Study of the Stress-Strain State in the Mined Potassium Massif with Inclined Bedding

来源 :地质材料(英文) | 被引量 : 0次 | 上传用户:Wangyu
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
This paper presents results which concern regularities of propagation of discontinuous zones from mined-out space in rock massif with inclined bedding structure. The dependencies of maximal height of these zones from the inclination angle of productive be
其他文献
Clay minerals, as e.g. montmorillonite, abundantly exist in the slip zones such as earthquake faults and landslides. Water contents are an important factor for
This paper proposes an effective method for early diagnosis (stress concentrating) of the oil-gas pipeline. Based on the principle of electromagnetic induction
我国自1999年高校扩招以来,高等职业教育取得了历史性的成就,办学规模不断扩大,社会认可度不断提高,就业率逐年提升,涌现出了一批示范性的高职院校,高职教育成为全国高等教育
This paper presents a new process for synthesizing a kind of nitrogen- doped carbon nanotubes (N-CNTs) with primarily a ‘graphite-like’ structure at N substit
《中国好声音》等节目通过模仿或移植西方电视节目形态,取得了不俗的收视率,同时也推动了西方尤其英美电视节目在中国的传播。该电视节目所运用的视听结合的方式、真实的语言情
"大刀向鬼子们的头上砍去……","旗正飘飘,马正萧萧,枪在肩,刀在腰,热血似狂潮……",民革中央合唱团雄壮的歌声飘扬在河北迁西县喜峰口长城上,也响彻了人民大会堂礼堂.为纪念
中国共产党领导的多党合作和政治协商政治制度,是中国革命和建设实践中形成的具有中国特色的政党制度.是中国的一项基本政治制度。改革开放以来特别是党的十三届四中全会以来.我
Unconventional hydrocarbon reserves substantially surpass those of conventional resources and therefore are extremely economically attractive. However, explorat
The main objective of this study is to contribute to the optimization of the formulation of sand concretes and its valorisation according to natural sands from
应对金融犯罪,要从立法和执法两方面入手。从立法方面来说,要针对犯罪现实适时调整或设立相关法律.如在洗钱罪方面.国外是分为“洗钱罪”和“帮助洗钱罪”,而现在我国的“洗钱罪”