Jianzhu Gangjiegou Jinzhan, 2006 进行了20个型钢混凝土构件的推出试验、20根型钢混凝土偏心受压柱试验,以及23根型钢高强混凝土柱在反复荷载作用下的试验。通过在型钢与混凝土之间埋设的电子滑移传感器和电阻应变片,得到了粘结应力和内部滑移沿型钢埋置长度的分布规律;考虑了混凝土强度、型钢的保护层厚度和埋置长度,以及横向配箍率等诸因素,建立了型钢混凝土粘结强度的计算公式;分析了构件长细比、荷载偏心距对粘结强度和滑移应变的影响,提出了偏心受压柱粘结滑移本构关系的一般表达式;研究了型钢高强混凝土柱在动力作用下粘结滑移的分布规律和粘结退化机理 ...
薛建阳 +4 more
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Shiyou jixie, 2015 针对页岩气“井工厂”的高效开发模式及关键技术，在详细阐述国外“井工厂”钻机技术特点的基础上，介绍了国产钻机在涪陵页岩气示范基地的应用现状，分析了国产钻机在“井工厂”作业中的不足，梳理了国内钻机制造厂商对钻机全方位高效移运技术和钻机自动化升级改造技术的探索研发情况，提出了适合我国今后页岩气开发的“井工厂”钻机一体化解决方案，从而形成适合我国页岩气开发特色的“井工厂”钻机技术。最后指出了页岩气“井工厂”钻机的发展趋势和钻机自动化发展重点。
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