The Common Issues of Scaffolding Application During the Construction

The heavy duty scaffolding should have a clear understanding, generally if the thickness of the floor more than 300 mm, should consider the design according to the heavy scaffolding, scaffolding load more than 15 kn/, the design should organize expert argumentation.
(1)To separate the parts of the steel tube length changes on bearing, support for template should be considered: the top level of a rod of the centerline of the length of the template support a should not be too long, generally less than 400 mm advisable (in the new specifications may be revised), poling calculation generally on the top step and the largest stress at the bottom step, should be regarded as the main computing point. When required by the bearing capacity of discontent group should add stud reduce the vertical and horizontal spacing, or increase the horizontal bar interval.
(2) is common at present domestic ringlock scaffolding system materials such as steel, fasteners, jacking and tap to be of poor quality, theoretical calculation in practical construction at present, considering the best certain safety factor in the process of design and calculation.
(3)Sweeping bar is missing, not connected, sweep the floor two vertical and horizontal bar from the distance is too big or too small, etc.; Scaffolding plank crack, thickness is not enough and the lap joint does not meet specification requirements; After the big template demolition of the medial poling and wall body between for network;
(4)Bracing in plane is not continuous; the scaffold out of brace; Scaffolding plank under the small bar spacing is too large; Even the inside and outside wall pieces do not rigid connection; Protective scaffolding railings spacing greater than 600 mm; Fastener connection is not tight, fastener slip, etc

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