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首页> 外文会议>International Structural Engineering and Construction Conference(ISEC-03); 20050920-23; Shunan(JP) >Cracking in multi-axial loading fields for brittle and quasi brittle structures using recent (MN-r_p-σ_θ)
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Cracking in multi-axial loading fields for brittle and quasi brittle structures using recent (MN-r_p-σ_θ)

机译：使用最近的（MN-r_p-σ_θ）在脆性和准脆性结构的多轴载荷场中开裂

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摘要

In this research, the structural elements carrying multi-axial loading may have some cracks within the fields of effects of the multi-axial loading. These types of cracks will need special analytical study for investigating and predicting their effects on the safety of the structural elements. This research is applied for the brittle and quasi-brittle structures. The mechanism of these types of cracks is more complicated. This multi-axial loading may produce a loading field composed of bi-axial tension-tension loading or tension - compression loading or tri-axial loading. These loading fields may produce any of cracking modes with pure single mode such as opening mode sliding mode or tearing mode or may produce mixed modes tension or compression. In this study, a new modeling is introduced with the application of the new theory called (MN-r_p-σ_θ)- theory. The study considered all possible cases of the cracks under loading combination specially the basic problems in biaxial fields since it is the most common and the case of tri-axial can be derived from it.
机译：在这项研究中，承受多轴载荷的结构元件可能在多轴载荷的作用范围内有一些裂缝。这些类型的裂纹需要进行特殊的分析研究，以调查和预测其对结构元件安全性的影响。本研究适用于脆性和准脆性结构。这些类型的裂纹的机理更加复杂。该多轴载荷可以产生由双轴拉伸-拉伸载荷或拉伸-压缩载荷或三轴载荷组成的载荷场。这些加载场可能会产生具有纯单一模式的任何破裂模式，例如打开模式，滑动模式或撕裂模式，或者可能会产生混合模式的拉伸或压缩。在这项研究中，利用称为（MN-r_p-σ_θ）-理论的新理论，引入了一种新的建模方法。该研究考虑了荷载组合下所有可能的裂纹情况，特别是双轴场中的基本问题，因为它是最常见的，并且可以从中得出三轴的情况。

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