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	1. An Health Impact Assessment Model of Building
	LI Xiaodong,KONG Xiangqin,GAO Yuanxue
	Civil and Architectural Engineering 02 January 2011
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	Abstract:To assess the life cycle health impact of the building objectively, this paper presents a building health impact assessment (HIA) model. Based on the life cycle assessment (LCA) theory, the model classifies the health impact of the building into three categories: global warming, respiratory effect and carcinogenesis. In each category, the link between an emission and the consequent potential damage is established by four procedures: fate analysis, exposure analysis, effect analysis and damage analysis. Furthermore, a set of databases needed in each procedures is developed. The paper is offering a general overview of how to identify and assess the health impacts of the building quantitatively. This model can be used as a tool for project manager to make environment-friendly decisions in construction plans.
	TO cite this article:LI Xiaodong,KONG Xiangqin,GAO Yuanxue. An Health Impact Assessment Model of Building[OL].[ 2 January 2011] http://en.paper.edu.cn/en_releasepaper/content/4403273


	2. Environmental Impact Assessement of Earthwork Activity
	LI Xiaodong,KONG Xiangqin,ZHANG Zhihui
	Civil and Architectural Engineering 02 January 2011
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	Abstract:With the aim to establish an integrated and objective model applicable to green earthwork assessment just at the pre-construction state, this paper focuses on the application of life-cycle assessment theory and methods to the qualitative analysis of resources and energy input-output effect and pollutants emission impact during the earthwork phase. The study gives the outline of this model include the units works breakdown technique, the input-output analysis of units and the assessment procedures. It's expected that the paper can offer us a general overview how to identify and quantitative assess the environment impacts during the earthwork phase, by which, a pre-control plan for green construction can be easily established.
	TO cite this article:LI Xiaodong,KONG Xiangqin,ZHANG Zhihui. Environmental Impact Assessement of Earthwork Activity[OL].[ 2 January 2011] http://en.paper.edu.cn/en_releasepaper/content/4403270

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	3. Theoretical and experimental research on GPS multipath effects
	Zhang Yongheng,Yi Tinghua
	Civil and Architectural Engineering 15 December 2010
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	Abstract:The theoretical and experimental studies on multipath effect were carried on. A set of simulating and monitoring system for GPS multipath signals was established, and the continuously two-day-long GPS monitoring data were obtained by means of placing reflecting objects at different heights and distances from the receiver antenna. The improved particle filtering algorithm is the first time being used in the GPS data post-processing. The results indicates that the improved particle filtering algorithm can effectively eliminate the GPS receiver's system noise, and the correlation of continuously two-day-long multipath signals after denoising has the large scale enhancement compared with before denoising.
	TO cite this article:Zhang Yongheng,Yi Tinghua. Theoretical and experimental research on GPS multipath effects[OL].[15 December 2010] http://en.paper.edu.cn/en_releasepaper/content/4397907


	4. Performance of Circular CFST Column to Steel Beam Frames under Lateral Cyclic Loading
	Han Linhai ,Wang Wenda ,Tao Zhong
	Civil and Architectural Engineering 09 December 2010
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	Abstract:This paper presents the study on the behavior of composite frames with circular concrete filled steel tubular (CFST) columns to steel beam. Six composite frames were tested under a constant axial load on the CFST columns and a lateral cyclic load on the frame. Each frame specimen consisted of two CFST columns and a steel beam to represent an interior frame in a building. A finite element analysis (FEA) model was developed to investigate the behavior of the composite frame. The results obtained from the FEA model were verified against those experimental results. Detailed analysis was carried out on longitudinal stress in steel beams, axial stress distribution in concrete, concrete stress along the column height and at the connection panel. Parametric studies were conducted to investigate the influence of axial load level, beam-to-column linear stiffness ratio on the structural behavior of composite frames. A simplified hysteretic lateral load versus lateral displacement model was proposed for such composite frames.
	TO cite this article:Han Linhai ,Wang Wenda ,Tao Zhong . Performance of Circular CFST Column to Steel Beam Frames under Lateral Cyclic Loading[OL].[ 9 December 2010] http://en.paper.edu.cn/en_releasepaper/content/4396432


	5. Study on Grouting and Bolting Reinforcement Method and Its Application to Collapse Area in Transport Roadways
	QIAO Lan,SUI Zhili
	Civil and Architectural Engineering 06 December 2010
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	Abstract:The grouting and bolting reinforcement method is widely used for ground support in underground mines. In the present study, the rock support mechanism of grouting in combination with bolting device is studied, and subsequently the key technical issues associated with this support approach are analyzed. Based on a practical case of the collapse area of the main transport roadway at a underground mine in China, a systemic support design is proposed and used to control the development of collapse area. Meanwhile, a 3D numerical modeling with FLAC3D is utilized to simulate the stability of surrounding rock mass after supporting. By calculating the displacement of surrounding rock and the change of maximum unbalanced forces, the stability of the collapse area of the roadway has a great improvement after applying the grouting and bolting reinforcement method, and the operation safety of the transport roadways can be guaranteed effectively.
	TO cite this article:QIAO Lan,SUI Zhili. Study on Grouting and Bolting Reinforcement Method and Its Application to Collapse Area in Transport Roadways[OL].[ 6 December 2010] http://en.paper.edu.cn/en_releasepaper/content/4395429


