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ï¬ 1. The general guardrails should be tempered glass or laminated glass. When tempered glass is used, the thickness should not be less than 13mm. Since the glass is a brittle material, the glass must not be in direct contact with the rigid node. There should be elastic material between the two. When the design uses two sides into the glass guardrail, the glass into the pillar slot should have more than 3mm on both sides of the gap, the gap filled with sealant, the glass into the slot not less than 13mm.
ï¬ 2. When glass is used instead of columns in the guardrail, a gap of about 6mm should be left between the glass, and a gap of about 6mm is also left at the intersection of the glass and other materials. The gap is filled with a sealant. The guardrail base is a key part of the fixed guardrail. Generally, angle steel and steel plates are used to form fixed pieces of fixed glass. Both sides of the fixing pieces are fixed firmly with the expansion screw on the floor of the building or by welding and prefabrication. The hardness of the bottom of the glass and fixture is 80- The rubber support blocks of 90 are cushioned, the depth of the glass projecting into the fixture is more than 110mm, and the glass extends into both sides of the fixture (ie, between the angle steel and the steel plate), and a neoprene rubber liner of 3 to 6mm clearance should be left. The glass is clamped. After the installation is inspected and confirmed to be safe and firm without loosening, the surface of the guardrail base is covered with a decorative cover. The gap left between the cover material and the glass is filled with a sealant, and the cover material may not directly contact the glass.
The precautions are as follows: