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., Russia 2Moscow State University of Civil Engineering (National Research University) (MGSU), 129337, Yaroslavskoe shosse, 26, Moscow, Russia a*anna.bobrovnik.92@mail.ru, bslesarev_m@mail.ru, cscherschneva@rambler.ru Keywords: Gypsum stone, magnesia stone, heavy metal ions, Gibbs energy, geoecological protection properties.
Babak, The use of oil-contaminated crushed stone screenings in construction ceramics, Procedia Engineering. 189 (2017) 59-64.
Petriaev, The Modern Structure for Storm Sewage Purification of Roads, Procedia Engineering. 189 (2017) 576–581.
Kabanov, Soil Reinforcement and Detoxication by Means of Mineral Binder Systems, Procedia Engineering. 189 (2017) 582–586.
Shrednik, Conservation of mineral resources in transport and civil construction, Lecture Notes in Civil Engineering. 50 (2020) 479–486.

., Ltd, Chenzhou, Hunan, 423000,China 2Collge of Civil Engineering, Hunan University, Changsha,Hunan,410082,China 3Hunan Transportation Research Institute, Changsha,Hunan,410000,China acn_ zgs @163.com, bwhdwang2007@gmail.com, croger.2000@163.com Keywords: composite foundation; nondestructive monitoring; ground penetrating radar; the defects in tamping soil cement piles; Abstract.
Then the good effect on engineering practice is achieved.
The accuracy can meet the engineering requirement.
Ground penetrating radar applications in engineering.
Application of ground penetrating radar to the inspection of pile foundation engineering.

Failure Analysis of Bolted Composite Joint Based on Extended Finite Element Zhenqing Wang a, Song Zhou b, Jiansheng Zhou c, Xiaodi Wu d College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China awangzhenqiang@hrbeu.edu.cn, bdagaier@163.com, czhoujiansheng@hrbeu.edu.cn, dwuxiaodi528@163.com Keywords: composite; joint; Extended Finite Element Method (XFEM); geometrical parameters; failure Abstract.
Introduction Composites are widely used in different branches of engineering and structural systems like those in aerospace and automobile industries, power plants, etc.
International Journal for Numerical Methods in Engineering. 48 (2000) 1549-1570 [7]Moes N., Gravouil A. and Belytschko T.
International Journal for Numerical Methods in Engineering. 53 (2002) 2549-2568
International Journal for Numerical Methods in Engineering. 53 (2002) 2569-2586

Experiment Study on Air-deck Divided Decoupling Charge In the Subway Construction Ren-shu Yang1,a, Yu-long Che2,b, Qiang-Sun1,c, Shao-min Zhang2,d, Chuan-Huo2,e 1State Key Lab of GeoMechanics and Deep Underground Engineering, China University of Mining & Technology,Beijing 100083,China 2School of Mechanics & Civil Engineering, China University of Mining & Technology, Beijing, 100083, China ayrs@cumtb.edu.cn,bCYL9808@yahoo.com.cn,csunq_208@163.com,dsmzhang304@163.com, ehuochuan1985@163.com Keywords: Smooth blasting; Charge structure; Blasting effect; Urban subway Abstract.
The experiments proved that when adopted air-deck divided decoupling charge, the blasting effect was better than adopted concentrated charge, so there will be some reference value to the later engineering.

This article analyses the living environment status of coal urban in northeast of China in two aspects of the industrial building and civil construction, from environmental managing, ecological planning, industrial scaling, government functions, economic development and other several aspects to identify the factors that cause urban environmental pollution and ecological damage which affect the sound development of ecological living environment, sums strategies and controls measures which suit living environment’s sustainable development of coal resource city.
Government must formulate relevant policies to regulate these enterprises, use economic sanctions to make mine environmental behavior linked with its economic interests, draw up corresponding reward system of coal mining enterprises, carry out the management planning and of ecological restoration work actively. 3.3 Prevention of collapse and scientific management The ecological restoration work of coal resources cities would be handled first from technological investment, in order to ensure scientific research works smoothly, we should increase research efforts of collapse governance, such as establishing research institutions like Collapse-and-governance Research Institute and Collapse Engineering Research Institute, establishing collapse monitoring centers and Anti-collapse Building Research Institute.
Such as using the slope of subsidence area for renovation at first, converting loblolly into puddles aquarium, planting or planting crops on the slope, establishing breeding industry, feeding mills, etc., making it complete food chain engineering systems, followed by recovering green planting, rehabilitating grass and implementing ecological restoration in a certain range of living , strengthening plant habitat construction, finally transforming coal gangue into electricity power or milling the grain for brick making which would turn waste into treasure, it can not only utilize the waste but also save energy, greatly reducing the occupation of arable land and mitigating air pollution effectively.

