Mechanical transportation system and method for fully-composite assembled subway station prefabricated parts

Abstract

The invention discloses a mechanical transportation system for fully-composite assembled subway station prefabricated parts. The mechanical transportation system is characterized in that a plurality of pre-buried rails extending in the longitudinal direction of a subway station are prefabricated below prefabricated top plates (9) and prefabricated middle plates (16) and used for hoisting electricblocks; the pre-buried rail below each the plate is in but joint with the pre-buried rail below the corresponding adjacent plate to form a whole; the electric blocks slidably hoist the prefabricated parts in the longitudinal direction of the whole pre-buried rails; and the electric blocks of the prefabricated top plates (9) are used for hoisting and mounting prefabricated middle longitudinal beams(15) and the corresponding prefabricated middle plates (16) on the lower layer, and the electric blocks of the prefabricated middle plates (16) on the upper layer are used for hoisting and mounting prefabricated middle longitudinal beams (15) and the corresponding prefabricated middle plates (16) on the lower layer or prefabricated cushion layers (23) of bottom plates on the lower layer. The prefabricated parts below the top plates of a fully-composite assembled subway station are fully-mechanically transported and spliced, investment is saved, the construction period is shortened, and sustainable development and environment-friendly construction are achieved.

Description

technical field [0001] The invention belongs to the field of underground engineering of subway stations, and in particular relates to a fully-composite assembled mechanized transport system for prefabricated components of subway stations. Background technique [0002] Existing underground structure engineering, such as subway station structure, has two structural forms, prefabricated underground structure and full cut-and-cast underground structure, but both have their own defects. To overcome these problems, a fully composite fabricated subway station structure was developed. [0003] However, the following problems exist in the construction process of the fully composite prefabricated subway station: [0004] (1) During the construction process of the fully composite prefabricated subway station, the roof longitudinal beam and roof plate of the station are first hoisted. The prefabricated components below the roof plate need to be hoisted in from the working well, and a s...

AI Technical Summary

Problems solved by technology

The fully composite prefabricated underground station also involves a large number of post-cast reinforced concrete structures, and there are certain difficulties in the transportation of steel bars and other materials

[0005] (2) According to calculations, the weight of a single-piece prefabricated mid-slab exceeds 10t, and the weight of a single-span mid-girder reaches 25t. The interior space of the station is narrow, and it is difficult to realize the horizontal transportation and assembly of the prefabricated components with the mechanical trolleys seen so far.

The development of a new type of mechanical trolley has a long cycle and high cost

[0006] (3) Mechanical equipment is used for the transportation and assembly of prefabricated components, which requires high ground flatness. The collision between prefabricated components and existing components caused by uneven ground will cause great damage, which limits the use of mechanical trolleys

[0007] (4) At present, the pipeline suspension above the subway station and the air duct on the rail top are mostly solved by driving expansion bolts and planting reinforcement, which will cause certain damage to the structure, and it is difficult to ensure long-term reliability in the century-old project

Images