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东海大桥风电场二期工程进行了2根1.7 m直径钢管桩的现场水平试验,实测了桩顶荷载-位移关系、桩身变形和桩身弯矩。现场试验结果表明,API规范p-y曲线法计算偏保守,S?rensen修正的p-y曲线计算结果与实测推算结果吻合较好,建议海上风电基础设计应通过细致的地勘或试验,确定符合实际地质特征的p-y曲线或对规范p-y曲线进行修正。
In the second phase of Donghai Bridge Wind Farm, two horizontal tests of 1.7 m diameter steel pipe pile were carried out. The load-displacement relationship, pile deformation and pile bending moment were measured. The field test results show that the API specification of the py curve method is conservative and that of the py curve calculated by S? Rensen is in good agreement with the measured results. It is suggested that the basic design of offshore wind power should be meticulously geologically verified Of the py curve or the specification of the py curve correction.