Selection Instructions:
1. The flat steel direction of the ditch cover is the load-bearing (support) direction, and the flat steel length L is determined according to the width of the ditch (well);
2. The layout is based on the length of the trench (well), and the standard board width that meets the processing modulus is 995mm, and the gap between the boards is 5mm;
3. The remaining length of the ditch (well) is less than 1 meter according to the modulus to determine the size;
4. The steel grating model is selected according to the width of the trench (well) and the load-bearing requirements.
5. It is recommended to choose standard size trench cover for design and construction, other specifications can be customized.
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