介绍了对T型钢承轨偏轨箱形主梁的焊接变形控制。
Controlling for distortion of main box girder carrier-track welded with T-beam is introduced in the paper.
本文对斜拉桥双箱单室箱形主梁进行了空间有限元应力分析。
The three dimensional finite element stress analyses of main girder with twin-box cross section used commonly in cable-stayed bridge have been carried out.
分析表明：加厚底板对斜拉桥双箱单室箱形主梁应力分布的改善效果最佳。
Analysis shows that it is the best way to improve the stress distribution of the twin-box single cross section of cable-stayed bridge by thickening the bottom flange.
分析还表明，加厚底板对斜拉桥双箱单室箱形主梁应力分布的改善效果最佳。
Analysis could also show, to improve the stress distribution of the twin-box single cross section of cable-stayed bridge, it is the best way by thickening the bottom flange.
介绍了冶金起重机金属结构偏轨箱形模拟主梁的疲劳失效分析研究结果，提出疲劳失效的原因及改进措施。
Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given.
塔梁固结，主梁采用三跨连续等高度箱形梁。
塔梁固结，主梁采用三跨连续等高度箱形梁。
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