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Types and Hazard Effects of Loess Mass Structure Quan-zhong LU1, 2, 3,a, Jian-bing PENG1,2,b, Yuan WANG1, 2,c, Bin ZHOU1, 2,d 11Key Laboratory of Western China’ s M ineral Resources and Geological Engineering, Ministry of Education, Chang’an University, Xi’ an, 710054, China 2Open Research Laboratory of Geotechnical Engineering，Ministry of Land and Resources, Chang’an University, Xi’ an, 710054, China 3State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China alqz_19711@163.com, bdicexy_1@chd.end.cn, c510216928@qq.com, d444062082@qq.com Keywords: Loess Mass Structure, Fissured Loess Mass, Classification, Hazard effects.
Introduction Loess mass is the geologic body in geological environment which is constituted by loess materials and has certain structure.
Table 2 Types and characteristics of loess mass structure Structure type Geological background Main characteristics Type Subtype Homogeneous structure Having lasting transporting agent and with stable material sources and sedimentary environment.
Acknowledgements This paper is founded by the Chinese National Natural Science Key Fund (No. 41130753) and (No. 40902080), Land Resource Survey Project (No. 1212011220187), Science and Technology Innovation Project of Shaanxi Province (No.2011KTZB03-02-02) and Fundamental Research Project of Chang’an University (No.
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Experimental Section Raw Materials and Measuring Apparatus.
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Optimization of preparation of the TiO2 photocatalytic reactor using the Taguchi method Ta-Chih Cheng1,a, Chen-Yu Chang 1,b,* , Kuo-Shan Yao 1,c, Yung-Hsu Hsieh2,d, Ling-Ling Hsieh 3,e and Pin-Syuan Wang 1,f 1 Department of Life Science, Ming-Dao University, 369 Wen-Hua Road, Peetow, Chang-Hua County, Taiwan. 2 Department of Environmental Engineering, National Chung-Hsing University. 250 Kuo-Kuang Road, Taichung, Taiwan. 3 Department of Radiological Science, Central Taiwan University of Sciences and Technology, 11 Pu-Tze Lane, Pei-Tun District, Taichung, Taiwan.
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Experimental/ Materials and Methods Optimal preparation of photocatalytic reactor.
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From the simulation results, found structure design and material property greatly affect on the dynamic performances of the simulator, confirmed the structure can meet its performance indicators and frequency response requirements.
The material properties can be shown as follows: Table 1 Material Properties of the Simulator Inner Frame, Middle Frame, Outer Frame The Base & Around Stents The Propeller Shaft Component Specification Elastic Modulus /（E/Gpa） Poisson’s Ratio Density /（kg/m3） Al 5052-H32 70.30 0.29 2.68 103 ASTM 897 125 0.25 7.10 103 Steel (AISI 1015) 205 0.28 7.86 103 Modal Analysis Dynamics is used to analyze dynamical characteristic of structure or component when inertia (mass effect) and damping playing important roles.
It is feasible to strengthen inner frame rigidity by selecting large damping material.
The dynamic datas first demonstrate the structure design and material feature are very important to structural dynamic characteristics, then confirm the simulator can successfully overcome harmful effects caused by resonance and other forced vibration, and next authenticate the structure can meet its accuracy design requirements.
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Teng & Yin et al. [3, 4] investigated the frictional cracking from surface flaws with glass, PMMA and marble materials.
A fundamental understanding of fracture mechanism on the closed surface flaw in brittle materials was provided in the following.
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Materials and Methods Materials Methanol (purity 99.5%), acetonitrile (purity 98%), and phosphate-buffered saline solution (PBS) was supplied by Sigma-Aldrich, Singapore.
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Material degradation will be implemented if material damage is detected.
Some recommend values determined by experiment data are presented in ref. [9] for different degradation patterns of composite materials.
Acknowledgements The research work is supported by the National Science Foundation of China (No.10902004).
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