论文部分内容阅读
大型混凝土构件 (如高层建筑基础的地梁、桩承台等 )在施工过程中可能造成局部松散、空洞、蜂窝或离析等质量问题 ,监理人员希望在不破坏混凝土构件的情况下 ,获得混凝土构件的完整性信息 .通过利用地震映像法 (又称地震共偏移距法 )在裂缝、空洞模型上的试验 ,获得了存在异常体时 ,地震时间剖面的波形特征 .模型实验和在两个高层建筑工地的实测工作证明 :在合理选择震源及各种测量参数的条件下 ,可以用地震映像方法对混凝土构件质量进行监测
Large concrete structures (such as ground girders and pile caps for high-rise buildings) may cause partial loopholes, voids, honeycombs or segregations during construction. Supervisors hope to obtain concrete structures without damaging the concrete structures The integrity of the seismic data is obtained by using the seismic image method (also called seismic co-offset method) on the crack and cavity model to obtain the waveform characteristics of the seismic time profile in the presence of anomalous bodies. The measured work on the construction site proves that the seismic imaging method can be used to monitor the quality of concrete components under the reasonable selection of seismic sources and various measurement parameters