PHC桩再利用的碳排放分析-建筑经济 关键词] 既有桩基,PHC桩,碳排放,再利用 [gap=508]Key words: existing pile foundation; PHC pile; carbon emissions; reuse
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Soil unloading and rebound induced by large-scale deep excavation may affect the performance and integrity of existing pile foundation inside the excavation zone. Several instances of pile damage caused by large-scale soil unloading and rebound been reported in literature.
由大面积大深度的基坑开挖引起土体回弹卸荷将对已存在的坑底桩基产生影响,国内外已多次报道由大面积大深度土体卸荷竖向回弹造成的桩基工程事故。
参考来源 - 大面积深基坑开挖过程中桩基受力特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Therefore, it is necessary to take some reinforcing measures to guarantee safety of the tunnel itself and the adjacent existing pile foundation.
并且，邻接施工还将引起既有桩基产生偏向隧道水平方向的“拉伸”变形情况。
In this paper, the mechanical behaviour of a shield tunnel construction in urban metro adjacent to existing pile foundation is studied by using 3d FEM ANASYS numerical simulation method.
针对城市地铁新建隧道近接既有民房桩基的工程情况，进行了三维有限元数值模拟的施工力学行为研究。
Focusing on the existing quality problems for tubular pile foundation of a building project, the process and effect of all kinds of tubular piles were analyzed comprehensively.
针对某大厦工程管桩桩基存在的各类质量问题，全面分析各类管桩的处理过程及效果。
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