How to choose the right gutter?
2017-06-16
1. When selecting drainage ditch products for road drainage system design, it is essential to consider the volumes of municipal domestic wastewater, industrial effluent, and stormwater.
2. For drainage systems designed to withstand outdoor loads, the vehicle load conditions on the trench surface along the routing must be taken into account.
3. Water Quality: At present, environmental pollution in China is severe. Rainwater and domestic wastewater contain increasingly diverse and high concentrations of corrosive chemical elements, a trend that is even more pronounced in industrial effluents. These wastewaters exhibit strong corrosivity toward conventional cement drainage channels and cast‑iron pipes, leading to structural collapse and leakage over time and causing significant adverse impacts on the urban environment. In contrast, resin‑concrete materials demonstrate excellent resistance to highly polluted water. In immersion tests using 20% H₂SO₄ (a strong acid) and 20% NaOH (a strong alkali), resin‑concrete drainage channels showed no signs of corrosion, and experimental data confirm their superior corrosion‑resistance performance.
4. Road landscape requirements: In designated urban areas, environmental enhancement is an essential component of urban development. The road drainage system should, in accordance with the overall urban design specifications, select drainage channel products that are compatible with the urban environment and align with the city’s overall development goals.
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