德州电动伸缩门良心厂

1. bituminous concrete foundation: good strength and ductility, is the ideal foundation, especially suitable for the north climate cold and temperature difference area, but the cost is expensive; the ordinary asphalt (the asphalt base is often selected, the price is a little cheaper); the hydrophobic bitumen (too high cost, Shi Gongfu miscellaneous, less use).

2．水泥基础：强度好，经济实用，适合温差较小的区域，但延展性差；

2. cement foundation: good strength, economical and practical, suitable for areas with small temperature difference, but poor ductility.

3．水泥石粉基础：工期短、成本低、排水性能好，但耐候性差，容易氧化，造成不平整；

3. cement stone powder foundation: short construction period, low cost, good drainage performance, but poor weatherability, easy to oxidize, resulting in uneven.

4．碎石疏水基础：成本最低、排水性能好，但较难控制平整度，问题较多。

4. debris drainage Foundation: the lowest cost and good drainage performance, but it is difficult to control evenness, and there are many problems.