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WU3, e 1Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai 201804, China 2Key Laboratory of Coastal Disaster and Defence, Ministry of Education, Hohai University, Nanjing 210098 China 3China railway 18th bureau group Co., Ltd, Tianjin 300222, China.
Control sample No. 1 uses the mixture which applied in actual engineering.
All the strength of 15 cm × 15 cm × 15 cm cube samples, which sampling from locale of engineering, is more than 45 MPa.
Acknowledgements This project was supported by Exoteric Science Foundation of Key Laboratory of Coastal Disaster and Defence, Ministry of Education, Hohai University and Exoteric Science Foundation of Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University.
Engineering Structures, vol. 30, 2008, pp. 2392-2400 [4] KANG Ming, ZHU Hong-bo, WANG Pei-ming.

In order to analyze the reliability and failure probability of the repaired shaft engineering, this article makes fail-safe analysis and instability risk prediction of the shaft engineering.
The limit state whose failure criteria was safe factor was constructed to analyze the reliability of the repaired shaft engineering, the reliability index of the repaired shaft engineering was computed by JC method.
How good is the stability of the main shaft engineering?
The research and progresses of engineering reliability Reliability analysis method aims at the instabilities which influence the uncertainty of engineering; it is regarded as a subject to a probability analysis of random variables to evaluate the stability of the engineering.
Vol. 32(6) (2009), p. 885(in chinese) [11] Qian Gao, Shunchuan Wu and Linhai Wan: Civil engineering reliability theory and its application (china Building Material Industry Publishing House, Beijing 2007) (in chinese)

Tech scholar, Department of Civil Engineering, Govt.
College of Engineering Kannur, Kerala, India 2Department of Civil Engineering, Government College of Engineering Kannur, Kerala, India asamihabbas101@gmail.com, bkpsaji@gmail.com Keywords: Post-Tensioned, Reinforced masonry, In-Plane loading, Numerical study.
Madurapperuma,(2014) Effects of Tendon Spacing on In-Plane Behavior ofPost tensioned Masonry Walls,Journal of Structural Engineering,81,362-376
[4] Owen A. and J Mervyn (2004) Reversed In-Plane cyclic behavior of Post Tensioned Clay Brick Masonry,Journal of Structural Engineering,130, 1233-1242
National conference for Earthquake Engineering,130,1-11

Shamsul2, c 1Civil Engineering Department, Politeknik Sultan Abdul Halim Mu’adzam Shah, 06000 Jitra, Kedah, Malaysia 2Sustainable Engineering Cluster, School of Materials Engineering, Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia aorkidjingga79@yahoo.com.my, bmazlee@unimap.edu.my, csbaharin@unimap.edu.my Keywords: Quarry dust; partial sand replacement; cement composites; compressive strength; crack profile.
Prakash , Characteristic Studies on the Mechanical Properties of Quarry Dust Addition in Conventional Concrete, Journal of Civil Engineering and Construction Technology. 2 (2011), pp. 218-235
Godwin, Compressive strength of concrete using lateritic sand and quarry dust as fine aggregate, Journal of Engineering and Applied Sciences. 7 (2012) 81-91
Suresh, Strength Studies on Metakaolin Modified Cement Mortar with Quarry Dust as Fine Aggregate, International Journal on Civil and Environmental Engineering. 1 (2011), pp. 1-5
Kala, Effect of Granite Powder on Strength Properties of Concrete, International Journal of Engineering and Science. 2 (2013), pp. 36-50.

Priyosulistyo3,c and Muslikh4,d 1,2,3,4Department of Civil and Environmental Engineering, Universitas Gadjah Mada, Indonesia.
Introduction Slender tubular members are used widely in civil engineering structures, and the offshore platform is one of the most popular applications.
Acknowledgement The authors would like to thank the Structural Engineering Laboratory, Department of Civil and Environment Engineering, Faculty of Engineering, Gadjah Mada University, for providing continuous and inspirative support in conducting this numerical investigation.
Priyosulistyo, Muslikh, Buckling failure of a slender tubular member of an offshore structure with cutout presence, International Journal of Civil & Environmental Engineering IJCEE-IJENS. 17(2) (2017) 11-18
Rahimzadeh, Nonlinear elastic frame analysis by finite element, Journal of Structural Engineering, ASCE. 109(8) (1983) 1952-1971

The population growth and the industry expansion demand the corresponding infrastructure, civil, industrial, agro-zootechnical, road and energetic, etc., leading to related request for building materials, concrete and natural resource consumption, like aggregates.
Birkved, Potential of circular economy in sustainable buildings, IOP Conference Series: Materials Science and Engineering, 471(9) (2019) 092051 [5] H.
B Ishaq, Self-compacting geopolymer concrete with spend garnet as sand replacement, Journal of Building Engineering 15 (2018) 85-94 [6] H.
Ponnada, Performance of spent garnet sand and used foundry sand as fine aggregate in concrete, World Journal of Engineering (2021) [12] N.
Mazlan, Properties of Mortar Incorporating Spent Garnet as Fine Aggregates Replacement, International Journal of Integrated Engineering 12(9) (2020) 96-102 [13] K.

