CHEN Zhong- lin , WENG Ji , HU Ying- kui , ZONG De -xin
2006, 28(4):1. DOI: 10.11835/j.issn.1674-4764.2006.04.001
Abstract:In order to establish the relationship between subjective sense and physical measurement in lighting engineering, the qualitative and quantitative analyses are connected through generalized Weber - Fechner Law. For practical application problems of lighting engineering, a proximate function of subjective sense deduced from physical measurement is brought forward. The experiment in advertising lighting shows that the result of this function is more exact and more closely to the practice than others. Using this proximate function, the illumination level, corresponding to given satisfaction level, can be found. In other words, the physical measurement corresponding to given subjective sense can be evaluated by using this proximate function, accordingly the design of lighting project can be directed reasonably.
ZHANG Xing - guo , LIN Cong - hua
2006, 28(4):4-7. DOI: 10.11835/j.issn.1674-4764.2006.04.002
Abstract:In the light of the field investigation on Bashu Cliffside Carvings with Cliffside Sculpture and Cliffside Buddhism Temple as the main stream and the analysis of historical documents,this paper intends to show the distribution laws and the shape characteristic of Bashu Cliffside Big Buddhist Grotto.It also points out the cultural connotation of religious architecture presented by the Bashu Cliffside Buddhist Grotto matched with the nature and the temples.
LI Juan , Wang Da- wei , LU Qi
2006, 28(4):8-11. DOI: 10.11835/j.issn.1674-4764.2006.04.003
Abstract:Based on the function orientation of the new towns in General Planning for Beijing Municipality(2004-2020) and the condition of future economic growth and labor force demand,this paper makes a population prediction of Changping using edge-glide algorithm.It is pointed out that the population amount will decline under natural population growth,from 515 thousand in 2000 to 489 thousand in 2020.Along with the population and industry transfer from center of the municipality to outer district,the new town will have strong impact on function remission of the central city area and the population will increase rapidly in Changping.It is predicted that there will be increase of 520-630 thousand in Changping from 2000 to 2020.So it's important to take measures to meet the requirement of population growth and alleviate the function of city zone.
2006, 28(4):12-16. DOI: 10.11835/j.issn.1674-4764.2006.04.004
Abstract:Taking ancient Dachang Town as an example, this paper first points out the particular value of the ancient town and introduces briefly its actuality, and then elaborates the fact that Dachang Town will he rebuilt in other place owing to the construction of Three - gorges project. Finally, this paper expounds how to preserve and keep the traditional style and features in its rebuilding layout and architectural design.
2006, 28(4):17. DOI: 10.11835/j.issn.1674-4764.2006.04.005
Abstract:The mountainous area construction in city and the traffic way of walk is unified into the common organism through the reasonable way. This arcticle elaborates this unique space culture of the mountainous area city emphatically, and summarized six sorts of paragenesis, and provides the basis for the walk space design of mountainous area.
2006, 28(4):20-23. DOI: 10.11835/j.issn.1674-4764.2006.04.006
Abstract:This article sets forth some phenomena occurring in the Architecture domain.It indicates that the Chinese Architectural circle is in the Stop-Suckle period of spirit.The reason for such phenomena enumerated above is analyzed from the aspects of particularity of the era and cultural language circumstance,as well as the impact of mass-culture with the emphasis on the effect of Mass culture.Analysis on the advantage and disadvantage of the overspreading of Mass culture was carried out and it is pointed out that mass-culture overspreading into Architectural culture is a double-edge sword.It has good influence as well as bad one,there should be correct guide to the mass culture to avoid its unfavorable effect.
WANG Hai , WANG Zhi-qiang , LI Chen , SHENG Ke-rong
2006, 28(4):24-29. DOI: 10.11835/j.issn.1674-4764.2006.04.007
Abstract:Web Services is a service-oriented structure and which is really platform-independent and language-independent.In this paper, its system and key technology are analyzed,then aiming at the main problems in information sharing of urban planning information system(UPIS),a UPIS integration framework based on the Web Services is proposed and its principle is studied.Furthermore,an example with realization of UPIS system by ASP.NET in Visual Studio.NET is given.
