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基于灰色系统理论单桩竖向极限承载力的预测

罗建阳 饶秋华

南华大学学报:自然科学版2011,Vol.25Issue(2):95-99,5.
南华大学学报:自然科学版2011,Vol.25Issue(2):95-99,5.

基于灰色系统理论单桩竖向极限承载力的预测

Prediction for Utmost Bearing Capacity of Single Pile Based on Gray System Theory

罗建阳 1饶秋华1

作者信息

  • 1. 中南大学土木工程学院,湖南长沙410075
  • 折叠

摘要

Abstract

According to incomplete data of the single pile on the vertical static loading test, this research aims to predict the vertical utmost bearing capacity of the single pile by GM ( 1,1 ) model of the gray system theory, and to analyze the reasonableness and error of re- sults. Analysis about a practical engineering example indicates that the prediction of the vertical utmost bearing capacity of the single pile by the test data has comparative accuracy when the load reaches or exceeds the utmost bearing capacity of tree-quarters during the vertical static loading test, also the new information GM ( 1,1 ) model and the metabolic GM (1,1) model have more accurate prediction than the old information GM (1,1)model.

关键词

灰色系统理论/GM(1/1)模型/单桩/极限承载力/预测

Key words

grey system theory/GM ( 1,1 ) model/single pile/utmost bearing capacity/prediction

分类

建筑与水利

引用本文复制引用

罗建阳,饶秋华..基于灰色系统理论单桩竖向极限承载力的预测[J].南华大学学报:自然科学版,2011,25(2):95-99,5.

南华大学学报:自然科学版

1673-0062

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