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Plastic deformation results in the permanent change in an object's shape or size because of the pressure applied on it, which cannot be reversed even after this pressure is removed. Elastic deformation involves a temporary change in an object's shape or size, which self-reverses after force is no longer exerted on it.
Non-limit state earth pressure calculation method based on displacement monitoring
The application discloses a non-limit state soil pressure calculation method based on displacement monitoring and relates to the field of soil pressure calculation.The non-limit state soil pressure calculation method based on displacement monitoring comprises the following steps: S1, data is acquired, and coefficients and calculation standards are preset; S2, displacement sensors are arranged according to arrangement rules, and effective displacement monitoring data is obtained by combining collected data; S3, a non-limit state soil pressure coefficient expression is preset, and a displacement soil pressure constitutive model is established; S4, calculation logic is set, and the non-limit state soil pressure is calculated by substituting the model; S5, a threshold value and a calibration rule are preset, the soil pressure is verified and calibrated, and the non-limit state soil pressure is updated; and S6, condition adaptability matching is performed, and a report is generated.The non-limit state soil pressure full-process calculation system is combined with a constitutive model constructed based on an elastic plastic deformation theory of soil to realize engineering adaptability calculation of the non-limit state soil pressure.
Owner:EAST CHINA JIAOTONG UNIVERSITY