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Introduction Titanium technology development for aero-engines has been driven by the design engineers' constant desire to gain increasing performance at reduced weight.
The philosophy behind IMI834 was to have a highly alpha strengthened near alpha alloy but to engineer the alloy composition to give a sufficiently wide heat treatment window to reproducibly produce ~5% of retained alpha phase in a transformed beta structure.
The first civil engine applications are likely to be static parts such an engine thrust strut or the supporting struts that form part of the engine mounting structure.
Within the next 10 years introduction of high temperature intermetallic composites should be possible and the emergence of nano-engineered titanium materials and composites could be seen.
[2] Voice, W. (1997) 'The future use of gamma titanium aluminides', Aircraft Engineering and Aerospace Technology, 1997, Vol. 71, Issue 4, 337-340

Case Study of Light Pollution in Urbanized Area of Slovakia Peter Fulop1, a, Peter Hanuliak 2, b, Lucia Maňková 3, c 1,2,3 Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Radlinského 11, 813 68 Bratislava a pfulop2@gmail.com, b peter.hanuliak@gmail.com, c lmankova@gmail.com Keywords: light pollution, circadian system, illuminance Abstract.
There are the same values, which were proposed by ILU (The Institution of Lighting Engineers) [10] in the USA.
[10] Institution of Lighting Engineers (ILE). 2000.
Warwickshire, UK: the Institution of Lighting Engineers

Influence of casting direction on the mechanical properties of cementitious fiber reinforced composites Michal Tvarog1,a * and Jindřich Fornůsek1, b 1Experimental Centre, Faculty of Civil Engineering, CTU in Prague, Czech Republic amichal.tvarog@fsv.cvut.cz, bjindrich.fornusek@fsv.cvut.cz Keywords: Concrete, Fibers, Fracture Energy, FRC, UHPFRC, Fiber orientation Abstract.
Experimental Investigation of Mechanical Properities of UHPFRC, Procedia Engineering Elsevier,2013,65 14-19 [3] Máca P., Sovják R., Konvalinka P.
In: International Journal of Impact Engineering. 2014, vol. 63, no. 63
Source: ISBELA 2012 - IEEE Symposium on Business, Engineering and Industrial Applications , art. no. 6423015 , pp. 861-866 [5] Deeb R., Karihaloo B.L., Kulasegaram S.

Shear[kN] The horizontal stiffness of the U [kN/m] Fig. 2 The base shear change with the horizontal stiffness of the U Fig. 3 The layout of the structure (U is the U shape steel plate) Instance Analysis of Sliding Base isolation Frame Structure Engineering Situation.
Displacement [m] Time [s] Displacement [m] Floor Fig. 4 The comparison of the maximum displacement before and after collision Fig. 5 The base displacement response curve of engineering under the bi-directional Elcentro waves The Displacement Response before and after the Collision under Unidirectional Earthquake Responses.
Fig. 5 is the base displacement response curve of engineering structures under the bi-directional Elcentro waves, Figure 5 shows that under different conditions of the bi-directional horizontal seismic waves, the maximum base displacement were 0.212m, 0.215m, 0.212m and 0.204m.
Yao: China Civil Engineering Journal,Vol. 28 (1995), P.21 [4] Z.M.

Ali2,b* and İsmail Hakkı Kara3,c 1Middle Technical University, Iraq 2Materials Engineering Department / University of Technology, Iraq 3Karabük University, Karabük, Turkey aJamal.alqise77@gmail.com, b130026@uotechnology.edu.iq, cihakkikara@karabuk.edu.tr Keywords: crumbed rubber tires, silane coupling agent, composite materials, mechanical properties, friendly environmental materials.
[3] Mohammed, Bashar S., Musa Adamu, and Nasir Shafiq., A review on the effect of crumb rubber on the properties of rubbercrete, International Journal of Civil Engineering and Technology 8, no. 9 (2017) 599-615 [4] Thomas, Blessen Skariah, Sanjeev Kumar, Priyansha Mehra, Ramesh Chandra Gupta, Miquel Joseph, and Laszlo J.
Shen., Effectiveness of functionalized polyolefins as compatibilizers for polyethylene/wood flour composites, Polymer Engineering & Science 43, no. 4 (2003) 933-945
[15] Karabork, Fazliye, Erol Pehlivan, and Ahmet Akdemir., Characterization of styrene butadiene rubber and microwave devulcanized ground tire rubber composites, Journal of Polymer Engineering 34, no. 6 (2014): 543-554

