Reusable movable protective fence structure and construction method thereof

The invention discloses a movable protective fence capable of being repeatedly used. The movable protective fence is composed of hollow anti-collision piers, I-shaped steel, a protective net, a water injection opening and footstands. Each hollow anti-collision pier is composed of an I-shaped steel inserting groove, a protective net inserting groove, a water injection opening, a hollow anti-collision pier outer wall, a water tank and a water drainage hole, and each protective net is composed of a protective net frame and an inner side net. The hollow anti-collision piers and the protective nets are preferably made of glass fiber materials; i-steel net grooves are formed in two sides of the I-steel; the footstand is provided with a rubber plug. Meanwhile, the invention provides a construction method, the defects that in the traditional roadbed construction process, a temporary protective fence is low in strength, prone to corrosion, large in loss and unrecyclable are overcome, and the construction method is eco