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首先，对矩形顶管技术的发展历程及其国内外研究现状进行综述，介绍当前矩形顶管技术主要的应用场景，并结合顶推力预测、注浆减阻、背土效应演化机制和控制对策、顶进过程中的地层响应模式和沉降计算、工作面稳定性评估等关键技术问题，对矩形顶管的理论研究进展进行回顾和讨论。其次，根据矩形断面掘进机的结构形式和切削方式，对国内外矩形顶管掘进机的开发现状及其分类进行介绍。最后，归纳当前矩形顶管在装备及工程应用领域面临...的技术挑战，探讨矩形顶管技术的发展趋势，对矩形顶管装备智能化，矩形曲线顶进，长距离、大断面及复合地层等复杂场景下的矩形顶管技术进行展望。
The development history and current research status of rectangular pipe jacking technology are investigated. The current primary application scenarios for the rectangular pipe jacking technology are presented, and the theoretical investigation of rectangular pipe jacking is reviewed and analyzed in terms of jacking force prediction, grouting effect of drag reduction, back soil evolution mechanism and control countermeasures, jacking strata response pattern and settlement calculation, and working face stability evaluation. Furthermore, the advancements and classifications of rectangular pipe jacking machines are presented based on their structure form and cutting mode. Finally, the current technical challenges of rectangular pipe jacking in the field of equipment and engineering applications are summarized, the development trends of rectangular pipe jacking technology are discussed. The rectangular pipe jacking technology in complex scenarios such as intelligentization, curved jacking, long distance, large cross-section, and composite strata are also explored.続きを見る
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