市政验收专家判断题汇总（Municipal acceptance expert judgment summary）.doc

市政验收专家判断题汇总（Municipal acceptance expert judgment summary） Three, to determine the problem (a total of 30 questions, each question 1 points) The 1 rings, prefabricated must be used not produced by HRB335 hot rolled steel cold drawn, not to replace other bars. (*) 2, finished products, semi-finished products, components and fittings, before use should be required to extract samples, testing organizations retest, retest results qualified before use. (*) The soil slope should not be 3, permeability smaller covered soil permeability larger. (*) 4, after prestressing, concrete strength should meet the design requirements, the design is not required, shall not be less than the design strength of 70%. (*) 5, hot mix asphalt mixture surface deflection value should not exceed design requirements, check the number of each lane, every 30 meters, measured 1 points. (*) 6, winter backfill 500mm above the top of pipe outside the scope can be mixed into the soil, the amount shall not exceed 30% of the total volume of soil, and the frozen block size shall not exceed 100mm. (*) 7, bending point of bending to the interface distance shall be not less than the diameter, and not less than 100mm. (V) 8, water supply and drainage pipeline engineering for raw materials, semi-finished products and finished products in contact with drinking water products must comply with the relevant requirements of health. (V) 9, rain water supply and drainage pipe laying, measures should be taken to prevent the pipeline floating. (V) 10, the digester qualified full water test, should also carry out air tightness test. (V) The rate should not exceed 3%, 11 deformation of steel or nodular cast iron pipe, the deformation rate should be no more than 2% chemical building materials pipeline. (*) 12, water treatment building floor underground, should carry out the anti floating stability checking. (V) 13, sealing anchor strength grade of concrete strength grade of concrete shall not be lower than the correspondin