In engineering , utilities and railways are actually effectively utilized experience. As an example , strains of six double-track railway Nanshan River king 64m easy box girder bridge , made to C55 large overall performance concrete, calcite applied in toothpaste utilizing all mechanisms of sand , engineering quality standards, when each and every 108 m of concrete expense cost savings to 137 million.Secondhand Stone Crusher For Sale. 3 Gorges Dam two, 3 operates will take the total aggregate 34,438,800 m, all utilizing artificial aggregates , to meet the task requires , though saving many building funds , and achieved superior social positive aspects. As a way to adapt on the artificial sand rather of pure sand desires , standardize and market the application of artificial aggregates in concrete .
Because the 1970s , all over the nation have launched numerous regional and business specifications , such as the initially nearby specifications Guizhou Province "Mountain sand concrete technical requirements"( later amended to"the mountain of sand concrete technical specs " DBJ an 01,695 ) ,Mobile Stone Crusher For Sale followed by there are"artificial sand Yunnan technical requirements and application procedures, calcite grinding plant" Henan "artificial sand good quality standards and application of technical regulations " (DBJ41/T0482003, revised ) , Chongqing City, " sand good quality requirements and control mechanisms concrete system " (DB50/50172000 ) and other local specifications.
2001 artificial sand not included inside the new nationwide standard " building sand " (GB/T146842001), the application of artificial sand undoubtedly played a purpose . As the sand across the manufacturing and application level mechanisms fluctuate significantly in terms of the mechanism of sand within the nation just producing.