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| DEVELOPMENT OF TYPE SPZ-6 WET CONCRETE SPRAYER |
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| DOI： |
| KeyWord:Concrete sprayer Shotcreting support, |
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| Beijing General Research Institute of Mining and Metallurgy |
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| Abstract: |
| The new technology of shotcreting support is widely used in the underground mining,tunnel construction and building construction.At present dry concrete sprayers are mainly used in China so as to have higher dust and more reflectance,not only polluting operating environment but also lowering supporting strength and resulting in waste materials.The shortcomings of dry concrete sprayers are overcomed effectively by recently developed model SPZ-6 wet concrete sprayer which has lower dust,less reflectance and higher shotcreting strength.The prospects of its application and development are broad.This paper presents the principles and structural features of model SPZ-6 wet concrete sprayer in detail.Its application is also in troduced in the paper. |
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