钢结构液压同步提升

目录

1 工程概况_____________________________________________________ 4

2 方案思路_____________________________________________________ 5

2.1方案整体思路 __________________________________________________________ 5

2.2 方案优点_____________________________________________________________ 5

3 液压同步提升关键技术和设备___________________________________ 6

3.1 关键技术和设备_______________________________________________________ 6 3.2 液压同步提升原理_____________________________________________________ 6 3.3 液压同步提升技术的特点_______________________________________________ 9 3.4 液压提升设备_________________________________________________________ 9 3.5 液压泵源系统________________________________________________________ 10

3.6 计算机同步控制及传感检测系统________________________________________ 10

4 施工工艺重点说明____________________________________________ 11

4.1提升单元的划分 _______________________________________________________ 11 4.2提升吊点选择 _________________________________________________________ 12 4.3 提升上吊点的设置____________________________________________________ 13

4.3.1提升平台一_________________________________________________________________ 13

4.3.2提升平台二_________________________________________________________________ 14

4.3.3 提升平台三 ________________________________________________________________ 16

4.3.4 提升平台四 ________________________________________________________________ 18

4.3.5提升平台五_________________________________________________________________ 19

4.3.6提升平台六_________________________________________________________________ 20 4.4 提升下吊点的设置____________________________________________________ 21 4.5 托梁计算____________________________________________________________ 21

4.5.1 2-E～2-M轴托梁计算 ________________________________________________________ 21

4.5.2 2-D～2-E轴托梁计算________________________________________________________ 22 4.6 混凝土柱核算________________________________________________________ 21 4.7 提升立面____________________________________________________________ 23

4.8 提升过程中的稳定性控制______________________________________________ 23

5 液压系统配置________________________________________________ 24

5.1 液压提升器的配置____________________________________________________ 24 5.2 液压泵源系统________________________________________________________ 24

5.3 电器同步控制系统____________________________________________________ 25

6 液压系统同步控制____________________________________________ 25

6.1 总体布置原则________________________________________________________ 25

6.2 提升同步控制策略____________________________________________________ 25

7 施工前准备及检查工作________________________________________ 26

7.1 液压提升设备安装____________________________________________________ 26

7.1.1 导向架制作及安装 __________________________________________________________ 26

7.1.2 专用地锚的安装 ____________________________________________________________ 26

7.1.3 钢绞线的安装 ______________________________________________________________ 26

7.1.4 液压管路的连接 ____________________________________________________________ 26

7.1.5 控制、动力线的连接 ________________________________________________________ 27 7.2 设备的检查及调试____________________________________________________ 27

7.2.1调试前的检查工作__________________________________________________________ 27

7.2.2 系统调试 __________________________________________________________________ 27

7.2.3 分级加载试提升 ____________________________________________________________ 27 8正式提升 _____________________________________________________ 28

8.1 同步吊点设置________________________________________________________ 28 8.2 提升分级加载________________________________________________________ 28 8.3 结构离地检查________________________________________________________ 28 8.4 姿态检测调整________________________________________________________ 28 8.5 整体同步提升________________________________________________________ 28 8.6 提升过程的微调______________________________________________________ 29

8.7 提升就位____________________________________________________________ 29

9 施工组织体系________________________________________________ 29