Cast iron guardrails can be seen everywhere in our life, and have certain applications in factories, workshops, warehouses, parking lots, business districts, public places and other occasions. Next, the small edition of Shandong cast iron guardrail introduces the quality control points of cast iron guardrail in production, hoping to be helpful to everyone!
1. Before each installation, the template should be cleaned and brushed with release agent. The release agent should be brushed evenly.
2. Welding and binding of cast iron guardrail steel bars should meet the requirements of design and specification, especially the position of internal steel bars should be precise.
3. After the template is installed, the side and top of the template should be checked, and the side and top of the template should be straight.
4。 The surface area of honeycomb linen of cast iron guardrail concrete shall not exceed 0。5% of the surface area and the depth shall not exceed 10 mm。
5. One-sided cast iron guardrail within the same span should be poured at one time. Steel formwork should be applied to the end formwork to ensure the appearance of the end is even.
6. No cracking shall occur on the surface and joint of cast iron guardrail. Misalignment, smoothness and appearance quality problems should be dealt with in time, and color consistency should be guaranteed. The top surface is smooth and beautiful, and the height is consistent.
7. Cast iron guardrail bridge linear straight section, curve section arc smooth, no broken line and dead angle.
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