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3 -FOUNDATION UNEVEN
SETTLEMENT CAUSES AND
PREVENTION The paper How to solve the foundation uneven subsidence of the upper structure
deformation produced, cracks, excessive tilt even such negative influence
is collapsed engineering construction and foundation science faces
significant problems. This paper studies the uneven subsidence building
structure foundation for the key causes, the influence of superstructure
and can take control measures, not only in science have important
theoretical significance, but also has significant engineering
application value. L, building structure foundation reviewed uneven
settlement harm, the uneven settlement at home and abroad and its control
on the research status and progress. uneven settlement of
foundation, these factors is the key factor for the uneven settlement
control measures and methods provide basis for the proposed. 2, consider
structure stiffness form mode uneven subsidence foundation, the influence
of upper frame structure. This paper takes a single span four layers
framework for example, application structure analysis software, studies
the foundation SATWE uneven subsidence internal force and deformation of
the upper structure influence. Through two kinds of different structure
stiffness formation model analysis, uneven settlement that foundation
structure stiffness formed by different ways of upper structure, the
influence of the internal force are very different, especially near the
settlement of the axial force point difference is bigger, consider that
once formed the structure