Download or read book Review of Single entry Longwall Mining Technology in the United States written by F. Michael Jenkins and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Single entry Development for Longwall Mining written by Melvin E. Poad and published by . This book was released on 1977 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Bureau of Mines report presents two phases of a research program to evaluate a single-entry system for longwall development. Organizations participating in the program, which began in July 1971, include the Bureau of Mines, the Mining Enforcement and Safety Administration, and the University of Utah, working under a cooperative agreement with Kaiser Steel Corp. at its Sunnyside mine in Utah. Part 1 of this report desribes the present longwall mining practice, including a brief history, and discusses the advantages and disadvantages of a single-entry development system and its introduction in the United States. Part 2 of the report presents the research program, test design, instrumentation for ground and support evaluation, and the test results from the No. 2 mine. Subsequent reports will describe the research conducted in the No. 1 mine.
Download or read book Single entry Development for Longwall Mining written by Melvin E. Poad and published by . This book was released on 1977 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Single entry Development for Longwall Mining written by Melvin E. Poad and published by . This book was released on 1977 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Design of a Single entry Development System for Retreat Longwall Mining Systems written by and published by . This book was released on 1982 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Information Circular written by United States. Bureau of Mines and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of Investigations written by and published by . This book was released on 1977 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bureau of Mines Research written by and published by . This book was released on with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Information Circular written by and published by . This book was released on 1982 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Minerals Health and Safety In house Research Development and Demonstration in Fiscal Year 1980 written by United States. Bureau of Mines. Division of Minerals Health and Safety Technology and published by . This book was released on 1980 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Longwall Mining 3rd Edition written by Syd S. Peng and published by CRC Press. This book was released on 2019-10-29 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past 13 years since the publication of Longwall Mining, 2nd edition in 2006, although there have been no major changes in longwall mining technology and operations, many incremental developments in the whole system as well as various subsystems of the existing longwall mining operational technologies as detailed in the 2nd edition have been added to this edition. Major developments are automation, and health and safety technology, as well as equipment reliability, thereby greatly increasing productivity and cutting cost. In particular, the longwall system can now run automatically cut by cut forever without operators' intervention provided that the geology allows it. Other health and safety features such as LASC, personal proximity detection, color lighting, automatic shield water sprays and remote shearer control are fully operational. There are more than 7000 sensors installed in current longwall mining systems. The big data obtained and fast communication technology have been fully utilized to improve and solve operational problems in real time. Those features are fully documented in the new edition. In pursuit of high productivity and cutting cost, life cycle management that increases equipment reliability has been implemented by OEM. Automation improvement such as tail-end automatic chain tensioner greatly extends AFC chain's service life. Other incremental improvements including dust and methane controls, entry development, panel design and face move are addressed. Additional operational issues such as extension of panel width and compatibility test are also discussed. Since the last plow longwall mine was closed in 2018, the chapter on plow longwalling has been dropped and in its place Automation of Longwall Components and System is added. Also, a new chapter Longwall Top Coal Caving Mining (LTCC) is added due to its successful application in Australia since 2005. Longwall Mining, 3rd edition will be of interest to professionals and academics in the field of mining engineering specifically, serving both as a reference work and an (under)graduate textbook, but will also interest civil, geomechanical and geological engineers and rock mechanics professionals, as well as coal operators, mining consultants, researchers, equipment manufacturers, and government regulators.
Download or read book Annual Report and Achievements Mining Enforcement and Safety Administration written by United States. Mining Enforcement and Safety Administration and published by . This book was released on 197? with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Modified Longwall Mining with a German Coal Planer written by Wilbur A. Haley and published by . This book was released on 1954 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bureau of Mines Strategic and Tactical Plan written by United States. Bureau of Mines and published by . This book was released on 1976 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Department of the Interior and Related Agencies Appropriations for 1976 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies and published by . This book was released on 1975 with total page 1268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Department of the Interior and Related Agencies Appropriations for Fiscal Year 1976 written by United States. Congress. Senate. Committee on Appropriations and published by . This book was released on 1975 with total page 1404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Department of the Interior and Related Agencies Appropriations for 1976 written by United States. Congress. House. Committee on Appropriations and published by . This book was released on 1975 with total page 1318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
