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Study and Application On Computational Methods For Ultimate Bearing Capacity Of Single Pile Zeliang Yao1, a, Zhen Jian2,b and Guoliang Bai1,c 1 School of Civil Engineering, Xi'an University of Architecture & Technology, China 2 School of Water Resources & Hydroelectric Engineering, Xi'an University of Technology, China a yaozeliang@sina.com, bjianzhen@sina.com, cguoliangbai@126.com Keywords: ultimate bearing capacity, single pile, computational method, contact element, linear recursive multi-analysis.
So the pile foundation holds the balance in the domain of foundation engineering.
So it is urgent to simplify the computational process on the new numerical simulation methods in the domain of foundation engineering [5].
Engineering field is flat.
[3] Zeliang YAO, Zhen JIAN: Multianalysis on computational methods of vertical ultimate bearing capacity of a single pile, edited by Journal of Engineering Mechanics (2003), 8(sup.): 268-272

Journal of Geotechnical and Geoenvironmental Engineering, 2007, 133(4): 381–392 [2] Houston, S.
Microcomputer of Civil Engineering, 1987, 2(3): 207–222 [3] Joseph Wartman, Jonathan D.
Journal of Geotechnical and Geoenvironmental Engineering, 2003, 129(8): 673-684 [4] Lin, J.
Engineering, 1986, 112(1): 44–59 [5] Kramer, S.
Hydrogeology and Engineering Geology, 2008,(4): 1-6 ( In Chinese) [7] CuiPeng, WeiFangqiang, HeSiming, etal.

Hydrogeology and Engineering Geology, 2009, (1): 86-89.
Engineering Science, 2002, 4(10): 57-61.
Journal of Hydraulic Engineering, 2003, (1): 21-27.
Chinese Jounal of Geotechnical Engineering, 2001, 23(4): 407-411.
China Civil Engineering Journal, 2004, 37(4): 70-75.

Statistics and Analysis of Influential Factors on Shear Strength of Reinforced Saline Soil with Wheat Straw and Lime Min Li1,a, Shouxi Chai2,b, Hongpu Du3,c and Li Wei2,d 1Key Laboratory of Mechanics on Disaster and Environment in Western China , Lanzhou University, Ministry of Education, Lanzhou 730000, China; 2Tianjin Key Laboratory of Soft Soil Characteristics and Engineering Environment, Tianjin Institute of Urban Construction, Tianjin 300384, China; 3College of Civil Engineering, Hebei University of Technology, Tianjin 300401, China alimin-0409@163.com, bchaishouxi@163.com, cd_hongpu@163.com, dweili_79@126.com, Keywords: Shear strength; Orthogonal design; Principal Component analysis; Range analysis; Reinforced consolidated soil; Wheat straw; Lime; Saline soil Abstract.
The test site is located at the Tianjin Key Laboratory of Soft Soil Characteristics and Engineering Environment.
[2] Code for Investigation of Geotechnical Engineering (GB 50021-2001).
[3] Min Li, Shouxi Chai and Li Wei: Journal of Engineering Geology, Vol. 17(4) (2009), p. 545-549.
Shivananda: Geotechnical and Geological Engineering, Vol. 23(3) (2005), p. 309-319.

Application of Pile Underpinning for Strengthening Design of Longgan Bridge Yiping Tana, Jian Lib, Jinhua Zouc , Haibo Jiangd The Faculty of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, 510006, China.
Thus, pile underpinning, as a measure widely used in railway engineering[1], can also be applied to strengthen damaged bridges.
Convenient construction, small engineering amount of pile caps, low cost.
Small engineering amount of pile foundation.
Railway Engineering, (4):73-77.In Chinese

Analysis of cracking processes of sandstone in rockburst test LI Dejian1,2,a, ZHAO Fei1,2,b, MA Runjie3,c, HAN Liqiang4,d, WU Xiaohu2 1 State Key Laboratory for GeoMechanics and Deep Underground Engineering, Beijing, 100083, China 2 Mechanical and Civil Engineering, China University of Mining & Technology, Beijing, 100083, China 3 Beijing New Oriental Star Petrochemical Engineering Co.
Chinese Journal of Rock Mechanics and Engineering，2000，19(1)：6–10.
Mechanics in Engineering，2006，28(4)：60–64.
Chinese Journal of Rock Mechanics and Engineering，2007，26(5)：944–950.
Chinese Journal of Rock Mechanics and Engineering，2007，26(5)：865–876.

