Proceedings of the 2015 International Conference on Materials, Environmental and Biological Engineering
Session: Environmental and Civil Engineering
44 articles
Proceedings Article
Research on Seismic Reliability Analysis of Urban Water Supply Network
Fengxia Cong, Ying Zhao
The system of urban water supply network is an important part of the lifeline engineering. In the earthquake, the water supply network suffers devastating damage, and that will cause serious casualties and national economic losses. Moreover, China's water supply systems mostly are not formal seismic...
Proceedings Article
Environmental Impacts Research for Scroll Compressor Based on Life Cycle Assessment
Junli Shi, Zhanjie Li, Zhi Cao, Han Wang, Yuqi Lu, Yu Wang
This study intends to quantify the energy consumption and environmental emissions in the entire life cycle of a scroll compressor produced in a Chinese factory and to determine the stage with the largest environmental impact. The results show that energy consumption, CO2 and dust are three predominant...
Proceedings Article
Evaluation on Ecological Security of Hangzhou Urban Land based on BP Neural Network
Jiawei Ye
Take Hangzhou as an example, ecological safety evaluation of urban land provides the basis for promoting urban ecological security.21 indicators were chose to set up the evaluation system. By using BP neural network method, the study followed is trying to evaluate ecological security of urban land. The...
Proceedings Article
The Model Research of Urban Land Planning and Traffic Integration
Lang Wang
The urban spatial layout, traffic demand forecast, and traffic planning cannot work without the support of system science. There is the interaction between the urban spatial layout and the traffic demand. The former is the generating source of the latter, and the latter has a guiding role on the former....
Proceedings Article
Analysis on the Landscape Design in the Ecological Planning Concept
Xu-dan Zhou, Yue Qi, Hao Qi
The ecological garden is the inheritance and development of traditional garden experience; follow the principle of ecology, the construction of multi-level and multiple structures, multi-function plant community of science. To establish new order of the associated humans, animals, plants and ecological...
Proceedings Article
Pollution level and source of cyanide in Jiaozhou Bay, eastern China
Dongfeng Yang, Xinhuai He, Jie Gao, Aijie Xin, Feijuan Wang
In order to provided background material of cyanide pollution history of Jiaozhou Bay, this paper analyzed the pollution and source of cyanide inJiaozhou Bay in 1982. Results showed that Jiaozhou Bay had not been polluted by cyanide in 1982. The contents of cyanide in June and October in surface waters...
Proceedings Article
Enhancement of PAC addition for MBR treating micro-polluted water resource loading with 2,4,6-TCP
Quan Zhang, Wenyi Dong, Lei Liu, Rubing Han
In this investigation, the removals of pollutants especially 2,4,6-trichlorophenol by MBR and a simultaneous application of powdered activated carbon with MBR using flat sheet membrane were contrasted. The results displayed that both the two systems could effectively remove ammonia-N, total organics...
Proceedings Article
Experimental Research on Hysteretic Behaviors of Square Tubular T-joint
Peng Deng, Benbing Li, Huiling Wang, Qibiao Zhang
In order to study the failure modes and hysteretic behaviors of square tubular T-joints, three specimens were made to conduct the cyclic loading test. The test stimulated the constrain condition with hinge connection of both ends of chord member, and the brace was subjected to axial cyclic loading. Based...
Proceedings Article
Theory Research and Practice of Structure Safety Measures and Deformation Prediction in Goaf
Peng Deng, Lei Tai, Huiling Wang, Qibiao Zhang
Recently, coal mining in Jining has extended to the crowded cities and villages, bringing out the deformation of the rock in these areas, which leads to the damage of the civil and industrial buildings. Therefore, the ground surface deformation and the damage characteristics of the buildings have been...
Proceedings Article
Research on Construction Method of Agricultural Domain Ontology
Guoxia Yang, Ziyu Liu, Xiaomin Shen
Based on the two major methods for the construction of domain ontology, that is, ontology engineering and thesaurus-based ontology construction, this paper puts forward a construction methodology of agricultural domain ontology based on thesaurus. This paper details all parts of the methodology. Under...
Proceedings Article
Study on Modified mechanism of asphalt of PPA in conjunction with SBS
Yaodong Wu
Modified mechanism of asphalt of PPA in conjunction with SBS is studied on from the microscopic view by experiments. These experiments include four constituents fluorescence microscopy infrared spectroscopy and DSC. The results show that the proportion of asphaltene increase and the proportion of colloid...
