URBAN TRANSPORT COMPLEX Russian patent published in 2002 - IPC

FIELD: construction engineering, particularly, designs of urban transport complex. SUBSTANCE: urban transport complex includes underground structures constructed under main traffic artery without interruption of traffic in it under complicated mining and geological conditions with cases of presence of loose watered grounds occurring under trough of underground structure and forming its base. Urban transport complex includes main traffic arteries with separate grade crossing, at least, one said artery in zone of crossing located in tunnel made under other main traffic artery without interruption of traffic in it. Tunnel has lining consisting of trough, walls and roofing, exterior protective screen from long members and injection piles located in tunnel base. Novelty consists in that tunnel protective screen is made by working of preliminarily consolidated loose ground and located over entire perimeter of tunnel cross-section and provided with frames discretely located over its entire length. Frames form together with screen and lining a single concrete spatial structure whose lower part forms foundation mat combining injection piles in pile base. Foundation mat is reinforced by lower sections of frame and branch pipes lower parts introduced into foundation mat. They are located in upper part of piles and made of structural material compatible in operation with pile injected material, mainly, of metal. Technical result ensured by the method consists in increase of reliability, economic efficiency and prolonged service life of urban transport complex due to construction of tunnel integral in complex allowing trouble-free operation of urban transport complex, performance of work involved in construction of tunnel as a component of complex without interruption of traffic in overlying main traffic artery; exclusion of deformation of day surface exceeding permissible values that is of prime importance in conditions of dense housing system and complicated mining and geological conditions resulted from presence of loose watered grounds in tunnel base. EFFECT: higher efficiency. 19 cl, 23 dwg