rib pillar的意思
1. The problems of traditional shallow-hole shrinkage stoping method applied in Guandi silver-gold mine were discussed first, which were the delay of rib pillar stoping and severe ground pressure appearance.
简述了官地银金矿传统浅孔留矿采矿法应用中存在的突出问题，即间柱滞后矿房回采，且占有矿量多，造成地压集中显现。
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2. When maintained, some buildings above main arch ring such as standing pillar or wall, arch circle, side wall would be removed, only reserving main arch ring composed of stomach arch rib, arch wave, arch board and horizontal contact.
改造中拆除包括立柱或立墙、腹拱圈、侧墙以及拱上填料、桥面板等全部拱上建筑，仅保留由拱肋、拱波、拱板及横向联系等四种构件组成的主拱圈。
3. The arch bending on the top of the original main arch ring corresponds to every arch rib and the bottom beam on its landscape orientation. As a result it becomes a down arc frame similar to slab-and-beam floor system. On the arch bending and bottom beam just established, standing pillar, main beam, horizontal rib beam and bridge front-panel would be built subsequently. Both ends of the main beam would then be put off the new hat beam made of reinforced concrete. Now, it becomes an upper slab-and-beam floor system. Two decks will be joined together on the middle of the bridge, which forms the ability of spanning and loading.
在原主拱圈拱肋相应位置处增设拱伏，横向增设底梁，形成一个下层弧形的类似肋梁楼盖的结构；在已浇筑好的拱伏与底梁上，继续现浇立柱、主梁和横向肋梁、桥面板，主梁的两端搁置在桥台处新增加的钢筋混凝土台帽梁上，形成一个上层肋梁楼盖结构，并且上下两层楼盖在桥梁跨中互为渗透结合成一个牢固的整体，共同完成了跨越和承载的能力。