Proceedings Article
Leakage Causes Analysis on a Boiler Enclosure Wall Superheater
Weiyong Li, Yaofang He, Xin Guan, Yanjun Meng
The leakage reasons for a boiler enclosure wall superheater were discussed based on experimental results of macro fracture observation, chemical composition analysis, metallurgical microstructure examination, SEM and EDS analysis. It was presumed that weld flaw firstly formed due to large weld process...
Proceedings Article
Durability research of C60 High-strength Mass Concrete Foundation Slab
Wen Yang, Hanyang Huang, Erbo Pang, Lei Qu
Combined with Wuhan Yongqing commercial zone slab requirements, the engineering application concrete mix ratio is determined by testing the durability and mixing optimization, finally realizing one-time continuous pouring 25000 m3 C60 High-strength Mass Concrete Foundation Slab and ensuring the engineering...
Proceedings Article
Carrying Capacity of Semi-Rigid Joint of Timber-Concrete Beams
Petr Agel, Kristýna Klajmonová, Antonín Lokaj, Roman Fojtík
The aim of this article is a presentation of the results of laboratory tests and numerical and analytical modeling of timber-concrete composite beams with semi-rigid joints made of steel plates and convex nails. Due to good quality of used materials, composite timber-concrete constructions are considered...
Proceedings Article
Pollution level of volatile phenols in surface water in a bay in Shandong Province, eastern China
Dongfeng Yang, Huazhong He, Sixi Zhu, Chuanyan Diao, Yi Wang
This paper analyzed the temporal and spatial distributions of volatile phenols in surface waters in Jiaozhou Bay in 1982. Results showed that the contents of volatile phenols in wet seasons were higher than in dry seasons yet were very low. Ocean current and overland runoff were major sources of volatile...
Proceedings Article
Environmental feasibility analysis of heating boiler energy substitution
Dan Ge, Xingyu Liu, Baiyu Gao, Tong Wang
The surplus power of Liaoning Province is very obvious, and a lot of spare capacity needs to be consumptive. Haze and other pollution in Liaoning Province take place frequently in winter, and winter heating is one of the major factors. The study found that the implementation of conversion coal to electricity...
Proceedings Article
The Necessity of energy alternative under the haze background
Dan Ge, Xingyu Liu, Baiyu Gao, Tong Wang
The haze is more and more serious environmental pollution in the city, how to reduce haze and even achieve energy conservation is currently a serious problem, energy alternative is a very feasible option. The study puts forward an energy alternative plan from the macro-policy and industrial environment...
Proceedings Article
The soil inorganic phosphorus distribution of vegetation-growing concrete substrate in the disturbed engineering area
Xin Ma, Wennian Xu, Zhenyao Xia, Yajing Wang, Shifeng Guan, Linlin Zhang
This work presents the field and experimental studies conducted in China Three Gorges University, Yichang City, Hubei Province that reveal the distribution of inorganic phosphorus in four vegetation concrete samples and one natural forest sample. Several results of these studies have general application...
Proceedings Article
Late Cretaceous Sedimentary Evolution Characteristics in Songliao Basin, Northeastern China
Chao Wang
Late Cretaceous Yaojia-Nengjiang Formation in Songliao Basin is a set of sedimentary formation with the integrated base level rising and falling. The oil shale, formed during the maximum flooding surface period at the bottom of K2n2, distributed steadily in the whole basin. The oil shale was not only...
Proceedings Article
Marine water quality assessment and comparison during major and minor tides in near sea area of Fujian Province
Yang Luo, Wanmin Ni, Ling Cai, Haining Huang, Liping Jiao
In order to evaluate the potential ecological risks of near shore area of Fujian Province, four surveys on marine water quality at 20 monitoring sites were carried out during the major and minor tides in the autumn of 2010 and the spring of 2012. The results showed that the background values of heavy...
Proceedings Article
Inside Surface Temperature Evaluation of Hollow Blocks Wall by Reduced Linear State Model
Ran Liu, Yan Gao, Jing Zhou
In this paper, a reduced state space model, based on linear model order reduction methods, is proposed. By this model, hollow block wall can modelling in multi-dimension, dynamic thermal properties can be described clearly, and the variation of internal surface temperature can be simulated accurately...
Proceedings Article
Research on the mechanism of Low pressure economizer wet fouling shape
Bingwen Zhang, Zhigang Zhang
Since there has been no feasible way to remove wet flue gas of coal heating surface fouling, modern coal technology forced to raise the temperature of flue gas emissions, keep the flue gas temperature above the dew point of the flue gas acid run, so the flue gas heat abandoned lead a lot of waste. Installation...
