A Design Method Based on Continuous Direction-changing Reinforced Concrete Column Structural System

A reinforced concrete column and design method technology, applied in design optimization/simulation, calculation, building construction, etc., can solve problems such as differences, influence structural design, and affect the stress state of components, so as to achieve optimal project cost and ensure feasibility Sexuality, reasonable cross-section and economical effect

Active Publication Date: 2019-09-03
ARCHITECTURAL DESIGN & RES INST OF TSINGHUA UNIV
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  • Application Information

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Problems solved by technology

The vertical stiffness of the inclined column is smaller than that of the ordinary straight column. Under the action of vertical load, the vertical displacement difference between the inclined column and the straight column on the same floor affects the stress state of the component, and the difference in the construction plan will cause the difference in the displacement difference. , which in turn affects the structural design
Therefore, the conventional design method does not consider the influence of the construction process, and is not suitable for the continuous direction-changing reinforced concrete column structure system

Method used

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Embodiment Construction

[0032] Taking an office building as an example, the method of the present invention realizes the design of the reinforced concrete column structure system with continuously changing directions in detail.

[0033] The office building has 8 floors above ground, and the total height of the structure is 36m. The planar column network adopts the column span form of 8.4 meters in width and 7.6 to 13.2 meters in depth. The two middle columns are straight columns or shear walls, and the outer facade columns are oblique columns. The slanted columns on the 5th to 8th floors are inclined inward, and the columns on the 1st floor are V-shaped slanted columns. Such as figure 1 , figure 2 As shown, the design method steps are as follows:

[0034] 1) Establish the structural design model and complete the calculation.

[0035] 2) Adjust the model. The lateral rigidity of the slanted column is relatively large, and the horizontal horizontal stiffness of the structure where the slanted col...

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Abstract

The invention discloses a continuous direction change reinforced concrete column structure system design method. According to the method, structural internal force change caused by different construction schemes is simulated in the structural design process, so that the problem that the systems need to be combined with the construction schemes is solved, and the economic rationality of the structure design and the construction scheme is considered at the same time; vertical deformation displacement indexes are proposed, so that the sections of various components in the systems are reasonable and economic; and by combining the horizontal force and distribution difference of floors, the horizontal force problem is solved by adoption of pre-stressed steel reinforced concrete beams, pre-stressed concrete beams and common steel reinforced concrete beams, and components of the floors are design according to compression-flexure or tension-flexure components according to tension / compression stress values.

Description

technical field [0001] The invention relates to the field of reinforced concrete structures, in particular to a design method for a continuous direction-changing reinforced concrete column structure system. Background technique [0002] With the development of architectural technology, architectural shapes are becoming more and more diverse and complex, and oblique columns are often used partially or in large quantities in buildings. The application of inclined columns makes the mechanical characteristics of the structural system different from that of conventional structures. Slanted columns cause horizontal force on the floor structure, and the continuously changing slope of reinforced concrete slanted columns will cause different magnitudes and distributions of horizontal forces on different floor structures. The vertical stiffness of the inclined column is smaller than that of the ordinary straight column. Under the action of vertical load, the vertical displacement dif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50E04B1/00E04B1/04E04B1/20
CPCE04B1/00E04B1/04E04B1/20E04B2001/0061G06F30/13G06F30/20
Inventor 赵天文杨霄蒋炳丽崔娟庄艺斌
Owner ARCHITECTURAL DESIGN & RES INST OF TSINGHUA UNIV
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