Journal of Civil,Architectural & Environmental Engineering
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#1Zhimin Wu (NU: Nanjing University)H-Index: 3
#2Zhi Chen (NU: Nanjing University)H-Index: 15
Last. Menghao QinH-Index: 16
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#1Y. Tao (Xi'an University of Architecture and Technology)H-Index: 4
#2Haizhen Zhang (Xi'an University of Architecture and Technology)
Last. Jian Fei ChenH-Index: 39
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运用室内物理模型试验和原位试验,对基于水硬石灰与石英砂浆液的木锚杆锚固系统在夯土介质中进行了拉拔测试与杆体-浆体界面应变监测,研究了该锚固系统的锚固性能与破坏模式、杆体-浆体界面剪应变分布与传递特征。试验结果表明,该锚固系统50 cm 锚固长度可以提供30~45 kN(室内)与16.2~19 kN(现场)的极限锚固力;锚固系统具有较强的延性;在加载进程中杆体-浆体界面的应力分布与传递特征具有单峰值或双峰值分布、界面应力向锚固末端传递、压应力出现在锚固段中末端等特征,表现出复杂的受力特性。研究结果表明,该锚固系统在结构形式和力学性能上适合于夯筑土遗址加固,并与遗址体具有较好的兼容性。
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