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| DISCUSSION ABOUT FACTORS IN DESIGNING COAL AREA STRUCTURES |
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Received:April 12, 2006
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| DOI： |
| KeyWord:structures in coal area; design; working life; carbonization; mine gob |
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| 1. The Earthwork Company of Pingdingshan Coal Mine Henan, Pingdingshan 467001, Henan, China ; 2. The Civil Institute of Henna Polytechnic University, Jiaozuo 454000, Henan, China |
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| Abstract: |
| The factors which are limited reserves, high concentration carbon dioxide and enlarge mine gob should be taken into considered when designing the structures in coal area. Taken the part surface structures in Pingdingshan coal group as examples, it shows that the durability problems of concrete structures have not been received enough attention so as to increase maintenance and repair cost. Some improving structures durability.measures for building new structures are presented in the paper. |
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