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  • Rockfall impacts on sand cushions with different soil
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    nbsp 0183 32 For the plate specimen andesite with a uniaxial compressive strength of 63 N/mm 2 or mortar with a uniaxial compressive strength of 35 N/mm 2 was used The experiment was recorded with a high-speed digital camera and the impact acceleration was measured with accelerometers attached to the plate specimen...

  • A new empirical formula for evaluating uniaxial
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    nbsp 0183 32 1 Introduction Uniaxial compressive strength UCS is an important mechanical parameter for rock classification rock mass engineering design and rock mass stability analysis and it can also be used to assess rock material strength in Rock Mass Rating RMR 1 Conventionally the UCS of rocks can be determined by the uniaxial compressive tests as suggested by the International Society for...

  • energy gov
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    nbsp 0183 32 identifier title description DOE-019-NP-10004 Agency Parking Agency parking application that provides the capability to record and query parking assignments Access is limited to designated personnel of the Facilities and Logistics Department of Energy non-public...

  • Full article Durability of concrete with nano
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    nbsp 0183 32 3 1 Compressive strength Figure 2 shows the compressive strength of concrete with nano-particles at 28 days After mixed with nano-particles the compressive strength of concrete is increased obviously and the increased orders are NS30 lt NS05 lt NS10...

  • Rock mass rating
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    nbsp 0183 32 The rock mass rating RMR is a geomechanical classification system for rocks developed by Z T Bieniawski between 1972 and 1973 Since then it has undergone multiple modifications out of which RMR89 is commonly used Recently RMR14 has been proposed to improve the RMR performance by incorporating new experiences from tunnel practices...

  • energy gov
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    nbsp 0183 32 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1/2019 11/1...

  • archive fast
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    nbsp 0183 32 When the ash tuff cuts are exposed they will be subjected to the deformation erosion and failure mechanisms because of their low strength Even though the ash tuff slope cuts have been designed to meet the minimum slope acceptance criteria at a factor of safety of 1 3 some local slope failure mechanisms might occur that are not addressed by global or inter - ramp stability analysis...

  • Solved using fgets to read one line at a time Experts
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    nbsp 0183 32 I have a program that is intended to be a spell checker and I am trying to get it to read one line at time so that the output for the program is correct It does read the file properly and return the misspelled words however they are all on line 1 I need it to read into the...

  • Effects of cyclic freezing and thawing on the mechanical
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    nbsp 0183 32 This paper presents an experimental investigation of the effects of cyclic freezing and thawing on dried and saturated sandstone cores Both static and dynamic tests were performed to determine the static stress-strain relationship uniaxial compressive strength elastic modulus dynamic stress-strain relationship dynamic strength and dynamic energy absorption capacity of dried and...

  • THE ROLE OF THE STRUCTURES ON THE FLUORITE
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    nbsp 0183 32 Free Online Library THE ROLE OF THE STRUCTURES ON THE FLUORITE MINERALIZATION INSIGHT TO FLUID INCLUSION AND ALTERATION MAP OF THE LAAL-KAN FLUORITE DEPOSIT NW IRAN ORIGINAL PAPER by quot Acta Geodynamica et...

  • Kyushu University Hidenori Hamada Professor Faculty of
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    However it is known that the variance of compressive strength test result by a small diameter core becomes large and it is difficult to evaluate precisely the compressive strength From this background the research described in this paper focused on 35...

  • Comparative evaluation of different statistical tools for the
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    nbsp 0183 32 1 Introduction Uniaxial compressive strength UCS is the most significant parameter used to characterize the intact rock in many engineering projects carried out in rock or soil environments such as slope stability rock excavation tunnel drilling and dam design...

  • Effect of water imbibition on uniaxial compression
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    nbsp 0183 32 Li et al 14 used triaxial compressive tests to study the influence of water content and anisotropy on the strength and deformability of sandstones Li et al 15 performed shear creep tests on dry and saturated sandstones from the Wuhan Yangtze River tunnel and found that water can enhance creep strain and creep strain rate while decreasing the creep rupture strength...

  • Feldspar Distinctions Characteristics amp Identification
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    nbsp 0183 32 How to Tell Feldspar Feldspars are hard minerals all of them with a hardness of 6 on the Mohs scale This lies between the hardness of a steel knife 5 5 and the hardness of quartz 7 In fact feldspar is the standard for hardness 6 in the Mohs scale...

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