XIAOTING LI
Engineers in Cheswick, PA
License number
Virginia 0402056788
Issued Date
Sep 27, 2016
Expiration Date
Sep 30, 2018
Category
Professional Engineer License
Type
Professional Engineer
Address
Address
Cheswick, PA
Professional information
Stress, Geologic, And Support Analysis Methodology For Underground Openings
US Patent:
8224631, Jul 17, 2012
Filed:
Aug 18, 2009
Appl. No.:
12/543220
Inventors:
John C. Stankus - Canonsburg PA, US
Jinrong Ma - Cheswick PA, US
Hanjie Chen - Pittsburgh PA, US
Xiaoting Li - Cheswick PA, US
Jinrong Ma - Cheswick PA, US
Hanjie Chen - Pittsburgh PA, US
Xiaoting Li - Cheswick PA, US
Assignee:
FCI Holdings Delaware, Inc. - Pittsburgh PA
International Classification:
G06G 7/48
US Classification:
703 6, 73786, 405288, 4052591
Abstract:
A method of designing supports for an underground mine opening comprising the steps of: receiving mine slope information including at least one of site location, entry length, entry grade, entry orientation, size of opening, surface topology, adjacent borehole data and rock mechanics test data, historical roof fall height, and expected steel set support capacity; conducting stress and geological condition evaluation of the mine opening using a finite element computer modeling program based on the mine opening information; and designing structural supports for the mine opening utilizing the stress and geological condition evaluation of the mine opening.
Truss Shoe With Wedge Retaining Sleeve
US Patent:
2010031, Dec 9, 2010
Filed:
Jun 9, 2009
Appl. No.:
12/481017
Inventors:
John C. Stankus - Canonsburg PA, US
John G. Oldsen - Butler PA, US
Xiaoting Li - Cheswick PA, US
John Feyrer - Sewickley PA, US
Dakota Faulkner - Pittsburgh PA, US
Arthur J. Craven - Grand Junction CO, US
Demrey G. Brandon - Pittsburgh PA, US
John G. Oldsen - Butler PA, US
Xiaoting Li - Cheswick PA, US
John Feyrer - Sewickley PA, US
Dakota Faulkner - Pittsburgh PA, US
Arthur J. Craven - Grand Junction CO, US
Demrey G. Brandon - Pittsburgh PA, US
Assignee:
JENNMAR CORPORATION - Pittsburgh PA
International Classification:
E02D 29/00
US Classification:
405288, 4053022
Abstract:
A truss shoe for a roof support system includes a bolt receiving section, an intermediate section, and a cable engaging section. The cable receiving section has a passageway having a first open end spaced from, and in facing relationship, to the bolt receiving section and an opposite second end, wherein the passageway has a cone-shaped portion having a decreasing diameter as the distance from the first end of the passageway increases to receive a wedge shaped cable retention assembly. The surface of the intermediate section includes a cut out portion that extends from the first opening of the passageway toward the bolt receiving section and terminating at a riser. A locking tube has one end in the passageway in facing relationship to the retention assembly and the other end in engagement with the riser to prevent the retention assembly from moving out of the first opening of the passageway.