Study on effects of sea ice on nonlinear seismic responses of single-column pier subject to different types of earthquakes Fu-qiang Qi1,a, Bo Song1, b 1School of Civil & Environment Engineering, University of Science and Technology Beijing, Beijing 100083, China asafety-star@163.com, bsongbo@ces.ustb.edu.cn Key Words: Sea Ice; Single-column Pier; Earthquake; Nonlinear Seismic Response Abstract: The seismic response analysis model of a single-column pier surrounded by sea ice was established and it analyzed the nonlinear seismic response of the pier subject to different types of earthquakes.
Introduction The ice period can be 3-4 months in Bohai Sea, and the large span bridges, offshore engineering structures are subject to both seasonal frozen and hydrodynamic pressure.
In foreign history, there have been several serious structural damages of offshore engineering subject to ice load and earthquake.
How to design the offshore engineering and guarantee the engineering structures safe operation is still a challenge and problem to engineering professionals.
The Proceedings of the Second International Offshore and Polar Engineering Conference, San Francisco, USA , 1992, 2, 764-771

The eigenvalue of the durability index correlative with design include the design engineer, the depth of concrete cover, the design of main rebar and constructional rebar.
The director engineer for construction, the management of construction site, casting and vibrating techniques, and curing could influence the anti-corrosion performance of the immersed tunnel concrete structures.
Table 4 The eigenvalue of the durability index correlative with the concrete construction No. items calculating formula and the values range ΔTp, i 1 director engineer for construction 25～-10 25 2 concrete receive engineer of general contracting unit does not stay at concrete receive site permanently: -5 measure and register for raw materials: 5 5 3 casting management engineering commander does not stay at casting locale permanently : -5 0 4 casting highness of concrete 2(1.5- A17） A17:casting highness of concrete (m) (A17=2) -1 5 casting rate 20- A18 （10～-10） A18: maximal casting rate（m3/h）(A18=100) -10 6 vibrating using attached vibrator and inside vibrator in factory: 15 using attached vibrator in factory: 10 using attached vibrator and inside vibrator at cast-in-place: 5 using inside vibrator as usually: 0 without using inside vibrator: -25 15 7 curing using special curing technique: 10 using moisturizing films: 5 using common curing: 0 10 8 curing age
Port & Waterway Engineering, 2005 (9):45-48, 57.
(in Chinese) [3] Japan Society of Civil Engineers.

[5] Xiaobing Zhou, Wu Che: Water & Wastewater Engineering Vol. 3 (2009),p.120-124(In Chinese)
[15] Ping Xu, Junqi Li, Jing Guo, et al: Journal of Beijing Institute of Civil Engineering and Architecture Vol. 4 (2005),p.45-50(In Chinese)
[20] Wu Che,Lan Ou,Hong Liu, et al: Water & Wastewater Engineering Vol. 9 (2001),p.38-41(In Chinese)
[25] Jindong Xiao, Daizong An, Heng Liu, et al: Journal of Materials Science and Engineering Vol. 5 (2004),p.757-759(In Chinese)
[42] Steven Strom, Kurt Nathan, Jake Woland: Site Engineering for Landscape Architects (John Wiley & Sons,Inc.

Bidirectional Behaviour of Unstiffened and Stiffened Direct-Welded Connections for Square CFST Columns Helmy Tjahjanto1,a*, Gregory MacRae1,b and Anthony Abu1,c 1Department of Civil and Natural Resources Engineering, University of Canterbury Christchurch, New Zealand ahelmy.tjahjanto@pg.canterbury.ac.nz, bgregory.macrae@ canterbury.ac.nz, canthony.abu@ canterbury.ac.nz Keywords: concrete-filled steel tube, direct-welded, internal stiffener, doubler plates, bidirectional loading Abstract.
Leon, "Suitability of CFT columns for New Zealand Moment Frames," Bulletin of the New Zealand Society for Earthquake Engineering, vol. 48, no. 1, March 2015
Morita, "Elastoplastic Behavior of Panel Zone in Steel Beam-to-Concrete Filled Steel Tube Column Moment Connections," Journal of Structural Engineering, vol. 131, pp. 1841-1853, 2005
Tagawa, "Seismic Behavior of 3D Steel Moment Frame with Biaxial Columns," Journal of Structural Engineering, vol. 127, no. 5, pp. 490-497, 2001
Kunnath, "Effect of bidirectional interaction on seismic demand of structures," Soil Dynamics and Earthquake Engineering, vol. 52, pp. 27-39, 2013