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Investigation of Key Column Parameters on Compressive Behavior of Concrete-filled FRP Tubes Togay Ozbakkaloglu 1, a and Wen Zhang1, b 1 School of Civil, Environmental & Mining Engineering, The University of Adelaide, South Australia atogay.ozbakkaloglu@adelaide.edu.au, bwen.zhang01@adelaide.edu.au Keywords: Fiber reinforced polymers (FRP); Concrete; High-strength concrete; Columns; Confinement; Compressive behavior; Concrete-filled FRP tubes (CFFTs); Stress-strain relations.
Engineering Structures, http://dx.doi.org/10.1016/j.engstruct.2012.06.010 [2] Ozbakkaloglu, T., and Saatcioglu, M. (2006).
Journal of Structural Engineering, ASCE, 133(1), 44-56
Engineering Structures, 30, 2448-2459

Scardi1 1Departement of Civil, Enviromental and Mechanical Engineering, University of Trento, via Mesiano 77, 38123, Italy 2Department of High Technology Physics in Mechanical Engineering, Tomsk Polytechnic University, Tomsk, Russia 3Peen Service s.r.l., via A.
[5] SAE: SAE Manual on Shot Peening - SAE J808a, Society of Automotive Engineers Inc, USA (1967)
[7] SAE: HS-784, Residual Stress Measurement by X-Ray Diffraction, Society of Automotive Engineers Inc, USA (2003)

Analysis by Pineapple Leaf in Chemical Pulping Process Zawawi Daud1, a, Mohd Zainuri Mohd Hatta2,b , Angzzas Sari Mohd Kassim3,c, Ashuvila Mohd Kassim4,d and, Halizah Awang5,e 1,2Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor Malaysia 3,4 Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor Malaysia 5Faculty of Technical and Vocational Education, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor Malaysia azawawi@uthm.edu.my, bmzainuri88@gmail.com, chalizah@uthm.edu.my, Keywords: Fiber, Pineapple leaf, Green technology, Pulp and paper making.
Ariza: Chemical Engineering Research and Design Vol. 82(2004), p. 1029-1036
Tsoumis: Wood Material Science and Engineering Vol. 1(1991), p. 50-52

Journal of Applied Engineering Science, Vol. 12 (1), (2014), pp 37-44 [25] V.
Journal of Applied Engineering Science, Vol. 12 (1) (2014), pp 1-10 [26] V.
Journal of Applied Engineering Science, Vol. 12 (2) (2014), pp 121-128 [27] S.
Bulletin of Civil Engineers. 5 (40) (2013), pp. 26-31 [28] D.

Research on Natural Settlement Rule of Dredged silt in Tianjin Binhai Region Xiaoqiang Liu1,a , Yuting Zhang 1,b ,Yanhua Yang 1,c and Mingming Li1,d 1Tianjin Research Institute for Water Transport Engineering, Tianjin, 300456, China alxq200@163.com, btkszyt@126.com, cyyh200@163.com, d tklimingming@163.com Keywords: Dredging silt; Natural settlement; Settlement law; High water content Abstract: Main research object of this article is marine dredging silt in Tianjin Binhai region.
Thus, it is very important to learn about natural settlement rule of dredged silt for rational implementation of reclamation engineering.
Experiment Soil and Experiment Program Experiment Soil Silt used in research is taken from the site soil sample of reclamation engineering area in Tianjin Binhai New Area.
[6] Cao Yupeng, Ji Feng, Model tests on sedimentation behavior of dredged sludge[J],Advances in science and technology of water resources,2011,31(3):36-39. [7] Xu Gui-zhong,JI Feng,WEN Jia-xing, Sedimentation Behavior of Dredged Slurry at High Water Contents[j],Journal of Civil Engineering and Management,2012,29(3):22-27. [8] Li shiyuan, Property and Influence of Friction Face Between Siltand Polymethyl-Methacry late in Sedimentation Column Test[j], Port technology,2012:10-13.