Experimental Study on Mechanical Properties of RAP Fiber Cement Stabilized Macadam Xiaotian ZHANG 1,a, Zhanjiang LIU 2,b, Mingcheng YANG 2, c 1 Construction Department, Ningxia University , Yinchuan, Ningxia 750021, China , 2 College of Civil and Hydraulic Engineering , Ningxia University , Yinchuan, Ningxia 750021, China a zhxtangxiaoian@126.com, blzhj917868@163.com, cnxuymc@126.com Keywords: RAP; fiber; parameters sensitivity; unconfined compression strength; dry shrinkage Abstract: The basic mechanical properties of RAP used as semi-rigid cement stabilized macadam base were researched.
Table 3 Factors and Level Value A cement (％) B waste asphalt concrete (％) C fiber (‰) D flyash (％) 1 1 0 1 8 2 3 40 2.5 11 3 5 55 4 14 4 7 70 5.5 17 Production and Maintenance of Specimen According to the highway engineering stable inorganic binder material test procedures, static compaction method was used to prepare the test specimens.
Journal of railway engineering, vol. 1(2006): 87-89 [9] X Z Wang.
Journal of railway engineering, vol. 7(2008): 117-120 [10] Y Y Liu J Chen, Z W Huang..

Moisture Monitoring of Built-In Wooden Elements Pavel Soudek1, a * 1Brno University of Technology, Faculty of Civil Engineering, Veveří 331/95, 602 00 Brno, Czech Republic asoudek.p@fce.vutbr.cz Keywords: Build-in Wooden Elements, Wood Moisture Measurement, Resistance Method.
Control measurements of the loop (consisting of 2 m cable SIF 0.5 and 10 meters SYKFY 1x2x0.5) were performed in cooperation with the faculty of Electrical Engineering in Brno University of Technology.
Zelinka, Moisture Relations and Physical Properties of Wood, Forest Products Laboratory, in: Wood handbook—Wood as an engineering material, Madison, WI: U.S.
TenWolde, Physical Properties and Moisture Relations of Wood, Forest Products Laboratory, in: Wood handbook—Wood as an engineering material, Madison, WI: U.S.

Siradj1 1Metallurgy and Materials Engineering Dept, Faculty of Engineering, Universitas Indonesia, Depok, 16424, Indonesia aherry.oktadinata@yahoo.com, b*winarto@metal.ui.ac.id Keywords: Flux Cored Arc Welding, SM570-TMC, Microstructure, Impact toughness, Heat input Abstract.
Do, Low-temperature impact toughness of structural steel welds with different welding processes, KSCE Journal of Civil Engineering 19 (5): 1431-1437, 2015
Zhao, Effect of heat input on the mechanical properties of butt-welded high and ultra-high-strength steels, Engineering Structures 198: 109460, 2019

School of Civil Engineering, Chongqing University, Chongqing 400045, China 2.
An UAV remote sensing system, which can take low altitude aerial photos and transfer real-time images, has been developed by the cooperation of Nano photonics integration and advanced equipment engineering research center of ministry of education of East China Normal University and the Dragon Aviation Technology Co.
Engineering of Surveying and Mapping, 2011, 20(1): 51-54.
Value Engineering , 2013, 20: 230-231.

Experimental Study on Improving Frost Resistance of CA Mortar Likun Wang1,a*, Lihua Zhao2,b, Jisong Zhang3,c 1,2,3School of Civil Engineering, Dalian Jiaotong University, Dalian, 116028,China al1996k10@163.com, bZhaolihua1015@126.com, c13516000013@163.com Keywords: Cement asphalt mortar; Orthogonal experimental design; Air-entraining agent; Mechanical properties; Frost resistance.
For CA mortar serving in severe cold areas, good frost resistance is one of the key engineering problems that need to be solved urgently.
Therefore, in practical engineering, the dosage of cement, emulsified asphalt and sand can be adjusted according to the above dosage range, and the CA mortar meeting the requirements can be obtained.
In practical engineering, mixing speed and mixing time have different degrees of influence on the working and mechanical properties of CA mortar.