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Cross-layer transformation structure and building structural body

A technology for transforming structures and structures, which is applied in the direction of building components, building structures, buildings, etc., can solve the problems of reducing the safety of the overall structure, horizontal lateral stiffness and horizontal shear bearing capacity, etc., to eliminate adverse effects, The effect of eliminating potential safety hazards, structural force and force transmission path is clear

Pending Publication Date: 2020-07-14
TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide a cross-story transfer structure and building structure for the problem that the horizontal lateral stiffness and horizontal shear capacity of the traditional cross-story transfer truss are relatively large and easily reduce the safety of the overall structure.

Method used

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  • Cross-layer transformation structure and building structural body
  • Cross-layer transformation structure and building structural body
  • Cross-layer transformation structure and building structural body

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Experimental program
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Effect test

Embodiment 2

[0083] The conversion layer 100b of the cross-layer conversion structure in the second embodiment is consistent with that in the first embodiment. refer to Figure 4 The truss body 200b includes a first chord body 210b and a second chord body 220b arranged up and down and connected, the first chord body 210b is fixedly connected to the first beam body 110b of the conversion layer 100b, and the second chord body 220b is connected to the The surface of the second beam body 120b of the conversion layer 100b is a slip fit.

[0084] Specifically, the first chord body 210b can bear the load applied to the first beam body 110b, and then transmit it to the main structure 300b, which enhances the vertical load-bearing capacity of the conversion layer 100b. Since the second chord body 220b can slide along the surface of the second beam body 120b, there is no mutual constraint between the two in the horizontal direction, so the truss body 200b will not affect the first beam body 110b of...

Embodiment 3

[0091] refer to Figure 5 , the main structure of this embodiment is consistent with that of Embodiment 2, the difference is that the second string body 220b' includes:

[0092] The chord 221b' is placed in the chute 121b' opened in the second beam body 120b' along the length direction and can move along the chute 121b';

[0093] The sliding support plate 222b' is arranged at the lower part of the chord 221b', and the upper surface of the sliding supporting plate 222b' is attached to the lower surface of the second beam body 120b'.

[0094] In this embodiment, the upper surface of the sliding support plate 222b' is in contact with the lower surface of the second beam body 120b', so that the sliding support plate 222b' and the chord 221b' can move along the The lower surface of the second beam body 120b' slides, and there is no mutual constraint with the second beam body 120b' in the horizontal direction, so that the truss body 200b will not affect the first beam body 110b and...

Embodiment 4

[0101] This embodiment provides a building structure 10 in which the above-mentioned cross-story transfer structure is actually applied, and a cross-story transfer structure 20 is offset in the building structure 10 .

[0102] In order to show the effect of building flexibility, wide opening and wide closing, and reflect the impact of the building, the main structure is canceled on the bottom four floors of the building structure 10, and the cross-floor conversion structure 20 in the above-mentioned embodiment 2 is offset on the fifth floor above the ground to bear the impact. For the structure of the upper part, see Figure 10 . The planar layout of the cross-layer transfer structure 20 is seriously offset in both the X and Y directions, please refer to the accompanying drawings for details.

[0103] When the traditional transfer truss rigid connection scheme is adopted, the shear bearing capacity ratio of the next layer and the transfer layer where the transfer truss is loc...

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Abstract

The invention relates to a cross-layer transformation structure and a building structural body. The cross-layer transformation structure comprises a transformation layer and a truss body, the transformation layer comprises a first beam body and a second beam body arranged on the lower part of the first beam; and the truss body is arranged between the first beam body and the second beam body and used for bearing the load of the first beam body and transmitting the load to a main body structure connected with the truss body, and the truss body can slide along the surface of the first beam body or the second beam body. According to the cross-layer transformation structure, the structural stress and force transmission path are clear, the truss body only bears the vertical load, the transformation layer is not constrained in the horizontal direction, the problems of weak layers and soft layers caused by truss transformation in a traditional rigid connection scheme are solved, the adverse influence on the overall torsional control of the structure is eliminated, thus the requirements of seismic conceptual design can be met without any additional structural strengthening measures, and thecost is saved; and the seismic design conception is clear, and a good seismic conceptual design scheme is achieved.

Description

technical field [0001] The invention relates to the field of building structure design, in particular to a cross-story transfer structure and a building structure. Background technique [0002] In recent years, with the rapid development of my country's social economy, the scale of multi-high-rise buildings has become larger, the building functions have become more diverse, and the architectural shapes have become more complex. Based on this, large-span transition structures are increasingly appearing in the design of building structures to meet the different building function requirements of the upper and lower floors or the complex shape requirements of building facades. Among them, the cross-story transfer truss is the most traditional mainstream solution for long-span transfer or transfer structures with large upper loads. [0003] The traditional cross-story transfer truss chord and the main structure basically adopt a rigid connection scheme, that is, the upper and lo...

Claims

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Application Information

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IPC IPC(8): E04B1/00E04B1/19E04B5/00
CPCE04B1/00E04B1/19E04B5/00
Inventor 刘浩晋张涛孟春光李丰晨
Owner TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD
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