介绍了钢管混凝土错列桁架体系的受力性能及特点。
The mechanics performances and characters of concrete filled steel tubes staggered truss system is introduced.
计算结果表明，两种桁架体系的应力水平和位移情况均满足设计要求。
The calculating results showed the stress ratio and displacements of the above two type trusses were satisfied with design codes.
大跨度穹顶建筑物多采用钢桁架体系，钢桁架的杆件一般采用圆钢管，弦杆为曲线。
The long span dome structure are mostly steel truss structure. The member of steel truss are almost round steel tube, and curve chord.
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