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Concrete and reinforced concrete construction program

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1. Basis of Preparation: Contracts, drawings, regulations, standards, quality assessment standards. 2. Project Overview (should be relevant and concrete before, indicate each part of the basic amount of concrete, ready-mixed concrete suppliers) 3. Quality 4. concrete mix design goals and auditing (1) concrete requirements for raw materials; (2) concrete mix requirements; (3) supply of concrete; (4) checking concrete pumping capacity; transport (5) concrete. 5. pouring concrete (1) construction preparation; (2) construction conditions; (3) pouring concrete; (4) column concrete pouring; (5) pouring concrete shear wall (6) pouring concrete slab; (7) Concrete stairs pouring; (8) structural column, pouring concrete ring beams; pouring belt (9) after concrete pouring. Which includes concrete admixtures requirements; requirements for setting time of concrete; concrete slump requirements; levels in different parts of the concrete, leaving in vertical construction joint position requirements; concrete construction joint requirements; concrete pump, pump tubing and pump position different parts of the concrete slab requirements wipe the surface;; requirements for concrete vibrators vibration tools and methods; fixed tube requires segregation of different strength grade concrete intersection of the concrete. 6. 7. The concrete block and conservation measures to ensure the quality of product protection 9. 8. safe and civilized construction
(1) template design, process design based on fair-faced concrete wall height of 13m, the length of 34.6m, a thickness of 0.5m, the design of the wall cicada seam topstitching requirements, using the wall template with a thickness of 12 mm, 1220 × 2440mm of Plywood covered were assembled, smooth bamboo has high strength, good toughness, smooth surface, wide-format, less patchwork, easy mold release characteristics. (2) On the basis of template installation concrete pouring is completed, the base elevation of the top of the concrete to be strictly controlled to ensure that the level on the wall template. Control template verticality is the key step, each template before fixing must be strictly controlled. Template vertical transport of scaffolding on the use of hand hoist, horizontal transport using manual handling. Templates in the handling process to the use of surface protection, to ensure that will not be damaged. To ensure that does not leak between the template and the template pulp, cracks in the template posted double-sided adhesive to ensure continuous tightly between two templates. Before template installation to wipe clean the surface evenly coated with a release agent. (3) the template of bolt and bolt arrangement using reinforced through the wall sleeve to add plug positioned to ensure that the position of the perforations through the wall tight to prevent leakage of plasma, wall bushing strength sufficient to locate the template spacing, resistance to new concrete pouring liquid pressure without generating the template gap is too large, plasma leakage phenomenon.

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