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A review of the extended finite element for fracture analysis of structures Liang Wu1,a, Lixiang Zhang2,b and Yakun Guo3,c 1 Department of Hydropower Engineering, Kunming University of Science and Technology, Kunming 650500, China. 2 Department of Engineering Mechanics, Kunming University of Science and Technology, Kunming 650500, China. 3 School of Engineering, University of Aberdeen, Aberdeen AB24 3UE, U.K.
Since the introduction of the enriched discontinuous solutions into the finite element basic functions helps to avoid tedious remeshing requirement involved with the crack propagation or complicated crack geometries, the X-FEM has now been widely adopted by civil, mechanical, material and aerospace engineering disciplines all over the world and is used to accurately determine the level of performance and safety of cracked structures.

Dynamic Phenomenon in Coal Mine Roadway Boundary and Supporting Adjustment in Bursting Condition Li Pengbo1,2, Wang Jin`an1 ,LV Ke1 (1.University of Science and Technology Beijing Civil and environmental engineering school, Beijing 100083.2.State Key Laboratory of Coal Resources and Safe Mining.
Therefore, In the practical application of engineering work, the cost and difficulty of construction should be taken into account for selection.
Study on numerical simulation of dynamic risk regionalization during exploitation approaching to faults[J].Chinese Journal of Rock Mechanics and Engineering, 2007,26:28-34
[8]YAN Xin-ling.The impact of rock roadway supporting form discussion and Practice[J].Coal Engineering, 2011,12:37-39

The cooperation between two governments maintains stable and the civil cooperation keep active as well.
Upon consultation with academicians from Chinese Academy of Engineering and bibliometric experts from Thomson Reuters, the research team identified retrieval keywords such as carbon dioxide sequestration, pre-combustion capture and oxygen-enriched combustion, and has identified the number of papers and patent applications of respective countries in the field of clean coal technologies by retrieving Thomson Reuters Web of knowledge (2006-2011) and Thomson Reuters Derwent World Patent Index (2005-June 2012).
Table3 Top China and US Institutions for Invention Output in Clean Coal Technology Field [7] Institution Invention number Join CERC (√) Country General Electric Company (GE) 89 √ US ENN Group 42 √ China China Petroleum & Chemical Corporation (Sinopec Corp) 41 China Chinese Academy of Sciences (CAS) 31 China GreatPoint Energy 29 √ US Shenhua Group Corporation Limited 27 √ China East China University Of Science and Technology (ECUST) 25 China Celanese Corporation 23 US Southeast University (SEU) 23 China Tsinghua University 22 √ China Alstom Technology LTD 21 US North China Electrical Power University (NCEPU) 21 China Exxon Mobil Corporation 20 US UOP LLC 18 US Kunming University of Science and Technology 15 China Wuhan Kaidi Electric Power Co., Ltd. 15 China Baker Hughes Inc. 14 US Taiyuan University of Technology 14 China ConocoPhillips Company 13 US Corning Incorporated 13 US Chevron USA Inc. 12 US CISDI Engineering Co., LTD 12 China University of California 12
US Nanjing University 12 China Calera Cooperation 11 US Kunming Kanglixin Electron-machine Co., Ltd 11 China Lanza Tech Newzealand Ltd. 11 US Shanghai Jiao Tong University (SJTU) 9 √ China Harbin Institute of Technology 7 √ China Babcock & Wilcox Company 6 √ US University of Kentucky Research Foundation 5 √ US Zhejiang University 5 √ China China University of Mining Technology 4 √ China Huazhong University of Science and Technology 4 √ China Univ Wyoming Res Corp 3 √ US Engineering Consulting (Group) Corporation (CPECC) 2 √ China West Virginia University 2 √ US China Huaneng Group Technology Innovation Center 1 √ China Conclusion China and United States have their own R&D advantages in the field of clean coal technologies Data analysis shows that during the period from 2006 to 2011, China and United States seized the top two places in terms of the output of papers related to clean coal technologies, which collectively accounted for 47% of worldwide output of paper in this field
[3] Gang Wan: China Population Resources and Environment Vol. 3(2009), 1-2 (In Chinese) [4] Fangneng Zheng, Ying Feng: China Soft Science Magazine Vol.4(2011), 125-129(In Chinese) [5] Minutes of the Workshop of Academicians from Chinese Academy of Engineering, held by China National Center for Science & Technology Evaluation.

Effects of Rice Husk Ash and Brick Waste on the Properties of Construction Bricks Sadia Momtaz Sorna1, a *, Seefat-E-Anjum2, b, Sabrina Binte Ashraf3, c, Rezaul Haque4, d 1,2,3,4 Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering and Technology (BUET), Dhaka-1000, Bangladesh E-mail address: asorna.mme09@gmail.com, bseefat.mme09@gmail.com, csabrinabinteashraf@gmail.com, drezaul@mme.buet.ac.bd Keywords: construction brick, rice husk ash, brick waste, stiff mud, shrinkage, cold crushing strength.
Acknowledgment The authors would like to acknowledge the support of Department of Materials and Metallurgical Engineering, BUET for experimental supports.
Basak, “Utilization Potential of Rice Husk Ash as a Construction Material in Rural Areas”, Journal of Civil Engineering (IEB), Vol. 39(2), pp. 175-188, 2011

