Cement grouting material why want to strictly control the water cement ratio

grouting material ratio of water bearing grouting material ratio of water cement grout material is based on cement, aggregate ( Stone, quartz sand, etc. ) With water reducing the seam an agent, expansion beautiful seam an agent, and other concrete added beautiful seam an agent and become a kind of mixing material. Material before delivery, factory qc sampling in advance, according to the standard for various trials, to provide this batch of water-cement ratio is one of these! This material after construction, due to the large water consumption, material in the solidification process will appear a variety of bad effect! Such as the summer temperature is too high, too much water, water will send too fast, causing cracks, frosty winter moisture volatilize after slow frozen! Excess water, precipitation surface exudation, gelled material, and the uniform flow during the construction of uniform flow was not a part of aggregate is part of the slurry is! To prevent excessive water addition, the cement grouting material adverse consequences, we must strictly control the water!