Construction waste recycled concrete grouting material problems existing in the study - General high-strength non-shrinkage grouting material construction

High-strength non-shrink grout high-strength non-shrink grout material price high-strength non-shrink grout material factory at present, usually in the sense of recycled aggregate concrete grouting material, it refers to the waste concrete grouting material block after crushing, washing, grading, must be graded according to the proportion of mixture, some or all of the natural aggregate (such as instead of sand and gravel Mainly coarse aggregate) Made from the new concrete grouting material. This new type of concrete grouting material has been some research institutions at home and abroad has carried on the thorough research. Related data show that the prepared with waste concrete grouting material piece of aggregate and recycled concrete grouting material, mechanical properties and durability of the corresponding requirements. Now, however, construction waste recycled still exist some disadvantages in the study. 1, the main composition of construction waste is waste brick, concrete grouting material block, waste slurry, etc. Moreover, from the current China's national conditions, brick of domestic garbage quantity is huge. Through the analysis of the feasibility of the recycled concrete rubble grouting material, use as recycled aggregates, make up the blocks of recycled concrete grouting material is completely feasible. Not only can solve the problem of growing garbage brick, the concept of 'circular building materials with guiding ideology of sustainable development strategy in our country. But the current study of brick and concrete grouting material is very few, in the brick and recycled concrete grouting material gained popularity before use, you need to do a lot of research work. & Nb yingkou grouting material sp; & N grouting material gc290bsp; 2, produced by brick structure demolition and construction waste, waste concrete, high strength non-shrinkage grouting material, waste brick block is interlaced together, to separate them is a very difficult thing to do, if you don't separate them, concentrated and broken as aggregate, and then, again to aggregate material of its classification, this approach is workable also need a lot of work to do. 3, the construction waste after crushing screening after classification, the main use is one of the coarse aggregate, and the fine particles has not been very good application. This will produce certain problems, beam body high-strength non-shrink grout material specification we in the use of construction waste at the same time, and produced the construction waste, is not conducive to environmental protection of our country. If the construction waste broken through the screening of fine material, after some or all of the replaced sand, use of recycled fine aggregate of them already so, increase the construction waste recycled concrete grouting material green property and economy. The technical route is feasible, need a lot of test to verify.