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Large-span and large-load pre-stress groove-shaped composite slab serving as top plate of basement

A basement roof, large-span technology, applied in the direction of roofs, buildings where cars are parked, building components, etc.

Inactive Publication Date: 2012-08-01
柳忠林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the above problems of the current underground garage and semi-underground garage, to provide a large-span and large-load prestressed groove-shaped laminated plate used as the roof of the underground garage, so as to simplify the building structure, save construction time, save cost, and save land. , especially to save excavation area or save parking spaces, improve the grade of underground garages and semi-underground garages

Method used

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  • Large-span and large-load pre-stress groove-shaped composite slab serving as top plate of basement

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings.

[0012] as the picture shows:

[0013] The present invention is a groove-shaped laminated slab with a span of 12-22 meters, a slab width of about 1.2m, a slab height of about 0.9m, and a bearing capacity of 3-9T / m 2 In between, there may be overlapping marks or reserved exposed steel bars on the surface of the board. In the design and production, prestressed steel strands are used as the main reinforcement on the ribs of the grooved laminated slabs, and the width of the slabs is small, and the shape of the troughs is similar to that of a double T plate, and the flanges on both sides are removed, thereby reducing the height of the ribs. Made of small ribs, embedded steel bars and concrete. Use the conventional method to pour the columns and L beams, break the slab on the L beams, make a cast-in-situ layer on it, and fill the slab joints. If it is necessary to make a f...

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Abstract

The invention discloses a large-span and large-load pre-stress groove-shaped composite slab serving as a top plate of a basement. The composite slab is characterized in that: the composite slab is a groove-shaped plate in appearance; and the groove-shaped plate and an upper part overlapping layer form a functional component. Due to the groove shape and the large load, the requirements on the utilization of an underground garage are met; due to the large span, the parking space can be saved; due to a groove-shaped narrow panel, the construction cost and the layer height are saved; the rib height is moderate, so the requirement on loading capacity and the requirement of forming a ventilating passage on a rib can be met, and the floor height is not increased; and a groove-shaped horizontal ventilating passage is easy to connect. When the composite slab is used on the top plate of the underground garage, the construction period can be reduced, the floor height is reduced, the cost is reduced, column nets are saved, the parking space is increased, and the grade of the underground garage is improved.

Description

technical field [0001] The invention belongs to the field of building materials, and relates to a reinforced concrete laminated load-bearing member, in particular to a large-span and large-load prestressed groove-shaped laminated slab topped with soil and used for a basement slab top running a fire truck. Background technique [0002] The long-span prestressed concrete channel slab is a prefabricated reinforced concrete bearing member combined with beam and slab, which consists of a wide panel and two narrow and high ribs. Its panel is both a transverse load-bearing structure and a compression zone for longitudinal load-bearing ribs. Therefore, long-span prestressed concrete channel slabs have good structural mechanical properties, clear force transmission levels, and simple geometric shapes. They are economical load-bearing components that can be made into large-span, large-load, and large-coverage areas. [0003] At present, in the construction of underground garages and ...

Claims

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Application Information

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IPC IPC(8): E04H6/00E04B7/20
Inventor 柳忠林
Owner 柳忠林
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