Proceedings Article
A Comparative Analysis of Environmental Quality Assessment Methods—a Case Study of Heavy Metal-Contaminated Soil
Zhichao Liu, Liangmin Gao, Ning Liu, Xiaoxiao Zhang
Four assessment methods (two pollution index and two fuzzy mathematical models) were employed to investigate the environmental quality of eight soils around a heavy metal contaminated site. From the results of analysis, comprehensive index model is more reasonable compared with the single-factor index...
Proceedings Article
Soil pollution of abandoned tailings in one zinc antimony mine and heavy metal accumulation characteristics of dominant plants
Xu Jin, Shaohong You
This paper analyzes heavy metal content in the soil of abandoned tailings and dominant plants, and absorption and bioconcentration capability as well as cumulative characteristics of the four kinds of dominant plants such as Phragmites australis, Typha angustifolia, Miscanthus sinensis, Equisetum fluviatile...
Proceedings Article
Ore prospects of Heibei Quzhou based on aeromagnetic anomalies
Qiankun Liu, Rong Yang
Hebei Quzhou aeromagnetic anomalies is located in near Handan Iron ore concentration area, Through the anomaly area geological structure characteristics, rock ore property and magnetic anomaly characteristics of comprehensive study, that it has the potential to Quzhou aeromagnetic anomalies further search...
Proceedings Article
Research on Method of the Heavy Traffic Airport Cement Concrete Pavement Thickness Design
Wei Wu, Jianwu Wang, Chao Zhang, Qingkun Yu
This paper describes the traditional design methods for airport pavement thickness and noted deficiencies, and pass through the cumulative damage theory - coverage of theory, the choice of NCHRP 1-26 fatigue equation is proposed for heavy traffic airport cement concrete pavement thickness design methods.
Proceedings Article
Applied Research of Tops is Technology in Contaminated Soil Remediation
Fei Lu, Jingpo Yang, Jianmei Luo, Jing Chen
Multi-objective decision making method can make the evaluation process with intuitive and transparent, easily accepted by the people; rules of its evaluation process and realistic simulation calculation it will help to reduce the decision-making errors; multi-objective decision may also apply to group...
Proceedings Article
Research on Prediction and Engineering Application of Deep Mining Rock burst in Metal Mine
Hongsen Luo, Li Chao
Rock burst in metal mine has been the main problem which interferes with mining working at depth. And its corresponding formation mechanism is so complicated that the rock burst theory cannot come up with the practical engineering research. So it is necessary to establish the corresponding geological...
Proceedings Article
Parameter Design for Viscous Dampers to Near-fault Cable-stayed Bridge Based on Equivalent Damping Ratio
Yongfu Huang, Yan Xu, Jianzhong Li
In order to investigate the simplified design method for damper installed on cable-stayed bridge in near-fault zones, this paper proposed two-particle model for cable-stayed bridge and established the differential equations of motion. Parameter design formula for linear viscous damper is derived based...
Proceedings Article
Investigation and protection of drinking water source environment status of Yulin in Guangxi City
Xiuu Bu, Jinsong Guo, Guangqing Zeng, Yazi He, Jie Liao
In recent years, environmental protection and management of drinking water sources have aroused widespread concern in the community. In this paper, firstly introduce the basic information of the water source; secondly analysis the reserve source of pollution status of drinking water and evaluation; in...
Proceedings Article
Regional Energy Efficiency and Energy Saving Potential Analysis based on Slack-Based Measurement Approach
Miao Hu, Yage Wang
This paper is committed to study Chinese provinces energy efficiency and energy saving potential, trying to provide decision-making information for China’s emission reduction targets and policy formulation. For this purpose, this paper chooses slack-based measurement DEA model, improved to a standard...
Proceedings Article
The influence of contact type of Composite Bridge Deck pavement on stress in pavement interface
Hu Wang, Fei Han
In order to study the stress distribution law of simply-supported bridge deck pavement the finite element software ANSYS is used to building the overall structure model of the composite bridge deck. The huge difference of materials of interface of concrete cushion layer and asphalt pavement layer in...
