Use the slope of sand concrete problems

Sand does not comply with state regulations contain excessive if a large number of chloride ions present in the building, the process of erosion of steel is divided into latency and development period , after going through these two stages concrete batch mix plant, using the basic building sand can be called dangerous . Concrete mixer the state ‘s 50-year civil life mobile concrete plants for sale, building sand short life a lot. Materials Division Director Lin believes that the current problem using sand concrete slope appears on the Haikou , Wenchang and other places construction market , a long time , this concrete is easy to crack, precipitation , affecting the quality of concrete, with a certain security risk. Although it is not obvious hazards like sand , but this issue must be caused by the relevant departments attach great importance. ” Using the slope of sand and sand stucco walls and floor , will have serious damp phenomenon , long-term residence in this house , will give the body causing joint pain .” An industry source told reporters . Haikou City Concrete Construction Industry Association Professional Committee of?chongin an interview with reporters , said the sand is a sand slope , and is absolutely not allowed to be used on high-rise buildings , it is difficult to ensure project quality , should be eliminated. concrete mixing machine told reporters that the sand is by no means building news hollow block machine, but not what the reporter ‘s new discovery, this is definitely in the construction industry as we all know a little secret public inconvenience . In addition, the use of sea sand was well established , the regulatory body does not know , so the regulatory responsibility of dereliction of duty . More importantly , the people can not run to a safe life savings to buy a 70 -year real estate, regulatory negligence tantamount to murder , should be held accountable. Insiders said , identifying the main river sand and sea sand is sand in there to see a lot of white granular particles – these particles is a kind of shellfish sea after the death of residues, ” sand contains a large number of such particles , then it is probably the sand . “