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An Experimental Study on Flexural-tensile Property of Cement Stabilized Coal Gangue Roadbase Materials Huzhu Zhang 1, a Yuan Fang2,b 1 School of Traffic Science and Engineering, Jilin Jianzhu University, Changchun 130118, China 2 Department of Landscape & Urban Design, Changchun Institute of Urban Planning & Design, Changchun, 130033, China azhanghuzhu@126.com, b806417615 @qq.com Keywords: Cement stabilized coal gangue; Roadbase materials; Cement dosage; Flexural-tensile strength; Flexural-tensile modulus Abstract.
The study on flexural-tensile property of coal gangue road base materials has not been reported.
Raw materials Raw materials’ property. (1) Coal gangue.
WU, et al: Journal of Building Materials, Vol. 137(2010), p. 214 [3] W.H.
ZHANG: Highway building materials (China Communications Press, China 2004)

K11 Material for composting including human’s and animal’s feces.
Journal of Environmental Psychology 19, (1999), p. 369-382
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The present paper comprehensively reviews non contact nondestructive testing (NDT) methods in use around the world for the solid materials.
(4) This kind of detection is only applicable to metal materials.
The laser ultrasonic detection technology has been applied very well in metal, composite materials and pottery.
However, ultrasonic detection frequency is relatively low and only suitable for detecting part of the materials.
[11] Zhao Y, Jia Z Q, Guo R, Ma J, Song J F, Sun J H, Liu S, A novel laser-EMAT system for noncontact testing metal materials, Applied Mechanics and Materials. 281(2013), p. 422-425

The material reserves are the material basis for military emergency operation[1].
Science of military equipment support(Military science publishing house, Beijing 2009)
Discuss on reserve scale of military materials.
Journal of the academy of equipment command and technology, vol. 13(2002), p. 26-29 [5] L.
Journal of beijing institute of technology(social sciences edition), vol. 4(2006), p. 18-20

P Smith, “Heat Transfer Characteristics of Nonwoven Insulating Materials, “Textile Research Journal, 56, 691-696, 1986
[10] The Science and Engineering of Materials by D.
Idris, “Analysis of Some Physical and Mechanical Properties of Selected Fabrics”, International Journal of Textile Science, 2 (3), 49-58, 2013
Smith, “Heat Transfer Characteristics of Nonwoven Insulating Materials”, Textile Research Institute Journal, November 1, 691-696, 1986
“Effect of Layer Orientation of Mechanical Properties of Rapid Prototyped Samples,” Journal of Materials and Manufacturing Processes, Vol 15(1), 2000, pp. 107-122

Alghamdi, New trends and advances in bi-metal casting technologies, International Journal of Advanced and Applied Sciences. 6, 2, (2019) 75-80
Tenerowicz, Bimetallic layer castings, Journal of Achievements in Materials and Manufacturing Engineering. 43: 1 (2010) 385-391
[6] G.C.Pratt, Bearing Materials: Plain Bearings, Encyclopedia of Materials: Science and Technology, (Second Edition)book, Elsevier . 2001
Archives of Materials Science and Engineering, 48(2): (2011)118-125
Kang, and D-Y Shih, Oxidation Study of Pure Tin and Its Alloys via Electrochemical Reduction Analysis, Journal of Electronic Materials. 34,5 (2005) 635-642

It was first created by NEMA from the basic materials in 1968 [16].
To analysis the variation of S11-parameter by changing the substrate materials which have permittivity almost near to FR-4, a comparison is shown in Fig. 6.
Table 3 shows the list of the materials used in the comparison.
Table 3: Dielectric properties of different substrate materials Substrate Materials Relative Permittivity Loss tangent Rogers TMM 4 (tm) 4.5 0.002 Arlon AD450 (tm) 4.5 0.0035 FR-4 4.6 0.02 Bakelite 4.8 0.002 Fig. 6.
Misran, "Dual polarized microstrip patch antenna for Ku-band application," Informacije MIDEM-Journal of Microelectronics Electronic Components and Materials, vol. 41, pp. 114-117, 2011

Salahuddin, Nanocomposite Materials Based on Polyurethane Intercalated into Montmorillonite Clay, Materials Science and Engineering A 399 (2005) 368–376
Pilato, Polymer Nanostructured Materials for High Temperature Applications, SAMPE Journal (2005) 41
Journal of Inorganic and Organometallic Polymers and Materials 20(2010) 380-386
Thermo Analytical and Mechanical Analyses, Journal of Applied Polymer Science 79 (2001)125–133
Broda, Polymorphism in Polypropylene Fibers, Journal of Applied Polymer Science 89(2003)3364–3370

Different backing materials with metal powder/epoxy resin composite materials were prepared in this study, and their influences on performances of the CPUS were investigated.
Materials Research Bulletin, 2006, 41 (2): 291-297.
Composites Science and Technology, 2007, 67 (1): 135-139.
Composites Science and Technology, 2005, 65 (9): 1363-137.
Journal of the Chinese Ceramic Society, 2006, 34(5): 626-629.In Chinese

Tab. 4 Three basic materials' splitting strength Test materials splitting strength of materials (MPa) allowable tensile stress of materials (MPa) CR-0 0.43 0.297 CR-20 0.45 0.310 CR-40 0.48 0.330 The analysis of the relationship between fatigue life and allowable tensile stress of the cold-recycled materials.
Journal of Henan University of Science and Technology Natural Science,2006.26(2):23-27 [4] Specifications for Design of Highway Asphalt Pavement of China (JTG D50-2006).
Journal of Sichuan University,2001,33(2):22-26 [7] Shaohuai Wang.
Journal of Tongji University,2004,32(4):475-479 [9] Weidong LIAO,Xiaoxiong WANG.Full-scale-fatigue test on anti-reflective cracking of asphalt overlay[J].Journal of Chang’an University: Natural Science Edition,2006,26(5):9-12 [10]Aimin Sha,Kan Jia,Jianqing Lu,Liqun Hu.Deterioration laws of dynamic modulus of semi-rigid base course materials[J].
China Journal of Highway and Transport,2009,22(3):1-6.