Results 101 to 110 of about 3,579 (164)
Jianzhu Gangjiegou Jinzhan提出了一种新型免拆模钢筋桁架楼承板（PFCB-钢筋桁架楼承板），该楼承板由钢筋桁架和纤维水泥底板通过自攻螺钉和连接件预制连接而成。为研究PFCB-钢筋桁架楼承板在施工阶段的受力性能，并考虑施工时混凝土砂浆中水分或降水天气对纤维水泥板底模的影响，对PFCB-钢筋桁架楼承板进行了饱水状态下的承压能力试验。采用有限元软件对楼承板结构进行了参数化分析，得到了楼承板极限承载力与刚度的变化规律，发现PFCB-钢筋桁架楼承板在均布设计组合荷载以及集中荷载下性能良好，极限荷载下跨度为 3 600 ...
王建烁 +5 more
doaj
[Research progress of hydrogel-based growth factors for treatment of intervertebral disc degeneration]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiHuo X, Li Z.
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Jianzhu Gangjiegou JinzhanU形钢板阻尼器具有耗能能力良好、能够依靠自身变形耗能，以及性能稳定、制作方便、价格低廉等优点，但是也存在初始刚度小和承载能力低的问题。为此，提出一种具有T形截面的U形金属屈服阻尼器（简称阻尼器）。基于虚功原理和卡斯蒂利亚诺第二定理，建立了阻尼器的屈服承载力和初始刚度理论公式。基于非线性混合强化本构模型和三维延性断裂准则，建立了考虑材料延性断裂的阻尼器有限元模型。重点考察了阻尼器的刚度、屈服承载力、耗能能力和破坏模式等。通过参数分析量化了几何尺寸等参数对阻尼器力学性能的影响。研究表明，阻尼器在刚度 ...
邱灿星, 钱慧娟, 王苑佐
doaj
[Application of soft tissue balance combined with medial displacement calcaneal osteotomy for progressive collapsing foot deformity]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiYe G +5 more
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[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
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[An investigation study on the technology and training level of ski patrol]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanBai P +7 more
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[Effects of elastic modulus of the metal block on the condylar-constrained knee prosthesis tibial fixation stability]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiZhang Y +6 more
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[Current status and future directions of stability reconstruction following spinal tumor resection]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhou J, Dong J.
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