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A structural design method of a supporting type damper

A technology of structural design and damper, which is applied in the field of structural design of support dampers, can solve the problems such as the inability to effectively exert the anti-seismic effect, and achieve the effect of good energy dissipation and shock absorption, strong applicability and accurate calculation.

Inactive Publication Date: 2019-04-09
NINGBO POLYTECHNIC
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  • Abstract
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Problems solved by technology

However, this scheme cannot well realize that the various parameters of the damping structure are set to the corresponding parameters close to the target damping ratio, which will cause its anti-seismic effect to not be effectively exerted.

Method used

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  • A structural design method of a supporting type damper
  • A structural design method of a supporting type damper
  • A structural design method of a supporting type damper

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Embodiment 1

[0037] This embodiment provides a structural design method of a support type damper, such as figure 1 shown, including steps:

[0038] S101. The total effective damping ratio ξ0 of the preset additional damper structure;

[0039] S102. Assume the size of the mid-generation diagonal brace in the model, and arrange it at the position where additional dampers are required;

[0040] S103. Calculate the structural response of the additional damping structure under the preset total effective damping ratio ξ0 of the structure, obtain the horizontal resultant force F and horizontal displacement ΔUdmax of the equivalent diagonal brace, and estimate the damper according to the horizontal resultant force F and horizontal displacement ΔUdmax of the equivalent diagonal brace Yield force Fdy and yield displacement;

[0041] S104. Determine the size of the actual matching brace of the model, and calculate the additional effective damping ratio ξd of the damper, and obtain the total effecti...

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Abstract

The invention discloses a structural design method of a supporting type damper. The structural design method comprises the steps: presetting the total effective damping ratio Xi0 of the structure of an additional damper is preset; Assuming the size of the equal-generation inclined strut in the model, and arranging the equal-generation inclined strut at the position where the damper needs to be added; Calculating the structure response of the additional damping structure under the preset structure total effective damping ratio Xi0 to obtain an equivalent diagonal bracing horizontal resultant force F and a horizontal displacement delta Udmax, and estimating the yield force Fdy and the yield displacement of the damper according to the equivalent diagonal bracing horizontal resultant force F and the horizontal displacement delta Udmax; And determining the size of a practical inclined strut of the model, and calculating the additional effective damping ratio Xi d of the damper. According tothe invention, the additional damping structure of the building structure is calculated; According to the design, the effective damping ratio of the additional damper structure is calculated, and parameters of the damper are adjusted for iteration until the effective damping ratio of the additional damper structure is close to the target effective damping ratio, so that the number and the model of the damper are determined, calculation is more accurate, and the applicability is higher.

Description

technical field [0001] The invention relates to the technical field of energy dissipation and shock absorption of building structures, in particular to a structural design method of a support type damper. Background technique [0002] According to the latest "China Earthquake Parameter Zoning Map" GB18306-2015 compared with the previous generation of seismic zoning maps, the new generation of seismic zoning maps has appropriately improved the overall anti-seismic fortification requirements in my country, highlighted the collapse resistance standards for buildings, etc., and canceled Unfortified areas provide a scientific basis for comprehensively improving my country's seismic fortification capabilities in the new era, and can better meet the needs of my country's current economic and social development. To popularize and use, "Code for Seismic Design of Buildings" GB50011-2010 has also made clear regulations on how to design energy-dissipating and shock-absorbing structures. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20G06F30/13E04B1/98G06F2119/14G06F2111/10F16F7/00F16F2228/001
Inventor 邱耀邱森
Owner NINGBO POLYTECHNIC
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