2006, 28(4):29-33. DOI: 10.11835/j.issn.1674-4764.2006.04.008
Abstract:In this paper,first,three assessment systems for green building,namely the LEED(USA) and GOBAS(China) are compared with CASBEE(Japan) in respect of central concepts,mark of evaluation and result of assessment.It is expected that this research of assessment systems could be helpful to designers of architecture in different specialties.Secondly,in this paper these three assessment systems are analyzed from the position of design work.In the end,it is pointed out that to compile a design-oriented handbook for green building design is the new domain of the assessment system for green building.
WEN Cen , CHEN Jing - qiu , CHEN Ming - dong
2006, 28(4):34-37. DOI: 10.11835/j.issn.1674-4764.2006.04.009
Abstract:The numerical model,which combines the two-dimensional river model and ship maneuvering mathematical model,is built.The influence of Nanjing Fourth Bridge to be built across the Changjiang River on river's condition is studied.The change of river conditions around the Bridge pier is analyzed and the tracks of ship transit along the reach of the Changjiang River are simulated for the cases of before and after building the Nanjing Fourth Bridge.The parameters of navigation in sail course have been obtained.The result shows that the influence on rivers condition of the Nanjing Fourth Bridge on Changjiang River is very small,and its influence on navigation is not significant.
ZHONG Zu - liang , LIU Xin - rong , LIANG Ning - hui , QU Wan - bo
2006, 28(4):38-41. DOI: 10.11835/j.issn.1674-4764.2006.04.010
Abstract:In this paper,the peak particle velocity and main vibration frequency are put forward as a monitoring measure of blast vibrations based on the analysis of blast vibrations damage to the structure.In this paper,the damage criteria and the safety standards of vibration in some countries are shown.In addition,this paper analyzes the influence factors of the blast and give suggestions on effective control of the blast.
CHEN Tie - bing , TAN Ye - ping
2006, 28(4):42. DOI: 10.11835/j.issn.1674-4764.2006.04.011
Abstract:对于大跨度柔性斜拉桥的设计和结构分析来说,考虑结构几何非线性效应进行静力分析是一项重要的内容。但是,材料、几何尺寸、外部荷载等的随机性将影响计算结果。本文基于神经网络提出了斜拉桥非线性随机静力分析方法。通过若干次确定性有限元数值抽样对神经网络训练,训练后的神经网络能够模拟随机变量与结构响应之间的非线性映射关系。算例研究表明,各种随机变量的变异对斜拉桥结构响应影响规律不同。同其他随机变量相比,斜拉索弹性模量变异对斜拉桥跨中挠度影响最显著。主梁截面面积变异对斜拉桥跨中挠度和尾索索力具有显著的影响。
CHEN Li - gang , YUAN Jian - dong , LI Xiao - dong , GAO Li - tang
2006, 28(4):47-50. DOI: 10.11835/j.issn.1674-4764.2006.04.012
Abstract:通过对四种常用的预应力钢丝在不同温度下的强度和变形试验,分析了各种预应力钢丝在20~600℃范围内的应力-应变曲线、弹性模量等方面的力学性能,给出了相应的计算公式。
LIU Zhang - jun , QU Jun - tong , LEI Jin - sheng
2006, 28(4):51-55. DOI: 10.11835/j.issn.1674-4764.2006.04.013
Abstract:An indoor experiment on explosive compaction of saturated sand has been done.The changes of pore water pressure during blasting are measured and the laws of pore water pressure increment and dissipation are analyzed.It indicates that the processes of increment and dissipation of pore water pressure have particularity along the depth and radial.At the same time,the development rule of liquefaction under explosive loading is also analyzed;these conclusions obtained in the experiment,may provide some useful references for the engineering design and the theoretic study of explosive compaction for water-saturated granular foundation.
DU Xin - xi , LUO Shun - xin , CHENG Xiao - yan , SHI Hao
2006, 28(4):56. DOI: 10.11835/j.issn.1674-4764.2006.04.014
Abstract:Considering the large negative bending moment at the end of frame beam and low tensile strength of concrete,a new composite steel-concrete frame beam(CSCFB),reinforced by a T shape steel beam at the negative bending regions,was brought forward.Through two full-scale of single-layer CSCFB frame models experiment,the load-displacement curves of CSCFB and strain distribution at cross section were obtained.Compared with the ordinary composite beam,the T shape reinforcing section can enhance the beam stiffness effectively,and make it distribute reasonably.The segment flexural rigidity method is presented and validated.
