Abstract
In view of the existing methods of foundation reinforcement considering the deformation of the site and the poor effect of the foundation reinforcement, a method of the foundation reinforcement of a railway logistics center station based on deformation control and thermodynamics is proposed. The basic principle of thermodynamics is introduced, and the influence of temperature on the soil properties of foundation is analyzed. Based on the analysis of the engineering geology and hydrogeological conditions of the site, the deformation of the site is calculated, the bearing capacity of the surrounding environment of the foundation pit to the additional deformation is analyzed, and the reinforcement mechanism of the yard foundation in the railway logistics center is proposed to realize the reinforcement of the yard foundation. The experimental results show that this method can use the least tamping pit filler under the same conditions, with a minimum of 7.34 m3 to realize foundation reinforcement, the maximum ground settlement is only 5.98 mm, and the maximum lateral displacement of pile top is only 6 mm, which can meet the actual requirements and has high practical value.
Highlights
Deformation control is one of the core contents in the design of deformation control for the foundation reinforcement project of a railway logistics center
Due to the high complexity and regional characteristics of the city railway logistics center yard foundation strengthening project, there are a lot of railway logistics center yard foundation strengthening project practices, there is no systematic understanding of its deformation characteristics of theoretical research, coupled with the foundation pit itself is a theory seriously lagging behind the practice of the subject, design, to be more accurate and reliable to predict its deformation is often more difficult
The railway logistics center stack yard foundation reinforcement project is an important part of the construction project
Summary
Deformation control is one of the core contents in the design of deformation control for the foundation reinforcement project of a railway logistics center. Because of the high complexity and regional characteristics of the foundation reinforcement project of the city railway logistics center, there are a lot of practices of the foundation reinforcement project of the railway logistics center in various regions, there is no systematic theoretical research on its deformation characteristics, and the foundation pit project itself is a subject whose theory lags behind the practice seriously; it is often difficult to predict its deformation accurately and reliably in design. Based on the analysis of the engineering geological and hydrogeological conditions of the site, the deformation of the site is calculated, the bearing capacity of the surrounding environment of the foundation pit to the additional deformation is analyzed, the reinforcement mechanism of the station foundation of the railway logistics center is put forward, the reinforcement of the station foundation is realized, and the effectiveness of the design method is verified by experiments
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