轻质高强混凝土在连续刚构桥中的应用分析  

Analysis of Application of High-Strength Light-Weight Concrete to Continuous Rigid Frame Bridge

作　　者：郑勇[1] 胡大琳[1] 沈永林 

机构地区：[1]长安大学公路学院,西安市710064 [2]云南省公路勘察设计院,昆明市650011

出　　处：《公路》2005年第7期32-35,共4页Highway

摘　　要：通过对主跨为120m的连续刚构桥分别采用普通混凝土和轻质高强混凝土进行试设计,对上部结构几何尺寸、预应力筋配束等进行优化,并对结构优化与经济指标进行对比分析。Respectively using common concrete and high-strength light-weight concrete, a continuous rigid frame bridge with main span of 120 m is tried to design, their geometry dimensions of superstructure and setting style of prestressed bars are optimized, and the structure optimization and the economic index analyzed.

关 键 词：连续刚构桥 高强轻质混凝土 试设计 对比分析 

分 类 号：U448.23[建筑科学—桥梁与隧道工程]