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2013WinShotcreteEMag

Fig. 9: Museum originators, donors, Polish Minister of Culture, and Mayor of Warsaw with the American President in front of the museum under construction during President Obama’s visit Wall technical parameters: • 2 in. (50 mm) thick at an area of 61,000 ft2 a) Substructure (5700 m2) and 6.30 in. (160 mm) thick at an • Steel structure made of ø10.75 in. (273 mm) area of 4200 ft2 (390 m2) and ø4 in. (100 mm) pipes and reinforced • Fastened to the substructure with ø0.94 in. concrete columns (24 mm) anchors b) Wall structure • 85 ft (26 m) high • Thin-wall curvilinear double-sided, made • External surface finished with unidirectional of independent elements, separated with cut, color of light sandstone, approved joints, of surface area approximately 215 ft2 pattern of joints (20 m2), reinforced with stainless steel bars • Technology: structural dry-mix shotcrete • Total surface area 65,500 ft2 (6090 m2) and architectural through-dyed shotcrete. Wlodzimierz Czajka is 2012 Outstanding the Technical Manager international Project and a member of the Board of Directors of SPB Project Name TORKRET Ltd. From the Museum of the History of Polish Jews beginning of his profes- sional career, he has been Project Location interested in the shotcrete Warsaw, Poland method. He gained extensive experience by Shotcrete Contractor working 13 years in a large construction SPB Torkret LTD* company, where he led the Specialized General Contractor Works Unit. In 1989, together with two Polimex-Mostostal S.A. partners, Czajka established TORKRET Company, specializing in repairs of rein- Architect/Engineer forced concrete structures. For all these Professor Rainer Mahlamaki years, he has been a devoted promoter of Material Supplier/Manufacturer the shotcrete method to designers and inves- SPB Torkret LTD* tors and has proactively participated in national and international symposia and Project Owner City of Warsaw & Ministry of Culture and conferences. He initiates innovative solu- National Heritage tions that allow for implementing the shot- crete method on thin-walled structures in *Corporate Member of the varying applications. American Shotcrete Association Shotcrete • Winter 2013 17


2013WinShotcreteEMag
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