世界桥梁
世界橋樑
세계교량
WORLD BRIDGE
2014年
6期
26-30
,共5页
箱梁桥%整孔预制%纵%横移轨(滑)道%轮轨式纵移台车%横移台车%液压系统%桥梁施工
箱樑橋%整孔預製%縱%橫移軌(滑)道%輪軌式縱移檯車%橫移檯車%液壓繫統%橋樑施工
상량교%정공예제%종%횡이궤(활)도%륜궤식종이태차%횡이태차%액압계통%교량시공
box girder bridge%w hole-span prefabrication%tracks for longitudinal and trans-verse moving%w heel track type longitudinal moving trolley crane%hydraulic system%bridge con-struction
广州至深圳沿江高速公路机场特大桥跨径布置为16－5×60m＋1－4×60m＋6－5×60m ，共114孔228片60m整孔预制箱梁（先简支后连续形式），边梁重2390t，中梁重2384t。该桥箱梁采用陆地预制箱梁、整孔箱梁横移→纵移→栈桥横移的移梁技术、架梁船舶运载箱梁航行架设技术方案，预制场内设置6组横移滑道和1组纵移轨道，采用2套横移台车（箱梁横隔墙施工前采用六点支撑，横隔墙施工后采用四点支撑）和1套纵移台车进行箱梁纵、横移施工。实践表明，该大跨重载箱梁整孔纵、横移施工技术适用于现场大型预制箱梁的顶升和移运。
廣州至深圳沿江高速公路機場特大橋跨徑佈置為16－5×60m＋1－4×60m＋6－5×60m ，共114孔228片60m整孔預製箱樑（先簡支後連續形式），邊樑重2390t，中樑重2384t。該橋箱樑採用陸地預製箱樑、整孔箱樑橫移→縱移→棧橋橫移的移樑技術、架樑船舶運載箱樑航行架設技術方案，預製場內設置6組橫移滑道和1組縱移軌道，採用2套橫移檯車（箱樑橫隔牆施工前採用六點支撐，橫隔牆施工後採用四點支撐）和1套縱移檯車進行箱樑縱、橫移施工。實踐錶明，該大跨重載箱樑整孔縱、橫移施工技術適用于現場大型預製箱樑的頂升和移運。
엄주지심수연강고속공로궤장특대교과경포치위16－5×60m＋1－4×60m＋6－5×60m ，공114공228편60m정공예제상량（선간지후련속형식），변량중2390t，중량중2384t。해교상량채용륙지예제상량、정공상량횡이→종이→잔교횡이적이량기술、가량선박운재상량항행가설기술방안，예제장내설치6조횡이활도화1조종이궤도，채용2투횡이태차（상량횡격장시공전채용륙점지탱，횡격장시공후채용사점지탱）화1투종이태차진행상량종、횡이시공。실천표명，해대과중재상량정공종、횡이시공기술괄용우현장대형예제상량적정승화이운。
The Airport Bridge on the Guangzhou‐Shenzhen Highway along the Zhujiang River is a bridge with span arrangement of 16‐5 × 60 m+1‐4 × 60 m+6‐5 × 60 m ,having 114 spans ,228 sections of 60 m long prefabricated box girder which is designed to transform from a simply‐sup‐ported girder to a continuous one during the construction process .The edge beam weighs 2 390 t , and the central beam 2 384 t .The box girder of the bridge was constructed by a customized techni‐cal scheme ,that is ,to precast the box girder on land ,to use the girder moving technique of w hole span box girder transverse moving→longitudinal moving→transverse moving on trestles and to use the floating crane to transport and erect the box girder .Inside the fabrication yard ,six groups of tracks for transverse moving and one group for longitudinal moving are installed ,and two sets of trolley cranes responsible for transverse moving construction of the girder and one set for longitu‐dinal moving construction of the girder were employed in the construction (Prior to the construc‐tion of the box girder diaphragm walls ,the two sets of trolley cranes responsible for transverse moving were supported at six points ,whereas after the construction of the diaphragm walls ,sup‐ported at four points) .The engineering practice proves that the whole‐span longitudinal and trans‐verse moving technique applied to the long‐span and heavy‐load box girder is applicable to the jack‐up ,moving and delivery of the large prefabricated box girder at the bridge site .
