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pre stressed phosphate sleepers crushing in germany

Pre stressed concrete sleepers crushing A concrete cube taken from the sleepers is tested in a cube crushing test which ascertains the strength of the concrete These cubes taken from one end of each line must reach a minimum strength of 32N per sq metre before detensioning is carried out We Have More Than 40 Years of Experience...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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