Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for confirming internal friction angle of coarse-grained soil under large embedded depth
The invention relates to a method for confirming an internal friction angle of coarse-grained soil under large embedded depth, in particular to a method which belongs to the field of water-power engineering for confirming an internal friction angle of coarse-grained soil under large embedded depth, and provides a method which can confirm an internal friction angle of coarse-grained soil under large embedded depth rapidly and accurately according to coarse-grained soil parameters which can be measured easily. The method comprises the following steps that 1 in-situ mechanical test values are collected; 2 a statistical correlation analysis is carried out on soil body dry density and an average soil body grain diameter; 3 a relational expression of the internal friction angle is established; 4 the soil body dry density and the average soil body grain diameter under the large embedded depth are obtained; 5 the soil body dry density and the average soil body grain diameter are substituted into the relational expression to obtain the internal friction angle. According to a large amount of in-situ mechanical test data of a deep covering layer, by means of the relativity and statistic analysis, an empirical formula between the dry density and the average grain diameter and the internal friction angle of the coarse-grained soil under the large embedded depth is established, the method is scientific, reasonable, simple, convenient and easy to operate, and suitable for holocene and normal consolidated coarse-grained soil under the large embedded depth.
Method for confirming internal friction angle of coarse-grained soil under large embedded depth
The invention relates to a method for confirming an internal friction angle of coarse-grained soil under large embedded depth, in particular to a method which belongs to the field of water-power engineering for confirming an internal friction angle of coarse-grained soil under large embedded depth, and provides a method which can confirm an internal friction angle of coarse-grained soil under large embedded depth rapidly and accurately according to coarse-grained soil parameters which can be measured easily. The method comprises the following steps that 1 in-situ mechanical test values are collected; 2 a statistical correlation analysis is carried out on soil body dry density and an average soil body grain diameter; 3 a relational expression of the internal friction angle is established; 4 the soil body dry density and the average soil body grain diameter under the large embedded depth are obtained; 5 the soil body dry density and the average soil body grain diameter are substituted into the relational expression to obtain the internal friction angle. According to a large amount of in-situ mechanical test data of a deep covering layer, by means of the relativity and statistic analysis, an empirical formula between the dry density and the average grain diameter and the internal friction angle of the coarse-grained soil under the large embedded depth is established, the method is scientific, reasonable, simple, convenient and easy to operate, and suitable for holocene and normal consolidated coarse-grained soil under the large embedded depth.
Method for confirming internal friction angle of coarse-grained soil under large embedded depth
ZHANG SHISHU (Autor:in) / HU JINSHAN (Autor:in) / HUANG RUNTAI (Autor:in) / PENG SHIXIONG (Autor:in) / RAN CONGYAN (Autor:in) / ZHANG ANCHUAN (Autor:in) / FENG JIANMING (Autor:in) / XIE HONGYI (Autor:in) / LIU YONGBO (Autor:in)
07.10.2015
Patent
Elektronische Ressource
Englisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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