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Investigating the Behavior of a Four-Storey Steel Frame Using Viscous Damper Meisam Gordan1, a, Ahmad Haddadiasl2,b, Abdul Kadir Marsono3,c and Masine Md Tap4,d 1Department of Civil Engineering, Faculty of Engineering, University Malaya, Kuala Lumpur, Malaysia 2, 3Department of Structure and Material, Faculty of Civil Engineering, University Technology Malaysia, Skudai, Johor, Malaysia 4Faculty of Mechanical Engineering, University Technology Malaysia, Skudai, Johor, Malaysia a(Meisam.gordan@gmail.com) , b(ahaddadi2050@aim.com), c(akadir@utm.my), d(masine@fkm.utm.my) Keywords: Slender structure; Vibration; Viscous damper; Dynamic displacement.
Generally, these structures are designed to resist static loads according to various engineering codes of practices.
The vibrations of the tall buildings are serious concerns to both engineers and architects for the protection of the structure safety and occupant comfort.
[4] Sarkar, A., & Gudmestad, O., Pendulum type liquid column damper (PLCD) for controlling vibrations of a structure – Theoretical and experimental study, Engineering Structures, (2013), 221- 232
Earthquake Engineering and Structural Dnamics, (1997)

Nowadays, engineering practice shows that cracking of concrete is almost inevitable and according to current economy and technique level it is reasonable that it should be controlled in harm-allowable range.
Kadela, Experimental and Numerical Investigation of Fracture Behavior of Foamed Concrete Based on Three-Point Bending Test of Beams with Initial Notch, in: Proceedings of the ICMCME 2015: International Conference on Mechanical, Civil and Material Engineering, August 17-18, 2015, Barcelona, Spain, pp. 943
Kukielka, Fracture Energy of Foamed Concrete Based on ThreePoint Bending Test on Notched Beams, Procedia Engineering 108 (2015) 349-354
Proceedings of the International Civil and Infrastructure Engineering Conference, September 28 – October 1, 2014, Kota Kinabalu, Malaysia
International Journal for Numerical Methods in Engineering 45 (1999) 601–620

., Ltdy, Guangzhou, Guangdong, China alicao@gdjky.com, bwenshuai@gdjky.co Keyword: concrete; rebound value; strength Abstract: As the application of high-strength concrete in civil engineering becomes more and more extensive in our country, it needs to cooperate with the popularization and application of new high-strength concrete technology so as to solve the practical problems of high-strength concrete in the engineering application of the strength detection and master the national strength measurement curve of high-strength concrete.

Inversion of Initial In-situ Stress Field by the Method of Multivariate Analysis and Engineering Application Xiaolei Yue1, a, Yong Li2,b and Hanpeng Wang2,c 1School of Civil Engineering, Shandong Jianzhu University, Ji’nan, 250101, China 2Geotechnical & Structural Engineering Research Center, Shandong University, Ji’nan, 250061, China ayuexiaolei@sina.com, byongli@sdu.edu.cn, cpcwli@163.com Keywords: In-situ stress survey; Initial in-situ stress field; Inverse analysis; Multivariate regression analysis; Finite element method Abstract.
An Engineering Case Study Project Descriptions.
Back analysis theory and engineering of geotechnical problems.
Chinese Journal of Rock Mechanics and Engineering, 1989, 8(4): 337-345
Chinese Journal of Rock Mechanics and Engineering, 2003, 22(10): 1613-1617.

Rammed Earth Construction:A Sustainable Architecture Xiangting Lu1,a, Yuanping Liu2,b 1College Of Architecture And Civil Engineering, TYUT, Shanxi Taiyuan,China 2College Of Architecture And Civil Engineering, TYUT, Shanxi Taiyuan,China a84107726@qq.com, b2399366034@qq.com Keyword: Rammed earth building Sustainable development Energy conservation Ecological environment Abstract.
Since the sustainable development has been a theme of contemporary society, architect and engineer should pain more attention to the rammed earth construction.
The factors contributing to raw soil constructions’bleak prospect are that architect rarely focus on the rammed earth buildings and lack of people to participate in construction system.Architect and engineer should pain more attention to raw soil buildings.

