索塔锚固区的受力分析通常采用实体有限元单元进行,然而由于其结构复杂、种类繁多,不易被一般工程设计人员使用。为此,结合某斜拉桥的实际工程案例,分析了内置式钢锚箱锚固体系的传力特点,提出了一种基于平面框架理论的简化计算方法,并利用非线性的分析方法建立了锚固区ANSYS有限元模型以修正公式。结果表明修正前简化公式计算结果与有限元模型计算结果之间的误差在10%左右;考虑到塔壁厚度、索塔计算高度以及锚箱侧板厚度的影响,使用折减混凝土弹性模量的方法来补偿和修正桥塔应力分布 ...
秦国璋 +4 more
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[Comparison of femoral oval tunnel technique and round tunnel technique in single-bundle anterior cruciate ligament reconstruction]. [PDF]
Wen Z +8 more
europepmc +1 more source
[Arthroscopic treatment of anterior cruciate ligament tibial eminence avulsion fracture with double heads compressive cannulated screw fixation in adolescents]. [PDF]
Liu J, Yue Y, Li Z.
europepmc +1 more source
[Application of temporomandibular joint dics reduction in the operation of condylar sagittal fracture]. [PDF]
Wenli Z +4 more
europepmc +1 more source
[Evolving concept in treatment of intertrochanteric fractures and development of internal fixation devices]. [PDF]
Li J, Zhang L, Tang P.
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[All-arthroscopic reduction and fixation of Pipkin type <b>Ⅰ</b> and <b>Ⅱ</b> femoral head fractures]. [PDF]
Lü J, Wang H, Chen L, Ni Q.
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对2根螺栓连接波纹腹板钢梁试件进行疲劳试验研究,获得了钢梁试件的疲劳性能指标以及失效破坏形态,分析了钢梁截面的应力分布以及循环荷载作用下的应力和刚度变化。汇总现有的焊接波纹腹板钢梁疲劳试验结果,比较分析了焊接钢梁与螺栓连接钢梁的疲劳寿命差异。采用有限元软件ABAQUS建立了螺栓连接波纹腹板钢梁的精细数值模型,根据疲劳试验结果验证了数值模型的准确性。利用经验证的数值模型,对疲劳破坏位置附近的应力分布进行有限元分析,结果表明螺栓孔边应力集中是疲劳裂纹萌生和引发疲劳破坏的主要原因。基于有限元分析结果,利用FE-
高立强, 李晗, 袁焕鑫, 王奥迪
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[Posterior open approach combined with suture bridge technique for tibial insertion avulsion fractures of posterior cruciate ligament]. [PDF]
Zhu B, Wang W, Zhang M, Jiang Q.
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[Treatment of inferior pole patellar fractures with suture anchors and headless compression screws]. [PDF]
Wang J, Zhang W, Tian Z, Jiang Y, Yao Q.
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[Current dental implant design and its clinical importance]. [PDF]
Ye L.
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