The most significant contribution is the incorporation of engineering solutions and natural infrastructure upstream, given that there have always been interventions resulting from the consequences of mass movements downstream.
The main geologic hazards in Tinajas Creek, mapped by Engineers Segundo Núñez and Sandra Villacorta, are mass movements of the mud and debris flow type from both banks of Tinajas Creek (See Figure 3), as well as erosion and gully formation.
It is very important to consider the use of natural infrastructure as an alternative solution in the upper part of the creek, since it provides greater durability and long-term self-preservation compared to engineering with gray structures, in addition to the low cost it represents.
International Conference on Civil, Structural and Transportation Engineering. https://doi.org/10.11159/iccste25.234

AlZahrani4,f 1Department of Chemical Engineering, Universitas Islam Indonesia, Yogyakarta 55584, Indonesia 2Department of Chemical Engineering, Universitas Sebelas Maret, Surakarta 57126, Indonesia 3PT Petrokimia Gresik, Jalan Jenderal Akhmad Yani, Gresik 61119, Indonesia 4Department of Chemical Engineering, King Saud University, P.O.
There are numerous research studies that focused on the use PVA fiber in engineering fiber reinforced concrete (FRC) for structure/construction application, in which the cement or mortar was used as matrix [1-4].
Civil Eng. 17 (2005) 624-631

Jassam5, h 1Chemistry Department, College of Sciences, Kirkuk University, Kirkuk, Iraq 2Center of Excellence Geopolymer and Green Technology, Faculty of Engineering Technology, Universiti Malaysia Perlis, Perlis, Malaysia 3Department of Civil Engineering, Al-Maaref University College, Ramadi, 31001, Iraq 4Nanotechnology & Catalysis Research Centre (NANOCAT), University of Malaya, 50603 Kuala Lumpur, Malaysia 5Civil Engineering Department, Faculty of Engineering, Technology and Built Environment, UCSI University, Kuala Lumpur 56000, Malaysia aluqm71@gmail.com, bniknoriman@unimap.edu.my, cMohd.alomar@yahoo.com, dabdoakrash@hotmail.com, eeng.omar@mail.com, frosnizahamzah@unimap.edu.my, gbashir1.betar1@gmail.com, htahamj75@gmail.com Keywords: Poly(lactic acid), Montmorillonite, Titanium dioxide, bionanocomposite, tensile properties.

Series: Materials Science and Engineering. 327 (2018) 032011
Bоgusevich, The modified composite slag-cement binder, Journal of Engineering and Applied Sciences. 9 (8) (2014) 1381–1385
Klyuev Fire resistant fibre reinforced vermiculite concrete with volcanic application, Magazine of Civil Engineering. 4 (2018) 181–194. doi: 10.18720/MCE.80.16
Strokova, Structure formation of geopolymer perlite binder vs. type of alkali activating agent, Journal of Engineering and Applied Sciences. 11 (20) (2016) 12275–12281

Methods for Determination of Residual Mortar Content Adhered to Recycled Aggregate Chen Jia1,2,a, Jiachuan Yan1,2,b, Qiong Hu 1,2,c,*, Chaoying Zou1,2,d, and Faxin Chen1,2,e 1Key Lab of Structures Dynamic Behaviour 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 aHIT_jiachen@126.com, bjiachuanyan@163.com, chuqiong@hit.edu.cn, dcyzou@hit.edu.cn,echen_faxin@163.com, Keywords: recycled aggregate; residual mortar content; apparent density method; quench hot method; sulfate solution freezing-thawing method.
However, in practical engineering, it is hard to get the apparent density of basic concrete and of residual mortar, so there are only estimate.
V=Va+Vm （1） M=Ma+Mm=ρaVa+ρmVm （2） ω=Mm/M×100%=ρmVm/M×100% （3） Engineering significance of residual mortar content determination in recycled aggregate In one of Chinese codes Recycled Coarse Aggregate for Concrete (GB/T25177-2010), recycled coarse aggregate is classified to 3 levels, and level 2 recycled aggregate is the one to which attaches residual mortar.
In practical engineering, if level 2 recycled aggregate directly replaces natural aggregate, the replacement ratio is the false one.