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This increase in amount has led the general public and civil aviation authorities to place more attention on safety issues and the crashworthiness of LSA.
Crashworthiness research first appeared in DeHaven’s study [5] which was presented at the annual meeting of the Society of Automotive Engineers in 1952.
However, the crashworthiness requirements for various types of airplanes have not been clearly specified in civil aviation regulations.
DeHaven, “Accident survival - Airplanes and Passenger Automobile”, presented at the Annual Meeting of the Society of Automotive Engineers, SAE 716 pp. 1-7, Jan. 1952
Civil Aircraft of the 1990s”, NASA SP-2003-4529, NASA, October 17, 2003

Statistical Analysis of Fundamental Periods of Frame Structures Yanqiang Gao1, a, Wenfeng Liu1, b School of Civil Engineering, Qingdao Technological University, Qingdao 266033, China agaoyanqiang2006@163.com, blwf6688@sohu.com Keywords: Frame Structure, Fundamental Periods, Empirical Formula, Regression Analysis.
According to the measured results of 142 frame buildings, while there are little changes in stiffness and mass of those frame buildings along the height and the height of those buildings are all under 50m, “Aseismic Design Code for Industrial and Civil Buildings (try out)” (TJ11-74) proposed the empirical formula through statistical analysis as Eq.3
Chen, Analysis of the affecting factors on the natural period of Frame ,Academic Library of Henan Civil Construction, Vol.4 (2000) ,p.82-83 (in Chinese)
,Institute of Engineering Mechanics of Earthquake Administration in China, 2005 ),p.71-72 (in Chinese)
Meehan, Proceeding of SMIP92 Seminar on Seismological and Engineering Implications of Recent Strong-Motion Data , California, 1992, pp.1-12 [7] Information on http://www.strongmotioncenter.org/

Interfacial Transition Zone (ITZ) Study of Concrete with Polyethylene Terephthalate (PET) Plastic ABDULLAHI Ali Omar1,a*, MUHAMAD Zameel Hakim Ahmed Sabri2,b and KHAIRUL Nizar Ismail3,c, 1,2&3Faculty of Civil Engineering Technology, Universiti Malaysia Perlis (UniMAP), Kompleks Pusat Pengajian Jejawi 3, 02600 Arau, Perlis, Malaysia.
Acknowledgement The authors would like also to acknowledge Faculty of Civil Engineering Technology university Malaysia Perlis (Unimap) for their support and contribution.
Advances in Civil Engineering 2019 (2019)

Some applications of Infrared thermography in civil engineering are: the identification of heat losses in building envelopes, as a nondestructive method for detection of the defects and anomalies in various civil engineering structures, in non-destructive testing at the discovery of subsurface features of structures, to locate the defect.
Infrared (IR) thermography (Fig. 14) has been widely used in civil engineering for the identification of heat losses in building envelopes, thermal methods with remote infrared imaging systems are used for non-destructive evaluation of materials and structures thermography [13].

Sustainable Mortars with Incorporation of Microencapsulated Phase Change Materials CUNHA Sandra1, a, AGUIAR José1,b, ZALEGOWSKI Kamil2, c, GARBACZ Andrzej2, d, SOARES Patrícia1,e, AZEVEDO Juliana1,f, FERREIRA Victor3,g and TADEU António4,h 1 University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal 2 Warsaw University of Technology, DMBE, Armii Ludowej 16, PL 00637 Warsaw, Poland 3University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal 4University of Coimbra, Rua Luís Reis Santos - Pólo II da Universidade, 3030-788 Coimbra, Portugal asandracunha86@gmail.com, baguiar@civil.uminho.pt, ck.zalegowski@il.pw.edu.pl, da.garbacz@il.pw.edu.pl, epatriciarvs3@gmail.com, fjulianazevedo@live.com.pt, gvictorf@ua.pt, htadeu@dec.uc.pt Keywords: Mortar; Phase change material; Fly ash; Physical properties; Mechanical properties.
Tadeu, Influence of the Type of Phase Change Materials Microcapsules on the Properties of Lime-Gypsum Thermal Mortars, Advanced Engineering Materials 16 (2014) 433-441
Tadeu, Mortars based in different binders with incorporation of phase-change materials: Physical and mechanical properties, European Journal of Environmental and Civil Engineering (2015) (in press version)
[12] National Laboratory of Civil Engineering (LNEC).

