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Design analytical method and storing media for antivibrating reinforced structure

A technology of strengthening structure and design analysis, which is applied in the field of storage media for storing program modules, and can solve problems such as the difficulty of quantitative evaluation

Inactive Publication Date: 2002-07-31
NIHONKAI LNG +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] As a conventional seismic strengthening method for braced structures, there is a problem that when the steel When the column base is rigidly connected to the foundation, the support of the column base is changed from a hinged support to a fixed support, and the shear force or bending moment is transmitted to the foundation through a new connection between the column base and the reinforced plate or reinforced concrete
However, it is difficult to quantitatively estimate these factors, and such estimates are based on the designer's experience

Method used

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  • Design analytical method and storing media for antivibrating reinforced structure
  • Design analytical method and storing media for antivibrating reinforced structure
  • Design analytical method and storing media for antivibrating reinforced structure

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Embodiment Construction

[0061] Preferred embodiments of the present invention will be described below with reference to the associated drawings.

[0062]

[0063] The seismic strengthening method applied to the pipe support will be described below with reference to the related drawings. Figure 1A to Figure 1C Shown is the entire structure of the pipe support 1 before reinforcement. Figure 1A is a plan view of a pipe support 1 formed of steel columns 2a (such as H-shaped steel), Figure 1B is the front view of pipe support 1, Figure 1C is a side view of pipe support 1. Each steel column 2a is located on the foundation 3, such as Figure 1B and 1C shown. Beam 2b is fixed between two columns 2a, reinforced by support members 2c.

[0064] figure 2 It is an enlarged view of the lower end side of the unreinforced plinth of the pipe support 1 . image 3 is when from figure 2 When viewed in the direction indicated by the arrow in the figure 2 A view of the connecting parts at the lower end o...

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Abstract

A member of an earthquake-proof reinforcement structure is selected with reference to the allowable stress intensity ratio of the member, a ductility factor ratio allowable as a deformation magnification by earthquake-proof reinforcement of the selected member is set, an increase in load in a plasticity range, which acts on the selected member, is calculated on the basis of the set ductility factor ratio, and a corresponding allowable stress intensity ratio is obtained. When the obtained allowable stress intensity ratio is defined as a maximum value of 1.0, the corresponding increase in load in the plasticity range is specified as an ultimate load at which the selected member collapses.

Description

technical field [0001] The present invention relates to a method for design and analysis of an anti-seismic reinforcement structure for a pipeline support used to support energy transmission pipelines such as in natural gas (LGN) storage equipment plants, and also relates to a storage medium for storing program modules for use in to make the computer run the analysis. Background technique [0002] Human beings have suffered severe earthquake disasters. In recent years, the Great Hanshin-Awaj earthquake in Japan, the Izmit earthquake in Turkey and the Chichi earthquake in Taiwan, and similar earthquakes have disrupted utility lifelines. In particular, in the Hanshin-Awai earthquake in Japan, it took three days to restore power and several months to restore city gas. This makes people realize that it is necessary to conduct a comprehensive study on the safety of public utilities. Recently, various seismic strengthening methods have been studied on the assumption that buildi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/00E04B1/24E04G23/02E04H9/00E04H9/02F16L3/00F17D5/00G06F17/50
CPCG06F17/50E04G23/0218G06F2217/34E04H9/021E04B2001/2463G06F30/00G06F2113/14E04H9/00
Inventor 安在一立川隆吉田圭二郎须藤浩中村友道落合茂
Owner NIHONKAI LNG