Mixed sand high-strength non-shrink grout material mixture ratio - five design principles Changchun pedestal grouting material

High-strength non-shrink grout high-strength non-shrink grout material price high-strength non-shrink grout material manufacturers can be mixed by sand, fine sand and mechanisms to make high-strength non-shrink grout material should follow the following basic principles. 1, the grouting sand mixing high-strength non-shrink grout material research and application show that the application scope of mixed sand high-strength non-shrink grout material mechanical properties, long-term performance and durability and natural medium sand high-strength non-shrink grout material, its mechanical performance index value according to the current structure design codes. The high-strength non-shrink grout material is suitable for construction, municipal, transportation, water conservancy construction industry such as high strength, no shrinkage grouting material engineering. Can used mixed sand preparation of plastic baotou grouting material model high-strength non-shrink grout material, liquidity high-strength non-shrink grout material, and a big liquidity high-strength non-shrinkage grouting material. 2, reasonable materials mixed sand and preparation of high-strength non-shrink grout material properties affected by the influence of the mechanism of fine sand and sand. Therefore, control the performance of the mixed sand is mixed sand preparation the good performance of high-strength non-shrink grout material foundation. In general, the performance of the fine should satisfy the requirements of the relevant provisions, as far as possible choose high fineness modulus, low silt content, less harmful substance content of fine sand. 3, durability durability of control is the key to ensure the structure function and life, so the mixture ratio design according to the structure using the environment confirmation mixed sand high-strength non-shrink grout material adaptability. 4, reasonable control the dosage of gelled material though through the mechanism of fine sand and sand mixing way, to a certain extent, improve the performance of the two kinds of sand, but the mechanism of sand edges, rough surface, mixed liquid high-strength non-shrink grout material or big liquidity high-strength non-shrink grout material, high-strength non-shrink grout material per unit volume is slightly higher than the total gelled material under the same conditions of natural medium sand preparation of high-strength non-shrinkage grouting material. 5, validation, crack resistance by building materials research and engineering application showed that the mixed sand under same environmental conditions, high-strength non-shrink grout material early water loss rate is higher than natural medium coarse sand high-strength non-shrink grout material, can lead to high strength non-shrinkage grouting material structure in early shrinkage cracking. As a result, high strength mixed sand high-strength non-shrink grout material mixture ratio of verify the early crack resistance.