Bearing the mix proportion design of grouting material

A pedestal grouting material proportioning design, the design process: 1, of raw materials: ( 1) Cement base bearing grouting material: building materials co. , LTD. , the production of cement grouting material, by testing the indicators are conform to the requirements of the specification. ( 2) Water: drinking water. 2, mixture ratio, 25 kg/bag with 4 is determined. 0 - 4. 5 l of water to achieve the required consistency, with electric mixer at lowest speed, No faster than 500 RPM) Until the stir to mix well. Finally determine the cement grouting material: water = 1-0. 144 as a test of the second, the strength of inspection, measurement laboratory ( W/C） = 0. 16, mixing mortar mixing content, the dosage of mixture material list as follows: cement base material W/C pedestal grouting material fluidity of water ( mm） 7 d intensity ( Mpa） Strong degree of 28 d ( Mpa） 0. 16 1 0. 144, 320, 50 to 60