Especially fine sand CGM high-strength grouting material water cement ratio, the control of workability - Grouting material

CGM high-strength grouting CGM high-strength grouting material prices CGM high-strength grouting material manufacturer, CGM high-strength grouting material ratio of water control, because of the large specific surface area, fine sand to achieve the same consistency, relatively coarse, medium sand, need to use some water, then will increase with high-strength non-shrink grout material action of the cement. And increased water use is to adjust one of the measures of concrete grouting material workability, with low sand percentage, adjustment of aggregate gradation, etc. , are adjusted CGM high-strength concrete grouting material has good workability of method, can also be mixed with fly ash at the same time, make full use of fly ash particles form effect, Qingdao gray chemical grouting material mountain fire activity effect and micro aggregate effect, to improve the workability of CGM high-strength concrete grouting material and the compactness, achieve the goal of reducing the cement dosage. , fine sand, because of the large specific surface area of mixing equal strength of concrete grouting materials needed in the dosage of cement, coarse sand concrete grouting material, mixing the same intensity of concrete grouting material water-cement ratio than medium and coarse sand CGM high-strength concrete grouting material, water and because of the special fine sand concrete grouting material fluidity and impact strength is very big, so we will strictly control water consumption in the construction. Mixing of automatic feeding device to check the accuracy of metering device, often for correction, to ensure the water content and cement dosage calculation error to meet specification requirements. It is forbidden to use water to make up for the CGM high-strength concrete grouting material in the slump loss in the process of transportation. Water pouring concrete grouting material warehouse area should be clean before concrete grouting material warehousing, rain and snow to warehouse to cover or stop the construction. Second, CGM high-strength grouting material workability control especially fine sand concrete grouting material is suitable for the low liquidity concrete grouting material and semi-dry concrete grouting material. To vibration of concrete grouting material mixture, can make the concrete grouting material from the elasticity, viscosity, plastic state into a viscous flow state. At this point, the fine particles smaller, grain shape is coarse, medium sand and tidy, not too much bump, the surface is smooth, under the condition of vibration, strong ability to slide, flow faster. CGM high-strength grouting material because of the special fine sand concrete mortar mixture amount is small, in order to increase the liquidity, must be more mud with water or improve water cement ratio, lead to increase the dosage of cement or common, fine sand mixed cement strength grade of concrete grouting materials, the economic and technical performance are adverse, so its liquidity should with small advisable. According to the workability of concrete grouting material, determine the specific requirements of the workability in the mixing station and the construction site in outlet equipped with slump test tube, check concrete grouting is expected to slump. Building materials suggest the special fine sand concrete grouting material, due to the special fine sand bibulous rate is higher, mixing of concrete grouting was also sensitive to water consumption is expected to slump, so deal with fine sand moisture content increase test frequency, timely and accurate adjustment of proportion of water consumption.