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Secondly, the influence of the length a and the width b of side-board on outer moving of plastic hinge of with beam-end horizontal haunch connections were conducted.

2研究了侧板长度a和宽度b等参数对梁端翼缘扩大型节点塑性铰外移的影响。

By means of finite element analysis of ANSYS, this paper would analyze the behavior of the connections with beam-end horizontal haunch such as strength and ductility .The main contests are listed as follows: Firstly, build up the finite element model. Through comparing the finite element result to the test result, it proves feasible in finite element model to get the behavior of beam-column connections.

本文通过ANSYS有限元分析,对梁端翼缘扩大型节点的承载性能,延性等方面进行了研究,主要内容包括: 1建立有限元模型,并将有限元分析结果与试验结果进行对比,验证有限元分析的可行性。

Results: MR examination of bone contusion were mostly less than two weeks, but a few patients were longer than one year: STIR, TIWI were more sensitive lesion detection series in hone contusion (100% and 95.7%). Bone contusion mostly occur at knee, and lesions mainly distributed in the margin area of articular (69.8%), in superior portion of vertebral body(74.l%). Bone contusion following-up showed a line-like hyperostosis and osteosclerosis in contusion area. Histological manifestations of bone contusion were local trabecular micro fractures, edema, hemorrhage and injury of fat tissue.

结果:1多数骨挫伤MRI检查在两周内完成,少数病人时间超过1年;2检出骨挫伤敏感的MRI序列为STIR及T1W/I(100%及95.7%);3膝关节是骨挫伤的好发部位,病灶主要分布于骨边缘区(69.8%),在脊柱主要分布于椎体上缘终板下(74.1%);4骨挫伤影像随访提小病变区出现线状骨质修复,骨髓水肿吸收;5骨挫伤病理为骨小梁显微骨折,骨髓水肿、出血和脂肪损伤。

Joist or girder with short flanges and a cross ''.

i形金属横梁,工字梁由短翼缘和一个十字''。

In this paper , an efficient optimality criterion method is developed for the mini-mum weight design of WF I-section frames with constraints on stresses, displacements, local buckling and cross-sectional dimensions.

本文利用优化准则法解刚架结构优化设计问题,可以处理工程上常用的宽缘工字梁型剖面结构在应力、位移、板局部稳定性和几何约束条件下的最小重量设计。

Location of the rotation center and contact frication state of connection components were another objective of this study. FEM analysis fit well with test results.

有限元参数分析表明,在影响角钢连接刚度和承载力的诸多因素中,角钢的厚度、梁的高度、螺栓的位置和柱腹板(或本文新型连接的T形件翼缘)的宽厚比、螺栓直径和预拉力大小影响较明显,其中角钢厚度影响最大。

One flush end-plate external joint under monotonical loading and the other four joints under cyclic loading were tested. Failure modes and the effects of reinforcement ratio and concrete in column flange were synthetically considered during cyclic loading. Results of the experiments show that external flush end-plate composite joint also have quite hysteretic behaviors, better strength resistance and stiffness that are worth to promotion in seismic area.Based on experimental results and plastic analysis simplified formulas on moment resistance of semi-rigid composite joints were introduced.

本文对1个半刚性端板连接组合边节点进行了单调静力加载试验并对4个半刚性端板连接组合边节点进行了循环加载试验研究,主要探讨了节点的破坏模式以及混凝土板内纵向钢筋配筋率和柱翼缘内填充混凝土对节点性能的影响,试验结果表明端板连接组合边节点依然具有良好的滞回性能,较好的延性和耗能能力,是一种值得推广的半刚性梁-柱节点形式。

The initial retrofit consisted of removing the gaps between the stringer flange and floor beam by providing shims.

最初的修复工作是通过垫片来消除纵梁翼缘和横梁之间的间隙。

Changing the connecting form of side board and beam flange, considering remainder stress, researches on the influence of side board on connections were done.

改变侧板与梁翼缘的连接形式,考虑残余应力分布,研究侧板对节点受力性能的影响。

The results of experiment and calculation are compared. The process how the CFRP stress on flange transfers to web plate of continuous beam is studied.

对A组试件采用ANSYS有限元程序进行分析,分析与试验结果基本一致,主要考察连续梁的承载力和翼缘CFRP应力随距腹板距离的变化情况。

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