[Treatment of hyperextension-type bicondylar tibial plateau fractures assisted by mirrored three-dimensional printing technology]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiJu W, Li L, Xu L, Li C, Zhou X, Ju J.
europepmc +1 more source
[Positive cortical support reduction in treatment of trochanteric femur fractures: history in theory establishment and its inspiration for clinical innovations]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiChang S.
europepmc +1 more source
Jianzhu Gangjiegou Jinzhan杭州仁和粮食储备库码头钢罩棚为跨河大跨钢网架结构，网架整体位于河道上方，下部无天然作业场地。考虑施工成本及场地条件，选择滑移施工方案。进一步，通过对比分析带短轨累积滑移、无短轨累积滑移两种施工方法的结构杆件附加应力、施工可控性、滑移单元对接精度控制难度，最终选择无短轨累积滑移施工方案。在此基础上，利用midas Gen对结构进行施工模拟仿真分析，并在施工最终步的基础上以成桥荷载的形式叠加设计荷载，实现了对结构的施工-设计全过程仿真分析，验证了施工方案的安全性和合理性；结合场地条件设计了安拆便捷、承载力高、
徐常森, 贾尚瑞, 郭彤, 邢遵胜
doaj +2 more sources
[Biomechanical advantages of personalized Y-shaped plates in treatment of distal humeral intra-articular fractures]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiYu H +5 more
europepmc +1 more source
Jianzhu Gangjiegou Jinzhan文中提出了一种新的模块化钢框架模块间全螺栓拼接方法，通过模块间连接键、单向螺栓与对穿螺栓的协同作用实现了模块间全螺栓装配。为研究该拼接节点的力学性能，采用ABAQUS有限元软件建立了模块化钢框架模块间全螺栓拼接节点精细化数值模型，并对其进行了低周往复加载数值模拟，分析了该节点的滞回曲线、骨架曲线、延性、耗能及承载力性能；还建立了节点初始转动刚度计算模型，推导了节点初始转动刚度计算公式，并与数值模拟计算结果进行了对比验证，验证了初始转动刚度计算公式的准确性。结果表明：该全螺栓拼接节点的构造设计合理 ...
王杰, 王燕, 安琦
doaj
[Three-dimensional finite element analysis of the cantilever fixed bridge restoration for mandibular central incisors supported by narrow-diameter implants]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiZhou X, Gong Y, Peng W, Fu G.
europepmc +1 more source
Jianzhu Gangjiegou Jinzhan建材管控是建筑智能施工建造的重要一环，由于型钢截面形状多样、摆放时相互堆叠遮挡且堆放背景环境复杂等因素，其智能实时计数的研究与应用相对于钢筋、钢管等圆形截面建材仍充满挑战。对此，本文提出了一种基于改进YOLOv7的非圆形截面建材的计数模型。首先拍摄大量工字钢、方钢管和木枋的现场照片，结合数据增强手段获得14 950张图像，共包含1 290 210个端面。进而在现有YOLOv7架构中新增一阶段实例分割模块，与目标检测任务并行操作，再通过改进骨干网络和检测头、加入注意力机制 ...
陈宇韬 +5 more
doaj
[Clinical application research of three-dimensional printed patient-specific cutting guides in Cole midfoot osteotomy]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhang Z +7 more
europepmc +1 more source
[Effect of different bone grafting methods and internal fixation on mechanical stability of Schatzker type <b>Ⅱ</b> tibial plateau fracture]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiWang Z +7 more
europepmc +1 more source
[Effectiveness of three-needle and two-cable structure in treatment of inferior patellar pole avulsion fractures]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiDuan C, Cheng J.
europepmc +1 more source