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为解决建筑物在煤层开采过程中受地表移动变形影响的问题,采用有限元分析软件ADINA,选取钢结构建筑厂房作为研究对象,利用覆岩参数建立几何模型,模拟采煤过程中的地表移动对上部建筑物—钢结构厂房的影响.结果表明:钢结构厂房柱的变形主要受垂直方向变形量影响,梁受水平方向变形量影响;在运用ADINA软件模拟过程中,根据具体情况适当简化模型,将各岩层看作厚度均匀、并且不存在断层等造成采空区不连续的因素,得出的变形结果与实际观测值比较差距不大,可以反映工程实际,证明有限元软件ADINA在模拟建筑物受开采沉陷影响的领域是可行的.
In order to solve the problem that the building is influenced by surface movement and deformation during the process of coal seam mining, finite element analysis software ADINA is used to select the steel structure building plant as the research object. The overlying strata parameters are used to establish the geometric model to simulate the movement of surface during coal mining The results show that the deformation of the steel pillar is mainly affected by the deformation in the vertical direction and the beam is affected by the horizontal deformation. In the process of ADINA software simulation, the model is simplified according to the specific conditions, Considering each rock formation as a uniform thickness and without discontinuities such as faults, the result of deformation is not much different from the actual observation value, which can reflect the actual project. It is proved that finite element software ADINA can simulate the building Areas affected by mining subsidence are feasible.