SHI Chang - ying , MA Wen - ying , LI Zhan - bin , ZHU Fa - sheng
2006, 28(4):59-62. DOI: 10.11835/j.issn.1674-4764.2006.04.015
Abstract:在基于层次分析法(Analytic H ierarchy Process,简称AHP)的土壤侵蚀影响因子控制方案选择的基础上,首次利用层次分析模型(Analytic H ierarchicalModel,简称AHM)方法对影响土壤侵蚀的因子进行了定量分析。结果表明,应以现代加速侵蚀指标方案来控制土壤侵蚀,从而达到有效控制土壤侵蚀、发展生产、能动地改造自然的目的。为工程决策提供了有力的支撑,有利于促进土壤侵蚀和水土保持的可持续发展。
XU Shu- ping , LIU Zu- de , FAN Hong
2006, 28(4):63-67. DOI: 10.11835/j.issn.1674-4764.2006.04.016
Abstract:According to the fact that the undrained shear strength decreases in the field vane test,applying the cylindrical expansion theory and assuming that the saturated soft clay satisfies Tresca yield criterion,the disturbance degree function D is given on the basis of the sensibility of saturated soft clay.Considering that the undrained shear strength is the linear function of the disturbance degree D in plastic region,the elastic-plastic solution of the cylindrical expansion has been gained.
LI Jing , YIN Jian -jun , WANG Wei -feng , JIA Xin -lei
2006, 28(4):68-71. DOI: 10.11835/j.issn.1674-4764.2006.04.017
Abstract:In this paper,the simulation calculation of Weisheng River Bridge was firstly conducted.Based on it,the measuring points and methods for stress measuring and calculation approach for real stress were introduced.The measured results matched the calculated results very well.Stress measuring during the construction monitoring can serve as references and guides of the structural situations during the different bridge construction process.
HUANG Yong- zhou , ZHAI Jun , HE Qiang , KANG Min- chun
2006, 28(4):72-75. DOI: 10.11835/j.issn.1674-4764.2006.04.018
Abstract:通过试验,研究了新型曝气生物滤池对城市生活污水的处理效果,考察了水力停留时间(HRT)和温度等的影响。结果表明,曝气生物滤池试验装置在流量为25.2~72 L/h、含氧量为2~4 mg/L、水温为10~25℃时滤池水中COD和SS的去除率为85%和95%。
FU Chun - ping , ZHONG Cheng - hua , DENG Chun - guang
2006, 28(4):76-78. DOI: 10.11835/j.issn.1674-4764.2006.04.019
Abstract:通过对三峡库区底泥总氮、总磷(TN、TP)释放特性研究,分析了水溶液电导率对底泥TN、TP释放的影响及其原因,得出了水溶液的电导率在257~2012μs/cm范围内,对底泥TN、TP释放的影响曲线。同时说明了三峡库区底泥TN、TP对库区水质存在的危险性,为三峡库区富营养化治理提供参考。
GUO Jin -song , ZHANG Yong- dong , FANG Fang , LONG Man , LONG Tian- yu , LI Long- jian
2006, 28(4):79-82. DOI: 10.11835/j.issn.1674-4764.2006.04.020
Abstract:This paper introduced FLUENT CFD simulation software and based on this software, the numerical modeling of the rotational flow sedimentation tank is set up and calculated. The separation efficiency curve and accumulation efficiency curve have been obtained and the deposition character inside the rotational flow sedimentation tank is shown. The conclusions given in this paper are valuable to the further improvement of the rotational flow sedimentation tank design.
YING Wen , WENG Ji , DU Chun - lan , YAN Wen - tao
2006, 28(4):83-86. DOI: 10.11835/j.issn.1674-4764.2006.04.021
Abstract:Based on the actual situation that there is shortage of water,existence of many dry ditches,over-use of the underground water and the water pollution in the downtown of Jiaozuo city,in this paper,with comprehensive application of the multi-eco technologies such as comprehensive water-handlings and artificial wetland water purifications,the preservative strategies for the surface water and underground water together are put forward to optimize the water cycling,which can on the one hand reduce the contradictories in the water surroundings of the downtown,and on the other hand improve the landscape of dry ditches and sunk areas.
