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Precast Concrete Closed Spandrel Arch Bridge System As Viable Alternative to Conventional Beam Bridge System Chong Yong Ong1, a, Kok Keong Choong1,a, Geem Eng Tan2, b, Tai Boon Ong2,b 1School of Civil Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Seberang Perai Selatan, Pulau Pinang, MALAYSIA 2Rivo Precast Sdn Bhd, Lot 5127, Batu 6, Jalan Kenangan Off Jalan Meru, 41050 Klang, Selangor Darul Ehsan, MALAYSIA acekkc@eng.usm.my, brivoprecast@gmail.com Keywords: precast closed spandrel arch bridge system, corrugated arch section, conventional beam bridge system, crown beam.
Mouchel, Francois Hennebique ( 1842-1921 ), Reinforced Concrete Pioneer, Proceeding of the ICE – Civil Engineering, Volume 126, Issue 2, 1998, pp. 86-95 [2] G.E.
Ong and K.K Choong, Development and Standardisation of New Precast Concrete Open Spandrel Arch Bridge System, 37th International Association for Bridge and Structural Engineering (IABSE) Symposium Madrid, 2014, Vol 102, pp. 799 - 806 [3] Product Brochure: Matiere Arch by ACPi Persys Engineering [4] Product Brochure: Hume Bebo Arch 2002 [5] Product Brochure: Techspan Precast Concrete Arch System, The Reinforced Earth Company [6] Malaysian Patent MY-142912-A. 2008.

Response Analysis on asymmetric twin tower building with large bases subjected to seismic action Qiongfen Wang 1,a, Ji Yao2b, Liang Cao 2, Jianbin Xie3,Chunli Guo1 1 Faculty of Civil Engineering, Southwest Forestry University, Kunming, 650224, China; 2Faculty of Civil Engineering and Architecture, Kunming University of Science and Technology, Kunming, 650024, China; 3 School of Urban Construction and Management, Yunnan University, Kunming, 650091,China Corresponding author: akmwqf@126.com, bsandongamos@163.com Key words: large bases; asymmetric; modal of vibration; time-domain analysis Abstract: In this paper, asymmetric twin tower high buildings with large bases were studied and the FEM model of asymmetric twin tower high building with large bases was established.
Acknowledgements The authors are grateful for the Projects Supported by the Research Foundation of Southwest Forestry University（110829）,by the Characteristic Speciality of Provincial Forest Engineering (501035), by Experimental Teaching Demonstration Centers of Provincial Structural Engineering (501042) and by Forest Engineering Key Disciplines of Southwest Forestry University (47002801).

Application of Generalized Stochastic Resonance to the Vibration Test Zhang Ying1, a, Li Shu-Ming1, b 1College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China awistaria_kuxia@163.com Keywords: Stochastic resonance; Bistable system; Generalized parameters; Signal processing; Vibration Abstract: Noise, bistable system and input signal are the three essential factors in stochastic resonance (SR).
Fig.1 Process of the united parameter-tuning SR method Vibration test of flow meter system Engineering background and testing system.
The engineering application was to solve the problem that the flow meter vibrated abnormally.
Acknowledgements The support of the Research Foundation of Civil Aviation University of China ( Project No. 2010QD07S ) is gratefully acknowledged.
Deng: Chinese Journal of Mechanical Engineering Vol.22 (2009), p.542-549

References [1] Chen Kaili, Wang Jiezao, An Qunhui: China Civil Engineering Journal.
Forum Vol. 39(2006), p.86-90 [2] Zhang Guoquan, Dai Shaoxiong: Structural Engineers.
[4] Fan Jiansheng, Nie Jianguo, Lu Jianfeng, Zhang Gejun and Yang Xiaobin: China Civil Engineering Journal.
[7] Liu Yun, Qian Zhen-dong: Journal of Transportation Engineering and Information.
Forum Vol. 5 (2005), p:52-57 [8] Qian Zhendong, Huang Wei, Du Xin and Liu Yun: Engineering Science, Forum Vol. 8 (2006), p:35-41 [9] Liu Zhenqing. (2004)“The Design Theory And Key Technoligies of Long-Span Steel Bridge Pavement System” Ph.D. thesis, Nanjing: Southeast University

Study of the Strength Development of the Cement Matrix for Textile Reinforced Concrete VOGEL Filip1,a *, HOLČAPEK Ondřej1,b and KONVALINKA Petr1,c 1Czech Technical University in Prague, Faculty of Civil Engineering, Thákurova 7, 166 29 Prague 6, Czech Republic afilip.vogel@fsv.cvut.cz, bondrej.holcapek@fsv.cvut.cz, cpetr.konvalinka@fsv.cvut.cz Keywords Textile reinforced concrete, cement matrix, compressive strength and tensile strength in bending development.
This combination of cement matrix and textile reinforcement is an innovative combination of materials for use in the civil engineering construction.
Huang, Strength Development of High Strength High-Performance Concrete at Early Ages, Structural Engineering, Mechanics and Computation, pp. 1349-1356, (2001), ISBN: 978-0-08-043948-8
In: International Journal of Impact Engineering. 2014, vol. 63, no.63
Horak (Eds.), Proceedings of the 50th Annual Conference on experimental stress analysis (EAN 2012), Czech Technical University in Prague Faculty of Mechanical Engineering, Prague, 2012, ISBN: 978-80-01-05060-6, pp. 549-554.

