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Studies on Mechanical Model of Geometrically Pre-eccentric Optimization Based on a Small Radius Ramp Curved Bridge with Single Column in City Zhigang Qi1, Jun Dong1, a and Dan Hu1 1School of Civil Engineering and Traffic Engineering, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China a E-mail: jdongcg@bucea.edu.cn Keywords: Pre-eccentric support, Single column, Small radius, Optimization, Internal forces Abstract.
Based on Midas/Civil software, a small radius ramp curved bridge with single column is studied in this paper.
Based on Midas/Civil software, a model is established, the curve is simplified which is cut into the broken line of 120 equal segments to connect and each section is about 1 m in this paper.
He: Journal of Beijing University of Civil Engineering and Architecture, Vol. 17 (2001) No.4, p.23.

Analysis of the Earth Surface Subsidence Caused By the Dewatering of Shenyang Subway in China Shuhong WANG1,a, Lei JIANG2,b and Jiang WANG3,c 1School of Resource and Civil Engineering, Northeastern University, Shenyang, China 110004 2School of Resource and Civil Engineering, Northeastern University, Shenyang, China 110004 3School of Resource and Civil Engineering, Northeastern University, Shenyang, China 110004 aEmail:wangshuhong@mail.neu.edu.cn, bEmail:kdjianglei@126.com, cEmail:wangjiang.only@163.com Keywords: Dewatering, Subsidence, Numerical Simulation, Subway Construction Abstract: During excavation in deep foundation pit, the deformation of soil and earth surface caused by engineering dewatering is an important factor to affect engineering safety.
Fig.1 Schematic diagram of numerical model at Dianye Park （section VA） Fig.2 Numerical model in FLAC 3D The load from the buildings is calculated as follows: Load=13KN/m2×A×S. 13 KN/m2 is the load of each story of the standard civil building, A represents the area of the building and S represents the stories of the building.

The 330 papers are grouped as follows:
Chapter 1: Development and Use of Solar Energy,
Chapter 2: Development and Utilization of Biomass Energy,
Chapter 3: Development and Utilization of Wind Energy,
Chapter 4: Nuclear Energy Engineering,
Chapter 5: Other Energies and Its Utilization,
Chapter 6: Batteries and Energy Storage Technology,
Chapter 7: Energy-Saving Technology and Energy Conversation,
Chapter 8: Hydrogen and Fuel Cell,
Chapter 9: Energy Materials and Technology,
Chapter 10: Energy Chemical Engineering and Processes,
Chapter 11: New Energy and Electric Vehicles, Engines and Technologies,
Chapter 12: Energy Equipments,
Chapter 13: Building and Construction Technologies, Energy-Saving Buildings, Civil Engineering Keyword: Energy science, solar energy, biomass, wind energy, nuclear energy, batteries and energy storage, fuel cells, eneregy saving technology, hydrogen cells

The 334 papers are grouped as follows:
Chapter 1: Development and Utilization of Solar Energy;
Chapter 2: Development and Utilization of Biomass Energy;
Chapter 3: Development and Utilization of Wind Energy;
Chapter 4: Nuclear Energy and Nuclear Engineering;
Chapter 5: Hydrogen, Fuel Cell and Related Technologies;
Chapter 6: Storage Battery and Other Energy Sources;
Chapter 7: Energy-Saving Technology and Energy Conservation;
Chapter 8: Energy Materials and Technology;
Chapter 9: Energy Chemical Engineering and Processes;
Chapter 10: Energy Security and Clean Use;
Chapter 11: New Energy Vehicles, Engine and Electric Vehicles;
Chapter 12: Building Materials and Technologies, Energy-Saving Buildings, Civil Engineering.

Effect of Concrete Slab Thicknesses to the Deflection of a Composite I-Steel Long Span Girder Validated with Bridge Loading Test Results Ida Royana Tambunan1,a*, Heru Purnomo2,b 1,2Civil Engineering Departement, Universitas Indonesia, Depok 16424, Indonesia aida.royana01@ui.ac.id, bherupur@eng.ui.ac.id Keywords: Long span bridge, Composite, Slab Thickness, Loading Test, Displacement, Steel I-Girder Abstract.
Long-span bridges are generally often needed in the world of civil engineering to reduce the number of the bridge piers.
The modeling is assisted by MIDAS civil software [5].
[5] Midas Civil, License Code IDENCIV0000100, 2024

Mechanical Performances of Green Engineered Cementitious Composites Incorporating Various Types of Sand Siong Wee Lee1,a*, Chai Lian Oh2,b, Mohd Raizamzamani Md Zain2,c , Norrul Azmi Yahya 2,d and Azerai Ali Rahman2,e 1Faculty of Civil Engineering, Universiti Teknologi MARA, Johor Pasir Gudang Campus, 81750 Masai, Johor, Malaysia. 2Faculty of Civil Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.
Maalej, Application of engineered cementitious composites (ECC) in interior beam–column connections for enhanced seismic resistance, Engineering Structures. 69 (2014) 235-245
Lee, Seismic behaviour of engineered cementitious composites beam-column joints.
Key Engineering Materials. 775(2018) 589-595
M., & Ismail, S., Strength characteristics of geopolymer concrete containing recycled concrete aggregate, International Journal of Civil & Environmental Engineering. 11(1)(2011) 59-62

Civil aviation has become the breach of the climate change negotiations.
Shanghai Pudong project phase Ⅱ and its supporting projects, include runway 2, runway 3, T2 terminal area, comprehensive supporting engineering, west freight area engineering and so on, the focus of the green design is the terminal and energy center, as is shown in Fig. 1.
By 2030, with the new development of China, a safe, efficient, high quality and green modern civil aviation system will be completed in an all-round way, the historic change from civil aviation large power to civil aviation strong power will be achieved, and China will become the country which leads the world civil aviation development.
The sustainable development report of civil airport of China(internal document, 2010, In Chinese)
Study on the diversity of regional Development of Passenger Throughput of civil airports in China.

Journal of Materials in Civil Engineering, 2008, 20(1): 85-91 [9] C.
Journal of Materials in Civil Engineering, 2011, 23(12): 1602-1608 [10] John A.
Journal of Materials in Civil Engineering,2013,25(1):39-44 [18] J. de Brito, F.
Journal of Materials in Civil Engineering, 2012, 24(8): 1034-1042 [22] A.K.
Computer-Aided Civil and Infrastructure Engineering, 2000, 15: 45–55

The durability failure mechanism, durability failure type and durability failure mode were presented in the paper which is different from caviling engineering.
Therefore the life span of hydro structure was shorter than common civil engineering.
(9) Rust Model of Reinforcingbar The hydro structures concrete members are always outdoor where the humidity is high, sunlight is strong, concrete carbonize easily, and steel reinforcing bars rust more easily, where environment is different from those used in civil engineering.
Of course the corrosion protection is thicker than those used in civil engineering; the rust of steel reinforcing bars is very severe for the long-time working.
The calculating results are very close to the engineering practice.

Abstract: Forecasting the distortion of civil engineer projects need the support of mathematical statistical theories.
Introduction The distortion monitoring is important for civil engineer project.
Utility survey data processing method [M] Beijing Surveying and Mapping Press 2000(in Chinese) [3] Xuxi Heling Tunnel Arch Subsidence Monitoring with Method of Auto-regression [J] Civil Engineering in Chin–Current Practice and rearch Report 2010.7:511-513 In American Philadelphia.