Table of Content

15 July 2016, Volume 31 Issue 7

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East dump stability analysis and optimization in Hesigewula Open-pit Coal Mine

MEN Shuchen

2016, 31(7):  1-3. 

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Abstract: On the basis of finding out the engineering geology, hydrological geology condition, base rock soil layer and  physical and mechanical properties, the author evaluates on east dump present condition slope stability, and optimizes the designed dump parameters. Under the premise of ensuring safe production, the occupancy capacity of dump is fully developed to increase land use efficiency.

Application of inclined mining internal dumping mining procedure in Huolinhe south open-pit mine

LI Wei, XU Yongchao, DONG Junting, WANG Haifeng, GUO Man

2016, 31(7):  4-8. 

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Abstract: By optimizing the relationship of mining and dumping, adjusting the layout of mining, the south open-pit mine solved some problems , such as slow internal dumping development, unreasonable  distance and hoisting height, reasonable working line length to develop large equipment efficiency, slope stability, which took a solid step in technical management and cost control aspects.

Optimization of mining and dumping relationship under joint operation conditions in Yimin Open-pit Mine

WU Hongyang

2016, 31(7):  9-12. 

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Abstract: Through analyzing the effect factors of mining area turn, geological structure, east end slope coal mining, west end slope expansion, semi-continuous mining system, the mine carries out optimization on mining and dumping relationship from east end slope coal mining mode, rational exploitation and west end slope dumping line aspects.

Analysis and optimization of slope residual coal treatment scheme in Xinjiang Open-pit Coal Mine

BAO Fuyong, AN Guoping, WANG Zhenwei

2016, 31(7):  13-14. 

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Abstract: Based on the engineering geological exploration, using the exploration results and experimental data, the article analyzed the  stability coefficient of residual coal slope and obtained that the residual coal had great effect on slope stability. From the feasibility of the program, long-term benefits, economic benefits and other aspects, the author comprehensively analyzed the residual coal reserves, all clean, part of the clean-up and other programs. Through the analysis and comparison of different schemes, the author suggested adopting full clean-up program.

Dumping mode selection and dump planning in Sandaoling Open-pit Mine

SUN Jinliang

2016, 31(7):  15-17. 

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Abstract: Through division mining in open-pit mine, the mine divided the pit mining field into three mining areas, carried out plane layout and vertical layout on the dump, reasonably arranged three mining areas stripping flow, which improved the dumping technology management and provided a guarantee for production efficiency in the open-pit mine.

Slope stability analysis under different soil rock ratio in open-pit coal mine dump

WANG Jianxin

2016, 31(7):  18-21. 

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Abstract: In order to further study and verify the slope stability of external dump, the author carries out numerical simulation on slope stability of dump rock under different thickness ratio by using the limit equilibrium theory of rigid body and makes conclusion and analysis, which provides technical reference for the surrounding open-pit coal mine.

Research and analysis of landslide survey in open-pit mine  

YANG Daming

2016, 31(7):  22-25. 

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Abstract: Taking the engineering example as the background, the article follows rigorous survey procedures, and uses a variety of survey methods according to local conditions, including field survey and geological mapping, engineering drilling, in situ testing, laboratory tests, numerical simulation and other work. The author explores a method of landslide sliding surface, on the basis of this, and analyzes the causes of the landslide.

Slope stability evaluation based on the extension theory combined with entropy weight

ZHOU Jiakuan, ZHENG Boning, ZHAO Hongze

2016, 31(7):  26-30. 

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Abstract: On the basis of south slope engineering example in the first mining area of Inner Mongolia Zhanihe Open-pit Mine, the author explores the application of extension theory combined with entropy weight in slope stability evaluation, theory with practice, and obtains that the final evaluation results and the actual situation has strong joint degrees and results are accurate, the method is feasible.

Coal and rock blasting technology in open-pit mine thin coal seam area

GE Chuang

2016, 31(7):  31-34. 

