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Method for determining rigidity of spring supports for simulating stress conditions of elastic foundation

A technology of spring support and determination method, which is applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of large amount of calculation, tediousness, and calculation model not conforming to the stress of the structure. clear concept effect

Inactive Publication Date: 2017-05-31
SHANGHAI INVESTIGATION DESIGN & RES INST
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Problems solved by technology

The engineering design shows that these three calculation methods are difficult to truly reflect the actual stress situation of the frame structure on the elastic foundation, and the calculation amount is large and cumbersome, and the calculation results are quite different from the actual stress situation. The main reason is that The calculation model does not conform to the force of the structure

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  • Method for determining rigidity of spring supports for simulating stress conditions of elastic foundation
  • Method for determining rigidity of spring supports for simulating stress conditions of elastic foundation
  • Method for determining rigidity of spring supports for simulating stress conditions of elastic foundation

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Embodiment Construction

[0021] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0022] It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the same time, terms such as "upper"...

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Abstract

The invention provides a method for determining rigidity of spring supports for simulating stress conditions of an elastic foundation. The method includes steps: S1, uniformly distributing the spring supports under a base to realize simulation replacement of the elastic foundation, wherein each spring support is formed by springs; S2, subjecting the base to node division at equal intervals, adopting different pitches according to different part structures and stress conditions of the base, and determining each pitch and the corresponding spring as a unit; S3, determining a settlement value and a top load of the spring of each unit; S4, determining rigidity of the spring supports, wherein k is equal to p / s, k refers to rigidity of the spring supports, p refers to the top load of the spring supports, and s refers to the settlement values of the spring supports. The spring supports are adopted for simulation of base constraint performed by the elastic foundation, the problem of calculation of the structure is effectively solved, and a scientific analysis means is provided for reasonability of hydraulic structure foundation engineering design in engineering application.

Description

technical field [0001] The invention relates to the field of hydraulic structure design, in particular to a method for determining the rigidity of a spring support for simulating the stressed condition of an elastic foundation. Background technique [0002] The frame on the elastic foundation is a commonly used calculation model, such as the water inlet and outlet sections of the pump station, culverts, ship locks and culverts, double-layer sluices, etc., can be simplified to a plane frame on the elastic foundation, which is also the current pump The calculation model recommended in design codes for stations and sluices. For example, the pump room structure with elbow-shaped water inlet channel and straight-pipe water outlet channel can be regarded as a spatial box-shaped structure when performing structural calculation and analysis, because the stiffness of the bottom plate of the pump room is higher than The rigidity of the pier wall is much greater, so it can be consider...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/20
Inventor 王朝晖
Owner SHANGHAI INVESTIGATION DESIGN & RES INST
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