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Abstract:
螺旋锚基础因具有较大的抗拔承载能力而被广泛用作风机、杆塔及其它受循环荷载作用的结构物基础,而目前有关循环荷载作用下螺旋锚的承载特性研究较少。通过土工离心机对密砂中预埋螺旋锚进行单调及循环加载试验,初步探讨埋深比和锚片数量对螺旋锚循环上拔稳定性及承载力的影响。结果表明,在平均循环荷载Q_c~(mean)逐级递增的加载条件下,对于单锚片螺旋锚,达到极限循环抗拔水平Q_(cu)~(mean)时的起始位移u_(apb)与单调加载时的破坏位移up接近;埋深比H/D≤6时,随着埋深比增加,相对极限循环抗拔能力Q_(cu)~(mean)/Q_(mu)逐渐增大,在H/D=6时,Q_(cu)~(mean)/Q_...
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岩石力学与工程学报
Year: 2021
Issue: S1
Volume: 40
Page: 2896-2904
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
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