Concrete floor, cement mortar wall off the sand, what material can be handled?
2: a lot of cement concrete old ground, in the use of a few years later, under the action of the forklift under the ground will appear different degrees of ash, from the sand, from the shell, cracking, hollowing phenomenon, with the growth of life, Nitriding, water erosion and weathering effect, the floor surface will continue to pulverize, affecting the normal use
Concrete-like sand from the concrete floor of the workshop, plant or outdoor concrete floor in the use of a period of time will appear the following questions: 1: ground sand for a variety of reasons: Cement label is not enough, the sand is too small with too much soil, ingredients when the water-cement ratio is too large, sprinkler maintenance is not timely and so are likely to cause the ground from the sand
