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Characteristics and construction requirements of double width aluminum scaffolding

May 01, 2019

Double width aluminum scaffolding uses different types of scaffolding for different types of construction during use. Most of the bridge supports use bowl buckle scaffolding, but also use door type scaffolding. The main structure construction floor scaffolding is mostly used for fastener scaffolding. The longitudinal distance of the scaffolding pole is generally 1.2~1.8m; the lateral distance is generally 0.9~1.5m.


Aluminum double wide moving scaffold features


1. The load variability is large;


2. The fastener connection node is semi-rigid, and the rigidity of the node is related to the quality of the fastener and the quality of the installation, and the performance of the node is greatly variable;


3. The initial defects of the scaffold structure and components, such as the initial bending and rust of the rod, the size error of the erection, the eccentricity of the load, etc. are all large;


4. The connection point with the wall has a large variation on the binding of the scaffold. The research on the above problems lacks systematic accumulation and statistical data, and does not have the conditions for independent probability analysis. Therefore, the structural resistance multiplied by the adjustment coefficient less than 1 is determined by calibration with the safety factor used in the past. Therefore, the design method adopted in this specification is essentially semi-probabilistic and semi-empirical. The scaffolding meets the structural requirements specified in this specification is the basic condition for design calculation.