基于不同规范的移动模架逐孔施工连续梁桥确定性及可靠性对比分析  

Analysis of Deterministic and Reliability for Continuous Girder Bridges Using Hole Construction by Moveable Formwork Based on Different Codes

作　　者：赵长勇[1] 崔凤坤 罗绪昌 董峰辉[3] 骆佐龙 

机构地区：[1]青岛理工大学土建工程系,山东青岛273400 [2]长安大学公路学院,陕西西安710064 [3]同济大学土木工程学院,上海200092

出　　处：《公路工程》2015年第2期211-214,225,共5页Highway Engineering

摘　　要：针对分别采用《公路钢筋混凝土及预应力混凝土桥涵设计规范》[1](JTG D62—2004)和《公路钢筋混凝土及预应力混凝土桥涵设计规范》[2](JTJ 023—85)设计的移动模架逐孔施工连续梁桥进行确定性和可靠性对比分析,通过有限元程序对成桥阶段选取的典型截面可靠指标进行计算。结果表明,确定性分析和可靠性分析结果有不同的规律,不能单从确定性分析结果的大小来判断结构安全储备,需将确定性分析与可靠性分析相结合,才能对结构有合理准确的判断与评价。The object of this paper is to study the deterministic and reliability analysis of the continuous girder bridges using hole construction by moveable formwork based on the Codes for Design of Highway Reinforced Concrete and Pre-stressed Concrete and Culverts（ JTG D62- 2004） and（ JTJ 023-85）. The results of typical selected cross sections show that the different regularities exist in the deterministic and reliability analysis,which indicates that accuracy and reasonable assessment of structural safety statement must base on the combination of deterministic and reliability analysis,not just the deterministic analyzing.

关 键 词：连续梁桥 移动模架逐孔施工 规范 确定性 可靠性 可靠指标 

分 类 号：U445.2[建筑科学—桥梁与隧道工程]