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Powerful confined concrete core wall with obvious columns and hidden beams

A technology for confining concrete and concrete, applied in the direction of building and building structure, can solve the problems affecting the seismic safety of the core tube structure, the decline of the horizontal bearing capacity, and the poor deformation performance, so as to improve the seismic safety, the horizontal bearing capacity and the The effect of improved deformability and improved seismic performance

Inactive Publication Date: 2013-04-24
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ordinary concrete core tube has deficiencies in seismic performance, which is manifested in that while the core tube bears most of the horizontal seismic action of the structure due to its high stiffness, the brittle nature of the concrete material itself makes it easy to be damaged quickly, resulting in its horizontal The bearing capacity drops rapidly and the deformation performance is poor, which affects the seismic safety of the core tube and even the entire structure

Method used

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  • Powerful confined concrete core wall with obvious columns and hidden beams
  • Powerful confined concrete core wall with obvious columns and hidden beams
  • Powerful confined concrete core wall with obvious columns and hidden beams

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Experimental program
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Effect test

Embodiment 1

[0019] Figure 1 ~ Figure 3 Shown is a frame-column cross-section of a rectangular exposed-column-beam-constrained concrete core. The core tube is composed of concrete walls 1, concrete frame columns 2 and hidden beams 3 in the concrete walls. In the concrete wall 1, the horizontally distributed steel bars 8 and the vertically distributed steel bars 9 of the wall are configured according to conventional methods; the concrete frame columns 2 are arranged at the intersection of the concrete wall 1 in two directions at each corner of the core tube, and the concrete frame columns The horizontal cross-sectional dimensions of 2 are respectively greater than the thickness of the adjacent concrete walls 1 in the thickness direction, forming a rectangular cross-section exposed column protruding from the wall, and the concrete frame column 2 is equipped with concrete frame column longitudinal reinforcement 10 And the concrete frame column stirrup 11, the wall horizontally distributed r...

Embodiment 2

[0021] Figure 4 ~ Figure 5 Shown is a concrete core tube with exposed columns and hidden beams with an L-shaped cross-section of frame columns. The core tube is composed of concrete walls 1, concrete frame columns 2 and hidden beams 3 in the concrete walls. In the concrete wall 1, the horizontally distributed steel bars 8 and the vertically distributed steel bars 9 of the wall are configured according to conventional methods; the concrete frame columns 2 are arranged at the intersection of the concrete wall 1 in two directions at each corner of the core tube, and the concrete frame columns The horizontal cross-sectional dimensions of 2 are respectively greater than the thickness of the adjacent concrete walls 1 along the thickness direction, forming an L-shaped cross-sectional exposed column that protrudes from the wall surface and has an inner concave angle. The concrete frame column 2 is equipped with concrete Frame column longitudinal reinforcement 10 and concrete frame c...

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Abstract

The invention relates to a powerful confined concrete core wall with obvious columns and hidden beams, belongs to the field of civil engineering, and is mainly used for constructional engineering. The powerful confined concrete core wall with the obvious columns and the hidden beams comprises a concrete wall body, concrete border columns and the hidden beams in the concrete wall body. Horizontally distributed reinforcing steel bars and vertically distributed reinforcing steel bars are configured in the concrete wall body, and the concrete border columns are arranged at concrete wall body intersection positions on corner portions of the core wall and are obvious columns protruding out of a wall surface. The hidden beams arranged at height positions of every storey are provided with longitudinal bars and hooping bars and extend along horizontal length direction of the wall body, and two ends of the hidden beams are connected with the concrete border columns to form a spatial confined framework. Steel columns are arranged in the concrete border columns and wall body opening edge components, steel beams are arranged in the hidden beams, and the steel beams are rigidly connected with the steel columns to form a steel frame in the concrete wall. The powerful confined concrete core wall with the obvious columns and the hidden beams has good anti-seismic property and can be popularized in high-rise concrete structure buildings.

Description

technical field [0001] The invention relates to a strongly constrained concrete core tube provided with open columns and hidden beams, belongs to the field of civil engineering, and is mainly used in construction engineering. Background technique [0002] In recent years, the rapid development of my country's economy and society has led to the construction of a large number of high-rise buildings, whose scale and height continue to increase, and the structural system is becoming more and more diverse. Due to its high rigidity, the concrete core tube is widely used in various high-rise building structural systems, and becomes the main body of the structure's lateral stiffness. Therefore, the performance of the core tube is directly related to the performance of the overall structure. For high-rise buildings with anti-seismic requirements, the core tube becomes the first line of defense and key components for anti-seismic fortification. However, the ordinary concrete core tu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/00E04B1/30
Inventor 赵均徐金蓓曾明李月侯鹏程王浩
Owner BEIJING UNIV OF TECH
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