高桥墩翻模施工（塔吊提升）方案.doc

2.9.8  高桥墩翻模施工（塔吊提升）
编制说明：
1）适用范围：双（多）柱（薄壁空心）高桥墩
2）检索内容：双（多）柱墩
正文：
1）概述

2）施工方案
墩身垂直运输使用墩旁塔吊，人员作业上下使用施工电梯。塔吊和施工电梯均支承在混凝土基础上。墩身采用翻模施工。墩身混凝土均用混凝土输送泵泵送入模，插入式振捣器捣固。为了保证双薄壁桥墩的单肢在施工过程中的稳定性，在桥墩两肢间竖向每隔20～30m设一道钢桁梁作为联系梁支撑。
3）人员、料具、设备配备及工期定额
（1）人员劳动力组织
根据桥墩的圬工量及难易程度合理组织人员劳动力进行施工。
（2）料具、设备配备
主要料具、设备配备表
2.9.8 Construction of high bridge pier turning model (Crane upgrade)
Preparation of instructions:
1) Scope: Two (or more) columns (hollow) high bridge pier
2) Search content: double (multiple) dolphins
Body:
1) Overview

2) construction plan
Pier pier next to the crane using the vertical transport of personnel to use the construction elevator up and down operation. Cranes and construction elevators are supported on concrete foundations. Pier construction by turning model. Pier with a concrete pump concrete pump all into molds, plug-in vibrators tamping. To ensure the double-thin piers single limb stability in the construction process, in the pier between the two limbs of vertical intervals of 20 ~ 30m set a steel truss girder support as a contact.
3) personnel, materials tools, equipment and duration with the fixed
(1) personnel of labor organization
According to the masonry piers and the ease of a reasonable amount of staff labor for construction organizations.
(2) materials with the equipment with
With the main material, equipment, equipped with table