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《Structural Engineers》 2004-04
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Deformation Calculation and Effect Evaluation of Ground Reinforcement in Deep Excavation

SONG Bo (Shanghai Metro Construction Corporation Ltd.,Shanghai,200031)ZHAO Fuyong (Shanghai Pudong New Area Trans Portation Construction & Development Corporation Ltd.,Shanghai,200127)  
The ground reinforcement is an important measure on the protection of surroundings in deep excavation. There are many ground reinforcement methods. Every method has its own reinforcement effect and economical value. This paper puts forward a deformation calculation method based on the modified horizontal coefficient of subgrade reaction. Takeing a foundation pit of 15m deep as an example,this paper discusses the reinforcement effects and expense in different schemes and construction parameters,and advises a new thought of reinforcement design based on the protection grade and the construction period in deep excavation.
【CateGory Index】: TU470
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