The foundation template support is not strong, the pouring concrete is too high, the concrete vibration impact, so that the template displacement, resulting in the deviation of the baseline.
2
针对门机大梁以上特点，对梁体模板设计、混凝土浇筑振捣、梁体张拉施工技术难点进行了深入研究。
As to the above characteristics of the gantry crane, the further study has been made for formwork design, concreting and vibrating and girder in tension.
3
混凝土浇筑过程采用正确的振捣方式和经纬仪跟踪监控，保证柱脚螺栓的预埋精度，提高了安装速度。
During concrete pouring, by selecting correct vibrating method and surveying with theodolite, the embedded precision of column bolt is assured and installation speed is improved.
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