Method and system for judging instability premonition of deep foundation pit fender post

The invention discloses a deep foundation pit fender post instability precursor judgment method and system. The method comprises steps of a deep foundation pit potential energy model being established; determining the mutual shearing and sliding constitutive relation of the soil bodies and the relat...

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Bibliographic Details
Main Authors FAN YANXIANG, ZHAO HUI, HU ZHENHUI, YUAN CHANGFENG, LI LIANG, JIA YUYUE
Format Patent
LanguageChinese
English
Published 13.04.2021
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
PHYSICS
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The invention discloses a deep foundation pit fender post instability precursor judgment method and system. The method comprises steps of a deep foundation pit potential energy model being established; determining the mutual shearing and sliding constitutive relation of the soil bodies and the relative displacement constitutive relation of the fender posts and the soil; analyzing the influence of underground water outside the foundation pit on the potential energy loss of the ground subsidence soil body, and establishing a sharp point sudden change model according to the relationship and the potential energy of the soil body subsidence loss; fusing the sharp point mutation model with the foundation pit monitoring data to obtain a state variable function; and obtaining a deep foundation pit stability discriminant according to the state variable function, and judging the state of the deep foundation pit through the deep foundation pit stability discriminant. According to the method, the potential energy calcula
Bibliography:Application Number: CN202011636163