were tested under external water pressure to examine their potential for sealing pipes against groundwater pressure. Comparative tensile-adhesion tests were undertaken using four short-liner systems on eleven different surfaces in order to determine the factors influencing performance and any need for surface preparation when refurbishing using short-liners. The systems predominantly exhibited good performance, and confirmed that repairs aimed at sealing against external water pressure…

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IKT Comparative Test “Odour filters”

Posted 28. May 2010
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In the summer months, in particular, odour emissions from sewers cause odour nuisances and thus higher levels of complaints from residents. Sewer-system operators are in general obliged to find a remedy for such problems. Odour filters installed in waste-water manholes are coming into increasing use. In addition, further products which release special active ingredients in the waste-water manhole shaft are also used. The aim of this Comparative Test was that…

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IKT Comparative Test “Sewer lateral liners 2010”

Posted 15. May 2010
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IKT has investigated the material quality and practical usability of CIPP liner products for sewer laterals in the context of an extensive programme of tests. Practically orientated tests performed in the test pipes at the IKT’s large-scale test facility were the focus of this programme. The IKT Comparative Test “Sewer lateral liners” provides drain/sewer operators with reliable and impartial information on the product properties of commercially available refurbishing procedures.

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IKT Comparative Test
“Repair methods for main sewers”

Posted 23. August 2009
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Many waste-water system operators are unsure of what can be achieved by main sewer repair methods and what quality is attainable. Twelve different techniques from the three groups of methods: “Injection/grouting + injection methods”, “Short-liners” and “Internal sleeves” have been comparatively tested under defined and replicable conditions using the IKT Comparative Test “Repair methods for main sewers”. The principal focus was the testing of the techniques in IKT test rigs…

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IKT Comparative Test
“Sewer lateral liners 2005”

Posted 22. November 2005
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This IKT Comparative Test assesses the suitability and the practical usability of CIPP liners available on the market for sewer laterals. The central focus is on highly practically orientated comparison of the products, in order to be able to provide waste-water system operators with impartial and technically substantiated information on the strengths, weaknesses and potentials/limitations for use of the products tested. The test programme itself has been developed jointly with…

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IKT Comparative Test
“Inspection systems for site drainage networks”

Posted 24. October 2005
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This IKT Comparative Test clarifies how the various inspection systems for site drainage available on the market meet the demands placed on them and reveals specific strengths and weaknesses in each system. All the systems tested were found to be basically suitable for the inspection of site drainage networks.

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