CAI Hua- shuai , PENG Xu -ya , LI Ming , WU Zheng- song
2006, 28(4):87. DOI: 10.11835/j.issn.1674-4764.2006.04.022
Abstract:Through selecting the index of MSW compost quality and establishing the evaluation grades of index, an evaluation system with the method of fuzzy mathematics has been framed in this paper. Then, based on the assessment of single factor and comprehensive effects of different factors, in this paper, the experimental data are taken for example to evaluate the MSW compost quality. The result shows that this method is successfully applied and also can be used as a simple useful method to the evaluation of MSW compost quality.
2006, 28(4):90-93. DOI: 10.11835/j.issn.1674-4764.2006.04.023
Abstract:Securitization of housing mortgage as a form of finance innovation in China develops well abroad while there are many obstacles and risks during its implementation in China.This paper discusses the message asymmetry in the risk and how to deal with it.
2006, 28(4):98-100105. DOI: 10.11835/j.issn.1674-4764.2006.04.025
Abstract:Political risk is one of the common risks in international construction projects, the political risk is analyzed in this paper and an evaluation model of political risk in international construction projects is presented based on BP algorithm, The model is a self- study and self- adaptive one in risk evaluation. Through the simulation study with practice data, with this model the cost improvement of international construction projects can be predicted in political risks exactly, it is useful in evaluating the comprehensive political risk.
LIU Jun , YU Qing , TANG Wei , WANG Shu -qin , YANG Nan , FANG Dong- ping
2006, 28(4):101-105. DOI: 10.11835/j.issn.1674-4764.2006.04.026
Abstract:建筑农民工为我国经济快速发展做出巨大贡献的同时,窘迫的生活状况和艰苦的工作条件却一直影响着他们的职业安全与健康。在2003年至2005年对北京地区近三千名建筑农民工进行调研访谈的基础上,分析了北京地区建筑农民工的生活和工作状况发展趋势,并验证其状况的改善能够提高建筑安全水平,最后提出若干建议,为制定有关政策法规和标准提供参考。
WU Xue -wei , REN Hong , KANG Zhuang
2006, 28(4):106-109113. DOI: 10.11835/j.issn.1674-4764.2006.04.027
Abstract:Audit takes a unique status and has obvious function in financial surveillance system.The Audit is used to superintend the factuality,validity and virtue of fiscal and financial income and expenses.In the renewed China Audit law the functions and status of official audit have been intensified,and the qualification and status of Audit department as executing office is confirmed.This paper analyzed the official construction project audit's function and legal status.
2006, 28(4):110-113. DOI: 10.11835/j.issn.1674-4764.2006.04.028
Abstract:As one of the key factors affecting the real estate,the development investment exerts leading influence on the real estate industry,which has become the pillar industry in the economic development of China.This paper aims to show the evolution route,the inner rule and the mechanism of the cyclic fluctuation of the real estate investment in China,and to give a reasonable short-term forecast of the investment based on the establishment of the ARIMA model,in order to contribute to a nicer performance of the industry in the future.
2006, 28(4):114-117. DOI: 10.11835/j.issn.1674-4764.2006.04.029
Abstract:The value-at-risk(VaR) model is a statistical model to estimate and control financial risk,and used to measure the most probable loss on the next deal stage of financial asset portfolio.Based on the principle of the value-at-risk,in this paper the value-at-risk is to be applied to the risk evaluation of construction project.Assuming the sub-project prices abide by the BQ model are random variable which conform to normal distribution,this paper has built up the portfolio of project according to biding and quoted price of construction project,and adopted the variance-covariance method to measure the value-at-risk of the biding and quoted price in order to provide a feasible risk analysis tool for the evaluation of construction project bidding.
YE Jian - xiong , YANG Chang - hui , ZHOU Xi , CHEN Ke
2006, 28(4):118-120. DOI: 10.11835/j.issn.1674-4764.2006.04.030
Abstract:The influence of three kinds of additives: silica fume,slag and fly ash on the sulphate attack resistance of concrete were studied.The experiment results show that these three kinds of additives can improve sulphate attack resistance of the concrete and the order of their efficiency from high to low is silica fume,slag and fly ash;the development of mortar expansion value is closely related to the degree of sulphate attack resistance of the concrete;integrated assessing two concrete properties: mortar expansion value and compressive strength ratio can more exactly assess the sulphate attack resistance of the concrete.
