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    普通混凝土用砂质量标准
    来源:http://www.jndmzp.com   时间:2015-12-17 17:02:58
    1水泥:采用普通硅酸盐水泥,强度不低于32.5级,其质量应符合《硅酸盐水泥、普通硅酸盐水泥》(GB175-1999)标准。
    1 cement: Ordinary portland cement, strength is not less than 32.5, the quality should be in accordance with the "Portland cement, ordinary portland cement (GB175-1999) standards.
    2黄砂:采用中粗砂,其质量应符合《普通混凝土用砂质量标准及检验方法》(JGJ52-92)标准。
    2: the sand in the sand, its quality should meet the "ordinary concrete sand quality standards and test methods" (JGJ52-92) standard.
    3石子:采用粒径为5-40毫米的碎石,其质量应符合《普通混凝土用碎石或卵石质量标准及检验方法》(JGJ53-90)标准。
    3 stones: the use of particle size of 5-40 mm of gravel, the quality should be in accordance with the "ordinary concrete with gravel or gravel quality standards and inspection methods" (JGJ53-90) standards.
    4其它材料:如地面防潮隔汽材料、混凝土外加剂、自流平涂层、表面硬化剂等楼地面面层材料,均应符合相关材料专项标准要求,并按规定取样检验。
    4 other materials: such as the ground moisture insulation material, concrete admixture, self leveling coating, surface hardening agent and other floor surface layer materials, should be in accordance with the relevant materials to the special requirements, and according to the provisions of sampling inspection.

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