铁道建筑技术
鐵道建築技術
철도건축기술
RAILWAY CONSTRUCTION TECHNOLOGY
2014年
10期
14-18
,共5页
客运专线%节段预制%拼装架设%湿接缝%线形控制
客運專線%節段預製%拼裝架設%濕接縫%線形控製
객운전선%절단예제%병장가설%습접봉%선형공제
passenger dedicated line%prefabricated section%assembling erect%wet-joint work%linear control
以西成客专汉中汉江特大桥双线铁路64 m节段拼装预应力混凝土箱梁的节段预制、架设施工为研究对象，通过对施工过程工艺控制，总结客运专线双线大跨节段拼装简支箱梁梁段预制、架设施工技术，包括预制阶段的模板、胎具的加工及安装使用，钢筋工程，预埋件安设、孔道成孔和混凝土工程；架设阶段的梁段线形控制、预拱度设置、湿接缝施工、预应力张拉及张拉过程中的梁体体系转换。
以西成客專漢中漢江特大橋雙線鐵路64 m節段拼裝預應力混凝土箱樑的節段預製、架設施工為研究對象，通過對施工過程工藝控製，總結客運專線雙線大跨節段拼裝簡支箱樑樑段預製、架設施工技術，包括預製階段的模闆、胎具的加工及安裝使用，鋼觔工程，預埋件安設、孔道成孔和混凝土工程；架設階段的樑段線形控製、預拱度設置、濕接縫施工、預應力張拉及張拉過程中的樑體體繫轉換。
이서성객전한중한강특대교쌍선철로64 m절단병장예응력혼응토상량적절단예제、가설시공위연구대상，통과대시공과정공예공제，총결객운전선쌍선대과절단병장간지상량량단예제、가설시공기술，포괄예제계단적모판、태구적가공급안장사용，강근공정，예매건안설、공도성공화혼응토공정；가설계단적량단선형공제、예공도설치、습접봉시공、예응력장랍급장랍과정중적량체체계전환。
Based on the segments precasting and erecting of the double track of 64m consolidated sections of prestressed concrete simply-supported box girders of Hanzhong-Hanjiang river super bridge on Xi ’an-Chengdu Passenger Dedicated Line,through the control management on the worksite,the author summarizes the construction techniques of long-span of consolidated sections of simply-supported box girders segments precasting and segments erecting,including the steel tem-plate and molds processing and installation,reinforced engineering,the technology of laying embedment parts and pre-set-ting hole and concrete engineering in precasting stage;the linear control,the pre-camber setting,the wet-joint construc-tion,the system transformation of girder in tension prestress in erecting stage.
