Testing and modelling the ductility of buried jetgrout structures

机译：测试和模拟地下喷浆结构的延展性

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Material inhomogeniety and local stress concentrations in buried jetgrout structures are a matter of concern for overall safety and watertightness. Based on various laboratory tests of jetgrout core samples a more or less pronounced material ductility is demonstrated. Several constitutive models to describe the viscous properties are discussed, and the consequences of this more realistic material description are shown with a finite element calculation of an example excavation with jetgrout bottom slab.

机译：埋入式注浆结构中的材料不均匀性和局部应力集中是整体安全性和水密性的一个问题。根据喷射岩心样品的各种实验室测试，证明了或多或少的材料延展性。讨论了描述粘滞特性的几种本构模型，并通过对喷浆底板的示例性开挖进行了有限元计算，从而显示了这种更为真实的材料描述的结果。

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来源
《International Symposium on Geotechnical Measurements and Modelling; Sep 23-25, 2003; Karlsruhe, Germany》|2003年|p.467-473|共7页
会议地点 Karlsruhe(DE)
作者
P. Kudella; P.M. Mayer; G. Moeller;
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作者单位

Institute of Soil Mechanics and Rock Mechanics, University of Karlsruhe, Germany;

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原文格式 PDF
正文语种 eng
中图分类公路运输;
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Testing and modelling the ductility of buried jetgrout structures

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