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Information × Registration Number 0305U003400, 0104U000140 , R & D reports Title To lead researches and to develop the design offers on protection of drainage-communication tunnels in Ashgabat (Turkmenistan) from seismic influences popup.stage_title Провести дослідження і розробити проектні пропозиції по захисту дренажно-комунікаційних тунелів у м. Ашгабаті (Туркменістан) від впливу сейсмічних впливів Head Chernyshov Yury Petrovich, Registration Date 05-04-2005 Organization State design and scientific institute of industrial construction Donetsk Promstrojniiproekt popup.description2 On the basis of numerical researches two equivalent on seismic resistance variants of a tunnels design are developed: 1) primary maker from modular ferro-concrete blocks with secondary monolithic ferro-concrete by a shirt; 2) primary maker from modular of ferro-concrete blocks with a metal skeleton. A shirt and skeleton are basic compartment-forming by an element of a tunnel and are separated from primary maker by a seam of sliding. Product Description popup.authors popup.nrat_date 2020-04-02 Close