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海控国际广场A座总建筑高度249.7m,在6,17,32,51层分别设置了避难层和设备转换层,其中17,32,51层为伸臂桁架结构避难层,层高5.5m,共设置8榀外伸臂桁架和4榀核心筒内置桁架,与外框钢结构环状桁架形成加强层。合理的施工流程设计与精确的钢结构安装以及钢筋工程、混凝土工程、模板工程、钢结构工程的施工交叉与配合是保证伸臂桁架避难层施工质量的关键。重点介绍伸臂桁架避难层各项工序的施工重点与交叉配合,保证了工程质量和总体进度,取得了预期经济效益和社会效益。
Haicheng International Plaza, Block A, a total construction height of 249.7m, in the 6,17,32,51 layers were set up refuge floors and equipment conversion layer, of which 17, 32, 51 layer is the truss structure refuge layer, the height of 5.5m , Set a total of 8 榀 outrigger truss and 4 榀 core tube built-in truss, and frame steel ring truss form a strengthening layer. Reasonable construction process design and accurate installation of steel structures and steel construction, concrete engineering, formwork engineering, steel structure construction of the intersection and cooperation is to ensure the construction quality of the evacuation jib truss layer key. Emphasis is put on the construction focus and cross-cooperation of the various steps of the evacuation layer of the yoke truss to ensure the project quality and the overall progress and achieve the expected economic and social benefits.