铁道建筑技术
鐵道建築技術
철도건축기술
RAILWAY CONSTRUCTION TECHNOLOGY
2012年
8期
31-33,58
,共4页
T型梁%起拱%侧弯%力学分析%施工因素
T型樑%起拱%側彎%力學分析%施工因素
T형량%기공%측만%역학분석%시공인소
T-type girder%arch raising%side bend%mechanical analysis%construction factors
以天津集疏港公路二期中段工程海河大桥为例,分析了50.2 m T型梁在张拉过程中产生起拱及侧弯过大的原因,提出了合理的控制方法,使大跨T梁的起拱和侧弯值满足规范要求。
以天津集疏港公路二期中段工程海河大橋為例,分析瞭50.2 m T型樑在張拉過程中產生起拱及側彎過大的原因,提齣瞭閤理的控製方法,使大跨T樑的起拱和側彎值滿足規範要求。
이천진집소항공로이기중단공정해하대교위례,분석료50.2 m T형량재장랍과정중산생기공급측만과대적원인,제출료합리적공제방법,사대과T량적기공화측만치만족규범요구。
Based on Haihe Large Sridge of middle Section II of Tianjing-Jishu Port Highway Project, the paper analyzes the reasons behind arch raising and sharp side bend during tensioning of 50.2 m long T-type girder and proposes proper control methods to enable the arch raise and side bend of such girder to meet the specifications.
