Research for Vertical Bearing Characteristics of Top Grouting Jacket Pile Foundation in Clay Foundation [PDF]
[Introduction] The top grouting jacket pile foundation is a new type of foundation application for offshore wind power jackets on clay seabed. Since the grouting section can bear some loads, its stress and deformation mechanism is significantly different
Bo LIU, Can ZHENG, Hexing SONG, Lu XU
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Fractal characteristics of fiber lithium slag concrete cracks under sulfate attack [PDF]
Natural corrosion of concrete structure due to sulfate poses a serious threat to people's lives and property. Therefore, it is of great practical significance to study the phenomenon of sulfate corrosion on concrete.
Guang-tai ZHANG +3 more
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Model Test Study on the Influence of the Spudcan Penetration Depth on the Horizontal Bearing Characteristics of Jack-Up Vessel for Wind Turbine Installation in Sandy Soil [PDF]
[Introduction] As an important construction equipment in the development of offshore wind power, studying the bearing performance of the jack-up vessel for wind turbine installation in the in-situ state to ensure its operation safety is of great ...
Conghuan LE +5 more
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Brief Analysis of the Development of Mechanical Research and Trends of Grouted Connection of Offshore Wind Turbine [PDF]
[Introduction] The connection between offshore wind turbine foundation and superstructure is usually made by grouting. It is crucial to ensure the safety of the grouted connections, and the study of grouted connections is always a key and difficult point.
Kan LIAO, Ke CHEN, Li ZHANG
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Research on Bearing Capacity of Angle Steel Transmission Tower Subject to Parallel Reinforcement by Fitting Channel Steel [PDF]
[Introduction] The existing angle steel transmission tower has been running for many years, and the structural damage leads to the reduction of service performance.
Donghong ZHANG +4 more
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钢结构中存在着残余应力,严重影响构件或节点刚度及极限承载力。利用有限元实体模型,通过预定义场功能引入煨弯钢管工艺中产生的热弯残余应力分布。考虑拱脚支承形式、荷载形式、长细比3个因素,研究了热弯残余应力对圆钢管拱结构平面内极限承载力的影响。通过分析得出:不同支承形式和荷载形式下热弯残余应力对钢拱平面内极限承载力的影响在3%以内,当均布荷载作用时热弯残余应力会使钢拱提前进入弹塑性阶段;当正则化长细比在1.30~1.70之间时,热弯残余应力对钢拱平面内极限承载力的影响最为明显,可降低9%。
芦燕, 宋浩然, 韩庆华
doaj
Bearing performance of wallboards in an electrostatic precipitator casing in consideration of stressed skin effect [PDF]
For a wallboard in an electrostatic precipitator casing playing stressed skin effect under vertical uniform pressure on the top, the failure mode and bearing capacity were investigated by nonlinear finite element method.
PAN Li-cheng +5 more
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为研究不锈钢槽式预埋组件在剪力作用下的破坏模式和承载性能,完成了3组9个带混凝土基材的不锈钢槽式预埋组件试件受剪试验。试验结果表明,平行受剪工况下破坏模式为齿牙剪切破坏,垂直受剪工况下破坏模式为混凝土边缘破坏及槽道卷边受弯破坏。在试验的基础上,通过ABAQUS软件建立了有限元分析模型,并验证了模型的准确性。通过数值分析研究了齿牙尺寸、混凝土强度、边缘距离、锚件中心线间距及预埋槽道有效埋深等参数对极限承载力的影响。结果表明,平行受剪工况下,平齿型槽道的齿牙个数、宽度及厚度的增加均可提高极限承载力 ...
郑勇 +5 more
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Application Analysis of CPTU Method for Jacket Large Diameter Short Pile Axial Bearing Capacity [PDF]
[Introduction] At present, in China's offshore wind power projects, with the gradual development of the far-reaching sea, the most commonly used foundation structure of wind turbine is the pile foundation, and the most commonly used superstructure is the
Liji WANG
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为研究大直径复合绝缘子承载力特性及法兰胶装节点破坏过程,建立基于内聚力材料模型(CZM)的复合支柱绝缘子法兰胶装节点精细化有限元模型,模拟法兰节点区域在弯矩荷载作用下的破坏,并分析结构参数对大直径复合绝缘子承载能力的影响。分析结果表明,大直径复合绝缘子承载过程分为套管线性承载阶段和法兰节点非线性承载阶段,胶装节点脱粘破坏后,复合套管有竖直向上滑移的趋势,胶装处裂缝宽度为4.13 mm。大直径复合绝缘子线性阶段极限承载力35.1 kN,粘结层完全破坏时极限承载力为46.5 kN ...
张若愚, 曹枚根, 李惠庸
doaj

