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作 者:王仲 Wang Zhong(Shandong Hengjian Engineering Supervision Consulting Co.,Ltd.,Weifang,China)
出 处:《科学技术创新》2023年第7期151-154,共4页Scientific and Technological Innovation
摘 要:针对桥梁项目中对群桩承载性的高要求,以郓城至鄄城高速公路项目为例,建立了高承台群桩基础模型,通过离心试验研究群桩在竖向力作用下的承载特性。从桩身长度、桩身直径以及桩间距三个方面,分析其对群桩承载特性的影响。数据表明,群桩的承载能力随着桩身长度、桩身直径、桩间距的增大而增大;桩端阻力随着桩身长度、桩间距的增大而减小,随着桩身直径的增大而增大。Aiming at the high requirements for the bearing capacity of pile groups in bridge projects,taking the Yuncheng Juancheng Expressway project as an example,a high cap pile group foundation model was established to study the bearing characteristics of pile groups under vertical forces through centrifugal tests.The influence of pile length,pile diameter,and pile spacing on the bearing characteristics of pile groups is analyzed.The data show that the bearing capacity of pile groups increases with the increase of pile length,pile diameter,and pile spacing;The pile end resistance decreases with the increase of pile length and pile spacing,and increases with the increase of pile diameter.
分 类 号:U443.15[建筑科学—桥梁与隧道工程]
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