	6. In-situ Liquefaction Evaluation Based On CPT Testing
	QIAO Lan,GAO Wen
	Civil and Architectural Engineering 06 December 2010
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	Abstract:To improve handling capacity of ports, expansion of land by reclamation along the coast is becoming more prevalent in many ports, such as the Jeddah Islamic Port, Saudi Arabia. There usually exists liquefaction potential of thick and soft clay deposits which needs to be eliminated. Here, the in-situ liquefaction potential is evaluated using CPT.
	TO cite this article:QIAO Lan,GAO Wen. In-situ Liquefaction Evaluation Based On CPT Testing[OL].[ 6 December 2010] http://en.paper.edu.cn/en_releasepaper/content/4395423


	7. Optimization of the architectural design for natural ventilation in residences using CFD
	Jin Ming ,Li Baizhan
	Civil and Architectural Engineering 24 June 2010
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	Abstract:In order to achieve more efficient natural ventilation and better indoor environment in residences, this paper utilizes numerical simulation to explore the optimization of residential architecture design. In case study, the natural ventilation efficiency of a residence in Chongqing is evaluated by quantitatively analyzing the fields of air velocity and PMV from CFD simulations results, which are validated by field measurements. The analysis shows that the natural ventilation is efficient in the living room, but inefficient in some other rooms. In view of this, some feasible alternative configurations without major changes in the building structures have been studied, including different styles of windows and door positions. It is found that the optimized design could improve the indoor environment by reducing the dead zone and increasing thermal comfort zone. Finally, some architectural design suggestions on the doors and windows in natural ventilated residences are put forward.
	TO cite this article:Jin Ming ,Li Baizhan . Optimization of the architectural design for natural ventilation in residences using CFD[OL].[24 June 2010] http://en.paper.edu.cn/en_releasepaper/content/4377002


	8. A prototype of 4D simulation and information flow-based construction schedule management system
	Jin Ming ,Li Baizhan
	Civil and Architectural Engineering 23 June 2010
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	Abstract:This paper proposes a prototype of a construction schedule management system based on 4D simulation and information flow technologies. As a branch of Building Information Model (BIM), this system integrates the systems of IDEF0v information flow modeling, Design Structure Matrix (DSM) optimization and Virtual Reality (VR) simulation. Apart from visualize the construction process with 4D simulation, as most normal BIM schedule management systems could, the proposed system could also optimize the construction schedule with the information flow modeling and DSM optimizing, and allow the construction managers to make dynamical adaption and optimization to the schedule according to the differences between planned and real process. This system could help the construction managers supervise and control the construction schedule with information and visualization-based schedule simulation model in the whole process of construction project.?????
	TO cite this article:Jin Ming ,Li Baizhan . A prototype of 4D simulation and information flow-based construction schedule management system[OL].[23 June 2010] http://en.paper.edu.cn/en_releasepaper/content/4376990


	9. Adsorption of Nickel on Chinese Loess in Aqueous Solution
	WANG Yan,TANG Xiaowu,HE Xi
	Civil and Architectural Engineering 13 May 2010
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	Abstract:Nickel is a trace element that has severe toxic effect to living organisms. The loess soil from Chinese Loess Plateau was investigated to remove Ni(II) from aqueous solution. Batch tests were carried out and the appropriate loess dosage was determined to be 10 g L-1. The Freundlich model was found better to describe Ni(II) adsorption on loess soil than the Langmuir model. The adsorption capacity of loess soil towards Ni(II) was 16.71 mg g-1, and loess is a potential appealing adsorbent for removing heavy metals. Clay minerals and organic matter both play important roles in removing Ni(II) from aqueous solution.
	TO cite this article:WANG Yan,TANG Xiaowu,HE Xi. Adsorption of Nickel on Chinese Loess in Aqueous Solution[OL].[13 May 2010] http://en.paper.edu.cn/en_releasepaper/content/4372234


	10. Preparation of chloride ion selective electrode and its potential response to different chloride solutions representing concrete environments
	Gao Xiaojian,Zhang Jian,Yang Yingzi
	Civil and Architectural Engineering 13 April 2010
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	Abstract:Ag/AgCl electrode was made from anodized Ag wire and the influence of anodization current density on stability of Ag/AgCl electrode was studied in this paper. Potential response of Ag/AgCl electrode was tested in synthetic concrete pore solutions with different concentrations of chloride ions and influences of sulfate, calcium, potassium and sodium ion on the potential response of Ag/AgCl electrode were also measured. The results show that Ag/AgCl electrode has the best potential stability when it is prepared with 0.4 mA/m2 of current density for 2 hours and there is no measurable potential difference among 20 electrodes prepared with such anodizing condition. The potential of Ag/AgCl electrode develops to a constant value in less than 60 seconds and maintains stable during the test period when immersed into synthetic concrete pore solution with different amount of chlorides. Ag/AgCl electrode shows a good linear potential response to a wide range of chloride concentrations from 0.005mol/L to1.0mol/L. Sulfate, calcium and sodium ions show inconsiderable influences on the potential of Ag/AgCl electrode. Therefore, it is suggested that Ag/AgCl electrodes can be used as chloride sensors in concrete exposed to different environments.
	TO cite this article:Gao Xiaojian,Zhang Jian,Yang Yingzi. Preparation of chloride ion selective electrode and its potential response to different chloride solutions representing concrete environments[OL].[13 April 2010] http://en.paper.edu.cn/en_releasepaper/content/41880

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