中铁一局312国道常州段改建工程实施性施工组织设计.doc

本标段全部为桥梁工程，桥梁全长873.08m，其中：老武宜运河大桥全长459.40m，跨越老武宜运河（Ⅵ级通航），上部结构主桥采用变截面预应力混凝土连续箱梁，左右幅错墩布置（左幅39.3+55+32.7m，右幅32.7+55+39.3m），引桥采用25m先简支后连续的装配式部分预应力混凝土连续梁。下部结构采用柱式墩、肋板台和桩基础；新武宜运河大桥全长360.20m，跨越规划新武宜运河（Ⅵ级通航），上部结构主桥采用变截面预应力混凝土连续箱梁，左右幅错墩布置（左幅42.4+75+59.6m，右幅59.6+75+42.4m），下部采用薄壁墩，钻孔灌注桩基础；引桥采用25m先简支后连续的装配式部分预应力混凝土连续梁，下部采用柱式墩，桥台采用桩柱式；东厚恕河中桥全长53.48m，上部结构为3-16m预应力砼空心板，简支结构，桥面连续，下部结构采用柱式墩台和桩基础。
All the tenders as a bridge engineering, bridge length 873.08m, of which: Old Wu Yi Canal Bridge length 459.40m, across the old Wu Yi Canal (Ⅵ level navigation), main bridge superstructure of prestressed concrete continuous box girder variable cross-section left and right the wrong pier site layout (left pieces of 39.3 +55 +32.7 m, the right rate 32.7 +55 +39.3 m), Approach 25m simply supported with fabricated part of a continuous prestressed concrete beam. Substructure with Shaft Piers, rib plate stations and pile foundation; new weapons should Canal Bridge full 360.20m, beyond the planning of new weapons should Canal (Ⅵ level navigation), the main bridge superstructure with variable cross-section prestressed concrete continuous box girder sites around the wrong pier layout (left pieces of 42.4 +75 +59.6 m, the right rate 59.6 +75 +42.4 m), lower use of thin-walled pier, bored pile foundation; Approach 25m simply supported by a continuous part of pre-fabricated stress of continuous concrete beams, the lower use of column pier, abutment pile type used; East Hou Shu river bridge length 53.48m, the upper structure of 3-16m prestressed concrete hollow slab, simply supported, continuous deck and substructure by column pier and pile foundation.