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Introduction Composite steel and concrete structures (concrete-filled tubes in particular), as species of composite elements, taking its origins since the 40-ies of the last century, already acquired enough popularity in a building practice worldwide and widely used as carrying structures for various industry objects, namely (fig. 1) [1-3, 9-11]: – residential and civil buildings (including high-rise); – tower structures (supports of overhear transmission power lines (OHPL), antenna supports of mobile communication, lighting masts, TV and radio towers, etc.); – supports of bridges and overpasses; – structural elements of a cover (beams, arches, trusses); – foundations of tower structures.
A unified formulation for circle and polygon concrete-filled steel tube columns under axial compression. – Engineering Structures. – 49 (2013). – pp. 1-10
Park // Engineering Structures. – 11 (1989). – pp. 1804-1825.

., Bucharest, Romania 5 Transilvania University of Brasov, Faculty of Civil Engineering, 5 Turnului, Brasov, Romania acornelia.dobrescu@incd.ro Keywords: landslide, in situ survey, laboratory tests, sliding surface Abstract.
The complexity and the major importance of landslide hazard for the geotechnical engineering research requires a careful site characterization, „in situ” and laboratory investigations due to the different responses of the terrain according to the geological, physical, hydro-geological and soil mechanical characteristics, morphological and anthropogenic conditions, which control the surface and subsurface water flow and hence, the instability of the slope [3].

Solar Reflective Pigment of TiO2 Nanoparticle Coated on Mica And Thermal Property of Its Isolation-Heat Paint Hyun Jin Lee1, Dae sung Kim1,a, Seung-Ho Lee1, Byung-Ki Choi2 and Kwang-Choong Kang2 1Eco-composite Materials Team, Korea Institute of Ceramic Engineering & Technology (KICET), Seoul 153-801, South Korea 2 CQV Co, Chungcheong Buk-Do, 365-802, South Korea adskim@kicet.re.kr Keywords: TiO2 nanosol, Solar reflective pigment, TiO2 coated Mica (TiO2/Mica), Thermal property, Sol-gel, Isolation-heat paint Abstract.
Northwestern Depart Civil Eng. (1999) [6].
Liu : Recent Patents on Chemical Engineering, Vol. 1 (2008), p. 27-40 [9].

Introduction The confirmation of the primary alcohol structure with varying environmental conditions is one of the most interesting and challenging subjects in a variety of scientific fields, i.e. chemistry, physics, biology, electronics engineering, and civil engineering.

The Influence of Phosphogypsum Microstructure on the Main Properties of Press-Formed Samples Ignacio Villalón Fornés1,a *, Danutė Vaičiukynienė1,b, Viktoras Doroševas1,c and Dalia Nizevičienė2,d 1Building Materials and Structures Research Centre, Faculty of Civil Engineering and Architecture, Kaunas University of Technology, Studentu st. 48, LT-51367 Kaunas, Lithuania 2Department of Electrical Power Systems, Faculty of Electrical and Electronics Engineering, Kaunas University of Technology, Studentu st. 48, LT-51367 Kaunas, Lithuania ai.villalon@ktu.edu, bdanute.vaiciukyniene@ktu.lt, cviktoras.dorosevas@ktu.lt, ddalia.nizeviciene@ktu.lt Keywords: phosphogypsum, microstructure, press-forming, compressive strength.

Heat Losses Through Insulated Glazing Placed Horizontally or Diagonally Zbigniew Respondek Czestochowa University of Technology, Faculty of Civil Engineering, st.
Respondek, Influence of insulated glass units thickness and weight reduction on their functional properties, Open Engineering. 8 (2018) 455–462

Access Control Based on Trust Policy in Open Grid Environment Liting Gao, Zhenyan Wang Computer Science and Technology Department, Hebei Institute of Architecture Civil Engineering Zhang Jia Kou, China gaoliting@163.com Keywords: -trust policy; trust constraint; blacklist; white list; grid computing Abstract.
Computer Engineering, 2010, 7: 7-10 [7] Yang Xiaoming, Luo Hengfeng, Fan Chengyu.

Topology Optimization of the Fiber-Reinforcement of No-Tension Masonry Walls Matteo Bruggi1,a and Alberto Taliercio1,b * 1Dept. of Civil and Environmental Engineering, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan (Italy) amatteo.bruggi@polimi.it, balberto.taliercio@polimi.it *corresponding author Keywords: masonry walls, FRP, structural strengthening, no-tension material, optimization Abstract.
Skilled engineers can easily convert the theoretical layouts into reinforcing schemes of practical achievability.

Alawad2,b Department of Civil Engineering, College of Engineering, Qassim University, Buraydah, Saudi Arabia E-mail: aasalmuzaini@hotmail.com, bomar.awwad@qec.edu.sa Keywords: Coarse aggregate, high strength concrete, impact value, compressive strength, micro silica, Limestone, Basalt.

Enhanced column bioleaching of copper sulfides by forced aeration Mingqing Huanga, Yiming Wangb*, Shenghua Yinc, Aixiang Wud School of Civil and Environment Engineering, University of Science and Technology Beijing, Beijing 100083, P.
Sandström, Acidic sulphate leaching of chalcopyrite concentrates in presence of pyrite, Minerals Engineering. 24 (2011) 381-386.