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本文主要介绍某体育训练中心的楼层组合网架结构：重荷载作用下，采用角钢杆件时，下弦节点的特殊处理方法；上弦预制混凝土板的形式和节点构造；制作安装的主要技术措施。
This article mainly introduces the structure of the floor assembly network structure of a sports training center: under the action of heavy loads, special treatment methods for the lower chords are adopted when using angle steel rods; the form and node structure of the precast concrete slabs on the upper chords; and the main technical measures for production and installation.