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The findings suggest that HRC has significant potential as a substitute for traditional concrete in various civil engineering applications.
Introduction The integration of waste tires or their components into civil engineering materials is essential for fostering sustainable development.
Shulman, “Civil engineering applications of tyres,” 2003.
Ibrahim, “Mechanical Properties of Recycled Steel Tire Fibres in Concrete,” Technical Report, Faculty of Civil Engineering, University Technology Malaysia, 2012.
Ogbeifun Cephas, “Splitting tensile strength assessment of lightweight foamed concrete reinforced with waste tyre steel fibres,” International Journal of Civil Engineering and Technology, vol. 9, no. 9, 2018

Settlement research and prediction on soft clay foundation Xuchao Shi1, a,Yifeng Dong1, b and Yun Liu2, c 1 School of Civil Engineering, Henan University of Technology, Zhengzhou 450001, China 2 Henan Engineering consulting company, ZhengZhou 450002，China a haut2007@163.com, bzzzwhhd@163.com, cshixuchao@sohu.com Key word: Soft clay; model; settlement; support vector machine; prediction Abstract.
Along with the rapid economic development in coastal areas, civil engineers could meet many soft soils.
Along with the rapid economic development in coastal areas, civil engineers meet a lot of soft soil.
Embankments for roads and highways construction over soft deposits always create special problems due to the poor engineering properties of soft clay.
It is difficult to handle use the traditional modeling methods. 2) Using support vector machine (SVM) model is simple, do not need too much on data pretreatment, and because the algorithm of support vector machine corresponding to second programming, and find solutions for the global optimal solution. 3) Geotechnical engineering problems with many of the traditional mathematical and mechanical method is difficult to give a certain model; therefore support vector machine in geotechnical engineering has a broad prospect of application.

The research shows that XPS (Extruded Polystyrene) boards are of high bearing capacity, large strain property and long-term property stability, and are well suited to be used in civil engineering by controlling the differential settlement of the structure foundation.
China Civil Engineering Journal, 2012, 45: 127-146.
Chinese Journal of Geotechnical Engineering, 2000, 22: 151-157.
China Civil Engineering Journal, 2001, 34: 107-110.
Chinese Journal of Geotechnical Engineering, 2007, 29: 517-523.

The Site Effect Analysis of Semi-Cylindrical Canyons and Soft Alluvial Basins by H/V Spectral Ratio Cheng-Chih Chen1, a, Wen-Shinn Shyu1,b , Chau-Shioung Yeh2,c and Cheh-Shyh Ting1,d 1Department of Civil Engineering, Nation Pingtung University of Science and Technology, Taiwan 2 Department of Civil Engineering, Nation Taiwan University, Taiwan achencc@mail.npust.edu.tw, bwsshyu@mail.npust.edu.tw (corresponding author), ccsyeh@iam.ntu.edu.tw, dcsting@mail.npust.edu.tw Keywords: H/V ratio, hybrid method, Canyon, Alluvial Basin, P wave Abstract.
As the site effect is crucial in earthquake engineering, this study may serve as a quantitative contribution towards the amplified effect in alluvial basins and canyons.
D.(1973), “Scattering of Plane SH Waves by a Semi-Cylindrical Canyon,” Earthquake Engineering and Structure Dynamics, Vol. 1, 267-281
I., (2007), “SH Wave Scattering at a Semi-Elliptical Canyon by Hybrid Method,” The 20th KKCNN Symposium on Civil Engineering, Oct. 4-5, Jeju, Korea, pp. 25-30
S.(2002), The Scattering Phenomena Caused by the Irregular Objects Buried in an Elastic Half-Plane Subjected to the Incident Waves, Dissertation, Department of Civil Engineering, National Taiwan University [7] Chen, C.

Introduction As a kind of excellent combination structure, concrete filled steel tube (CFT) structures have been used widely in civil engineering.
Besides, most of the formulas are deduced from the test results of small size specimens rather than large size specimens which are practically used in civil engineering.
Furthermore, some reasonable suggestions are benefit on choosing the suitable formula for engineering design.
Some suggestions are made to choose the suitable formula, which give a reference for civil engineer
Vol.36 (2004), p.1678 (in Chinese) [11]Jinsheng Han,Yuli Dong, Zhaodong Xu , Shuping Cong and Wenrang Cheng: Civil architectural and environmental engineering, Iss.3 (2009), p.11 (in Chinese)

