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The nonlinear FEM was used to obtain the crack length of the foundation surface of the gravity dam, and the linear response surface method based on the orthogonal test design method was used to calculate the reliability, providing a reasonable and simple method for calculating the reliability of the serviceability limit state.
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With better understanding of the quality and physico-mechanical properties of rocks of dam foundation, and the physico-mechanical properties and structure design of arch dam in association with the foundation excavation of Xiluodu arch dam, the excavation optimization design was proposed for the foundation surface on the basis of feasibility study.
In this study, the limit state equation for tensile reliability analysis of the foundation surface of a gravity dam was established.
Common analysis and numerical analysis results demonstrated the feasibility of using the weakly weathered rocks III1 and III2 as the foundation surface of super-high arch dam.
The concrete deck moves horizontally and columns rock on the foundation surface under the excitation of earthquakes.
Using the foundation brush, gently pat the cream foundation onto the surface of the face in an evenly thin layer.
In view of changes in the geological conditions at the dam foundation along the riverbed direction, the design of extending foundation surface excavation area and using consolidating grouting and optimizing structure of dam bottom was introduced, allowing for harmonization of the arch dam and foundation.
Cracks on the bottom surface of the foundation can be seen in Fig. 4.
The contact radius is obtained by requiring that the surface of the foundation satisfies the corresponding continuity equations.
For the in situ tests, the surface clay layer was removed, and the diluvial clay layer was replaced by a rubble mound to reduce the length of the pile above the surface of the foundation deposit.
By estimating the actual surface of the foundation species, we found an increase of surface in both types of aggregations between 1.78- and 6.03-fold.
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CEO of Professional Science Editing for Scientists @ prosciediting.com