高速公路箱梁桥制作计划方案

高速公路箱梁桥制作计划方案1、分段情况和工程量统计根据设计图纸，每条钢梁分为A、B、C、D、E、共5个节段制作，分段情况及重量如下所示：主桥工程量统计梁段编号长（mm）高（mm）宽（mm）单重(吨)全桥数量总重（吨）1A3586814251575375660.9160.9B3599014251575375682.2182.2C3999014251575375690.3190.3D3599014251575375682.2182.2E2013814251575375647.9147.92A2537814251575375638.7138.7B3599014251575375682.2182.2C3999014251575375690.3190.3D3599014251575375682.2182.2E2924714251575375696.4196.43A2877014251575375662.5162.5B3599014251575375684.2184.2C3999014251575375692.5192.5D3599014251575375684.2184.2E2248914251575375649.5149.54A1774314251575375639.7139.7B3599014251575375684.2184.2C3999014251575375692.5192.5D3599014251575375684.2184.2E3202814251575375668.1168.1合计1494.9D匝道桥工程量统计梁段编号长（mm）高（mm）宽（mm）单重(吨)全桥数量总重（吨）1A1445711531348321827.222127.2B2399011531348321851.287151.3C3999011531348321877.819177.8D2399011531348321851.287151.3E1491611531348321827.461127.52A2113311531348321838.005138B2399011531348321851.287151.3C3999011531348321877.819177.8D2399011531348321851.287151.3E1072911531348321820.222120.2合计473.7B匝道桥工程量统计梁段编号长（mm）高（mm）宽（mm）单重(吨)全桥数量总重（吨）1A1332210441148321823.7123.7B2000010441149321842.1142.1C4000010441150321813.5113.5D2000010441151321842.1142.1E1319310441152321823.6123.62A1142110441153321820.2120.2B2000010441154321842.1142.1C4000010441155321813.5113.5D2000010441156321842.1142.1E1800710441157321831.4131.4合计294.32、钢梁制作计划钢梁纵向长度为主桥为163m，D匝道为118m，B匝道为109m。每条钢梁分为A、B、C、D、E、共5个节段制作。制作时为保证钢梁整体连续成型，须搭设工装胎架，单条梁制作在组焊工装胎上连续成型，组焊与预拼装同时完成。胎架搭设立柱和横担采用槽钢 ，立柱间用板条连接。主桥搭设成通长连续胎架。钢材进场进行预处理后才能使用。待箱梁组装后再完成后续涂装3、制作方案根据本钢桥的特点确定钢梁制作分为三个阶段：板单元制作、节段连续拼装制作（包括制孔、焊接剪力钉）、桥上连接。总体流程如下：