The Study on the Change of Sheer Strength Characteristic Parameter and Soil Nail Firmness of Effect in the Condition of Freezing-thaw Cycling Chunyan Jiang 1, a, Yong Feng 2,b and Yuan Zhou 3,c 1 College of Water Conservancy and Civil Engineering ,XinJiang Agricultural University, Urumqi,China axjnydxfy@163.com, b470457472@qq.com Keywords: fine earth; freezing-thaw cycling; internal cohesive force; internal friction angle; conception of soil nail Abstract.
Chinese Journal of Geotechnical Engineering .28(10): 1213-1217
Chinese Journal of Geotechnical Engineering .28(11): 1991-1995
Chinese Journal of Rock Mechanics and Engineering .2003,22(S2): 2695-2699

School of Civil Engineering, Hebei University of Technology, Tianjin 300401, PR China; 2.
School of Energy and Environment Engineering, Hebei University of Technology, Tianjin 300401, PR China aduhongpu@163.com Keyword: Water-source heat pump, mine drainage, wellhead antifreeze, energy efficiency Abstract.
Now the engineers and technicians are aware of the problem already and consider exploiting the potential low-temperature heat resources to reduce boiler coal consumption or alternative boiler [2].
It is not only theoretically possible, but also feasible in practical engineering applications.

A First-Principles Study of the Al (001)/Fe(0-11) Interface Muhammad Zeeshan Khalid1,3,a*, Jesper Friis2,b, Per Harald Ninive1,c, Knut Marthinsen3,d and Are Strandlie1,e 1Department of Manufacturing and Civil Engineering, Norwegian University of Science and Technology, Gjøvik, 2815, Norway 2SINTEF Materials and Chemistry, Trondheim, Norway 3Department of Materials Science and Engineering, Norwegian University of Science and Technology (NTNU), Alfred Getz vei 2, N-7491 Trondheim, Norway.
Mechanical contacting between two solids is also the basis for many metal-forming processes developed and used in engineering.
Davis, Surface Engineering for Corrosion and Wear Resistance, ASM International 2001 [4] M.W.

Parametric Modeling and Stability Analysis of Temporary Grandstand Lin He1,2,a, Cong Liu1,2,b* and Zhenyu Wu1,2,c 1Key Lab of Structures Dynamic Behavior and Control (Harbin Institute of Technology), Ministry of Education, Heilongjiang, Harbin, 150090, China 2School of Civil Engineering, Harbin Institute of Technology, Heilongjiang, Harbin, 150090, China ahelin@hit.edu.cn, bliucong618@126.com, cWuzhenyu@hope.hit.edu.cn Key words: Temporary Grandstands, Parametric Modeling, Python, Stability Analysis, Nonlinear Abstract.
Helwig: Journal of Structural Engineering Vol.131 (2005), p.933 [11] J.J.
Zahn: Journal of Engineering Mechanics, Vol.109 (1983), p.821 [12] S.
Fukumoto: Journal of Structural Engineering Vol.111 (1985), p. 1288

A Formula for the Relationship between Penetration Depth, Viscosity of Asphalt Grouting and Diameter of Stone, Apply for Designing Asphalt-Grouted Stone Revetments Nguyen Huu Hue1, a*, Nguyen Manh Truong2, b and Nguyen Huu Thanh3, c 1Thuyloi University, Vietnam 2Vietnam Academy for Water Resource, Vietnam 3Institute of Civil Engineering, Thuyloi University, Vietnam anguyenhuuhue@tlu.edu.vn, btruongnm76@gmail.com, cnguyenhuuthanhtla@gmail.com Keywords: Sea dyke, Asphalt-grouted stone revetment, Asphalt grouting Abstract: Where suitable rock of only a limited size is scarce, asphalt grouting can be used to provide an impermeable armour layer of greater resistance to wave action than the component rock alone.
Pfiffner Walo Bertschinger Ltd, Asphalt Hydraulic Engineering, WALO UK Limited, (2003)
Hart, Stability of placed basalt revetments with asphalt grouting, 28th International Conference on Coastal Engineering, Cardiff, UK, (2002)
A. van de Velde, The use of asphalt in hydraulic engineering, Rijkswaterstaat Communication, The Hague Netherlands, (1984)

Ghaffar1, Asrul Mahjuddin Ressang Aminuddin1, Muhammad Azzam Ismail1 1Faculty of Built Environment, University of Malaya, Kuala Lumpur, Malaysia 2Department of Civil Engineering, Merlimau Polytechnic, Melaka, Malaysia afahanim@siswa.um.edu.my Keywords: Thermal performance, Thermal comfort, Terrace house, Hot humid climate.
References [1] American Society of Heating, Refrigerating and Air-Conditioning Engineers, ASHRAE 55, 2004
Fanger, Thermal comfort, analysis and applications in environmental engineering, McGraw-Hill, 92(3) (1972) 164
[18] ASHRAE Standard 55, Thermal environmental conditions for human occupancy, American Society of Heating, Refrigerating and Air-conditioning Engineers, 2013