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https://www.law.cornell.edu/cfr/text/30/75.209
§ 75.209 Automated Temporary Roof Support (ATRS) systems. (a) Except in anthracite mines and as specified in paragraphs (b) and (c) of this section, an ATRS system shall be used with roof bolting machines and continuous-mining machines with integral roof bolters operated in a working section .
https://www.dep.pa.gov/Business/Land/Mining/BureauofMineSafety/Services/Guidelines/Pages/RoofBolting.aspx
Temporary supports when used in conjunction with the ATRS system will be installed only after the ATRS system has been pressurized against the mine roof in the work area. Boom mast jacks, where used, shall be pressurized against the mine roof during roofbolting operations.
https://medical-dictionary.thefreedictionary.com/automated+temporary+roof+support
automated temporary roof support A support system used in underground mining operations designed to provide bolting operators with temporary support while installing roof bolts.
https://www.govregs.com/regulations/30/75.209.
§ 75.209 - Automated Temporary Roof Support (ATRS) systems. (a) Except in anthracite mines and as specified in paragraphs (b) and (c) of this section, an ATRS system shall be used with roof bolting machines and continuous-mining machines with integral roof bolters operated in a working section.
https://www.acronymattic.com/Automatic-Temporary-Roof-Support-(ATRS).html
ATRS stands for Automatic Temporary Roof Support. ATRS is defined as Automatic Temporary Roof Support very rarely. ATRS stands for Automatic Temporary Roof Support. Printer friendly. Menu Search "AcronymAttic.com. Abbreviation to define. Find. Examples: NFL, NASA, PSP, HIPAA.
https://patents.google.com/patent/US4595316A/en
A lightweight jack for supporting the roof of a mine until permanent supports are in place. The jack is carried by a roof bolter or similar mining equipment on the end of a support arm. A hinge box is mounted on the sidewall of the roof bolter and one end of the arm is hingedly received therein. A support plate extends from the sidewall outwardly below the arm.Cited by: 11
http://www.jhfletcher.com/products/mrs.html
Mobile Roof Supports (MRS) - Fixed Frame, Low Seam A video is available for this machine. These MRS are designed for thin seam pillar recovery. There are two models, one with a 32" (.8m) collapsed height and one with 36" (0.9m) collapsed height.
http://www.freepatentsonline.com/5938376.html
Aug 17, 1999 · In an automated temporary roof support, ATRS, adapted for connection with a tramming vehicle to form a mobile assembly, said ATRS comprising a mounting plate and a temporary roof support assembly means, said mounting plate having two opposed surfaces, one of said surfaces of said mounting plate having connecting means for relative movement ...
https://law.lis.virginia.gov/vacode/title45.1/chapter14.3/section45.1-161.114/
Code of Virginia. Table of Contents » Title 45.1. Mines and Mining » Chapter 14.3. Requirements Applicable to Underground Coal Mines » Article 2. Roof, Rib and Face Control » § 45.1-161.114. Automated temporary roof support systems
https://www.eng-tips.com/viewthread.cfm?qid=25657
Jun 23, 2002 · Temporary roof supports Temporary roof supports INBCPE (Mechanical) (OP) 21 Jun 02 20:30. When replacing a roof joist support beam (as in the case of permanently removing an existing column and the two beams attached to it, and spanning the gap with a single larger, properly sized beam), is it best to support the adjoining web joists from below ...
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