施工技术-散水施工工艺（Construction technology - water - dispersed construction technology）.docVIP

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施工技术-散水施工工艺（Construction technology - water - dispersed construction technology）.doc

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施工技术-散水施工工艺（Construction technology - water - dispersed construction technology）

施工技术-散水施工工艺（Construction technology - water - dispersed construction technology） Process of bulk water construction A,? Construction preparation (I) working conditions 1,? ????? The wall decoration has been basically completed, the outer scaffolding has been removed, the water base elevation, the dimension has been inspected, and has been completed, the procedure of the advance inspection. 2.? ????? The scattered water should be divided into pieces, and the length of the block should not be bigger than 6m. The remaining seam should consider the overall effect of the building. 3,? ????? Peg the horizontal piles according to the elevation line. 4,? ????? Check the mix ratio of the concrete, check the backstage scale, and carry out the opening at the end of the opening. The strength of the concrete is not less than C15. 5,? ????? The size of bulk water should be according to the design drawing, the width of the general gray soil cushion shall not be less than 800mm, the thickness of the thickness shall not be less than 150mm, and the width of concrete shall not be less than 600mm. The thickness is not less than 50mm. (2) material requirements 1,? ?? ? Soil: appropriate use priority base slot to dig in the soil, or similar soil clay, loam, must not contain any organic impurities, before using appropriate sieving, its size is not more than 15 mm, water content is 12% ~ 15% (feel can knead dough, light break away). 2.? ????? Lime: the application of ash or lime powder can be thoroughly cooked before use. It should not contain unripe lime blocks, and its particle size is not greater than 5mm, and it should not contain excessive moisture. 3,? ????? Cement, appropriate is used more than 32.5 on the Richter scale and its silicate slag Portland cement, Portland, or, appropriate chooses the same cement production factory with varieties at the same time, with the concrete strength grade, the same factory number. 4,? ????? Sand: medium sand or coarse sand, less than 3 %. 5,? ???