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This edition comprises papers that were presented at the 13th International Civil Engineering Conference (ICEC) held on 10-11 November 2023, in Karachi, Pakistan.
The International Civil Engineering Conference is a regular event jointly organized by the Institution of Engineers Pakistan and NED University of Engineering and Technology, Karachi.
Every year, the ICEC calls regular meetings dedicated to innovative themes and contemporary issues related to civil engineering and the socio-economic aspects of modern society.
The 13th International Civil Engineering Conference was organised under the theme of "Creating Global Partnerships for Sustainable Development through Civil Engineering", which is aligned with the 17 Sustainable Development Goals (SDGs) of the United Nations.

The Detection Research of Tension about Vertical Prestressed Fine Rolled Twisted Bar in Box-Girders Construction of Civil Engineering Xingyuan LIN 1,a Yanfeng Wu 2,b Weiwei WANG 3,c Feng ZHANG 2,d 1 Xitong High-speed Management Office,Shanxi,Tongchuan,727000 2 Shandong University,Geotechnical and structural Engineering Research Center,Shandong,Jinan,250061 3 Changsha University of Science and Technology,Hunan,Changsha,410000 awy9558@126.com b383811709@qq.com c21095529@qq.com dzhangfeng2008@sdu.edu.cn Key words: finishing rolling rebar; tensioning force; exsertion segment; box-girder; civil engineering Abstract : At present, vertical prestress detection is almost blank during box-girders construction of civil engineering .
In order to effectively detect the effective tension at box-girder construction process in civil engineering based on the theory of structural dynamics, scene detection means, the relationship of box-girder vertical prestressing tensile force and dynamic characteristics of the exsertion segment reinforced was established.
The research has important theoretical and engineering applications for crack prevention of box-girders. 1 Introduction The cracking reason for the webs of concrete box-girder is quite complex[1].
The physical meaning of Eq. 1 is : the same tension ,with different exsertion segment length, test value w is different, the vertical prestressing reinforcement and nut with the same specifications and k values are the same, establish the measurement of k and tensioning force, and testω , calculate k, and then we can get tensioning force. 3 Finishing rolling rebars tension test 3.1 Background bridge introduced The upper structure of the Bridge Engineering : is prestressed concrete continuous rigid frame( 57＋100＋57).
Journal of Civil Engineering, 2010,43 (5) :23-28 [4] Li Shoukai, Zhang Feng, Li Shucai.

Seismic Damage Analysis and the Study of Reinforcement Measures for RC Frame Structure Building in Civil Engineering Gao Ming College of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang 621010, China 596377661@qq.com Key words: Wenchuan Earthquake; Seismic Damage Analysis; Reinforcement Measures.Civil Engineering Abstract.
To analysis seismic damage of RC frame structure building, and investigate its reinforcement situation,the results show that: For destruction of frame column or bottom frame structure column, enlarge section method is used mostly for reinforcement in civil engineering;To serious damage of affiliated structure such as filler wall and Parapet, most of them will be demolished and built again, and add constructional column; To the situation of concrete bottom plate with crack, paste carbon fiber sheet or bottom plant steel was used depending on the structural damage degree, and jet concrete for strengthening. 1 Introduction In 5·12 Wenchuan earthquake, seismic damage is slight for frame structure building, basically meet the earthquake resistance protection requirement of “no collapse in large earthquake” [1].Buildings were mostly damaged by different degrees in earthquake center area, serious situations are Constructional column cracking and even rupture, concrete broken in nodes, affiliated
[2] Tsinghua University, Southwest Jiaotong University, Beijing Jiaotong University, Civil Engineering Structures Group of Experts.

Collection of selected, peer reviewed papers from the eco-AWAM International Conference on Civil Engineering 2015 (eco-AICCE’15), September 9-11, 2015, Kuala Lumpur, Malaysia.

The 114 papers are grouped as follows:
Chapter 1: Geotechnical Engineering; 
Chapter 2: Structural Engineering;
Chapter 3: Highway and Transportation Engineering;
Chapter 4: Environmental Engineering; Chapter 5: Water Resources Engineering; 
Chapter 6: Construction Management

Keywords: Civil Engineering; Sustainable Infrastructure; Infrastructure Sustainability; Project Planning; Advanced Analysis; Innovative Material and Design; Green Technology and Solution; Facility Management; Environmental, Societal and Economical Impacts; Maintenance; Construction Planning and Management; Green Construction

Research of civil air defense projects biogas purification independent drainage system Liang Chen 1，Chao Zhang 2, and Shili Zhan 3 Xuzhou Airforce College of China 1 82371130@163.com, 2 zhangxin9604@163.com, 3 xujing9604@163.com Keyword: underground engineering; drainage system; biogas purification Abstract.
The traditional drainage system of civil air defense projects is designed to discharge waste water directly to engineering external, depending on the external facilities of the project seriously, result in poor survival of the entire civil air defense in wartime.
Introduction The traditional civil air defense projects drainage system is shown in Fig.1.This system designed to discharge waste water directly to engineering external, depending on the external facilities of the project seriously, result in poor independence [1].
Combining the characteristics of underground engineering, we determine the internal wastewater reuse facilities and wastewater reuse model for civil air defense projects is the improved biogas tanks sewage treatment mode.
[2]Chemical defense engineering design specifications, the PLA General Staff Headquarters released between 2003 -10-01 implementation [3]Underground water supply and drainage project basis, Luo Jinping, Fang Yao U.S., Qu Li River, Wu Ji-liang, 1997 edition, Corps of Engineers Engineering, Nanjing

Collection of selected, peer reviewed papers from the 2nd International Conference on Civil Engineering, Architecture and Sustainable Infrastructure (ICCEASI 2013), July 13-15, 2013, Zhengzhou, China.

