桥架的金属结构由主梁和端梁组成，分为单主梁桥架和双梁桥架两类。
Bridge's metal structure from the main beam and side beams, divided into single-and dual-beam bridge girder bridge types.
单主梁桥架由单根主梁和位于跨度两边的端梁组成，双梁桥架由两根主梁和端梁组成。
Single-girder bridge by a single main beam and in the end beam span both sides of the composition, dual-beam bridge consists of two main beams and side beams formed.
介绍了基于系统分析的双梁桥式起重机桥架结构优化设计方法。
This paper introduces an optimization design method for overhead traveling crane structure with double bridge which is based on system analysis.
应用推荐