scholarly journals FY16 Progress Report on Test Results In Support Of Integrated EPP and SMT Design Methods Development

2016 ◽  
Author(s):  
Yanli Wang ◽  
◽  
Robert I. Jetter ◽  
T. -L. Sham
Keyword(s):  
Progress Report ◽  
Design Methods ◽  
Test Results ◽  
Methods Development

High-cycle fatigue tests of pretensioned concrete beams

PCI Journal ◽  
2022 ◽  
Vol 67 (1) ◽  
Author(s):  
Jörn Remitz ◽  
Martin Empelmann
Keyword(s):  
Fatigue Life ◽  
High Cycle Fatigue ◽  
Concrete Beams ◽  
Fatigue Behavior ◽  
Fatigue Tests ◽  
Design Methods ◽  
Test Results ◽  
Cycle Fatigue ◽  
Pretensioned Concrete ◽  
Current Design

Pretensioned concrete beams are widely used as bridge girders for simply supported bridges. Understanding the fatigue behavior of such beams is very important for design and construction to prevent fatigue failure. The fatigue behavior of pretensioned concrete beams is mainly influenced by the fatigue of the prestressing strands. The evaluation of previous test results from the literature indicated a reduced fatigue life in the long-life region compared with current design methods and specifications. Therefore, nine additional high-cycle fatigue tests were conducted on pretensioned concrete beams with strand stress ranges of about 100 MPa (14.5 ksi). The test results confirmed that current design methods and specifications overestimate the fatigue life of embedded strands in pretensioned concrete beams.

Particulate and Sulfur Oxides Emissions From a 60-MW Heavy Duty Gas Turbine Burning No. 2 Distillate Fuel: Methods Development and Test Results

1982 ◽  
Author(s):  
G. L. Touchton ◽  
M. B. Hilt
Keyword(s):  
Sulfur Dioxide ◽  
Gas Turbine ◽  
Sulfur Oxides ◽  
Test Results ◽  
Heavy Duty ◽  
Methods Development ◽  
Fuel Ash ◽  
Heavy Duty Gas Turbine ◽  
Extreme Care ◽  
Distillate Fuel

A method for the measurement of particulate and sulfur oxides emissions has been developed and tested in the laboratory and the field. The development shows that changes in analysis methods, procedures, and materials are necessary in order to adapt standard USEPA methods to gas turbine conditions. In particular, extreme care must be taken to prevent the formation of pseudo particulate from sulfur dioxide. The field results demonstrate that a G.E. MS7001B emits less than 10 lbm/hr of total particulate if the fuel ash and sulfur content are suitably restricted.

scholarly journals Test methods development of biomechanics of human movement utilizing the kinesiological electromyography

2019 ◽  
Vol 20 (1-2) ◽  
pp. 295-298
Author(s):  
Mateusz Kukla ◽  
Bartosz Wieczorek ◽  
Łukasz Warguła
Keyword(s):  
Human Movement ◽  
Preliminary Test ◽  
Test Methods ◽  
Test Results ◽  
Methods Development ◽  
Measurement Results ◽  
Patient Preparation ◽  
Selection Of

The article presents the issues concerning the development of methods for performing human biomechanics research utilizing kinesiological electromyography. The procedures concerning the selection of the location of electrodes, patient preparation for testing, conducting the experiment and the development of measurement results are dis-cussed in detail. Selected preliminary test results were also presented.

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