The 447 papers are grouped as follows:
Chapter 1: Building Materials;
Chapter 2: Structural Engineering;
Chapter 3: Bridge, Underground and Road Engineering;
Chapter 4: Hydrology, Coastal and Geotechnical Engineering;
Chapter 5: Earthquake and Seismic Engineering;
Chapter 6: Civil Engineering, Urban Planning and Management.

The collection covers a broad spectrum of topics related to civil infrastructure engineering, which range from structural engineering, bridge engineering, geotechnical engineering, wind engineering, tunnels, subways and underground facilities, seismic engineering and disaster prevention and mitigation and protection engineering.
The volume provided an excellent opportunity to discuss the challenges we are facing with our ever ageing civil infrastructure.

Application of virtual reality technology in civil engineering Yu-ping Qin Engineering and Technical College of Chengdu University of Technology Leshan, 614000, China Qingyuping520025@126.com Keywords: Virtual reality technology, civil engineering, visualization, computation Abstract.
Realizing informatization, intelligentization, visualization and integration of the civil engineering become requirements for modernization of civil & construction engineering project management and the hot research in this field.
The virtual reality technology in civil engineering involves all disciplines in the civil engineering field, and it has a certain practical applicability, great technical potential and broad application prospect.
Application fields of virtual reality technology in civil engineering.In view of the above advantages, the VR technology is widely employed in the civil engineering, with a broad application prospect.
At the present stage, application of the VR technology in the civil engineering includes the following

Collection of selected, peer reviewed papers from the 2014 International Conference on Advanced Materials, Structures and Mechanical Engineering (ICAMSME 2014), May 3-4, 2014, Incheon, South-Korea.

The 213 papers are grouped as follows:
Chapter 1: Applied Mechanics and Manufacturing Processes Engineering,
Chapter 2: Material Science and Technology,
Chapter 3: Civil and Structural Engineering,
Chapter 4: Other Related Topics.
Keyword: Applied Mechanics and Manufacturing Processes Engineering; Material Science and Technology; Civil and Structural Engineering

Research and Realization of Air Leak Test System in Civil Engineering based on Virtual Instrument and Equipment Materials Chuan Wang 1, 2, Sheng-Jie Zhao 2 1 Wuhan University of Technology, Wuhan, 430063, Peoples R China 2 Henan Normal University, Xinxiang, 453007, Peoples R China email: wangchuan20112012@163.com, email: shengjiezhidao@163.com Keywords: Virtual Instrument; Civil Engineering; PCI-6024E; Acquisition Card; Equipment Materials Abstract: Through studying the existing theory and method of equipment materials air leak test system, the characteristics of equipment materials air leak are analyzed in this paper, the air leak test system in civil engineering based on virtual instrument and equipment materials is proposed, The system uses data acquisition card basing the PCI bus, equitpment materials and LABVIEW to design, using virtual instrument and the characteristics of geotechnical investigation and surveying.
The establishment of equipment materials air leak test system can not only resolve the current air leak in civil engineering, engineering survey of the shortage of regional and national figures also an important component of urban development.
The Structure and Work Principle of Virtual Instrument Testing System The air leak test system of equipment Materials based on virtual instrument with equipment materials is proposed, the new system has a computer, NI company multi-function card PCI-6024 E a, the card attached junction box and shield cable, temperature and humidity transmitters a, high precision pressure transmitter, two basic electric proportional valve special power amplifier VEA250, pressure type electric proportional valve VEP3141-03 and other components, test in part by the LABVIEW8.0 (Laboratory Virtual Instrument Engineering Workbench, Laboratory Virtual Instrument Engineering platforms) establishment.
The air leak test system in civil engineering based on virtual instrument with equipment materials is proposed, system is the core of virtual instrument, is the United States NI company LABVIEW launched a based on G Language (Graphics Language) virtual instrument development environment.
References: [1] LU Shuang-zhen.Analysis of Main Spatial Factors of Impacting Forest Distribution in Wuliangshan National Nature Reserve and Its Adjacent Area[J];Journal of Anhui Agricultural Sciences;2009(17) :72-75 [2] HU Sheng-wu,XU Hui, WANG Xin-zhou, LI Chang-chun, LI Ai-guo.Spatial topologic relational model based on uncertainty[J];Engineering of Surveying and Mapping;2004(4) : 8-11 [3] GuoEnQuan, ZhaoXingFen.