刚架拱桥在平原地区的应用

Application of Rigid-frame Arch Bridge in Plain Area

钢架拱桥具有自重轻、材料省、整体性能好的优点,在山区、丘陵或冲击平原的软土地基中得到了广泛应用。结合实际工程,在对其施工步骤进行简要介绍的基础上,深入阐述桥台地基处理、沉降缝及伸缩缝的处理,对于该类桥梁的推广应用大有裨益。

Rigid-frame arch bridge,which has excellent whole performance and has got widespread application in soft soil foundation projects in mountainous and hilly areas and alluvial plain,is light and can save materials.Combining with one project,the construction steps are introduced simply,then the abutment foundation disposal and settlement cracks and expansion joints are treated.It is beneficial to the popularization and application of this type of bridge.