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350results about "Refuge islands" patented technology

Method for constructing subway station by enlarging and digging shield tunnel by adopting mining method

The invention discloses a method for constructing a subway station by enlarging and digging a shield tunnel by adopting a mining method. The method comprises the following steps of: (1) firstly advancing a platform layer tunnel passing through a station by adopting a shield machine; (2) excavating a vertical well to elevation of the platform layer tunnel of the station at one end of the station; (3) constructing along with a tunnel vault and manufacturing a pipe shed, perforating by adopting a large pipe shed advance support and grouting; (4) constructing along with the tunnel vault and manufacturing a sleeve valve pipe, and grouting for complementing and reinforcing; (5) enlarging and digging in the platform layer tunnel by adopting the mining method; (6) dismounting and recovering pipe pieces; and (7) constructing and manufacturing a concrete structure comprising a secondary lining, a platform plate and a rail head wind channel. In the invention, the shield machine participates in construction of the subway station, a cave is firstly excavated, then an underground station is enlarged, excavated and constructed by adopting the mining method, respective advantages of the shield machine and the mining method are fully played, and waste of equipment and underground space resource caused by a special large-diameter shield machine is avoided.
Owner:GUANGZHOU RAIL TRANSIT CONSTR SUPERVISION CO LTD

Quick connect transit boarding platform panel

The present invention relates to a transit boarding platform panel for use along an edge of a transit platform adjacent a track. The panel comprises a molded base portion formed from a reinforced composite polymer, and having a top deck and bottom plate, a first side intended to be adjacent a track at an edge of the transit platform, a second side opposite said first side and intended to be adjacent the transit platform, a first end and a second end, and between the top deck and bottom plate a series of internal support members. The top deck has a detectable warning surface consisting of raised truncated domes detectable by the visually impaired in accordance with Americans with Disabilities Act (ADA): Accessibility Guidelines for Buildings and Facilities. The first and second ends are provided with means to interconnect adjacent panels and to secure the panels to the platform. In a preferred embodiment the means to interconnect adjacent panels and to secure the panels to the platform includes a groove provided on the first end of each panel, said groove sized and shaped to accept a corresponding sized and shaped tongue provided on the second end of an adjacent panel. There is also provided an improved method of installing a transit platform with a series of transit boarding platform panels along an edge of said transit platform adjacent a track.
Owner:ASTRA CAPITAL
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