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Comparison and analysis of different excavation methods in soft rock-extremely soft rock tunnel Xiangdong Zhan 1, a, Pengtao Zhao 2,b and Wenjun GU 3,c 1 Institute of Civil and Transport, Liaoning Technical University, Fuxin, Liaoning, 123000, China 2 Institute of Civil and Transport, Liaoning Technical University, Fuxin, Liaoning, 123000, China 3 Institute of Civil and Transport, Liaoning Technical University, Fuxin, Liaoning, 123000, China a zhxd2008@yahoo.com.cn, b ZPT111@126.com, c1437922867@qq.com Keywords: Soft rock-extreme soft rock, Surrounding rock deformation, Central heading full section method, Central heading step method, Division method (three heading method), Dynamic simulation, ADINA software.
Because of strong self-stabilization in engineering practice, so the normal excavation method of tunnel can achieve project objective.
According to the geological conditions and engineering experience of before, it mains go to detect at regular time of surface, bottom of tunnel of vertical displacement and horizontal displacement of tunnel wall [7, 8].
One hand can reflect the characters of engineering geology; on the other hand can reflect the actual deformation of surrounding rock, the layout of monitoring points are shown in figure 1: Fig.1 Distribution of monitored points of surrounding rock Monitoring data and analysis The project is divided into three sections for implementation and adopted advanced support to reduce deformation of surrounding rock in actual tunnel excavation, therefore the process of monitoring is also divided into three sections.

Effect of Pozzolanic Materials and Poling Field on Electromechanical Coupling Coefficient of Cement-Based Piezoelectric Composites Dung-Hung Lin1, a, Huang Hsing Pan1,b, Chang-Geng Jiang1,c and Hui-Chuan Hung2,d 1Department of Civil Engineering, Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan 2Wanchi Steel Industrial Co.
For applications of sensors and actuators in civil engineering structure, 0-3 cement-based piezoelectric composites developed to overcome the matching problem that traditional piezoelectric ceramics or polymers do not contact synchronously with concrete [7-9].
To enhance the electromechanical coupling coefficient of cement-based piezoelectric composites is important for the applications of engineering and energy.
Civil Hydr.

Behavior of Prestressed Ultra High Performance Concrete Beams Jian Yang1, a and Zhi Fang2,b 1 School of Civil Engineering and Architecture, Central South University, China 2 School of Civil Engineering, Hunan University, China a jianyangyy@126.com, bfangzhi@hnu.cn Keywords: UHPC, Prestress, Beam, Flexural Abstract.
Journal of materials in civil Engineering, ASCE.

Cation Exchange Capacity Of a Quartz-Rich Soil in an Acidic and Basic Environment Amin Eisazadeh1,a, Khairul Anuar Kassim1,b, Hadi Nur2,c 1Geotechnic Department, Faculty of Civil Engineering, Universiti Teknologi Malaysia, Malaysia 2Ibnu Sina Institute for Fundamental Science Studies, Universiti Teknologi Malaysia, Malaysia aaeisazadeh@utm.my, bkanuar@utm.my, chadi@kimia.fs.utm.my Key words: Quartz-rich soil, Stabilization, Phosphoric acid, Lime, Cation exchange capacity, pH Abstract.
From engineering point of view, the lime treated samples revealed the highest degree of improvement with an approximately 16-fold strength increase in comparison to the natural soil over an 8 months curing period.
Guida: Journal of Geotechnical and Geological Engineering.
Bell: Engineering Geology.
Dixon: Lime Stabilization (Proceedings of the seminar held at Loughborough University, Thomas Telford Publisher 1996) [9] BSI: Stabilized materials for civil engineering purposes: Part 2, Methods of test for cement-stabilized and lime-stabilized materials (British Standards Institution, London 1990) [10] A.

