运动场地施工塑胶跑道铺设对基础地面的要求

1、基础竣工后,水泥面层不得太光滑,不得有起砂、起壳脱皮和裂纹等现象。
1, the foundation is completed, the cement surface shall not too smooth, can not have the phenomenon such as sand, shell peeling and cracking.
2、运动场地施工平整度:3m直尺允许误差3mm以内。
2, sports venue construction roughness: 3 m straight edge margin of error within 3 mm.
3、坡度:符合体育工艺指标。
3, grade, conform to the sports technical index.
4、抗压强度:R20>25kg/平方厘米
4, compressive strength: the R20 > 25 kg/cm2
R50>10kg/平方厘米
R50 > 10 kg/cm2
5、基础表面无阻水现象。
5, base surface shine water phenomenon.
6、保养期: 室外气温25℃以上24天。
6, warranty: outdoor temperature above 25 ℃ for 24 days.
室外气温15℃-25℃之间30天。
Outdoor temperatures between 15 ℃ to 25 ℃ for 30 days.
室外气温25℃以下60天。
Outdoor temperature below 25 ℃ to 60 days.
(以挥发水泥中的碱性成份,保养期内多浇水)
(in the basic component of volatile cement water more warranty period)
7、塑胶层铺设前,基础层应无油、无灰、干燥。
7, before laying plastic layer, base layer should be no oil, no gray, dry.
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