At present, the general safety protection railings in engineering construction are mostly the following two kinds:
In order to overcome the shortcomings of poor sealing, single function and lack of interchangeability of two kinds of protective railing, perforated metal protective railing is specially designed.
According to Technical Code for Safety of High Working in Building Construction JGJ80-91 provisions:
According to the above articles and regulations, the size of a single protective railing designed is 2 meters wide and 1.25 meters high. Adopt rectangular tubes and weld them into the field shape, acting as ribs. Perforated metals are welded with field-shape ribs to form railing pieces. Using the rectangular tube as a separate column and welded with U-shaped steel to form slot. Then, railing pieces are directly inserted in to U-shaped slots.
Detailed design technical scheme
As shown in Figure 1:
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