nil sahal, Ph.D.

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research interests

  • Building element design and construction methods

  • Performance and durability of building elements and components

    • Building performance test methods

  • Waterproofing the building envelope

ongoing research

  • Dış Duvar Sisteminin Nem Performansının Değerlendirilmesi (Assessment of Moisture Performance of Exterior Wall Systems) İ.T.Ü. Döner Sermaye İşletmeleri.  July 2005 - ...

 research projects

  • Moisture Management in Exterior Wall Systems-Assessment of Water Penetration and Entry Rates into Wall Cladding, Project No: 212-04, National Research Council Canada (NRCC), Institute for Research in Construction (IRC), 2003.

  • Bina Toprak Altı Dış Kabuk Sistemlerinde Yer Alan Bitümlü Örtülerin Su Geçirimsizlik Performanslarının Belirlenmesi için Bir Yöntem [A Method for Determining the Watertightness Performance Bituminous Membranes Used in External and Internal Tanking], Project No: 1001, Research Fund of Istanbul Technical University, 2001. (Ph.D. Thesis)

  • Mevcut Konutların Rehabilitasyonunda Yapı Dış Kabuğunu Enerji Etkin Yenilenerek Geliştirilmesi [Developing Energy Efficient External Envelope by Retrofitting in Rehabilitation of Existing Residential Buildings], TUBITAK, INTAG/TOKI 223, The Scientific and Technical Research Council of Turkey (TUBITAK), Building Research Group (INTAG), 1997. 

 research project reports

  • SAHAL, A.N., LACASSE, M.A. Experimental Assessment of Water Penetration and Entry into Siding-Clad Wall Specimen.  Internal Report, Institute for Research in Construction, National Research Council Canada, 862,  pp. 56, (IRC-IR-862), 2004.
  • SAHAL, A.N., LACASSE, M.A. Water Penetration of Wall Cladding Overview of Climatic Parameters, Related Test Standards, and Test and Research Facilities.  Internal Report, Institute for Research in Construction, National Research Council Canada, 863,  pp. 84, (IRC-IR-863), 2004.
  • SAHAL, A.N. Bina Toprak Altı Dış Kabuk Sistemlerinde Yer Alan Bitümlü Örtülerin Su Geçirimsizlik Performanslarının Belirlenmesi için Bir Yöntem [A Method for Determining the Watertightness Performance Bituminous Membranes Used in External and Internal Tanking].  Istanbul Technical University, 2001. (Ph.D. Thesis)

  • OZKAN, E., TAVIL, A., ALTUN, C., SAHAL, A.N. Mevcut Konutların Rehabilitasyonunda Yapı Dış Kabuğunun Enerji Etkin yenilenerek Geliştirilmesi [Developing Energy Efficient External Envelope by Retrofitting in Rehabilitation of Existing Residential Buildings].  The Scientific and Technical Research Council of Turkey (TUBITAK), Building Research Group (INTAG), 1997. 

research visits

  • National Research Council Canada (NRCC) - Institute for Research in Construction (IRC) Laboratories, Ottawa, Canada  (2002-2003)

technical visits

  • Fraunhoffer IBP, Holzkirchen, Germany, July 2005 – March 2006.
  • Caparol GmbH, Darmstad, Germany, July 2005 – March 2006.
  • Alsecco GmbH, Gerstungen, Germany, July 2005.
  • BMG Centre for Built Environment, University of Gävle, Sweden, September 2005.
  • Wagner Solartechnic, Germany, November 2005.
  • Saint Gobain Isover G+H, Ladenburg, Germany, November 2005.
  • Betek Industry and Trade Inc., Gebze, Kocaeli, Turkey, 2005.
  • Betek Industry and Trade Inc., Kaynarca, Kocaeli, Turkey, 2005.
  • Cuhadaroglu Metal Industries and Marketing Inc., Test and Control Center, Istanbul, Turkey (2003).