Numerical Studies of Reinforced Concrete Beam Damage Detection Based on the Piezoelectric Impedance and Neural Network Technology Zhang Jun 1,a, Huang Jie2,b ,Tang Hongmei2,c,Li Xianhua1,d ,Zhao Xianwen1,e 1Mechanical Engineering School, Anhui University of Science and Technology, Huainan 232001,China 2Foreign Languages School, Anhui University of Science and Technology, Huainan 232001,China azhj63@163.com，b352733870@qq.com, c465090463 @qq.com,d 4774896 @qq.com, e 496202532@qq.com Keywords: damage detection; piezoelectric impedance; finite element; neural network.
Introduction Reinforced concrete structure is one of the main composition of civil engineering structure, any damage will reduce the bearing capacity of the materials, will seriously affect the safety, applicability and durability of the building.
References [1] Li Hong-nan,Li Dong-sheng.Safety assessment, Health Monitoring and Damage Diagnosis for Structures in Civil Engineering[J].EARTHQUAKE ENGINEERING AND ENGINEERING . 2002,22(3): 82-90

Influence of Aggregate Stiffness on Fracture-Mechanical Properties of Lime-Based Mortars Pavel Tesárek1,a, Václav Nežerka1, Pavel Padevět1, Jakub Antoš1, and Tomáš Plachý1 1 Department of Mechanics, Faculty of Civil Engineering, CTU in Prague, Thákurova 7, 166 29, Praha 6, Czech Republic a tesarek@fsv.cvut.cz Keywords: aggregate stiffness, mechanical properties, mortar, crushed bricks, FEM.
Bittnar, Design of object oriented finite element code, Advances in Engineering Software 32 (2001) 759–767
Jirásek, Non-local damage mechanics with application to concrete, Revue Europeanne de Génie Civil 8 (2004) 683–707
Padevět, Experiment in real conditions: Mechanical properties of gypsum block determined using non-destructive and destructive methods International Conference on Engineering Mechanics, Structures, Engineering Geology, International Conference on Geography and Geology – Proceedings (2010) 418–423
Plachý, Non-destructive testing of stiffness development in lime-pozzolana mortars, Experimental Methods and Numerical Simulation in Engineering Sciences, Proceedings of XIIIth Bilateral Czech/German Symposium 2012 19–22

Chen5,6,f 1School of Civil Engineering, The University of Sydney, Sydney, NSW 2006, Australia 2Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, India 3Zernike Institute for Advanced Materials, University of Groningen, The Netherlands 4Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Hong Kong 5Department of Civil and Environmental Engineering, University of Missouri, USA 6Department of Engineering Mechanics, Dalian University of Technology, China aemmanuel.flores-johnson@sydney.edu.au, bluming.shen@sydney.edu.au, cratna@iitm.ac.in, dp.r.onck@rug.nl, emeshen@cityu.edu.hk, fchenzh@missouri.edu Keywords: Thin film, buckling, cracking, finite element modelling.

Comprehensive assessment on the life-cycle environment impact of railway construction projects Wu Wenjie, Wang Zhonghao School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, PR China E-mail: chacih@sina.com.
Weighting analysis The improved analytic hierarchy process (AHP) overcomes the uncertainty of the importance order, the complexity of consistency check and the complex calculation procedure in traditionalAHP, therefore, according to the characteristics of railway engineering, the improved AHP is chosen to determine the weight of damage index.
China Civil Engineering Journal, 2009, 42(1):55-59. ].
Case study A railway engineering project is selected as a case study.
According to the inventory listed above, the life cycle environmental impact of this railway engineering projectis calculated by comprehensive assessment.

Sadovnikova, Dry construction mixture for restoration and decoration of buildings, PhD thesis 05.23.05 - Building materials and products, Penza State University of Architecture and Civil Engineering, Penza, 2015. [5] A.P.
Muradyan, Conceptual Approaches to Solving the Issue of Reinforcing the Rock - Cut Structures of Geghard Monastery Complex, Journal of Architectural and Engineering Research (JAER). 2 (2021) 3-9. [7] Yu.S.
Shatalova,Chemistry of Cement and Binding Substances, Voronezh State University of Architecture and Civil Engineering, Voronezh, 2005. [11] H.H.
Qaramyan, Development of Dry Sand-Lime New Multicomponent Mortars into the Historical Cultural Monuments Applied on Local Raw Basis, Key Engineering Materials. 906 (2022) 53-58
Russian-English Reference Book, Infra-Engineering, Moscow, 2020