预应力管桩作为一种预制桩，具有单桩承载力高、工业化程度高，施工快捷方便等优点而在工程中得到推广应用。
Prestressed pipe pile is a precast pile, which has many merits, such as high bearing capacity, high degree industrialization and convenience construction, and it is widely used in engineering now.
特点：质轻、高强、色泽丰富、施工方便快捷、抗震、防火、防水、寿命长、免维护等。
Features: light weight, abundant color, convenient construction, anti-seismic performance, fireproof, waterproof, long life-span, free of maintenance etc.
应用推荐