應用研究 2025年 第卷 第18期
DOI: 10. 7672 / sgjs2025180062
DOI: 10. 7672 / sgjs2025180062
羅圣明1’2,林思遠3
作者簡介：
羅圣明，項目經理，工程師， E-mail:277457165@ qq. com作者單位：
1.瀚陽國際工程咨詢有限公司，廣東廣州 510663; 2.瀚陽國際院士工作站，廣東廣州 510663; 3.中國路橋工程有限責任公司，北京 100011基金項目：
?中國路橋工程有限責任公司 2022 年度重點科研課題（P2230455）摘要：
澳門 C390B 輕軌石排灣線主體工程橋梁結構采用完整性結構設計方案，墩梁固結連續剛構體系。針對城市道路空間狹小、道岔區渡線變化、兩側梁寬不同、橋梁曲線半徑小、工期緊等施工難點，結合懸臂拼裝工作優選出最優施工方案，研究了輕型異腿門式起重機及節段梁專用吊具改進技術，優化設備支腿的結構形式和專用吊具吊桿裝置，充分發揮設備實用性和通用性，能適應狹小空間施工條件，且提高施工工效。針對墩頂塊安裝定位困難、工期緊難題，采用“鏤空式”預制方式及優化墩頂塊施工工藝，并利用臨時張拉及時松鉤。綜合運用上述 4 項施工創新技術，節段預制連續剛構橋懸臂拼裝施工的高程偏差控制在±15mm,軸線偏差控制在±10mm,滿足設計要求，并提前 2 個月完成全部節段架設工作。
English：
The main construction project of Macao C390B Light Rail Shipai Bay Line adopts a completestructural design scheme for the bridge structure,with a pier-girder consolidation continuous rigid framesystem. In response to the construction difficulties such as narrow urban road space, changes in crossinglines in turnout areas, different girder widths on both sides, small bridge curve radius, and tightconstruction periods, the optimal construction plan was selected based on cantilever assemblywork. Theimprovement technology of lightweight cross legged gantry crane and specialized lifting equipment forsegmental girders was studied, and the structural form of equipment support legs and specialized liftingequipment and rod devices were optimized. The practicality and universality of the equipment were fullyutilized,which can be suitable for construction conditions in narrow spaces and improve constructionefficiency. In response to the difficulties in installing and positioning the top block of the pier, as well asthe tight schedule, a “hollow out” prefabrication method is adopted, and the construction process of thetop block of the pier is optimized. Temporary tensioning is used to timely release the hook. Bycomprehensively applying the four innovative construction technologies mentioned above, the elevationdeviation of the cantilever assembly construction of the prefabricated continuous rigid frame bridgesegment is controlled within ±15mm, and the axis deviation is controlled within ±10mm, meeting thedesign requirements. All segment installation work was completed two months in advance.