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Steel Box Girder - Steel Tube Arch Bridge Fall-girder System Conversion Technology Construction Control Research Kaizhong Xie1,2,a, Feng Fan 1,b, Xianzhi Huang1 1School of Civil and architecture Engineering, Guangxi University, Nanning 530004, China 2 Guangxi Key Laboratory of Disaster Prevention and Engineering Safety，Guangxi University,Nanning,530004, China axiekaizhong@gxu.edu.cn, bfanfengchn@163.com Keywords: steel tube arch bridge, construction monitoring, fall girder construction technology, optimal control Abstract.
The bridge cable force monitoring method mainly has four kinds: the method of pressure gauge reading, the method of pressure sensor, vibration frequency method and electromagnetic measurement method[7], the vibration frequency method is the most commonly used method in practical engineering application.
Construction process analysis Using bridge calculation software Midas/civil to do simulation calculation, beam element is adopted to simulate the piers, concrete box girder, steel box girder, steel arch, bridge deck is simulated into plate elements, truss element are adopted to simulate suspender, the bottom of pier and both ends of the bridge consolidate, using rigid connection between the concrete box girder and steel box girder.
[4] Chuanxi Li, Hongjun Ke, Jian Liu and Chuangwen Dong: China Civil Engineering Journal Vol.41 (2008), P.49, In Chinese

Green construction can be defined as “On the premise of ensuring quality, safety and other basic requirements, scientific management and technological progress should be used in engineering construction, to maximize the conservation of resources and reduce the construction activities which will bring negative impacts on the environmental, and to achieve the goal of four savings (energy, land, water and materials) and environmental protection” [18].
Cho, Assessment Model on Environmental Economics for Construction Projects in Korea, KSCE Journal of Civil Engineering 16(4) (2012) 505-516
Kim, An Investigation of the Applicability of Sustainability and Lean Concepts to Small Construction Projects, KSCE Journal of Civil Engineering 16(5) (2012) 699-707
Chang, Strategic Selection of Green Construction Products, KSCE Journal of Civil Engineering 16(7) (2012) 1115-1122

[6] Civil Engineering Research Foundation (CERF).
Gap analysis for durability of fiber reinforced polymer composites in civil infrastructure.
New York (NY): American Society of Civil Engineers; 2001
Bath, UK: Sustainable Energy Research Team, Department of Mechanical Engineering, University of Bath; 2008
In: Engineering sustainability conference.

However, beyond the cost issues, the major obstacle that preventing the extended use of GFRP materials in civil engineering especially grating is lack of information and uncertainty associated with the due to no consensus guidelines for the design of GFRP grating comparable to the traditional construction materials.
Vinyl ester also has low viscosity and short cure time, make it well suited for civil engineering application.
Acknowledgment The authors would like to extend their acknowledgement to the Yayasan Universiti Teknologi PETRONAS (YUTP) for providing the funding and resources for the accomplishments of this research study References [1] Liao, K., Schultheisz, C.R., & Hunston, D.L., "Long-term environmental fatigue of pultruded glass-fiber-reinforced composites under flexural loading," International Journal of Fatigue, vol 21, pp. 485-495, 1999 [2] Gu H., "Behaviours of glass fibre/unsaturated polyester composites under seawater environment," Materials & Design, vol 30(4), pp. 1337-1340, 2009 [3] Buck, S.E., Lischer, D.W., & Nemat-Nasser, S., "Mechanical and microstructural properties of notched E-glass/vinyl ester composite materials subjected to the environment and a sustained load," material science and Engineering, vol.
[5] Karbhari, V.M., Chin, J.W., Hunston, D., Benmokrane, B., Juska, T., & Morgan, R., "Durability gap analysis for fiber-reinforced composites in civil infrastructure," ASCE J Composite Construction, vol. 7, pp. 238-247, 2003
[6] Hollaway, L., "Glass Reinforced plastics in construction: Engineering Aspects.," Bishopbriggs, Glassgow, Surrey University Press., 1978

Mechanical Behaviour of Masonry Panels Strengthened by Flax TRM Systems Giuseppe Ferrara1,2,a*, Carmelo Caggegi1,b , Aron Gabor1,c and Enzo Martinelli2,d 1University Claude Bernard Lyon 1, Laboratory of Composite Materials for Construction (LMC2) Site Bohr, 82 Boulevard Niels Bohr, Campus de la DOUA, 69622 Villeurbanne Cedex, France 2Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy agiferrara@unisa.it, bcarmelo.caggegi@univ-lyon1.fr, caron.gabor@univ-lyon1.fr, de.martinelli@unisa.it Keywords: TRM, FRCM, Flax, Masonry, Diagonal compression test, Strengthening.
Due to its importance, the problem of seismic repair, retrofit and rehabilitation of existing buildings has gained the attention of both practitioners and researchers working in civil engineering field [3].
Silva, Seismic vulnerability assessment of historical masonry structural systems, Engineering Structures 62-63 (2014) 118-134
Martinelli, Tensile behaviour of Textile Reinforced Mortar composite systems with flax fibres, Proc. of the 12th fib International PhD Symposium in Civil Engineering Aug 29 to 31, 2018, Czech Technical University in Prague, Prague, Czech Republic

Sulymon2,b 1Department of Civil Engineering, University of Ibadan, Nigeria. 2Nigerian Building and Road Research Institute, Km 10 Idiroko Road, P.
Journal of Civil Engineering, JKUAT, Vol. 8 March 2003, pp.27 – 35
Jackson, Civil Engineering Materials. 2nd ed.
Chowdhury, Engineering Materials.

Dynamic deformation behavior and life analysis of green reinforced gabion retaining wall Yuliang Lin1, a and Guolin Yang2,b 1School of Civil Engineering, Central South University, Changsha, China 2School of Civil Engineering, Central South University, Changsha, China alinyuliang11@163.com, byangguolin6301@163.com Keywords: green reinforced gabion wall; dynamic deformation behavior; lab test; life analysis Abstract.
As a new reinforced soil structure in engineering, green reinforced gabion retaining wall can not be designed or constructed by any norms or similar engineering experience.
He: Chinese Journal of Geotechnical Engineering, Vol. 22 (2000), p. 289-293
Li: Chinese Journal of Rock Mechanics and Engineering, Vol. 28 (2009), p. 4027-4033
Wang: Journal of Vibration Engineering, Vol. 15 (2002) p. 173-177.

Preface The 2nd International Conference on Material Engineering Research (2nd ICMER 2019) was taken place in Incheon National University, Incheon, South Korea during May 17th-19th, 2019.
Jongwan Hu Incheon National University, Department of Civil and Environmental Engineering Incheon Disaster Prevention Research Center Secretary Hongki Son Incheon Disaster Prevention Research Center Associate Editors Prof.

Preface The 3rd International Conference on Material Engineering Research (3rd ICMER 2020) was taken place in Incheon National University, Incheon, South Korea during May 22th-24th, 2020.
Jongwan Hu Incheon National University, Department of Civil and Environmental Engineering Incheon Disaster Prevention Research Center Secretary Hongki Son Incheon Disaster Prevention Research Center Associate Editors Prof.

Based on the potential of new materials and technologies, it is possible to create advanced engineering building systems.
Karin Deáková, Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Radlinského 11, 813 68 Bratislava, Slovakia EDITORIAL BOARD Prof.