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The numerical simulation studies on flexural behavior of casing joint of square steel tube were carried out by using finite element analysis software ANSYS/LS-DYNA with consideration of geometric nonlinearity, material nonlinearity and contact nonlinearity.
NCET-08-0542, the National Natural Science Funds No. 50979108, Chinese Universities Scientific Fund No. 2009-3-11, and the Research Start-up Foundation of CAU No. 2008041.
Akiyama：Journal of Society of Steel Construction.
Rasmussen: Journal of Constructional Steel Research.
Wardenier: Journal of Constructional Steel Research, Vol. 62 (2006), p. 316 [5] B.

The sustainable utilization of construction and demolition waste in asphalt applications can also result in decreased reliance on virgin materials.
While Abrar and Shah [16] also suggested that the current direction for the solution of pothole is oriented towards sustainability through the use of waste materials as additives.
International Journal of Advance Research in Science and Engineering, Vol. 07, pp 133
International Journal of Computer Science and Information Security (IJCSIS),  vol. 14, pp 20-25
Shahid, “Use of Scrapped Rubber Tires for Sustainable Construction of Manhole Covers”, Journal of Renewable Materials, vol. 9(5), pp. 1013–1029, 2021

Materials and methods The 7 waste rocks samples were taken from the waste heap of Xinqiao pyrite mine by color at random.
Journal of Geochemical Exploration. 
Journal of Geochemical Exploration. 
China Environmental Science Press(1990)
Environmental Science.

Limsuwan3,5,f 1Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom 73000, Thailand. 2Science Program, Faculty of Science and Technology, Nakhon Pathom Rajabhat University, Nakhon Pathom 73000, Thailand. 3Thailand Center of Excellence in Physics, CHE, Ministry of Education, Bangkok 10400, Thailand. 4Physics Program, Faculty of Science and Technology, Thepsatri Rajabhat University, Lopburi, 15000, Thailand. 5Department of Physics, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangkok 10140, Thailand. 1mink110@hotmail.com, 2mink110@gmail.com, 3pokaipisit@gmail.com 4k_treedej@hotmail.com, 5opticslaser@yahoo.com Keywords: Mass Attenuation coefficients, Sapphire, Interaction Abstract.
The mass attenuation coefficient is written as [8] (2) Where is the density of material (g/cm3), and are the incident and transmitted intensities and is the thickness of absorber (cm).
Udomkan et al., : International Journal of Modern Physics Letter B, Vol. 19 (2005), pp. 3273-3284
Chewpraditkul: Journal of Physics and Chemistry of Solids, Vol.72 (2011), pp.245-251

The materials of the floor for house dust collection performance were carpets in House B and E (100%, 92%) and wood in House D, F, G and H (68~100%).
The way of life and the structure of the occupants affected more than the floor material.
Acknowledgements This research is supported by Ministry of Land, Infrastructure, Transport and Tourism of Japan, National Natural Science Foundation of China, the SRFDP (20120041120003), the Fundamental Research Funds for the Central Universities (DUT14QY24), the Liaoning Provincial Science and Technology Fund projects.
Feinberg: The American Journal of the Medical Sciences Vol.187(5) (1934), p.714-719 [2] P.G.J.
Kogevinas, et al: American Journal of Epidemiology Vol.160 (2) (2004), p.178-188 [4] X.

Material used in this research was an high phosphorus Oolitic hematite ore, whose output size was 50 ～ 200mm.
Acknowledgements This work has been supported by the National Natural Science Foundation of China (Grant No. 51134002).
[2] Shufei Li, Yongsheng Sun and Yuexin Han: Advanced Materials Research, Vol. 158 (2011) p. 106
[3] Jicheng Zhou, Zhengliang Xue and Zongqiang Li: Journal of Wuhan University of Science and Technology (Natural Science Edition), Vol. 30(2007), p. 458
[4] Zhuqing Gong, Sheng Gong and Baizheng Chen: Journal of Central South University(Science and Technology), Vol. 37(2006), p. 703.

Materials and Experimental In this study, all chemicals (CaO, H3PO4, Na2(HPO4)·12H2O, NaH2PO4·2H2O, Na3(PO4)·12H2O) are analytical grade and were used as received.
Shoutian: Rare Metal Materials and Engineering Vol. 29 (2000), p. 398-402 [12] M.
Sukun: Crystal Growth Morphology (Science Press, Beijing 1999)
M., et al: Journal of Growth Vol. 182 (1997), p. 168-184 [20] K.
Rasmuson: Journal of Colloid and Interface Science Vol. 282 (2005), p. 359-369 [21] L.

In addition, their activities would also include, but are not limited to: observing and documenting observations; sampling, measuring, and photographing; coring, drilling, and excavating; reviewing and copying records; and seizing equipment, products, materials, or records [6].
In consequence, the inspector has to carry all those paper-based documents to the site, whether as references or writing materials during the site inspection.
Journal of Safety Research, 2004. 35(2): p. 159-170
Journal of Geographical Sciences, 2002. 12(2): p. 163-170
USC Computer Science, Tech.

Meijer d Materials Technology Institute, Eindhoven University of Technology, P.O.
Govaert, Journal of Rheology, Vol. 44, (2000), pp. 1263-1277
Stock, International Materials Reviews, Vol. 53 (2008), pp. 129-181
Meijer and B. van Rietbergen, Journal of Cellular Plastics, Vol. 45 (2009), pp. 157-179
Rüegsegger, Journal of Biomechanics, Vol. 31 (1998), pp. 1187-1192.

Assume that the specification and quality characteristics of concrete materials remain unchanged.
Reference to Chen Bin’s program of Zhejiang University [3,4], a model is built and solved combined with the performance and parameter of engineering materials.
The equation is listed as follows: (4) Where, y is the performance of concrete, xi is the amount of raw materials, bi is a certain coefficient.
Journal of hydroelectric Engineering (2003,4),p. 45 (in Chinese) [4] Bin Chen, Fuqiang Li, Guohua Liu et al.
Journal of Zhejiang University (Engineering Science), Vol.39(2005,1),p. 16 (in Chinese) [5] JGJ55－2000.