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However, in model test, correctly selecting model materials is the key to correctly simulate the prototype.[2] Currently, in consideration of few researches on similar materials of soft rock tunnel model test, and the problems such as high price of raw material, difficult availability of materials in market, and weak universality existing in the materials which can be used as reference, it is necessary to research and develop the similar materials with low price, wide source, and strong universality.
Research and development of model materials 2.1 Moulding process After selection of raw materials of model materials, the moulding way is very critical.
References [1] He Manchao, Jing Haihe, Sun Xiaoming: Soft Rock Engineering Mechanics [M], Beijing: Science Press, 2002, 1-14
[2] Ma Fangping, Li Zhongkui, Luo Guangfu: Application of NIOS Model Materials in Geomechanics Similarity Model Test [J], Journal of Hydroelectric Engineering, 2004, 23 (1), 48-51
[3] Wang Hanpeng, Li Shucai et al.: Research and Making of Similar Materials of New Geomechanics Model Test [J], Journal of Rock Mechanics and Engineering, 2006, 25(9): 1842-1847

Influences of Emulsion on Water Resistance of Vitrified Micro Bubbles Thermal Insulation Material Jiang Zhu, Guozhong Li a* Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, School of Material Science and Engineering, University of Jinan, Jinan 250022, Shandong, China amse_ligz@ujn.edu.cn, *correspondence author Keywords: vitrified micro bubbles, thermal insulation material, softening coefficient, water absorption.
Introduction In China, organic heat preservation materials have been widely used in Exterior Insulation And Finish System, however, potential security risks exist in fire safety since these organic materials are flammable [1-4].
Cementing materials were composed of rapid hardening sulphoaluminate cement of 42.5R, fly ash of grade I and sodium silicate.
In material mixing process, surfaces of the bead are coated with cementing materials.
References [1] QIAN Bo-zhang and ZHU Jian-fang: Construction Conserves Energy Construction Conserves Energy (2009), p.57 [2] Gu Tian-shu, Xie Lian-yu and Chen Ge: Engineering Mechanics (2006), p.167-168 [3] LI Zhu, ZHANG Ze-ping, LIU Yuan-zhen et al: Engineering Mechanics (2006), p.141-143 [4] SONG Chang-you, HUANG Zhen-li, JI Guang-qi et al: Building Science (2008), p.1-7 [5] SU Xneyun, SU Maoyao: Journal of The Chinese Ceramic Society Vol. 30(2002), p.135-137 [6] Zhang Shui, Li Guozhong: Wall Materials Innovation & Energy Saving in Buildings (2011), p.33-39 [7] LI Qi-jin, LI Guo-zhong, YU Xiang-ji et al: Block-Brick-Tile (2012), p. 25-27 [8] ZHANG Guo-hui, GUAN Rui-fang, LI Jian-quan et al: Journal of Jinan University (Science and Technology) Vol. 20(2)(2006), p.116-120

Journal of Nuclear Materials, 2004, 329-333: 66-73 4.
Computational Materials Science. 1998(13) 42-55 11.
Materials Science and Engineering A 2003; 362: 81-105. 13.
Journal of Materials Science 2000; 35: 477- 486. 14.
Journal of Materials Science 2007; 42: 30-39. 15.

Mesoscopic Scale Modeling of “Superplastic” Flow in Geological and Glacial Materials M.
Extensive studies on the deformation mechanisms in these materials have been conducted since the work of Boullier and Gueguen [1] on geological materials and Goldsby and Kohlstedt on ice [2].
Behavior of many geological materials and ice has been reported.
It is emphasized that in geological and glacial materials the grain size varies from extremely coarse to fine grain sizes.
International Journal of Earth Sciences 91 (2002) 445–458

References [1] Djwantoro Hardjito and others, ‘On the Development of Fly Ash-Based Geopolymer Concrete’, ACI Materials Journal, 101.6 (2004), 467–72
[2] Yahya Zarina and others, ‘Review on the Various Ash from Palm Oil Waste as Geopolymer Material’, Reviews on Advanced Materials Science, 34.1 (2013), 37–43 [3] Fernández-Jiménez A., Palomo A., Alonso M.M.
Materials and Design 52 (2013) 315-327
Reviews on Advanced Materials Science 34, 37–43 (2013)
ACI Materials Journal 101, 467–472 (2004)

Introduction Materials with high hardness and high toughness are ideal for cutting tools.
Three kinds of milling insert of different materials are chosen in the stainless steel cutting force experiments.
The ultrafine-grain waved-edge insert is very suitable to cut difficult-to-machine materials.
Li and et al: Journal of Harbin University of Science and Technology Vol.01 (2006), pp.149 [5] S.G.
Xiao: Cutting Tool Materials and It's Reasonable Selection (Machine Press, China 1981).

Green building materials Concept.
Green building materials is also called ecological building materials.
Compared with traditional building materials, green building materials has the following characteristics and advantages: i.
Cai: New Building Materials, (2006) No.1, p.40.
Ding: Soybean Science, Vol. 28 (2009) No.4, p.715

Journal of Applied Optics, 2007, 28(1): 43-46
Materials Review, 2006, 20(2):5
Materials Review, 2007, 21(2):5-9
Journal of Inorganic Materials, l988, 3(2): l30
Doctoral thesis of Chinese academy of sciences, 2009

Materials and Design Vol.27 (2006), p.329-337
Materials and Design vol. 32 (2011), p.851-860
Materials & Design, Vol.37 (2012), P. 478-486
Materials and Design, Vol. 52 (2013) p.158-167
(Science Press, Beijing 2010)

This effect can be made use of in various fields of science and technology.
The development of the so-called smart materials, the magnetoactive elastomers, enables a broad use of such materials in various applications.
This research paves the way to creating a fundamentally new class of controllable materials.
Journal of magnetissm and magnetic materials. 449 (2018) 77 -82
Journal of the Siberian Federal University.