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Research on Factors of Flutter Critical Velocity in Suspension Bridge Stiffened with Steel Truss Bi Ji-hong, Shu Chun-sheng School of Civil Engineer,Tianjin University,TianJin 300072,China email: scs19800323@163.com Key words: truss stiffening girder;suspension Bridge;flutter stability;critical velocity.
Take the Liujiaxia bridge as engineering background.
Journal of wind Engineering and Industrial Aerodynamics,1996
Journal of Wind Engineering and Industrial Aerodynamics,1999
Engineering Structure, 1989, 11(2): 75-82.

To meet the engineering applications, mechanical and physical properties of materials especially steels and their alloys are improved through thermal treatments.
It encompasses engineering vitality measuring the capability of a material to endure an impact load.
Later, engineers and researchers attempted to determine the causes of such fractures.
Charpy impact test was set up (Model/Make: Fuel Instruments and Engineer Private Limited, with energy range 0-300J) is displayed in Fig. 1(b).
Mech. and Civil.

Adaptive-Curvature Structures with Auxetic Materials NABONI Roberto1,a*, SARTORI Stefano2,b and MIRANTE Lorenzo3,c 1University of Southern Denmark, Civil and Architectural Engineering, DK-5230 Odense M, Denmark 2ACTLAB, Politecnico di Milano, Italy 3Art&Build, - ACTLAB, Politecnico di Milano, Italy aron@iti.sdu.dk, bstefano.sartoripezzi@gmail.com, cmirante.lorenzo@gmail.com Keywords: auxetics, metamaterial, active-bending, computational design.
This work explores this paradigm by introducing the use of auxetic metamaterials, specifically engineered to obtain properties beyond those found in nature, to generate structures with adaptive curvature obtained from planar construction elements.
This paper explores the design and application of the so called metamaterials, in which properties are specifically engineered to go beyond the ones found in nature.
In medical and chemical sectors auxetics are mainly used for their capacity to variegate their porosity, whereas in medical, chemical engineering and in sport applications they are mainly exploited for their specific mechanical properties.
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering.

The authors have proposed a relatively simple and convenient method for engineering purposes that allows one to simulate time-dependent viscoelastic properties of a multilayered composite element subjected to loading along layer joints.
Introduction In recent years, due to rapid development of computer-aided methods, improvement of analytical models and an explicit explanation of material properties, composite structures have been widely used in engineering practice.
In the present paper, the authors have proposed a relatively simple and convenient method for engineering purposes, allowing to simulate time-dependent viscoelastic properties of the layered composite element subjected to loading along the layer joints.
Dulinskas: Determination of Linear Creep Characteristics for concrete (Civil Engineering, Vol.

Based on the actual flight appeared in the process of nonideal motion state and the engineering application of the factors such as detailed analysis, only understand the influence factors to determine the effective detection method, simplified data processing process, and improve the data processing efficiency.
Introduction Synthetic Aperture Radar (SAR) along the track interferometry(ATI)[1] ground moving target Indication (GMTI) is one of the most commonly used method of SAR-GMTI, whether in military reconnaissance[2] or civil transportation monitoring[3], all plays a very important role.
According to the SAR-ATI research in theoretical aspects, there are many reports in the literature[4-5] at home and abroad, but also put forward a lot of solution, but most of them are built on the basis of simulation data, this paper focuses on the airborne SAR double channel data using ATI method into the Moving Target Indication process various factors affecting the discussion. in view of the practical application in engineering problems are analyzed in detail, and gives the corresponding solution, and achieved good results, and to the ground moving target had good heavy positioning and speed.
Engineering problems to the influence of the SAR -ATI The airborne SAR-ATI in practical application and the problems mainly has two, one is antenna assembly problem, the other is a two channel sampling clock incomplete synchronization issues.
Conclusion This paper focuses on the airborne SAR double channel data using ATI method into the Moving Target Indication process various factors affecting the discussion. distance up on time with offset is mainly composed of engineering application of reason is caused, this part for interferometric phase does not produce influence.

Koroteev1,2,a*, Makhmud Kharun1,b 1Department of Civil Engineering, Peoples Friendship University of Russia (RUDN University), Moscow, Russia 2Department of Hydraulics, Moscow Automobile & Road Construction State Technical University (MADI), Moscow, Russia ad241184@gmail.com, bmiharun@yandex.ru Keywords: air gap, concrete curing, heat treatment, solar energy, formwork.
An important task for engineers and scientists is to reduce costs of the manufacturing and make it ecological by introducing energy-saving technologies and renewable energy resources.
However, the efficiency of such engineering solution depends on type and construction of the solar energy equipment.

Assessment study on impact of pile driving vibration on surrounding houses Luoyi1,a*, Senwei Xia2,b 1 College of Civil Engineering, Huaqiao University, Xiamen 361021, China 2 Hangzhou city housing safety Identification management center, Hangzhou 310003, China aluoyi@hqu.edu.cn, bready0630@163.com, *corresponding author Keywords: pile driving construction；vibration detection; assessment criteria Abstract.
Combined with the engineering practice, discussion about the defects in the criteria of vibration detection is presented.
Many engineers use "State Seismic Intensity" (Table 1: Acceleration evaluation indicators) or "Blasting Safety Regulations" (Table 2: Speed ​​evaluation indicators) to evaluate risk of construction vibration.
Soil Dynamics and Earthquake Engineering, Volume 19, Issue 5, (2000) 371-387 [3] Reza Nateghi, Prediction of ground vibration level induced by blasting at different rock units.

Saidin4,d 1,2,3Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor, Malaysia. 4Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor, Malaysia.
In recent years, cellular metals have been the focus in engineering, replacing or substituting the use of solid heavy metals.
In highway Engineering, non-uniform road settlement problems is a common phenomenon facing the geotechnical and geoenvironmental engineers due to the inherent weakness of soft soil ground to support heavy loads and the variation in geotechnical properties.
Mohamad: submitted to International Journal of Integrated Engineering Vol. 4 (2012), pp. 47 – 52 [9] H.
Osborn: submitted to Fifth International Conference on Case Histories in Geotechnical Engineering New York (2004) [10] I.

Key technology research in main up-push remove of Beijiang Bridge can be used for other similar bridge engineering.
Matthew Barsottelli analysed the blasting method and non-blasting demolition of highway bridges practical engineering examples[4].
Similar engineering and technology research was less at home and abroad.
Railway Engineering. (2012) (In Chinese) [2] Shi.F.Q.
Engineering Blasting.( 2009) (In Chinese) [3] Wang.

Experiment research on the mechanics properties of urban garbage blocks Xingwen Luo a, Hailin Yaob State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei 430071, China aluoxw2005@126.com, bhlyao@whrsm.ac.cn Keywords: stacking landfill of garbage blocks, orthogonal tests, compressive strength, visual analysis.
[3] LIU Hai-yan, WEI Xin-dong, QIN Fei, JING Ling, WU Xiang-hui: Journa1 of Ji1in Institute of Architecture and Civil Engineering Vol.26(2009),p.71-73, ,in Chinese
[5] Park Yongjin, Hong Feng, Cheon Jihoon, Hidaka Taira, Tsuno Hiroshi: Journal of Bioscience and engineering Vol.105(2008),p.48-54
[12] Wu Wenqing,Wang Hui: Environmental sanitation engineering Vol.17(2009),p.58-60,in Chinese