Structural Performances of Clay Brick Masonry Columns Partially Confined with FRCM/SRG Composites Luciano Ombres1,a*, Marielda Guglielmi2,b and Salvatore Verre3,c 1Department of Civil Engineering, University of Calabria, Arcavacata di Rende, Cosenza, Italy 2Department of Civil Engineering, University of Calabria, Arcavacata di Rende, Cosenza, Italy 3Department of Civil Engineering, University of Calabria, Arcavacata di Rende, Cosenza, Italy aluciano.ombres@unical.it, bmarielda.guglielmi@gmail.com, csalvatore.verre@unical.it Keywords: Masonry Columns, Partial confinement, FRCM, SRG.

Properties of Concrete Containing Scrap-tire Chips WaichingTang1, a, Hongzhi Cui2,b and Yiu Lo3,c 1School of Architecture and Built Environment, The University of Newcastle, Australia 2Shenzhen Durability Center for Civil Engineering, Shenzhen University, P.R.
ASCE Journal of Materials in Civil Engineering 5 (4), 478-496
ASCE Journal of Materials in Civil Engineering, 11 (3), 206-213

Experimental Study on Shear Capacity of Broad-limb Special-Shaped Columns Tiecheng Wang 1,2, a, Xiangshang Chen 1,3,b 1 Shool of Civil Engineering, Tianjin University, Tianjin 300072, China 2 Key Laboratory of Coast Civil Structure Safety(Tianjin University),Ministry of Education,Tianjin 300072 3 College of Civil Engineering,Hebei University of Technology,Tianjin 300401, China a wangtiecheng@eyou.com, bcxs0928@sina.com Keywords: broad-limb special-shaped columns, shear strength, experiment, loading angles, design formula Abstract.
Fig.1 Facade sizes and loading angles of specimen Fig.2 Section dimensions and reinforcements Fig.3 Test load device All of the vertical axis pressure is applied by hydraulic jack first, axial compression ratio is about 0.215, which is equivalent to about 0.6 in practical engineering, and is a higher designed axial compression ratio.

Pramesti4,d 1Faculty of Engineering, Universitas Atma Jaya Yogyakarta, Babarsari 44, Yogyakarta, Indonesia. 2Alumni, Universitas Atma Jaya Yogyakarta, Babarsari 44, Yogyakarta, Indonesia. 3Faculty of Engineering, Universitas Atma Jaya Yogyakarta, Babarsari 44, Yogyakarta, Indonesia. 4Ph.D student in Civil Engineering, Department of Civil and Environment Engineering, Faculty of Engineering, Universitas Gadjah Mada, Jalan Grafika no.2 Komplex UGM, Yogyakarta, Indonesia apeterkaming82@gmail.com, bvito_prabowo@gmail.com, cferianto_R@yahoo.com, dn.putri.pramesti@gmail.com Keywords: operation and maintenance, campus building, ISO 15686, life cycle costing Abstract.
Ervianto, 2007, Study of Building Maintenance (Case Study Campus Building), Civil Engineering Journal Volume 7 No.3, June 2007: 212- 223
Raharjo, 2017 Implementation of LCC for a university building, IJLCA, 1 (1), 29-38 [22] F M.Yudha, 2017 Analysis of Service Life Time for Building for Classroom of Universitas Gadjah Mada Yogyakarta, (in Bahasa) Master Thesis, Master of Civil Engineering [23] P.F.Kaming. and O.Yahya, 2019 Study on life cycle costing: a case of building for private high school in Jakarta, SCESCM.

Silva1,d and Els Verstrynge2,e 1ISISE, Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Department of Civil Engineering, Guimarães, Portugal 2KU Leuven, Department of Civil Engineering, Leuven, Belgium aaromanazzi89@gmail.com, bmichiel.vangorp@outlook.com, cdanvco@civil.uminho.pt, druisilva@civil.uminho.pt, eels.verstrynge@kuleuven.be Keywords: Diagonal compression test, shear strength, textile reinforced mortar, digital image correlation.
Engineering Structures, 157 (2018) 144-156
Engineering Structures, 43 (2012) 210- 220
Composites Part B: Engineering, 133 (2017) 1-13
Key Engineering Materials, 747 (2018) 150-157