The field outside the softball field is mainly covered by lawns. Recently, due to the appearance of artificial grass, the field lawn consists mainly of natural and artificial turf, but only one type of material is allowed on the same site. Regarding the construction of turf construction, reference can be made to the related content of the construction and construction of the football stadium and the construction of the track and field venues. The size of the softball ground varies according to the rules of the competition, including the youth and adult teams, the men's team and the women's team, and different age conditions. The size of the field is different. Therefore, when building a softball field, the maximum size of the project should be used. Construction, other smaller sizes can also be used, such as the side length of the fan-shaped venue, it is recommended to use the men's slow-project 91.44 construction. All kinds of pasture structure should use water-permeable materials, such as sandy soil, gravel, grading gravel, etc., do not use lime, inorganic binder bottom layer, but if you use artificial turf under concrete, you can easily choose . When using asphalt concrete as the base layer of artificial turf, the paving sequence shall start from the edge of the arc of the homer line. If the self-leveling paver is selected, a two-way reference line is required. If artificial asphalt is used for asphalt concrete, it must be used. 5mx5m square grid control slope, height. When using cement concrete as the base layer of artificial turf, the emphasis is on the mix design of cement concrete and the partitioning of cement concrete surface. For the design of cement concrete mix ratio, please refer to the relevant content of the body blog network. However, to minimize the amount of cement, other additives can be used to mediate. But Guan Jian does not appear less than 90 degrees after the block. Acute angle