Study on Strain Character of Malan Loess with Damage Bin Lin1,a Zhibo Chen1,b Tao Ma1,c 1The School of Civil Engineering and Architecture, AnHui University of Science and Technology, HuaiNan, AnHui,232001,China a linbin8910@163.com, b 370763458@qq.com, c 549378783@qq.com Keywords: Loess, Soften type stress-strain relationship, Damage, Constitutive formula.
The peak strength normally be regarded as the soil strength in engineering practice, so the stress value corresponding to the axial strain of 15% generally be regarded as the soil strength if there is no clear peak in the strength curve, therefore, from the point of engineering application, Eq.1 can describe the stress strain relation of loess rightly, but it is hard to determine the residual strength qr, this obstruct to apply and promote Eq.1.
[3] Dingyi Xie, Jiling Qi, Soil structure characteristics and new approach in research on its quantitative parameter[J], Chinese Journal of Geotechnical Engineering,1996,12(6)
[5] Zudian Liu, The Loess Mechanics and Engineering, xi’an：Shanxi Science and Technology Publish House , 1996.8
The ninth soil mechanics and geotechnical engineering academic conference proceedings of China Civil Engineering Society [C], BeJing:2003.

Computation of Wave Propagation in Damped Specimen for Damage Detection Veena Jawali1, a*, Prakash Parasivamurthy2, b, Ashwini Nagesh3, c, 1 Department of Mathematics, B.M.S.College of engineering, Basavanagudi, Bangalore 560004.India. 2,3 Department of Construction Technology Management, Dayananda Sagar College of Engineering, K.S.
Hence, the process of implementing a damage identification strategy for civil, mechanical and aerospace structures is referred to as structural health monitoring (SHM) [2,3].
The civil engineering community has studied vibration-based damage assessment of bridge structures and buildings since the early 1980s.
In the last ten to fifteen years, SHM technologies have emerged creating an exciting new field within various branches of engineering.
Todd, Engineering Sciences and Applications, The Engineering Institute, Los Alamos National Laboratory, USA, Sensor network paradigms for structural health monitoring Structure.

Deformation Prediction and Inversion of Shuibuya Project Based on Artificial Neural Network and Genetic Algorithm Cao Ling1, 2, a, Zhan Zhenbiao3, b and Han Yong1,c 1 College of Civil Engineering & Architecture, Three Gorges University, YiChang 443002, China 2Department of Civil Engineering, Shanghai Jiaotong University, Shanghai 200220, China 3Hydro China Xibei Engineering Corporation, Xian 710000, China acaoling1999@163.com, b33956272@qq.com, c627851383@qq.com Keywords: Shuibuya CFRD; artificial neural network; genetic algorithm; deformation; prediction; inversion Abstract.
Introduction The design and construction of CFRD relies heavily on engineering experiences.
With the development of the in-depth research on the dam material engineering property and the stress-strain numerical simulation, the theories result has an important direction in the project design and management phase.
References [1] Deng Jianhui, Lee C F, Ge Xiurun, Application of BP Network and Genetic Algorithm to Displacement Back Analysis of Rock Slops, Chinese Journal of Rock Mechanics and Engineering, Jan, 2001, 20(1): 1～5 [2] Zhou Baosheng, Zhu Weishen, Li Shucai, Using Neural Network on Bolting Support Design of Mining Roadway for Fully Mechanized Working Face with Top-Coal Caving, Chinese Journal of Rock Mechanics and Engineering, July, 2001, 20(4): 497～501 [3] Feng Xiating, Zhang Zhiqiang, Sheng Qian, Intelligent Analysis of Deformation Behaviors of Permanent Shiplock of the Three Gorges Project, Chinese Journal of Rock Mechanics and Engineering, Sept, 2001, 20(5): 633～637 [4] Luo Xianqi, Zhan Zhenbiao, Ge Xiurun, Cao Ling, APPLICATION OF ARTIFICIAL NEURAL NETWORK AND GENETIC ALGORITHM INTO SHUIBUYA PROJECT.
Chinese Journal of Rock Mechanics and Engineering, July, 2002. 21(7)：963～967 [5] Jiang Chengguo, Fu Zhian, Feng Jiayi, Concrete Face Rock-Fill Dam Project.

Integrated CAD/CAM Software for Steel Tubular Truss Structures Zhongquan WANG 1, a, Xiaoqun LUO1,b , Jiangmin HU 2,c , Zonglin YANG3,d 1 College of Civil Engineering,Tongji University, Shanghai, 200092, P.R.China 2 Shanghai Tonglei Civil Engineering Technology Co., Ltd., Shanghai, 200433, P.R.China 3 Architectural Design & Research Institute of Tongji University, Shanghai, 200092, P.R.
Traditional structural engineering software is generally suitable for mechanical analysis.
If all engineering data were stored in the database of AutoCAD, the DWG file of the model would be too big to read and write efficiently.
Therefore the database of AutoCAD and outer file system are utilized together to store the engineering model data.
GONG.: The Application of CAD/CAM Technology in Steel Tubular Truss Structures. 2007 National Conference on Modern Structure Engineering Technology (2007). pp. 343-348 (in Chinese) [2] Shad Dowlatshahi: A Comparison of Approaches to Concurrent Engineering.