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The Spring Rigidity Values Analysis in Incremental Method of Deep Excavation With Considering Interaction Among Soil Springs Cunen Chena， Chunbao Heb College of Water Conservancy and Civil Engineering, South China Agricultural University, Guangzhou, Guangdong, 510642, China achencunen@163.com, bhnhcb@163.com Keywords: Deep Excavation; Interaction; Incremental Method.
The calculation result shows that the foundation deformation considering interaction among soil springs is large than those not considering the interaction, and also larger than engineering practical condition.
The example proves that the method presented in this paper has good preciseness comparing with the results of engineering practical condition.
West-china Exploration Engineering.
Engineering Mechanics， Vol.18（2001）,141~147 .( In Chinese)

Numerical Simulation Research on the Influence of Tailings Surcharge Load at Open-pit Mine Zhou Chunmei1,2 Zhang Dianji2 1Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China, 430071 2School of Environment and Civil Engineering, Wuhan Institute of Technology, Wuhan, China, 430074 zhouchunmei@163.com Keywords: Open-pit Mine, Tailings Surcharge Load, Underground Mining, FLAC, Numerical Simulation Abstract.
In this paper, international geotechnical engineering analysis software FLAC was used to simulate the influence of tailings surcharge load at open- pit mine to overlying orebody mining at the north of Axi gold deposits in Xinjiang.
Engineering geological properties and the process of establishing geological model of open -pit mine in the north of Axi gold deposits in Xinjiang were introduced .It simulated the laws of deformation, stress and plastic zone of the top and base of wall rocks of underground mining in two conditions.
[2] Chen Yumin,Xu Dingping.FLAC/FLAC 3D Foundation and Engineering Practice [M].Beijing:The Publishing House of Water Conservancy and Hydropower,( 2009) [3] Experimental Study on Deep Caving Method Transgenic Filling Method at Axi gold deposits in Xinjiang [R], Changsha Institute of Mining Research, (2009) [4] The Geological Report on Closed pit of the north of Axi gold deposits in  Yining county, Xinjiang[R] .
A review of techniques, advances and outstanding issues in numerical modeling for rock mechanics and rock engineering[J].

Rock burst will happened when the underground engineering is excavated in the hard and brittle rock mass because of high in situ stress or concentrated stress.
This paper analysis engineering geology conditions of this area and the characters of rock burst, author concludes that posteriority and continuity for time and Traceability and continuity for place are different from others rock burst examples.
As for engineering examples,Tao Zhenyu[2]concluded some projects at home and abroad.
Based on engineering experiences and numerical simulation, on rock burst position, the maximum principle horizontal geostress may exceed 30MPa which is listed in table 7.
China civil engineering journal,37(1): 61～64

No wonder that the expansive soil is called "the cancer of Geotechnical Engineering"[1].
It is widely used in international civil engineering (especially in the geotechnical engineering) and enjoy high academic and industry prestigious [10].
[6] Shengyou Lei,WantaoDing:Chinese Journal of Rock Mechanics and Engineering.
Ng , Chao-sheng Tang : Engineering Geology .
[10] Yuming Chen:FLAC/FLAC3D Foundation and engineering examples.

The overall goal of this study is to contribute to the advancement and efficiency of composite materials and expand the possibilities in material engineering by offering solutions for industrial challenges.
By integrating human hair fibers into materials, engineers can develop products that are both lighter and stronger while also reduce impact of production on the environment.
This studying approach not only addresses concerns related to waste management of hair but also contributes to sustainable material engineering by reducing dependence on nonrenewable resources.
Chantarapanich, "Feasibility Study of Selecting Soft Components of Body Armor," Key Engineering Materials, vol. 775, pp. 32-35, 2018, doi: 10.4028/www.scientific.net/KEM.775.32
Aguiar, "Review on the Durability of Polypropylene Fibre-Reinforced Concrete," Advances in Civil Engineering, vol. 2021, pp. 1-13, 2021, doi: 10.1155/2021/6652077.