Preface This book presents the selected peer-reviewed full-text papers from the 13th International UNIMAS Engineering Conference 2020 (EnCon 2020), which was successfully organized through an online platform on October 27-28, 2020 by the Faculty of Engineering of Universiti Malaysia Sarawak (UNIMAS), Malaysia, along with various prominent co-organizers; The Institution of Engineers (IEM), Malaysia, Swinburne University of Technology, Malaysia, SRM Institute of Science & Technology, India, The Institute of Electrical and Electronics Engineers (IEEE), Malaysia, and Universiti Teknologi PETRONAS (UTP), Malaysia.
The conference was aimed at providing a platform for researchers, academics, and postgraduate students to present their latest research findings primarily related to problem-solving in technology and management matters in various aspects of civil, mechanical, electrical and electronics, as well as chemical engineering disciplines.
Also, it offered a platform for engineers and professionals from the construction industries to share their experience, and thereby developing and empowering the engineering industry and society through knowledge in engineering, technology, and management.
Chapter 4: Technologies of Environmental Engineering and Bio-Waste Processing contains 3 papers focusing on industrial waste detection and repurposing for further applications.
Last but not least, Chapter 5: Functional Materials includes 2 works devoted to advanced materials in potential engineering development.

Numerical Simulation on the Stress and Strain of Lining Structure in Double Shield Tunneling Construction Feng Wang1,a, Tiejun Cui2,3,b 1School of Civil & safety Engineering, Dalian Jiaotong University, Dalian Liaoning 116028 China 2Tunnel & Underground Structure Engineering Center, Dalian Jiaotong University, Dalian Liaoning 116028 China 3School of safety Engineering, Liaoning Technical university, Fuxin Liaoning 123000 China adlfree@163.com,bctj.159@163.com Keywords: Double-tube parallel tunnels, Segment lining, stress and deformation, Numerical simulation Abstract.
Introduction At present, dozens of cities in China are undertaking the subway engineering construction.
(In Chinese) [3] Ma X F, Wang J S, Li X Y and Yu Long: Chinese Journal of Geotechnical Engineering Vol. 34(5) (2012), p. 942-947.
(In Chinese) [5] Huang H W, Huang X, and F.Helmut: China Civil Engineering Journal Vol. 45(3) (2012), p. 182-189.
(In Chinese) [7] Wang C H and Liu W: Chinese Journal of Underground Space and Engineering Vol. 7(2) (2011), p. 354-360.

Thermal Insulation Test of RCCW with Inner Insulating Layer Shunbo ZHAO 1, a, Shan ZHAO 1,b, Su YANG1,c, and Xiaolu MA 1,d 1 School of Civil Engineering & Communication, North China Institute of Water Conservancy and Hydroelectric Power, 36 Beihuan road, Zhengzhou, China a sbzhao@ncwu.edu.cn, bzshan@ncwu.edu.cn, cyangsu6210@163.com, d maxiaolu0603104@126.com Keywords: reinforced composite concrete wall(RCCW), thermal insulation, inner insulating layer, conduct heat coefficient, protection chest method, heat-bridge.
Introduction The external thermal insulation plate on walls has been widely applied in civil buildings to increase the thermal insulation ability of building envelop[1, 2, 3].
[5] Design Code for Thermal Engineering of Civil Buildings (GB50176-1993).

Torcato Church RAMOS Luís F 1,a , ALABOZ Murat2,b and AGUILAR Rafael3,c 1,2,3 Civil Engineering Department, University of Minho, Guimarães, Portugal a lramos@civil.uminho.pt, balaboz.murat@gmail.com, craguilar@civil.uminho.pt Abstract The paper is related to the San Torcato Church, in Guimarães, Portugal.
Lower and upper boundaries for the updating variables were defined according to engineering judgment.

Properties of Concrete Containing Unground Palm Oil Fuel Ash as Partial Sand Replacement SAFFUAN Wan Ahmad1, 2, a, KHAIRUNISA Muthusamy1, 2, b*, HANAFI Hashim3, c, MAIZATIL AKMA Yaacob2, d 1Centre of Earth Resources and Research Management, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Pahang 2Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Pahang 3Department of Civil Engineering, Politeknik Kota Kinabalu, Sepanggar, 88450, Kota Kinabalu, Sabah asaffuan@ump.edu.my, b*khairunisa@ump.edu.my, chanafi@polikk.edu.my Keywords: Unground palm oil fuel ash, partial sand replacement, concrete, workability, compressive strength.
Civil Eng.