Academic thesis

Eunyeong Hwang: Protection of the marble equestrian statue of Frederick the Great in the castle park of Sanssouci against the settlement of microorganisms (in cooperation with Kari-Ann Tögel) Back
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The marble equestrian stature of Frederick the Great, summer 2014.
   

Marble prepared with titanium dioxide on the roof of the HAWK for free weathering, autumn 2014.
Abstract: The equestrian statue of Frederick the Great in the castle park of Sanssouci, which is highly overgrown with different microorganisms, is getting introduced. The cause of this overgrown is considered as weathering behavior of Carrara marble.
Based on this results a surface protection concept shall be developed, which will increase the intervals of future cleanings. For this, two strategies are pursued. With a suitable handling an equalization of the surface shall be done which will make it more difficult for microorganisms to adhere. In addition to that the fitting-out of the surface with titanium dioxide is getting examined. In case of UVA-light resulting radicals have the ability to inhibit the settlement of microorganisms.
Different structural-physical methods of analysis, microscopic examinations and the recording of the biogenic growth are helpful for the rating of the treatments.

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Keywords: blocking the settlement of microorganisms, equalization of the surface, titanium dioxide, surface protection, selfcleaning surfaces, equestrian statue of Frederick the Great, Carrara marble, marble weathering, examination of surface structure, Chlorophyll activity, examination methods for marble
 
Comparison of a prepared and non-prepared marble surfaces with a protection stain, Laserscan Microscope, 50x magnification.
 
Measure of the chlorophyll activity with puls-amplitude-modulate fluorometry-method on a non-prepared marble tile.
Details:
  • academic institution: HAWK Hochschule für angewandte Wissenschaft und Kunst Hildesheim/ Holzminden/Göttingen
  • kind of theses:  Masterarbeit
  • main Tutor:  Prof. Dr. Karin Petersen
  • assistant Tutor:  Dipl.-Rest. Kathleen Kerth M.A.
  • date:  2015
  • Language:  German
  • pages:  217
  • pictures:  144
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