Bearing Capacity of Frame’s Column Strengthened With Addition Flange Wall Wang Ru-heng 1,a Jia Bin 1,b Guo Wen 1 Fan Chao 1,c 1Department of Civil Engineering and Architecture, Southwest University of Science and Technology, MianYang, 621010, SiChuan,China awrh710@126.com ,bjiabin216@126.com,cfanchao710@126.com Keywords: addition flange wall; biaxial eccentricity; bearing capacity; numerical integration Abstract: A large number of frames damaged due to the poor lateral stiffness in “5.12” earthquake.
This paper analyzed the behavior capability of special-shaped column of the practical engineering structures, meanwhile, obtained N-M curve, Mx-My curve and M-φ of biaxial eccentricity compression based on numerical integration method.The results show that,the failure mode of special section column after reinforcing and rectangular column under the biaxial eccentricity compression are conform,including fail in tension or compression and the limit failure.
The earthquake engineering.2005,9.

Dynamic Analysis of 64-type Rush-repair Steel Girder Under the Moving Train Loads Yao Hui Zhang1,a , Hai Long Wang2,b 1School of Civil Engineering, Southwest Jiaotong University, Chengdu, 610031, China 2 Hebei Institute of Architechtural Engineering, Zhangjiakou, 075024, China asjzzhangyh@126.com, bzhangyh@sjzri.edu.cn Keywords: Dynamic Analysis; Rush-Repair Steel Girder; Moving Train Load; Abstract.
In China, the 64-type rush-repair steel girder developed in 1964 has played a huge role in the railway and highway transportation engineering construction.

Improvement of Setting Property of Magnesia Phosphate Cement by Recycling Boron Mud Jinhong Xia1, a, Dawei Yuan2,b 1 Wuhan University of Technology, Wuhan, Hebei Province, China, 430070 2 School of Civil Engineering, Xinxiang University, Xinxiang Henan Province, China, 453000 axiajinhong@sina.com, byuandawei1981@tom.com Key words: Boron mud, Magnesia phosphate cement, Retardation mechanism, Reclamation Abstract.
While magnesia phosphate cement has many excellent characters, so it has a fine future in engineering projects, yet its application scope is limited greatly by the rapid rate of hydration reaction.
So MPC has a fine future in engineering projects, yet its application scope is limited greatly by the rapid rate of hydration reaction.

Energy Efficiency of Building Envelopes Richard Jedinák 1, a 1Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Department of Building Structures, Radlinského 11, 813 68 Bratislava, Slovakia arichard.jedinak@stuba.sk Keywords: building envelopes, energy consumption, thermal protection, Abstract.
Energy efficiency of buildings is one of the basic requirements of current architectural engineering.
In: Control engineering practice 20 (2012), 1325 - 1336 [4] Ritesh A.
In: a) Department of Mechanical and Aerospace Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, United States b) School of Architecture, Rensselaer Polytechnic Institute, Troy, NY 12180, United States [5] H.

The Application and Development of Intelligentized Concrete SHI Yang-hang, Wu Chong,Wu Ze-jin (Department of Civil Engineering, Huaqiao University, Quanzhou 362021, China) d.s666@163.com, wuchong20@126.com Keywords: Intelligentized concrete, Functional materials, Structure durability, Bionic technology, Environmental adaptation performance.
Subgrade Engineering,2008,（4）:38-39 [4] Cheng Xian-wen, Guan Qun.
The application of intelligentized concrete in civil engineering,[J].
Engineering and Construction, 2006, （1）:69-71 [5] Zhao Wen-juan.
Journal of Railway Science and Engineering, 2008, 5（1):6-10 [8] Wan Ze-qing.