| 发明名称 |
METHOD FOR DIAGNOSTICS OF STRESSED STATE IN PROTECTIVE COAL PILLARS AT AUGER COAL EXTRACTION |
| 摘要 |
Method for diagnostics of stressed state in protective coal pillars at auger coal extraction includes outer power effect on section being studied, determination of intensity of acoustic emission, determination of stressed state of massif. |
| 申请公布号 |
UA30384(U) |
申请公布日期 |
2008.02.25 |
| 申请号 |
UA20070011890U |
申请日期 |
2007.10.29 |
| 申请人 |
STATE ENTERPRISE &LDQUO,SCIENTIFIC-TECHNICAL CENTER FOR PROTECTION OF INTERIOR OF EARTH AND CONSTRUCTIONS OF THE UKRNDMI OF THE NAS OF UKRAINE&RDQUO, |
发明人 |
KYSELIOV MYKOLA MYKOLAIOVYCH;KHODYRIEV YEVHEN DMYTROVYCH;ANTSYFEROV VADYM ANDRIIOVYCH;KVASHUK OKSANA YURIIVNA |
| 分类号 |
E21C39/00 |
主分类号 |
E21C39/00 |
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