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Abstract: The thin coal seam area in Shenhua Xinjiang Open-pit Mine adopts the traditional blasting technical scheme, which is difficult to achieve safe and efficient mining of coal seam in this region. Aiming at this problem, based on the basic principle of separation of coal and rock, the author puts forward adopting the blasting scheme of digital electronic detonator and blasting design software to realize coal and rock blasting technology, which obtains good effect of coal and rock piles.

Mining transportation system reform scheme in Yimin No.1 Open-pit Mine

GAO Yuan

2016, 31(7):  35-38. 

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Abstract:  In order to solve a series of problems caused by mining area steering, Yimin No.1 Open-pit Mine transforms the original coal mining transportation system. The mine transfers No.1 crushing station and east slope belt conveyor system to west slope, and changes the direction of No.3 self-moving crusher coal mining working face from east to west. No.3 crushing system moves to west slope, which eliminates the unfavorable factors of original system.

Stripping mining process in Wenshan Puyang Open-pit Mine

WEI Xuelin

2016, 31(7):  39-42. 

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Abstract: According to the present stage actual production in Puyang Open-pit Mine, combining with the spatial relationships of east slope and north slope in stope, the article carries out demonstration from the economy, technology and safety, and determines the most appropriate stripping mining process in Puyang Open-pit Mine.

Highlights and problems research on coal industry open-pit mine design code

WANG Yan

2016, 31(7):  43-45. 

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Abstract: Through analyzing highlights and problems of coal industry open-pit mine design code to draw the research and design staff and related personnel's attention, the revised new code can be implemented in the design and production of open-pit coal mine.

Reasonable working line length of semi-continuous process with self-moving crusher in open-pit mine

ZHAO Dengjuan, FU Xinhua

2016, 31(7):  46-49. 

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Abstract： Through analyzing the factors of moving crusher semi continuous process and self-moving crusher semi continuous process, the article calculates non-working time expression of two kinds of process which complete the same output, analyzes non-working time of two kinds of process, and obtains reasonable working line length of semi-continuous process with self-moving crusher.

Supporting design of screening and crushing station in Open-pit Coal Mine

LIU Shujie

2016, 31(7):  50-51. 

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Abstract: Combined with the supporting engineering example in screening and crushing area of the open-pit coal mine, the article introduces the choice of permanent supporting structural system under the complicated geological conditions. Through the comparative analysis, the author finally determines the combination supporting design scheme of pile anchor and grouting reinforcement. The support scheme has the characteristics of security and reliable、construction simple and low cost, which provides experience for the similar projects in the future.

Construction of module smart control mode in large and extra large coal preparation plant

ZHAO Guanghui

2016, 31(7):  52-56. 

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Abstract: According to the existing information technology, the article presents the overall design scheme of module smart control mode, including the network module, production control module, industrial control module, accident warning module, information dissemination module, auxiliary modules, etc. The author presents the solutions scheme aiming at design and implementation of six modules.

Development of mobile phone application for real-time locating and messaging in open-pit mine

SUN Xiaoyu, ZHU Zixuan, TU Hongjian, WANG Shuo

2016, 31(7):  57-59. 

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Abstract: This article proposes an idea of locating, tracking and information communication based on mobile terminals, determines the system functions, and designs the key technology solutions on tracking and positioning, standardization information processing, communication guarantee. The corresponding products were developed based on the Android operating system, SQLite database, TCP / IP protocol, which gets good application effect.

Stability analysis and walking power check of mine large diameter drilling machine

SUN Shiliang, SUN Zhaohui, ZOU Wei, ZHU Youzhi

2016, 31(7):  60-63. 

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Abstract: The article carries out stability analysis calculation and walking power check on mine large diameter drilling machine walking system. The drilling machine walking system can meet the need of mine engineering work environment.

