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胶合木植板连接黏结锚固性能试验研究 被引量:1
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作者 牛爽 张妩迪 +1 位作者 祝恩淳 范峰 《施工技术》 CAS 2020年第5期123-127,141,共6页
为研究胶合木植板连接的黏结锚固性能,对27个胶合木植板连接试件进行了单调加载对拉试验,变化参数包括钢板表面处理方式、钢板锚固长度、钢板宽度、胶层厚度及钢板端部传力构造。结果表明:对钢板进行砂纸打磨或化学刻蚀可大幅度提高黏... 为研究胶合木植板连接的黏结锚固性能,对27个胶合木植板连接试件进行了单调加载对拉试验,变化参数包括钢板表面处理方式、钢板锚固长度、钢板宽度、胶层厚度及钢板端部传力构造。结果表明:对钢板进行砂纸打磨或化学刻蚀可大幅度提高黏结锚固强度,分别可达28%,51%;承载力随钢板锚固长度及宽度一定限度内的增加而增长,但锚固长度或钢板宽度增至一定水平后承载力趋于平缓不再增长;胶层厚度对承载力性能影响不大;当植板端部由带衬板的单排大直径钢销传力改为相近长度的单排焊缝传力,其承载力降低近20%。 展开更多
关键词 胶合木 植板连接 黏结锚固 试验
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Optical interconnection on PCB level using MT compatible connectors and fiber-embedded boards
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作者 SHEN Guang CAO Ming-cui LUO Feng-guang HUANG Ping HUANG Qi-rui 《Optoelectronics Letters》 EI 2006年第6期452-454,共3页
Optical interconnection between LSIC (Large Scale Integrated circuit) is an increasing demand as data communication is growing very fast, whereas electronic interconnection could hardly satisfy the fastgrowing reque... Optical interconnection between LSIC (Large Scale Integrated circuit) is an increasing demand as data communication is growing very fast, whereas electronic interconnection could hardly satisfy the fastgrowing request of data rate. A realization of on-board optical connection is described in this paper,of which multimode fibers were buried into the RF4 board by cutting grooves on the surface of the board with a LPKF ProtoMat95sll, and two MT connectors were reconstructed to form an input-and-output couple in the board. Optical transmission at 2.5 Gbit/s× 12 channels data rate was demonstrated and a widely opening eye pattern was achieved. Large scale prototype of dense-multimode-fiber-embeddad board for the backplane aoolication was also fabricated by using the methods mentioned in this oaeer. 展开更多
关键词 光学互联 PCB水平 MT谐调连接 纤维
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