The Huainan ZAOZHUANG grouting material - the use of pumping grout compound Run mortar 
 Pumping the grouting material is the grouting material to pump grouting material is transported to the surface of a grouting material in construction work. Before the pumping of the grout material, you need to transport water and fountain pump materials, and clear the pipe. ≥ (JGJ/T10-1995) provides that construction technical regulations in accordance with ≤ grouting material pumping, pumping the grouting material. The Huainan grouting materials Run pump mortar commonly used slurry, 1:2 cement mortar and concrete, in addition to the coarse aggregate other components of the same with the ratio of cement mortar, full lubrication of the pump piston and the pipe wall, forming a layer of lubricant film, which effectively reduce the flow resistance of the concrete and pipe, to avoid the sticky pulp due to the pipeline caused by obstruction to achieve normal pumping , whose role is generally Run pump. Run pump mortar as pumping grout, grouting material appendage of Huainan, very irregular in practical applications, the following problems. 
 Run pump mortar is not a correct understanding of 
 Many site using premixed commodity grout, fountain pump mortar is often used not only for the Run pumps, often used on the project site, which is a lot of construction workers take for granted things. Site technician before construction apply to the mixing station for ready-mixed grout material, often only in the application form indicate the grouting material, technical requirements and supply time of the Huainan of grout, while ignoring the mortar. Some fairly standard stir when standing on the production and supply, even according to the site of the construction site and the characteristics of the construction methods, targeted design mortar with than need to access (such as scissors, walls, columns, after pouring with rubbing parts), and some quality control of non-standard mixing station is not strict quality control system, fountain pump mortar did not take the quality assurance measures, did not seriously develop appropriate mix ratio, as long as it is a fountain pump mortar, often only one with the execution, which opened for the quality of hidden the green light. 
 Construction error Run pump mortar 
 Many construction units in the pouring of the floor, fountain pump mortar tend to be hit by pouring in began pouring the floor end or construction joints, and then covered with a grouting material, resulting in the roof of local construction joints mortar is too dense, so that the floor strength crack resistance variation, other parts of the pouring of this phenomenon is also very common, prone to a lot of quality problems. Floor are more likely to appear at the bottom of the sand excessive accumulation of the quality of disease, serious condition that could endanger the structural safety. Construction site of a lot of construction unit, scissors walls, columns, etc. are often not in accordance with specifications pre-shop the same proportion of mortar, but only to Run the pump is directly pumped to the scissors wall, column, As for pouring how much there is no strict control, and sometimes scissors wall. column where the mortar too much, and sometimes fail to meet requirements that are not even a little, grout, the Huainan grouting material component roots mortar excessive, insufficient strength, there may appear to plasma leakage, rot, cellular and other diseases. 
 Run pump mortar settlement is not standardized 
 The signing of the contract of the grouting material construction unit and the manufacturers of ready-mixed grout material, often involving the grouting material, the the Huainan grouting material, often ignore the fountain pump mortar; some construction units in the settlement does not recognize the fountain pump mortar reasonable that is the grout, mortar mixing station for their own convenience, and the site. Mixing station to reduce costs, was forced to cut corners, manufacture of non-compliant Run pump mortar, creating a vicious cycle, resulting in the quality of the project risks. 
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