(4) landslide often happened in the districts where the human engineering activities are more frequent The area where the human engineering activities are more frequent is also an important place where the disaster occur.
As the negative influence of human engineering activities on the stability of slope is more and more serious, the unreasonable human engineering activities become an important factor to induce geological hazards.
Under these aboving engineering load, deformation and failure of the slope occur, further up geological disasters happen.
[4] Zhongping Zeng, Huabin Wang, Zhi Zhang, Chongsheng Xue: Rock Mechanics and Engineering Journal. 2006, 25 (Supplement1)
[9] Ying Ma, Wangxue Tian: Resources Environment and Engineering. 2007, (2)

Material Selection of Natural Fibers for Composite Automotive Component Using Analytic Hierarchy Process/Analytic Network Process in Concurrent Engineering Approach Mastura M.T.1,a*, Sapuan S.M.2,3,4,b, Noryani M.2,5,c 1Faculty of Mechanical and Manufacturing Engineering Technology, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia 2Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia 3Advanced Engineering Materials and Composites Research Centre, Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia 4Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia 5Faculty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia amastura.taha@utem.edu.my
, bsapuan@upm.edu.my, cnoryani@utem.edu.my Keywords: Material Selection; Natural Fiber Composites; Analytic Network Process; Analytic Hierarchy Process; Concurrent Engineering Abstract.
Moreover, in order to practice concurrent engineering technique this decision making tool is the most suitable where all the important criteria are considered in parallel and connection between each other is analyzed.
Evaluation on the inner dependency between the criteria and sub-criteria with regards to natural fiber composite characteristics will assist design engineer to prioritize the material requirements using ANP.
Azadeh., Using ANP and AHP fot the supplier selection in the construction and civil engineering companies; case study of Iranian company, KSCE J. of Civ.l Eng.., 17 (2013) 262-270

Experimental Investigation on the New-type Outer-plated Steel-concrete Continuous Composite Beams Lihua Chen 1,a Aiqun Li2,b Yu Lou 3,c 1College of Civil Engineering, Hefei University of Technology, Hefei 230009, China, 2College of Civil Engineering, Southeast University, Nanjing 210096, China, 3China Electronics Engineering Design Institute, Beijing 100840, China ahfclh1997@126.com, baiqunli@seu.edu.cn, clouyu@ceedi.com.cn Keywords: outer-plated steel-concrete composite beam; continuous beam; negative moment; bearing capacity; deflection Abstract: Static load tests are conducted for two outer-plated steel-concrete continuous composite beams.
Nie, Q.H.Ye, et al: Journal of Building Structures, 2001, 22(2):57-60(in Chinese) [6] Oehlers D J, Nguyen N T, Ahmed M: J. of constructional steel research, 1997, 41(2/3):235-248 [7] Fabbrocino G, Manfredi G, Cosenza E: J. of Constructional Steel Research, 2001, 57:185-202 [8] Fabbrocino G, Manfredi G, Cosenza E: J. of Structural Engineering, 2000, 126(12):1288-1294

Rigid Body Spring Model for Large Aggregate Concrete WANG Huai Liang 1, a 1 Civil and Architectural Engineering College, Dalian University, Dalian, China awhuailiang@163.com Keywords: Large aggregate concrete, mesolevel, random aggregate, rigid body spring model (RBSM), strength.
Kawai: Japanese Civil Engineering Society Symposium.
Yasuo：Journal of Structural Engineering.
Bolander：Computer Methods in Applied Mechanics and Engineering.

Hydrothermal Problems of Wooden Windows Adela Palková1, a*, Milan Palko2,b 1,2Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Radlinského 11, 813 68 Bratislava, Slovak Republic a adela.palkova@stuba.sk, b milan.palko@stuba.sk Keywords: wooden windows, moisture, condensation.
Fig. 1 Schematic representation of heat transmission, diffusion of water vapour and airflow through window structure Experimental measurements The experimental measurements were carried out in heat engineering laboratories at the Faculty of Civil Engineering.
Fundamentals and Engineering Methods with Examples and Exercises.