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Physical Model Test on Thick Gravel Layer Inclined Shaft Deformation and Failure in Yili No.1 Coal Mine Dongming Guo1,2,a, Yi Zhang 1,2,b, Pengfei Han2,c, Jingzhao Zhuang3,d 1State Key Laboratory for Geomechanics & Deep Underground Engineering, Beijing,100083, China 2School of Mechanics & Civil Engineering, China University of Mining and Technology, Beijing,100083,China 3College of Water Conservancy and Civil Engineering, China Agricultural University, Beijing,100083,China a wjgdm1999@163.com, bsongshu770209@126.com, c han_pf@yahoo.com.cn, d dtqin@cqu.edu.cn Key words: Thick gravel layer, Incline shaft, Physical model test, Roadway deformation, Roadway support.
As most of gravel layers met ever before are shallow and thick, forced through is an available method in engineering.
References [1] Quanliang Shi: Sand and gravel foundation engineering geology.
[2] Jie Liu, Ding-song Xie, Yihao Cui: Chinese Journal of Geotechnical Engineering, 2009,31(8):1188-1191 [3] Caihua Shen, Liyuan Tong, Songyu Liu:.Chinese Journal of Geotechnical Engineering, 2008,41(7):71-75
[4] Chunmei Mu: Journal of Engineering Geology,2003,11(02):186-188

Development States and Existing Problems Research of Nondestructive Testing of Bolt Xiankai Bao1, a, Huanhuan Liu2,b, Lijuan Liang3,c 1College of Architecture and Civil Engineering, Inner Mongolia University of Science andTechnology, Baotou, Inner Mongolia 014010 2College of Architecture and Civil Engineering, Inner Mongolia University of Science andTechnology, Baotou, Inner Mongolia 014010 3Shanghai Jianke Engineering Consulting Co,Shanghai 200032 China a E-mail:bxkzlm@163.com, b404708815@qq.com,c E-mail:lianglijuan@jkec.com.cn Key words: anchor, Nondestructive testing,The research progress, detector.
So bolt testing is necessary in anchoring engineering.
I believe that the technique will promote engineering creation development greatly with its improvement.
Anchor Dynamic Tests Numerical Solution ,World Earthquake Engineering 2003, 9, in volume 19, （3）, 68～72
Journal of Engineering Design. 2010(06) [6] Li Yi, Wang Cheng.

The research and development of the constitutive model of soil Zhihua Xu1,a, Dawei Sun1,b, Qiancheng Sun1,c 1China Three Gorges University, College of Civil Engineering&Architecture Yichang 443002 aemail:864671160@qq.com, bCorresponding author email:daweisun@126.com cemail:704787996@qq.com Key words: constitutive model; the intermediate principal stress; particle breakage Abstract: This article introduced the development of the constitutive model of soil briefly, and analysed several classic constitutive models.
Acknowledgements This research was supported by the National Natural Science Foundation of China (General Program Grant No. 51179097) and the College of Civil Engineering & Architecture Graduate Dissertation Fund of China Three Gorges University (2013PY013).
Chinese Journal of Geotechnical Engineering.
Chinese Journal of Geotechnical Engineering, (1988), p. 64 [7] Shen Zhujiang.
Chinese Journal of Geotechnical Engineering, Vol. 18(1996), p. 95 [13] Liu Yuanxue.

MacRae2,b 1Department of Civil and Environmental Engineering, University of Auckland, New Zealand 2Department of Civil and Natural Resources Engineering, University of Canterbury, New Zealand ae-mail: c.clifton@auckland.ac.nz be-mail: gregory.macrae@canterbury.ac.nz Keywords: Earthquake, steel, building, performance.
Momtahan, A., Effects of Out-of-Plane Strength and Stiffness of Composite Floor Slab on Inelastic Response of Eccentrically Braced Frame Structures, in Civil and Environmental Engineering. 2014, University of Auckland: University of Auckland
Auckland, New Zealand: The University of Auckland Department of Civil and Environmental Engineering
Journal of Structural Engineering, 2015
Structural Engineering Society New Zealand, 2011. 24(2): p. 27-42

Improving the thermal insulation properties of brick products using chemical additive Vuppor Mikuláš Šveda Slovak University of Technology in Bratislava, Faculty of Civil Engineering Radlinského 11, 813 68 Bratislava, Slovak Republic mikulas.sveda@stuba.sk Keywords: Chemical waste, brick, properties.
In the first half of the nineties of the 20th century within the context of cooperation between Research Institute of Petrochemistry in Prievidza and Department of Material Engineering of the Faculty of Civil Engineering in Bratislava developed a chemical additive based on condensates of aldehydes (polyelectrolytes) which was given a business name Vuppor [14].
Based on the requirements of manufacturers of brick products for building external cladding, who necessarily needed to improve the thermal properties of their products, (cooperation as mentioned above between the Research Institute for Petrochemistry in Prievidza and the Department of Material Engineering at the Faculty of Civil Engineering in Bratislava) was developed a new chemical additive – Vuppor 2.

