近年来,随着四化建设需要,各种多层实验楼、教学楼、医疗大楼及有清洁度或防锈蚀要求的生产车间逐年增加.由于这类建筑物的内部使用上都要求较高,“长柱明牛腿”的结构形式已不相适应,而以“长柱暗牛腿齿槽节点”、“预制短柱整浇节点”或“现浇柱预制梁板”等的 In recent years, with the needs of the four modernizations, various multi-storey experimental buildings, teaching buildings, medical buildings, and production plants with cleanliness or anti-corrosion requirements have been increasing year by year. As the internal use of such buildings is demanding, The structure form of “long pillars of bull legs” has not been adapted, but “long pillars with dark bull leg slots”, “prefabricated short pillars with pour nodes” or “cast pillars with prefabricated beams” Boards, etc.