Proceedings Article
Land Surface Temperature Remote Sensing Inversion of Black Soil Area and Spatial Variation Analysis based on Landsat TM6
Guang-yu Zhang, Wei Shen, Zhao-zhuo Ouyang, Fu-chao Na, Fang Yang
Using Chagan Lake area as the study area and based on the DN value of sixth band of the Landsat 5 TM image of the region in 2011, this paper uses mono window algorithm to inverse the real surface temperature of the study area under the regional thermal radiation condition and curtained atmospheric transmissivity...
Proceedings Article
Evaluating Horizontal Multistage Fracture Well Placement in Low Permeability Reservoir
Chang Wang, Yuan Yu, Zhi Zhou
Well spacing is a critical factor to figure out when planning to drill new wells in low permeability reservoirs. In this paper, horizontal multistage fractured well spacing is optimized for several scenarios in H reservoir using PEBI grips. To find the optimum well spacing, sensitivity analyses are carried...
Proceedings Article
The Analysis and Evaluation for the Development Environment of Yangluo Port
Mei Zhang, Chengxuan Cao
The development environment of Yangluo Port will influence the port’s development strategy. This paper applies the Fuzzy Analytic Hierarchy Process (FAHP) to the evaluation of port’s development environment, and provides a mathematical model about it, then gives the formula of weight. Through making...
Proceedings Article
Curve analysis of shear lag effect of box girder bridge
Hongtao Yang, Rui Li, Zhiqiang Chen
The beam element, solid finite element models are established in this paper, which are studied the effects of different curvature radius to the shear lag effect in curved box girder. The analysis results show that the inner side and the outer side of the shear lag coefficient of curved box girder bridge...
Proceedings Article
Study on Development Prediction and Evaluation Model of New Energy Wind Power
Yanli Hu, Jun Liang
In the 21st century, energy demand has become a global problem, China's wind power energy jumps forward from start to large-scale development and its use also shows the characteristic of diversified development and thus requires the research of its related technology and personnel to ensure that the...
Proceedings Article
Preliminary studies on occurrence of middle-season rice high temperature damage in Southwest China in past 50 years
Yan Wang, Li Fan, Yongkun He
Frequent high temperature has become an important agricultural meteorological disaster to the middle-season rice yield and quality in southwest China where has hot rainy season and obviously three-dimensional climate. This paper analyses the meteorological data of more than 70 weather stations in southwest...
Proceedings Article
Environmentally friendly road asphalt mixtures
Ján Mandula, Brigita Salaiová, Peter Orolin, Marián Dubravský, Tomáš Olexa, Olga Frolova
In recent years, roads are deteriorated due to increasing traffic volumes, and they require extensive reconstruction which should be environmentally friendly. This can be done by using new additives and waste and recycled materials in road construction. Recently developed warm mix asphalt technology...
Proceedings Article
Research on Rigidity Distribution between Arch and Girder for Tied Arch Bridges with Trough Girder
Xun Wu, Xin Yuan
In order to explicitly specify the force characteristics of tied arch bridge with trough girder, this paper focus on the tied arch bridge vertical stiffness analysis under different rigidity distribution between arch and girder. The paper based on a tied arch bridge with trough girder which the span...
Proceedings Article
Study on Tied Arch Bridge with Through Girder Design
Xun Wu, Hui Li, Zhichao Zhang
Tied arch bridge with trough girder mainly consists of girder, arch rib, suspender and prestressed steel bares for its superstructure. In terms of its overall mechanical performance, there are many factors affecting its mechanical performance.The factors are main girder section form, arrangement of prestressed...
Proceedings Article
Pavement performance research on asphalt mixture of AC-13C with Lucobit
Yemao Zhang, Kun Wang
To study the gradation applicability of Lucobit modifier and make it adapt to China's basic national conditions well, the gradation of AC-13C was selected to research pavement performance in this text. The mix design of AC-13C without Lucobit is researched first. And then the performance of AC-13C is...
Proceedings Article
Study on asphalt pavement pothole structure based on finite element
Weiqi Zhou, Xinhe Li, Kun Wang
With the help of ABAQUS and its subroutine DLOAD calculated the asphalt pavement response of different pothole area and combination of pavement structural from moving load. So as to arrive the law of development to pothole and the best combination of pavement structure to resist the pothole .Results...
Proceedings Article
The model test about silty clay’s deformation as water pressure decreasing
Gangchen Sun, Jianbing Peng, Xiaohan Sun
The main compression layer of Xi’an is over-consolidated. Based on the property, the physical model is designed as a steel cylinder which is 2.5m diameter,3m high. The soil layers are inter-bedded with silty clay and medium-fine sand. The consolidation pressure and overburden pressure is 295KPa. The...