Failure Mechanisms and Progressive Collapse Judgment Criterion of Space Trusses under Strong Earthquakes WU Hui1,a, DU Wenfeng2,b and WANG Yijun3,c 1 Branch of Business Management, Zhejiang Finance and Economics College, China 2 College of Civil and Architecture Engineering of Henan University, Kaifeng, 475004, China 3 Department of Civil Engineering, Zhejiang University, Hangzhou, 310058, China awuhui2188@sina.com, bdwf@henu.edu.cn, cbqgao@zju.edu.cn Keywords: space trusses, strong earthquakes, failure mechanisms, judgment criterion Abstract.
China Civil Engineering Journal,2008,41(6):1-8
Response of space structures under sudden local damage[C].Engineering, Construction and Operations in space ш.Reston:ASCE,1992
Engineering Mechanics, 2009,26(7):39-46

Study of pretreatment of textile wastewater using CaO2/H+/Fe2+ advanced Fenton-like oxidation technology Lu XiuGuo1, a, Lin Pan2,b and Jie QiWu3,c 1School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, China 2School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, China 3School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, China a149862562@qq.com, b947777981@qq.com, C923126627@qq.com Key words: Textile Wastewater; CaO2; COD removal efficiency; Decolorization rate Abstract.
Instrument: ZD-8808 type thermostatic oscillator (the jintan city huacheng kaiyuan experimental instrument factory); HACH spectrophotometer(DR/2500); WMX microwave sealed digestion COD measuring instrument(Shantou sea engineering corporation); JPHS- 3E pH meter (Shanghai fine clay magnetic instrument factory). 1.2 The experimental steps 1.2.1 CaO2/H+/Fe2+ Oxidation experiment Take 50mL textile wastewater, adjusting the pH, add CaO2, FeSO4, reaction for a period of time under 25˚C, filtering, measure the COD removal rate and the decolorization rate.
Journal of Environmental Chemical Engineering, 2014,2: 557–572

Improvement of the Shear Strength Parameters of a Granular Volcanic Soil Using Type I Portland Cement Jordy Frank Viso Chachayma1,a, Jhian Franco Torres Alvarez1,b,*, Gary Durán Ramírez1,c and Carlos Mario Fernández Díaz1,d 1Faculty Civil Engineering, Universidad Peruana de Ciencias Aplicadas, Peru au201316059@upc.edu.pe, bu201315770@upc.edu.pe, cgary.duran@upc.pe dcarlos.fernandez@upc.edu.pe Keywords: volcanic soil, cement, volumetric deformation, maximum dry density, shear stress.
Journal of Materials in Civil Engineering Vol. 32(7) (2020), 04020177
Journal of Materials in Civil Engineering Vol. 32(5) (2020), 04020087
Review on the use of volcanic ashes for engineering applications.
“Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)”, ASTM International, West Conshohocken, PA, 2017

Flexural Performance of RC Beams Strengthened with Different Reinforcement Ratios of CFRP Laminates Habibur Rahman Sobuza and Ehsan Ahmedb Department of Civil Engineering, Universiti Malaysia Sarawak 94300, Kota Samarahan, Sarawak, Malaysia ahabibkuet@yahoo.com, baehsan@feng.unimas.my Keywords: Strengthened Beam, Flexural strength, CFRP laminates, Cracking load, De-bonding.
In the past two decades FRPs, which were originally developed for the aerospace and defense industries, have shown great potential for use in civil engineering structures [3].
Bloxham, Structural Engineering, Part A, 65 (2), 1987, 59-68
Leeming, Strengthening of reinforced concrete structures using externally-bonded frp composites in structural and civil engineering.
Ehsani, Journal of Structural Engineering, 1991, pp.3434-3455

Considering characteristics of parameters in "energy efficient architecture of the object", as a way of organization the thermal efficiency of the building, one of the energy efficient solutions in civil buildings is improvement of architectural-and-planning solutions (efficiency of energy saving activities up to 5-20%) [14].
Khokhlova: Design of energy-efficient and energy-active civil buildings, Textbook for students majoring in "Industrial and civil construction, edited by "High School" (1991), p. 255 [5] L.V.
Petrichenko: Nonsteady filtration in a uniform soil mass, Power Technology and Engineering, №46 (3), (2012), p. 198-200 [25] V.N.
Bukhartsev, M.R.Petrichenko: Nonsteady filtration in a uniform soil mass, Power Technology and Engineering, №46 (3), (2012), p. 1-3
Petrichenko: Problem of filtration in a uniform rectangular soil mass is solved by variational principles, Power Technology and Engineering, №46 (3), (2012), p. 185-189