Dynamic Simulation of the Energy Performance of the Timber-frame Passive House Iveta Skotnicova1,a *, Zdenek Galda1,b, Petra Tymova1,c, Lenka Lausova1,d 1 Faculty of Civil Engineering, VŠB-Technical University of Ostrava, Ludvika Podeste 1875/17, Ostrava-Poruba, 708 33, Czech Republic aiveta.skotnicova@vsb.cz, bzdenek.galda@vsb.cz, cpetra.tymova@vsb.cz, dlenka.lausova@vsb.cz Keywords: Timber-frame passive House, Energy performance, Indoor environment, Dynamic simulation, Experimental measurement.
Experimental measurements of the indoor and exterior parameters (external and indoor air temperature) are realized at the passive timber-frame house of the Research and Innovation Centre of the Moravian-Silesian Wood Cluster in the area of the Faculty of Civil Engineering, VŠB – Technical University of Ostrava.
Experimental measurements Experimental measurements of the indoor and exterior parameters (external and internal air temperature) were realized at the passive timber-frame house in the area of the Faculty of Civil Engineering, VŠB – Technical University of Ostrava (Fig. 1).

Main Crack Propagation Behaviour of RC Beams Strengthened with CFRP under Fatigue Load Jun Deng1, a, Peiyan Huang2,b 1Faculty of Civil & Transportation Engineering, Guangdong University of Technology, Guangzhou, 510006, China 22School of Civil Engineering & Transportation, South China University of Technology, Guangzhou, 510640, China ajdeng@gdut.edu.cn, bpyhuang@scut.edu.cn Keywords: Carbon fibre reinforced polymer, Reinforced concrete beam, Strengthening, Fracture mechanics, Fatigue crack propagation rate, Bending load Abstract.
The fatigue performance and durability of the reinforced concrete (RC) beams strengthened with fibre reinforced polymer (FRP) laminates is an advanced research topic in civil engineering.
Beitelman: Journal of Structural Engineering Vol. 125 (1999), p. 613 [7] R.A.
Zhao: Key Engineering Materials Vol. 306 (2006), p. 1343 [9] X.

Experimental Measurements of Effects of Occupancy Class on Reverberation Time Dušan Dlhý1,a * and Julia Zrneková2,b 1,2 Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Radlinského 11, 813 68 Bratislava, Slovak Republic adusan.dlhy@stuba.sk, bjulia.zrneková@stuba.sk Keywords: reverberation time, room acoustics, occupation.
Reverberation time was measured in a standard room at the Faculty of Civil Engineering of the Slovak Technical University in Bratislava (classroom B318) by the use of NORSONIC (NORSONIC NOR 280 amplifier, an omnidirectional sound source - NORSONIC NOR 270, NORSONIC TYPE 118, and microphone and preamplifier).
B318 (classroom) of Faculty of Civil Engineering in Bratislava.

School of Civil Engineering & Mechanics, Huazhong University of Science and Technology, Wuhan ,Hubei , 430072, P.
On one hand, the structural coefficient is determined by the engineering experience calibration method, which is calculated by decomposition of the safety coefficient in the former specifications SD144-85.
Table 1 Structural coefficients determined by the engineering experience calibration method Tube Type Inner Force Type Tube Type Coefficient Tube Segment Coefficient Structural coefficient gR1 gR2 j=1.0 j=0.95 Penstocks Axial Force 0.55 1.0 1.4863 1.5645 Reliability Analysis Method The structural coefficient in design formulas can be obtained by the JC method [2] recommended by the Hydroelectric Engineering Unification Standard.
Tab.5 The suggestion of structural coefficient value Tube Type Stressed area Inner Force Type Tube Segment Value of Proposal Values of =1.0 =0.95 Engineering Experience Calibration Method Reliability Analysis Method Engineering Experience Calibration Method Reliability Analysis Method = 1.0 = 0.95 Penstocks Whole Membrane Stressed Axial Force Straight Tube 1.4863 1.5786 1.5645 1.6617 1.6 1.7 ACKNOWLEDGEMENTS This investigation is funded by the Emphases Project of Hubei Education Dept(Grant no.
*Corresponding author: School of Civil Engineering & Mechanics, Huazhong University of Science and Technology, E-Mail:whuyzh@163.com REFRENCES: [1] Zhao Guo-fan, Jin Wei-liang, Gong Jin-xin.

Gradual requirements of architects and designers are challenging for further development and research in the field of materials engineering.
Robert Černý - Faculty of Civil Engineering Prof.
Zbyšek Pavlík - Faculty of Civil Engineering Prof.
Jan Toman - Faculty of Civil Engineering Assoc.
Karel Kolář - Klokner Institute Martin Keppert, Ph.D. - University Centre for Energy Efficient Buildings Eva Vejmelková, Ph.D. - University Centre for Energy Efficient Buildings Alena Vimmrová, Ph.D. - Faculty of Civil Engineering Petr Bezdička, Ph.D. - The Czech Academy of Sciences Silvie Švarcová, Ph.D. - The Czech Academy of Sciences Pavel Reiterman, Ph.D. - University Centre for Energy Efficient Buildings