CAJ | 학술논문

钢筋混凝土刚构-连续梁桥式方案具有梁体结构高度低、整体刚度大、施工工法简单、造价低廉等特点，常应用于铁路上跨既有构筑物且立交净空受限的桥式方案设计中。文章详细介绍了西安至宝鸡客运专线几种异形钢筋混凝土刚构-连续梁桥式方案的设计情况，其中“双腿刚构桥”小角度跨越大口径输水管道、“门形薄壁刚构桥”小角度跨越新建咸阳西上行联络线最具代表性。文章中所述方案均已通车运营，经过工程实践的检验，取得了良好的社会效益和经济效益。通过这一思路能为钢筋混凝土刚构-连续梁桥式方案的进一步广泛应用提供参考。
강근혼응토강구-련속량교식방안구유량체결구고도저、정체강도대、시공공법간단、조개저렴등특점，상응용우철로상과기유구축물차입교정공수한적교식방안설계중。문장상세개소료서안지보계객운전선궤충이형강근혼응토강구-련속량교식방안적설계정황，기중“쌍퇴강구교”소각도과월대구경수수관도、“문형박벽강구교”소각도과월신건함양서상행련락선최구대표성。문장중소술방안균이통차운영，경과공정실천적검험，취득료량호적사회효익화경제효익。통과저일사로능위강근혼응토강구-련속량교식방안적진일보엄범응용제공삼고。
Scheme of reinforced concrete rigid frame-continuous girder bridge which is featured by low structure height of beam, large integral rigidity, simple construction technique and low cost,is often applied to designs of bridges schemes that railway overpasses the existing structures and clearance is limited. In this paper, designs of several kinds of special-shaped reinforced concrete rigid frame-continuous girder bridges schemes on Xi’an-Baoji Passenger Dedicated Line are comprehensively presented, among which,"Two-Leg Rigid Frame Bridge" across large-diameter water delivery pipeline with small angle and "door-shape thin-wall Rigid Frame Bridge" crossing the new Xianyang west connecting line with small angle " is the most representative. At present, all the Design schemes stated in this paper have been opened to traffic which were tested by engineering practice and achieved good social and economic benefits. This idea can provide a reference to further extensive use of scheme of reinforced concrete rigid frame-continuous girder bridge.