An ANSYS-based approach for nonlinear dynamic stability analysis Si-ping Lua, Qing-yuan Zengb School of civil engineering, Central South University, Changsha 410075, China asiping1018@126.com bzqy1925@163.com Key words: Dynamic eigenvalue; Dual nonlinearity; Dynamic stability analysis; ANSYS Abstract.
References [1] Wang Ce, Shen Shi-zhao.Dynamic stability of single layer reticulated dome[J].China Civil Engineering Journal,2000,33(6):17-24.
Science Technology and Engineering, 2011,11(19):4509-4515(in Chinese) [4] Lin Zhi-Bin,Gui Guo-Qing,Qian Ruo-jun.
Engineering Mechanics, 2006,23(6):6-10(in Chinese) [5] CHEN YingBo, CHEN JunMing, WU DaiHua.
Earthquake Engineering And Engineering Vibration, 2006,26(4):162-167(in Chinese) [9] Xu Yan,Hu Shi-de.Dynamic Stability of Concrete Filled Steel Tubular Arch Bridge Under Earthquake.

This special edition offers a comprehensive overview of diverse research findings and engineering solutions in the fields of advanced composites, cultural heritage preservation, and building materials.
These materials have become indispensable in aerospace, automotive, civil, and marine engineering applications where lightweight strength and durability are critical.
Chapter 2: Properties and Processing Technologies of Cultural Heritage Materials shifts focus from modern engineering to the preservation of historical artefacts and structures.
By addressing both cutting-edge materials development and the conservation of historical materials, this special edition aims to inspire interdisciplinary research and inform its application across engineering, construction, architecture, and culture.

Analysis of Wuhan Urban Characteristics and Urban Spatial Planning Nan Lin1,a, Fei Liu2,b 1School of Civil Engineering and Architecture , Wuhan Polytechnic University, Wuhan , China 430023 2School of Art and Media , Wuhan Polytechnic University, Wuhan , China 430023 a4304835@qq.com,b62773630@163.com Keywords: Wuhan urban characteristics, urban space, urban planning, business district, green space system, low carbon city Abstract.
Natural environment, history culture, civil society, economic development between the cities have the difference, which led to the different characteristics of the city.
In Shanghai, the total amount of underground space development has more than 10 million square meters, including construction of underground transportation facilities, municipal infrastructure, underground space building and civil engineering, etc.

Introduction At present, the urban traffic in China is in a stage of rapid development, the civil vehicles in China owned 20.5317 million cars in 2002, and by the year of 2011, the number of civil vehicles has reached to 93.5632 million, the average annual growth rate over the decade is 16%.
The development of traffic in Qingdao has the following features: the first is the rapid increase in the number of motor vehicles, in 2001 the civil motor vehicles owned 166,500, in 2010, civilian car ownership was 976,100, with an average annual growth rate of 19%; the second is the rapid growth of the number of private cars, from 2001 to 2010, it had increased from 28,250 to 243,835; third, the development of public transportation is fast, from 2001 to 2010, the number of buses had increased from 3,453 to 4,664, the taxi had increased from 8,110 to 9,639.
[5] Zhipeng Li: Value Engineering No.7 (2012), p. 308, In Chinese
[6] Taoyong Su, Jianhui Zhang, Jinliang Li and Ying Ni: Industrial Engineering and Management Vol.16 (2011), p. 134, In Chinese.

Normalized soil deformation induced by underlying bedrock fault CAI Qi Penga, HUANG Yunb and MENG Fan Yanc College of Civil Engineering, Huaqiao University, 668 Jimei Avenue, Jimei District Xiamen City.
Earthquake Engineering and Engineering Vibration, 2008a, 7(2): 147-163
Earthquake Engineering and Engineering Vibration, 2008b, 7(2): 165-179
Geotechnical Engineering Report.
Department of Civil Engineering, University of California, Berkeley, Calif., 1976

Introduction Concrete is a versatile and relatively economical construction material with unlimited application in buildings and other civil engineering structures.
Adeniyi of Civil Engineering Department, LAUTECH are also appreciated for their contributions.
Journal of Materials in Civil Engineering 2006; 18(4): 605-11
Material Science and Engineering A 2011b; 528: 1183 – 1191
Journals of Material in Civil Engineering 2007; 19(5): 367-375