Design, Construction and Performance Monitoring of the Large-Scale Waste Rock Cover System Field Trials at the Historic Mount Morgan Mine Site in Queensland, Australia

Author(s):  
Michael O’Kane ◽  
Greg Meiers ◽  
Chris McCombe
2009 ◽  
Vol 24 (02n03) ◽  
pp. 462-466
Author(s):  
◽  
ALEKSANDRA BIEGUN

The Anti-Proton ANnihilation at DArmstadt (PANDA) experiment proposed at the Facility for Antiproton and Ion Research (FAIR) in Darmstadt (Germany) will perform a high-precision spectroscopy of charmonium and exotic hadrons, such as hybrids, glueballs and hypernuclei. A highly intense beam of anti-protons provided by High Energy Storage Ring (HESR) with an unprecedented resolution will scan a mass range of 2 to 5.5 GeV/c2. In preparation for experiments with PANDA, careful and large-scale simulation studies need to be performed in the coming years to determine analysis strategies, to provide feedback for the design, construction and performance optimisation of individual detector components and to design methods for the calibration and interpretation of the experimental results. Results of a simulation for the ElectroMagnetic Calorimeter (EMC), built from lead tungstate (PWO) crystals and placed inside the Target Spectrometer (TS), are presented. The simulations were carried out using the PandaRoot framework, which is based on ROOT and being developed by the PANDA collaboration.


2021 ◽  
Author(s):  
Sachindra Dahal ◽  
◽  
Jeffery Roesler ◽  
Prakhar Gupta ◽  
Yating Zhang ◽  
...  

Innovative methods in structural design, concrete materials, construction processes, and support layer selection and design were proposed to improve the performance of continuously reinforced concrete pavement (CRCP). With the aim of making CRCP more economical initially, the proposed ideas were evaluated by constructing two 500 ft. long continuously reinforced concrete beams (CRCB) in Rantoul, IL. The CRCB were also instrumented to monitor responses under environmental loading for various design and material changes such as steel content, internally-cured concrete, active crack control, and macro-fibers. Adopting the initial results of the CRCB sections, three experimental CRCP test sections were also constructed by the Illinois Tollway in 2016 and 2017. These sections evaluated the effects of steel content (0.58% versus 0.80%), base type and interface, internal cure versus conventional concrete, active crack control, terminal joint design, and macro-fiber addition on the crack properties and pavement responses. Details about the design, construction, and performance of the CRCB and CRCP sections are presented in this volume.


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