09獨立柱基礎工程.doc

一、 施工準備
（一） 作業條件
1、 辦完地基驗槽及隱檢手續。
2、 辦完基槽驗線驗收手續。
3、 有混凝土配合比通知單、準備好試驗用工器具。
（二） 材料要求
1、 水泥：水泥品種、強度等級應根據設計要求確定，質量符合現行水泥標準。工期緊時可做水泥快測。
2、 砂、石子：根據結構尺寸、鋼筋密度、混凝土施工工藝、混凝土強度等級的要求確定石子粒徑、砂子細度。砂、石質量符合現行標準要求。
3、 水：自來水或不含有害物質的潔凈水。
4、 外加劑：根據施工組織設計要求，確定是否采用外加劑。外加劑必須經試驗合格后，方可在工程上使用。
5、 摻合料：根據施工組織設計要求，確定是否采用摻合料。質量符合現行標準要求。
6、 鋼筋：鋼筋的級別、規格必須符合設計要求，質量符合現行標準要求。鋼筋表面應保持清潔，無銹蝕和油污。
7、 脫模劑：水質隔離劑。
First, construction preparation
(A) Operating conditions
1 After this foundation ditch and implicit review procedures.
2 After this foundation trench line acceptance test procedures.
3, notice concrete mix, ready to test labor apparatus.
(B) material requirements
1 cement: cement variety, intensity levels shall be determined according to design requirements, quality standards consistent with the existing cement. Tight time schedule can do quick measure of cement.
2, sand, gravel: According to the structure, size, density reinforced concrete construction techniques, concrete strength requirements determine the size of gravel, sand fineness. Sand, stone quality and meet the current standards.
3, Water: tap water or clean water free of harmful substances.
4, admixture: According to the construction organization design requirements, determine whether the use of additives. Additives must be approved by test-requisite for use in engineering.
5, admixture: According to the construction organization design requirements, to determine whether the admixture. Quality meets current standards.
6, steel: steel grade, size must meet the design requirements, quality meets current standards. Steel surface should be kept clean and free of rust and oil.
7, release agents: water release agent.
 

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