ZHOU Shi - hua , HUANG Jia - mu
2006, 28(4):121-124. DOI: 10.11835/j.issn.1674-4764.2006.04.031
Abstract:The existence of ettringite in sulphoaluminate cement hardened paste is mainly in the form of pole-like crystal,which causes unfavorable effect on the cement.In this paper the strength and microstructure of the sulphoaluminate cement containing ultra-fine CaCO_3 weze discussed.Experimet results show that the strength of sulphoaluminate cement was obviously improved by adding 3% of ultra-fine CaCO_3.After curing for 28d,the compressive strength of cement paste and mortar is 100.6MPa and 94.1MPa respectively,and the bending strength of the mortar reached 12.5MPa.SEM study on hardened paste of sulphoaluminate cement containing ultra-fine CaCO_3 showed that its structure was dense and homogeneous,there was hardly any massive crystall detected.
GONG Qi - yi , LIU Yong - hua , ZHOU Yue - sheng , DAI Xue - feng , ZHAO Chao - hou
2006, 28(4):125-127. DOI: 10.11835/j.issn.1674-4764.2006.04.032
Abstract:The importance of indoor air quality and the effect of volatile organic compounds(VOC) on human health are discussed in this paper,TVOC as a measurement for evaluation of VOC and the VOC pollution control methods and technology for indoor air are also presented.
2006, 28(4):128-131. DOI: 10.11835/j.issn.1674-4764.2006.04.033
Abstract:With the implementation of the policy for house monetarization,the real-estate guaranty company develops quickly in our country.However,there exist many problems as it is a newly emerged thing in financial system of real estate.The problems are as follows: the estate security company is defined as a medium agency in legislature,which does not conform to its feature as financial business;the local restrictions will cause the decrease of credit,weakness in risk-taking capacity and supervision of the company.Such predicament hinders the development of the guaranty company seriously.In order to resolve these problems, the crucial way is to clarify the status of the guaranty company as a non-bank financial institution,and to set up a national guaranty company to offer official security to the people of low income and enhance internal and external supervision.Only through these steps can we realize the functions of the guaranty company for real estate and give full play of its potential function.
LIU Li -ping , LI Ying- min , HAN Jun , LU Hui
2006, 28(4):132-137. DOI: 10.11835/j.issn.1674-4764.2006.04.034
Abstract:The tuned liquid damper(TLD),as a passive energy dissipation system,has been applied in structural vibration absorption in recent years.In this paper,the achievements in the study on the principle of damping,influencing factors,analysis and design methods are generalized.The trend of the TLD development is discussed.The researches including numerical emulation technology of TLD,non-linearity analysis,research of control-TLD,effect of damping under seismic shock and construction design methods considering the TLD are the future emphases.
QIN Yu- chu , NIU Zheng , LIN Wen- peng , RUI Xiao - ping , WANG Chang - yao
2006, 28(4):138-141. DOI: 10.11835/j.issn.1674-4764.2006.04.035
Abstract:As key technique of digital urban planning, research on urban planning models supported by GIS and remote sensing become one of the concentrations in urban planning. According to the objects and aims of model,this paper suggets to separate the models into two kinds.integrate planning models and engineering oriented models. The progress in research of these models as well as analysis of the trends and countermeasures of the models research are introduced.
LI Xing- wang , ZHANG Yu -qi , LIAO Liang , ZHANG Rui-jun
2006, 28(4):142-145. DOI: 10.11835/j.issn.1674-4764.2006.04.036
Abstract:Intelligent concrete patching material can discern little concrete crackles or other structure defects and auto-excited mending material,to repair them.Thus the strength and service life of the concrete can be recovered or improved.The development and application prospect of intellectual patching material is very good for the intelligent mending way.In this paper,the research state of this kind of patching material in recent years is introduced.Especially the mending mechanism,the study and application state of cementitious capillary crystalline patching material and intellectual self-healing concrete system are discussed in detail.
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