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Used in areas such as forensic engineering, mechanical engineering, electrical engineering, civil engineering, systems engineering, aeronautical engineering, medicine, and art, some of the popular NDT techniques include: ultrasonic, magne11tic-particle, radiographic, remote visual inspection, electromagnetic testing, and rebound hammer testing [1].
Taiwan Highway Engineering 37(2), 2-18 (2011) [3] Information on http://www.engineeringcivil.com/rebound-hammer-test.html [4] Information on http://www.enkaymachine.com/proceq6.htm [5] V.N.
Cho, in: Application of support vector machines in assessing conceptual cost estimates, Journal of Computing in Civil Engineering 21 (4), 259-264 (2008)

Structrual Engineering and MechaniesVol.12, No.l(2001)51-69
[11] N.M.Newmark.Fundamentals of Earthquake Engineering [M].
Japan Society of Civil Engineers, Japan, 2000
Journal of Structural Engineering, 2004,130(8):1177-1185
Journal of Structural Engineering, 1992, 118(2):545-566

Shear Resistance of Trapezoidal Corrugated Web in Local Buckling Fathoni Usman Centre for Forensic Engineering, College of Engineering, Universiti Tenaga Nasional, Malaysia fathoni@uniten.edu.my Keywords: Trapezoidal corrugated web, thin plate member, shear buckling, local buckling Abstract.
Introduction The steel thin plated member with corrugated webs have been found increased in many diverse engineering structures from structural engineering to aerospace and marine engineering.
Civil Engineering Structures and Buildings (1997), 157-164
Hamilton, Shear Strength of Beams with Corrugated Webs, Journal of Structural Engineering (1996)
Tahir, Shear Strength of Trapezoid Web Plate Girder, Faculty of Civil Engineering, University Teknologi Malaysia, Malaysia (1999)

Cusp Catastrophe Models and Instability Mechanism of Underground Cavern’S Roof JIANG Xue-liang1,2,a, YANG Hui1,b 1School of Civil Engineering and mechanics, Central South University of Forestry and Technology , ChangSha 410004 China; 2School of Civil Engineering, Hunan City University, Yiyang 413000,China a iamjxl@tom.com, b yanghui-dd@163.com Keywords: underground spherical cavity; tunnel; roof of underground carven; catastrophe models Abstract: The underground caverns were divided into underground spherical cavity and underground tunnel.
These achievements have dealt with many practical engineering.
The roof stability became a very important engineering problem.
[2]Wang S.Y, Au S.K, Lam K.C et al.: Key Engineering Materials,Vol.4 (2005),p.2628-2635,in Chinese
[5]Qin S, Jiao J.J and Wang S: Rock Mechanics and Rock Engineering,Vol34(2001),p :119-134

Numerical Study of Stone Column Reinforced Composite Foundation of Highway under Static and Seismic Load Minmin JIANG1, a, Shangyu HAN2,b and Hong LI3,c 1School of Civil Engineering and Architecture, Henan University of Technology, Zhengzhou China 2College of Civil Engineering and Architecture, Nanchang Hangkong University, Nanchang China 3College of Science and Technology, Nanchang University, Nanchang China ajiangmmhaut@126.com, bhanshangyu1979@126.com, clihong19791013@126.com Keywords: stone column, composite foundation, highway, seismic load Abstract.
Ground Engineering, 1998: 1-13
Soil Dynamics and Earthquake Engineering, 2003, 23: 571–584
Engineering Geology, 2004, 72: 275–291
Hydro-Science and Engineering, 1996(2): 143–150.

