Advantages of thick layer self leveling cement mortar in modern construction industry


Release time:

2021-05-09

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Advantages of thick layer self leveling cement mortar in modern construction industry
The rapid development of the building decoration industry, making people on the ground more and more high. The concrete floor of the continuous cracking, sand has been unacceptable. Because the ground is more and more important to people's daily life and production activities, more and more customers require the ground to be functional and decorative.The effect. The original old ground in the use of many years after the emergence of uneven, hollowing, cracking, sand, this is the customer in re-build the ground must face the problem. Due to the convenience of self-leveling mortar construction, rapid curing, ground leveling after construction, faster put into use and other advantages, making self-leveling sand Pulp has become a unique and effective way to quickly solve ground problems.
 
Self leveling mortar is composed of cement or gypsum cementitious materials, fine aggregate, filler and additives, and water (or emulsion) after mixing with fluidity or a little auxiliary paving can automatically leveling the ground material. Mainly used in industrial plants, shopping malls and parking lots.
 
Self leveling mortar is toward the formula is simple, excellent performance, stable quality direction, then to achieve this goal must first solve the two main problems of self leveling mortar application: one is the inevitable cracking problem; two is the problem of early strength. With the continuous development of self leveling cement, these problems are alsoOne by one, with the needs of market development, thick layer self leveling cement mortar has become a trend and quickly spread.
 
Thick layer self leveling cement mortar construction thickness between 5mm ~ 50mm. It is composed of cement-based or gypsum-based cementitious materials, fine aggregate, fillers and additives, and water (or emulsion) after mixing with the flow properties of automatic leveling or a little paving can be leveling ground materials. Generally used for ground leveling andSurface heating system. For residential building ground, the traditional leveling method is the field mixing cement mortar paving leveling, especially the rough room ground, its main disadvantages are:
(1) The construction mortar is thick and heavy, which brings a large load to the structure, especially for high-rise buildings, the increase in weight will directly affect the safety of the structure and the service life of the building;
(2) mixing mortar on site, the dust is serious, which will cause some pollution to the environment, and the labor intensity of construction workers is also relatively large;
(3) the traditional mixing mortar ground leveling, the final ground flatness is often poor;
(4) For the ground heating system, whether it is electric heating or hot water/gas heating, the use of traditional mixed mortar to bury the heating system will cause the mortar to crack due to the too strong rigidity of the mortar, thermal expansion and cold contraction, and even the heating pipeline will be broken and run away, which will also cause the ground tiles to be hollowed and cracked, resulting in wooden floor deformation.and other issues.
 

Key words:

Thick layer self-leveling