Anti-cracking Self-leveling Backfilling Process for Thick Floor Heating

Release time:



Shandong Xindadi Group


Anti-cracking Self-leveling Backfilling Process for Thick Floor Heating

Anti-cracking self-leveling backfilling process for thick layer of floor heating can change the traditional construction process of floor heating. Self-leveling mortar will be backfilled once, the ground will be smooth and flat, and the surface material will be directly paved, 20mm-50mmthick layer self-leveling cementMortar layer can solve the ground cracking, ground flatness is not enough in the construction of the two major problems. This change can greatly reduce the load on the structure, reduce the cross-section of beams, columns and foundations, and increase the height of the building space with the same floor height, or reduce the low floor height when reaching the same indoor net height, thus saving considerable building materials and reducing the overall construction cost. On the other hand, when these old buildings are demolished, the construction waste will be reduced. There is no doubt that these characteristics will have a positive impact on the construction, use and demolition process of the building, with obvious economic, social and environmental benefits.
Ground cracking mainly depends on the ground temperature difference and temperature. Because our conventional floor heating condition is 60 ° water supply/50 ° return water design, the ground temperature requirements are relatively high, the temperature difference is very large, so it is easy to cause the ground heat expansion and contraction, easy to crack and deformation. The efficient end in the radiation surface increased, can greatly reduce the water temperature, and reduce the temperature difference. At this time, the ground temperature is basically the same as the heating mode in summer. When the heating mode is in summer, the ground will not crack and the floor will not expand and contract with heat. The high-efficiency floor heating end can greatly reduce the thickness of the backfill layer, and achieve the purpose of fast heating, heat storage and energy saving at the high-efficiency end.
Floor heating thick layer anti-cracking self-leveling backfill process advantages:
1. The product has the fluidity, can be artificial or mechanical pumping construction
2. The construction thickness of more than 30mm without cracking phenomenon, is the best floor heating backfill mortar
3. Compressive strength of material shall not be less than C20
4. The flatness reaches 3 meters, and the height difference is less than or equal to 2mm.
5. Without the traditional method of maintenance, in the construction of 24 hours after the construction of other built-in construction
(2 hours after the summer construction/winter construction after 6 hours, Shore hardness reached 60, can walk)
6. After construction, there is no need to carry out the construction of the ground layer and its leveling layer, and other ground paving materials can be directly paved on the surface layer, shortening the construction period and reducing labor costs.

Key words: