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Introduction Sulfate attack is an important form of damage accumulation caused by concrete material and structure subject to environmental factor, which are serious threats to the safety and durability of concrete structure given rise to wide concern.
Experiment Materials.
Lin, etc .in: Research and application on the durability of key project concrete, edited by Y.L.WANG, Y.YAO, Beijing: Chinese building industry press, (2001), p.299-336 [2] Y.N.LIANG, Y.S.YUAN: Journal of the Chinese Ceramic Society(in Chinese). 04 (2007), p. 504-508 [3] L.
LV, etc: Journal of Jiaozuo Institute of Technology(in Chinese). 06(2003), p.465-468 [4] X.B .ZUO, W.
SUN: Journal of the Chinese Ceramic Society (in Chinese).07 (2009), p.1063-1067 [5] M.WANG, X.W.FANG, C.N.SHEN: Journal of Water Resources and Architectural Engineering 04(2006) (in Chinese). p.53-56 [6] F.G.LENG, X.X.MA, G.F.TAN: Journal of Southeast University (Natural Science Edition) (in Chinese). 36 sup (2006), p.45-48 [7] Z.L.CAO, X.Z.YUAN, X.F: Journal of Senzhen University (in Chinese). 23(2006), p.201-210 [8] J.F.KANG: Concrete (in Chinese). 03 (1995), p.9- 18 [9] ASTM C1012-04 Standard test method for length change of hydraulic-cement mortars exposed to a sulfate solution[S] [10] GB/T 50082-2009 standard for test method of long-term performance and durability of ordinary concrete [S].

In the category ‘material’ all uncertainties resulting from material properties are listed.
Material inhomogeneities or strength gradients in the material lead to unbalanced loads at the drilling tool.
To involve the important uncertainty of the material strength gradient two different work piece materials with the same chip formation characteristics are used.
DeVor: Mechanistic model for the reaming process with emphasis on process faults, International Journal of Machine Tools & Manufacture, 46 (2006), page 836-846 [4] O.
DeVor: A Mechanistic Model to Predict the Cutting Force System for Arbitrary Drill Point Geometry, Journal of Manufacturing Science and Engineering, 120 (1998), page 563-570 [11] E.

Furthermore, during the synthesis, the solid-state reaction conditions including raw materials, matching proportion of reactants, additions of inert substance, addition of trace solvents, surfactants and porphyrization time, etc, all have some influence on the morphology, particle size and size distribution of the final products.
Recently it has become a foundation for developing special materials and has been active in the fields of physical, chemical and materials science research [1].
Meanwhile, it is in a unique position in materials science and life science for its film-forming properties, easy purification, high melting point, stabilities and ideal antibacterial effect.
Preparation of Different Topography NiCo2O4 with Surfactant by Solid State Reaction[J] Journal of Inorganic Materials, 2007, 22(1): 40
Science, 2003, 299: 686

Because it has been identified as facial incompatibility between materials (Fiber / Synthetic polymers).
Materials- a) Epoxy and hardener b) Rice husk Particle c) Banana Fiber Mat and d) Vacuum Lay-up Setup Table 1.
ASTM D256 impact testing equipment provides the durability of composite materials while the material is subjected to high stress.
[2] Jawaid M, Woven hybrid composites: Tensile and flexural properties of oil palm-woven jute fibres-based epoxy composites, Material Science Engineering: A. 528 (15) (2011) 5190-5195
[7] Temesgen & Hirpa G, Investigation of mechanical properties of false banana/glass fiber reinforced hybrid composite materials, Results in Materials. (2020) 8

Ordnance Material Science and Engineering, 2007, 30: 63 [2] H.
Chinese Journal of Materials Research, 2008, 22(2): 274 [4] J.
Materials Science and Engineering A[J], 2010, 276: 257 [7] Zhu Baohong, Xiong Baiqing, Zhang Yongan et al.
Chinese Journal of Silicate [J], 1998, 26(1): 27
Key Engineering Materials[J], 2008, 368-372: 1686.

The scaled boundary shape functions enable the method to be further developed to model the response of heterogeneous and nonlinear materials.
Journal of Graphic Tools, 2002. 7: p. 13-22
Moorthy, Elastic-plastic analysis of arbitrary heterogeneous materials with the Voronoi-cell finite element method.
Song, Development of polygon elements based on the scaled boundary finite element method, in IOP Conference on Series: Materials Science and Engineering (WCCM/APCOM)2010: Sydney, Australia. p. 2226
Paulino, On fracture criteria for mixed-mode crack propagation in functionally graded materials.

Applied Mechanics and Materials.
Stoyan: A beam-network model for autoclaved aerated concrete and its use for the investigation of relationships between Young’s modulus and microstructure, Computational Materials Science, 43 (2008) pp. 293-300
Applied Mechanics and Materials.
Applied Mechanics and Materials.
Advanced Materials Research Vols. 945-949 (2014), pp. 944-950 [24] T.

The other way to study the mining subsidence theory is to use mechanics principle and method (mechanics of material, structure mechanics etc).
References [1] Guodong Du, Xiao Li, Xianmin Han: METAL MINE Vol. 379 (2008), p. 39 [2] Pinglu Huang, Congxin Chen, Guofeng Xiao: Rock and Soi1 Mechanics Vol. 30 (2009), p. 3020 [3] Xibing Li, Zhixiang Liu, Kang Peng: Journal of Rock Mechanics and Engineering Vol. 29 (2010), p. 1945 [4] Guoqing He, Lun Yang, Gengdi Ling: Mining Subsidence Science (Press of China University of Mining and Technology, CHINA 1991) [5] Chenguang Jiang, Yusong Gai, Mingquan Liao: Journal of Rock Mechanics and Engineering Vol. 22 (2003), p. 162 [6] Chao Sun, Jingshan Bo, Hongshuai Liu: Journal of Jilin University Vol. 39 (2009), p. 498 [7] Wenxiu Li, Shengtao Zhao, Xuli Liang: Rock and Soi1 Mechanics Vol. 27 (2006), p. 137 [8] Fang Han, Fang Xie, Jinan Wang: Journal of University of Science and Technology Beijing Vol. 28 (2006), p. 509 [9] Qinsheng Liu, Xiaodan Zhang, Bingtuan Wang: numerical calculating method (Metallurgical Industry Press, CHINA 1998) [10] Wenhua Sun: New technology of three unders

Meghdari2,c 1School of Science and Engineering, Sharif University of Technology International Campus, Kish Island, Iran, P.
The International Journal of Robotics Research, 25(3), pp. 261-281
Journal of Scientia Iranica, 2009, 16(5): 451-462
Journal of Mechanical Engineering Science, 2010, 224(6): 1287-1298
Journal of Engineering in Medicine, 2009, 223(7): 863-874.

It simulates an elastic material that can dynamically conform to local image features.
International Journal of Computer Vision Vol.1(1988), p.321-331
Chinese Journal of Computers Vol.25(2002), p.1348-1356
ACM Journal of Wireless Networks Vol.14(2006),p.47-53
Journal of Computational and Applied Mathematics Vol.163(2004), p.189-197