Prediction model for rotary drilling rigs drilling speed based on partial least squares regression

ZOU Wei, SUN Shiliang, WANG Kai, HOU Chengheng

2016, 31(7):  64-67. 

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Abstract： According to the multi-collinear problem which appears among the rotary drilling rigs drilling parameters in the process of establishing regression model, the article presents the idea of using partial least-squares (PLS) regression technology to predicate the drilling speed. Using PLS of quasi-linear method regression to analyze the drilling parameters of rotary drilling rigs in Shengli Open-pit Mine, the mine establishes a regression model with the linear effect, quadratic effects and interaction effects.

Application of information technology in construction project cost management

WU Di

2016, 31(7):  68-70. 

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Abstract: The article introduces the development of construction project cost management work, expounds the application of information technology in construction project cost management, and points out its advantages and disadvantages. Through improving the application of information technology, the company meets the requirement of the construction cost.

Improvement of energy efficiency technology of sewage station in welfare zone

LU Ning, MA Teng, LI Haoran

2016, 31(7):  71-74. 

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Abstract: Through the technical analysis and demonstration of the existing facilities in the sewage treatment station of welfare area, the mine finds out the problems during sewage treatment station operation, and presents the specific technical transformation and operation plan, which effectively solves sewage treatment capacity and the use of water standards and provides reliable guarantee for improving the recycling of water in mining areas.

Application of truck collision warning system based on GPS in Open-pit Mine

SHI Haiping

2016, 31(7):  75-78. 

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Abstract： Through analyzing the safety production status in Shengli Open-pit Mine, the author finds out the main causes of truck transportation accident, and designs the truck collision warning system based on GPS technology, which effectively curbs the occurrence of truck transportation accident has important significance to safety production in open-pit mine.

 

Research on treatment technology of landslide area in Open-pit Mine

WU Tao

2016, 31(7):  79-82. 

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Abstract: Taking the actual landslide of domestic open-pit mine as an engineering example, this article researched a new set of systematic landslide treatment technology. Using 3D laser scanning to measure and get point-cloud date of landslide area, with 3D design software to construct solid model, the author adopted the anti-analysis theory to calculate strength parameters of landslide area. Using limit equilibrium theory to determine the cleanup boundaries of landslide area, the mine formulated the landslide area cleanup procedure and recovery scheme which satisfied technology, economy and security.

 Prevention and control of cracks in aerated concrete wall

GUO Shiyou, ZHANG Yulei, ZHAO Chenyang, YU Shuo

2016, 31(7):  83-85. 

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Abstract: Autoclaved aerated concrete as structure exterior wall materials is widely used in energy saving buildings which conforms to the national energy conservation policy. This article analyzes the causes of cracks in aerated concrete application, summarizes the prevention and control measures of aerated concrete wall crack in the design and construction, which provides the reference for future engineering practice.

Application and analysis of structure anti-seismic concept design

HE Zhipeng

2016, 31(7):  86-88. 

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Abstract: The primary task of structural anti-seismic design is concept design, and improves the overall anti-seismic behavior of buildings. According to foundation design, site selection, structure system, vertical layout, component connection, the article analyzes the effect of concept design on anti-seismic capacity of buildings.

Employee career development management system in Shengli Energy Company

JIN Song

2016, 31(7):  89-93. 

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Abstract: Combining with the present situation of employee career development management work in Shengli Energy Company, based on the actual need of it, this  company improved designed the employee career development management, and rebuilt the employee career development ladder, qualifications, selecting assignment way, in order to make the further optimization on employee career development management system in this company.

Discussion on the process of enterprise contract management and the prevention of legal risk

ZHAO Wenli

2016, 31(7):  94-96. 

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Abstract: In order to prevent the occurrence of various risks, the enterprise establishes and implements a series of risk response strategies to effectively control risk contract. Combining with the actual work, the author analyzes and summarizes the contract management processes and existing risks and preventive measures, in order to play reference role.