ACI SPEC-522.1-20 PDF DownloadLoad
《ACI SPEC-522.1-20 透水混凝土路面施工技术规范（含SI公制版）》PDF下载
规范规定透水混凝土的材料、配合比、拌制、摊铺、压实、养护及验收最低要求：目标孔隙率15-25%，28 d抗压强度≥17 MPa，透水系数≥0.14 cm/s；施工时压实厚度100-200 mm，环境温度≥5℃，养护期≥7 d；提供现场密度桶、透水系数和取芯强度检验方法，用于停车场、人行道、低流量道路等海绵城市设施，实现雨水就地入渗、缓解城市内涝并补充地下水。
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