2D-σ程序在某市地裂差异沉降量预测中的应用

    APPLYING FOR. FORECASTING THE RATE OF TAPHROGENIC DIFFEREN-TIAL SETTLEMENT OF A CITY WITH 2D-σ PROGRAM

    • 摘要: 地裂差异沉降可视为有限体系,笔者以西安市为例,根据西安市小寨一铁炉庙地裂差异沉降动态特征,以监测资料为背景予以2D-σ二维有限元分析,进行沉降旋回期或寿命预测,为西安市修建地铁及运营提供参考资料.

       

      Abstract: The process of taphrogenic differential settlement can be regarded as limited system. The authors in this paper,based on dynamic characteristics of taphrogenic differential settlement in geological skilled works' school, Xi'an city, by means of two-dimension limited system theory, processes monitor data and forecasts life circle or life span of settlement.The paper analyzes the affect of taphrogenic differential settlement 45 years later, which come from forecast, on subway tunnel, simulates it which limited system theory incomputer, and make a conclusion of that taphrogenic differential settlement will break subway tunnel 45 years later. Therefore, we must adopt effective measure to limit exploitation of deep pressing groundwater, and strengthen the construction technology and materials of subway tunnel. Thus we can ensure subway move smoothly tomorrow. The paper furnishes the reference material for building subway and it's running.

       

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