Lu'an, Linyi grouting material - 2012 high performance grouting material Outlook 
 Make full use of the coming era of ultra high strength grouting material structure, most of the design specifications and strength design of more than 60MPa into account. Nevertheless, the structural design is the use of higher strength gradually be implemented. Some structure does not require high strength, but the provisions of high-strength, high elastic modulus. In addition, many examples show that. Low permeability and high resistance to abrasion performance derived from the high durability is the most important. High-performance grout, Liaocheng grouting materials, the Lu'an grouting material performance have been utilized. 
 Therefore, there is no doubt that the high performance grouting material in the project will become an increasingly widespread. There are no technical difficulties. However, the extensive application of high performance grouting material, Luan grouting material, will require that the grouting material of goods manufacturer can provide the relevant provisions of the strict control of material composition and production process quality control system. At the same time, these provisions is conditional, and must meet the requirements of the engineering staff and the owners, not surprising that the owners are unwilling to specify a certain kind of can not get ready-made materials. Must break this deadlock, the use of this cost-effective good material is very favorable; the value of money should not just from the cost consideration, should also improve the durability measured in terms of structural components smaller and lighter, occupy the space also less. 
 Lightweight aggregate 
 The basic characteristics of lightweight aggregate with high porosity, resulting in low surface density. Some lightweight aggregate is a natural formation, and the other is the artificial aggregate of natural aggregate or industrial by-products processing system. 
 Natural lightweight aggregate 
 Aggregate fall into this category are: diatomaceous earth, pumice, scoria, volcanic ash, tuff, in addition to the diatomaceous earth outside, others are volcanic diagenesis. Due to the natural lightweight aggregate is only found in certain parts of the world, the application is not wide, but they can be used to prepare well in strong grouting material, the Liaocheng grouting material, Lu'an grouting material. 
 Pumice is a light-colored, honeycomb-like volcanic ash, glassy material, the apparent density of 500 ~ 900kg/m3. Structure is not very weak pumice, can be prepared by the apparent density of 800 ~ 1800kg/m3 qualified grouting material. Grouting material, the the Lu'an grouting material with good thermal insulation performance, but the adsorption and contraction. Pumice preparation of grouting material can be traced back to Roman times; the Pantheon and the Stadium is an existing example. Scoria is a foam-like glassy rock, similar to the industrial slag concrete performance is also similar to pumice grouting material. 
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