Use of Ferric Chloride and Chitosan as Coagulant to Remove Turbidity and Color from Landfill Leachate Siti Fatihah Ramli1,a, Hamidi Abd Aziz2,b* 1School of Civil Engineering, Universiti Sains Malaysia (USM), 14300 Nibong Tebal, Penang, Malaysia 2School of Civil Engineering, Universiti Sains Malaysia (USM), 14300 Nibong Tebal, Penang, Malaysia actfatihah88@gmail.com, bcehamidi@.usm.my, Keywords: Ferric chloride, Chitosan, Color, Turbidity Abstract.
Latiff, Treatment of leachate by coagulation-flocculation using different coagualants and polymer: a review, International Journal On Advance Science Engineering Information Technology. 2 (2012) 1-4
Ahmad, Coagulation-flocculation process for pome treatment using moringa oleifera seeds extract: optimization studies, Chemical Engineering. 133 (2007) 205-212
Journal of Chemical and Natural Resources Engineering. 4 (2009) 43-53
Yilmaz, Improvement of coagulation-flocculation process for treatment of detergent wastewaters using coagulant aids, International Journal of Chemical and Environmental Engineering. 1 (2010) 97-101

Study on earthquake resistant performance of a large span structure strengthened with HADAS YongYaoa YongjunDengb DaiguoChenc HaiJunWangd Southwest university of science and technology of civil engineering, Sichuan, mianyang China, 621010 ayy001221@163.com, b516341369@qq.com, ccdg-927@163.com, d410391539@qq.com Keywords: Big span structure; HADAS; Seismic intensity increased; Seismic strengthening; Time history analysis; Abstract.
References [1] Civil and Structural Groups of Tsinghua University; Xinan Jiaotong University and Beijing Jiaotong University.
Z, Nat Soc for Earthquake Engineering [J], 1980, 13(1): 22-26
Bulletin of New Zealand National Society for Earthquake Engineering, 1978, 11(4):282-294
[11] XING Shu-tao; GUO Xun.Study on mechanical behavior and effectiveness of a new type of HADAS[J].Earthquake Engineering and Engineering Vibration.Vol.23.No.6.Dec.2003.

The grain composition and the physical-mechanical properties (Table 2) of the soil are tested according to the method in Test Methods of Soils for Highway Engineering JTG E40-200.
According to Test Methods of Geosynthetics for Highway Engineering JTG E50-2006, the major mechanical properties of geogrid are tested and collected in Table 3.
References [1] Chenggang Bao: Principle of Application and Engineering Practice of Geosynthetics (China Water Power Press, Beijing 2008), in Chinese
[2] Weiwei Yu, Youping Liu: Subgrade Engineering Vol.1 (2010), p. 49–51, in Chinese
[6] Xiang Zhu, Xiaoming Huang: China Civil Engineering Journal Vol.6 (2002), p.86–95 ,in Chinese

Research on Creep Model of Loess considering construction of underground warehouse in China Yongquan Li 1,a , Qinghuan Wang 2, b 1College of Civil Engineering and Architecture, Henan University of Technology, Zhengzhou, 450001, China 2Henan Electric Power Survey and Design Institute, Zhengzhou, 450052, China aliyongquan7197213@126.com, b526423380@qq.com Keywords: Drucker-Prager Creep Model; Double Yield Surface; underground warehouse; pit excavation; loess; Abstract.
Those ways uesd may provide reference to engineering practice.
Engineering Application One underground warehouse is built in China West, and pit excavation is required.
References [1] American Society for Testing and Materials, ASTM D-2487, “Standard Classification of Soils for Engineering Purposes,” ASTM Annual Book of Standards, Volume 04.08 on Soil and Rock, Section 4 - Construction, West Conshohocken, PA,1996
Chinese Journal of Geotechnical Engineering, 1988, 10(1): 64-71, in Chinese

Furthermore, airspace for civil aircraft operations is very limited due to military operating areas and restricted airspaces established by military.
Moreover, airspace for civil aircraft operations is very limited due to many military operating areas (MOA) and restricted airspaces established by military.
Hierarchy for Improvement of UAV operability in airspace The results of AHP analysis The AHP survey involved experts who had been working in the aviation for more than fifteen years, and separated into air-traffic controllers, pilots, and aeronautical engineering experts.