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Reinforced concrete stair sliding support

A technology of reinforced concrete and sliding bearings, applied in the direction of stepped structures, building components, building structures, etc., can solve problems such as the evacuation of people affecting floors, and achieve the effects of reducing self-earthquake damage, clear force transmission, and convenient construction

Inactive Publication Date: 2015-01-14
SUZHOU INDAL PARK DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] At present, stairs serve as an evacuation channel and play a very important function in the entire building. However, in the past experience of earthquake damage, it was found that the earthquake damage of stairs is relatively serious, which seriously affects the evacuation of people on the floor, and the escape channel has become a death channel.

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  • Reinforced concrete stair sliding support
  • Reinforced concrete stair sliding support
  • Reinforced concrete stair sliding support

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Embodiment Construction

[0022] Such as figure 1 As shown, the reinforced concrete staircase of the present invention adopts a substructure 100 independent of the main structure, and connects the ladder board with the main structure in the form of a sliding support. The sliding support 1 is set at the starting position of the stairs, the sliding support 2 is set at the substructure of the stairs, and the sliding support 3 is also the starting point of the step TB of the upper floor. The anti-seismic joint 4 is set between the platform plate PTB1 of the half-floor of the staircase and the main structure; after the anti-seismic joint 4 is set, there will be no adverse effects on the frame column 5 of the main structure by short columns or ultra-short columns. The sliding support takes the form of limiting vertical displacement and releasing horizontal displacement. Both ends of the half-floor platform plate PTB1 of each staircase are supported by short columns TZ1 through beams TL1 and TL2. In this em...

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Abstract

The invention discloses a reinforced concrete stair sliding support. A sub-structure independent from the main body structure is adopted, the sliding support is connected with the gangboard of the main body structure, the sliding support is arranged beneath the starting position of each layer of stair to limit the vertical displacement and release the horizontal displacement; the sliding support is made from embedded steel plates, and graphite powder is arranged between the steel plates. The reinforced concrete stair sliding support disclosed by the invention can be independent from the main body structure to reduce the unbeneficial effects of the main body structure on the stair, and the sliding stair is arranged to release the earthquake force, so as to reduce the damage of the earthquake force to the tunnel escape of the stair.

Description

technical field [0001] The invention relates to the technical field of joint design and construction of reinforced concrete sliding stairs. Background technique [0002] At present, stairs serve as an evacuation channel and play a very important function in the entire building. However, in the past experience of earthquake damage, it was found that the earthquake damage of stairs was relatively serious, which seriously affected the evacuation of people on the floor, and the escape channel became a death channel. Therefore, the stairs should have better anti-seismic performance and be able to function as a safety island and a life passage during an earthquake. Therefore, the substructure system of the stairs can be independent of the main structure and reduce the adverse impact of the main structure on the stairs. Setting sliding stairs can Release the earthquake force and reduce the damage of the earthquake force to the escape passage of the stairs. Contents of the inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04F11/022E04B1/98
Inventor 周慧鑫王干赵建忠黄平施红举赵志明
Owner SUZHOU INDAL PARK DESIGN & RES INST
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