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For size effect on quasi-brittle materials such as concrete, related researches have been carried out for many years, but related test study combined with concrete structures or components are not sufficient.
Concrete is a quasi-brittle materials, it must exist size effect on strength in theory.
Sichuan Building Science. 2010, 36(2):72-75 (in Chinese) [2] S.B.
Journal of Basic Science and Engineering. 1998, 6(1):77-82 (in Chinese) [3] F.
Journal of Wuhan University of Technology. 2010, 32(11):58-61 (in Chinese) [5] Q.Q.

Igarashi, R&D of A MW-class solid-target for a spallation neutron source, Journal of Nuclear Materials 318 (2003) 38-55
Abe, Microstructural development of neutron irradiated W–Re alloys, Journal of Nuclear Materials 283 (2000) 1144–1147
Satou, Property change mechanism in tungsten under neutron irradiation in various reactors, Journal of Nuclear Materials 417 (2011) 491–494
Hasegawa, Stability and mobility of rhenium and osmium in tungsten: first principles study, Modelling and Simulation in Materials Science and Engineering 22 (2014) 075006
Hasegawa, Migration of rhenium and osmium interstitials in tungsten, Journal of Nuclear Materials 467 (2015) 418–423

Statistic materials suggest that the four principal components of destination image construct are accessibility, attractiveness, brand and amenities, while the major factors of recreation benefits include functional, social and emotional benefits.
Oppermann: Journal of Travel Research Vol. 39 (2000), p. 78–84 [6] J.
Hsu: Journal of Travel Research, Vol. 48(2009), p. 29-44 [9] G.
Zeithaml: Journal of Marketing, Vol. 52 (1988), p. 2–22 [22] C.
Drew: Journal of Consumer Research, Vol. 17(1991), p. 375–384 [28] R.Peterson: Journal of Consumer Research, Vol.21(1994), p. 381–391 [29] J.

Materials and Methods Experimental material.
The potential is probably restricted on to the materials with brittle fracture.
Rawlings, Material Science and Technology, Vol. 5(1989) pp865 [3] D.
Lesage, Vickers Indentation Fracture (VIF) modeling to analyze multi-cracking toughness of titania, alumina and zirconia plasma sprayed coatings, Materials Science and Engineering A Vol. 527 (2009) pp 65 - 76 [4] N.H.
Swain, Microfracture beneath point indentations in brittle solids, Journal of Materials Science Vol. 10 (1975) pp 113-122

Journal of Wuxi Institute of Technology.2010.4：49
Journal of Bijie Teachers College，1999.3：44-45
Journal of Wuxi Institute of Technology.
Shanxi Science and Technology，2004.5：39
Journal of Nanjing Institute of Physical Education(Natural Science)，2010.2：130.In Chinese.

Characterization of TiO2 composite film on steel obtained in aluminate electrolyte by PEO and the photocatalytic activities Yunlong Wang1,*, Miao Wang1,2, Yuemei Qin3, Xingfeng Shi1, Huirong Guo1, Zijuan He1 1Center for photon Manufacturing Science and Technology, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013,China 2Research institution of advance materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013,China 3Department of electronic and electrical engineering, Jiandong Polytechnic College, Changzhou,213022, China Corresponding author, Tel/fax: 86-511-88790191, E-mail: Wangyunlonghit@yahoo.com.cn Keywords: TiO2 composite film, photocatalytic, plasma electrolytic oxidation, aluminate electrolyte, steel Abstract.
Materials and methods Film preparation and structure characterization Q235 carbon steel sample with a bare area of 10mm×20mm was first washed with acetone and distilled water and served as anode in PEO.
Photobiol., A: Chemistry, 148 (2002 )33-245 [5] Dongjin Byun, Yongki Jin, Bumjoon Kim, Joong Kee Lee, Dalkeun Park, Journal of Hazardous Materials, 73(2000) 199-206 [6] Nicholas T.
Seery, Steven J.et. al.Journal of Hazardous Materials, 211–212 (2012) 88-94 [7] Satoshi Takeda, Susumu Suzuki, Hidefumi Odaka, Hideo Hosono, Thin Solid Films, 392(2001)338-344 [8] He, J.; Luo, Q.; Cai, Q.Z.; Li, X.W.; Zhang, D.Q.
Materials Chemistry and Physics.129 (2011)242-248 [9] Danuta Krupa, Jacek Baszkiewicz, Joanna Zdunek, Jerzy Smolik, Zbigniew Słomka, Janusz W.

The tool materials used for joining these base material plates are High Speed Steel (HSS) and High Chromium High Carbon Steel (HCHCr).
The selection of the tool material depends on the material of the workpiece to be welded.
Of the two tool materials, namely HCHCr and HSS, the latter was found to produce good quality sound welds having taper cylindrical threaded pin & 35mm long shoulder tool geometry.
Balasubramanian in: Multi-Response optimization of friction stir welded AA1100 aluminium alloy joints, Journal of Materials Engineering and Performance Vol. 21 (2012), p. 809-822 [4] Y.
Kumar and Satish V.Kalidas in: The role of friction stir welding tool on material flow and weld formation Materials Science and Engineering A 485 (2008), p.367-374.

For other two materials, the results became complex.
Similarly, diamond is the most popular material for abrasive machining of natural rock materials.
High speed steel, stainless steel, and natural black granite were used as workpiece materials.
Watanabe: Key Engineering Materials, Vols. 291-292 (2005), pp. 67-72
Jackson: ASME Journal of Manufacturing Science and Engineering, Vol.120 (1998), pp. 84-92

Based on the ABAQUS FE platform, the USDFLD subroutine was compiled, which could consider the changing of Poisson ratio of many materials in loading process.
The change of Poisson ratio of many materials could be involved in loading process.
The change of Poisson ratio of many materials could be considered in loading process.
The USDFLD subroutine was compiled by introducing stress field variables.The change of Poisson ratio of many materials was solved in loading process.
Journal of South China University of Technology (Natural Science Edition), 2008, 36(12):21-27.

Jang, Bond strength prediction for deformed steel rebar embedded in recycled coarse aggregate concrete, Journal of Materials and Design 83 (2015) 257-269
Chan, Influence of fly ash as cement replacement on the properties of recycled aggregate concrete, Journal of Materials in Civil Engineering 19 (2007) 709-717
Ouchagour, Performance of Portland/silica fume cement concrete produced with recycled concrete aggregate, ACI Materials Journal 109 (2012) 91-100
Seng, Efficient utilization of recycled concrete aggregate in structural concrete, Journal of Materials in Civil Engineering 25 (3) (2013) 318-327
Ekolu, Strength prediction model for cement mortar made with waste LDPE plastic as fine aggregate, Journal of Sustainable Cement-Based Materials 8(4)(2019) 228-243