... ,spoil area,airport,stadium, environment protection buildings,retaining wall,slope protection,and the road surface cracking resistance,etcCharacteristic ... soils,and satisfies the usage of large retaining wall used in the high-grade roadway.Improve the ... the construction.Property indexes of the high-strength steel plastic geogridItemGSZ30-30GSZ40-40GSZ50-50GSZ60-60GSZ80-80GSZ100-100GSZ150-150Tensile ...