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铁路工程造价管理

铁路工程造价管理

Railway Engineering Cost Management
本刊是由铁道部主管、铁路工程定额所主办的科技学术性期刊。本刊奉行为路内外技术与工程造价教学科研人员服务的宗旨。
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    国际刊号/ISSN：1007-9890
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  • 主管单位：中华人民共和国铁道部
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铁路工程造价管理 >2021年第6期

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  • 摘要：Qin- Shen segment in Jing -Ha railway line is the high -speed railway with ballast tract structures. When the train run with high speed, the tract ballast on the tract bed will fly under the action of strong wind, then they will struck the line equipment and train moved department. Seriously, they will struck the train glass and endanger the personal safety of passengers. Based on analyzing the causes of track ballast splash, a kind of glue blinding for fixing tract bed surface ballast is developed through research and experiment. After field test, it shows that the bond glue can well solve the problem of tract ballast splash and has widely application value and prospect.%京哈线秦沈段是采用有砟轨道结构的高速铁路，列车高速通过时，道床上的道砟在强大的风力作用下飞溅，击打线路设备、列车走行部，严重时击打列车玻璃危及旅客的人身安全和行车安全。此文在分析道砟飞溅成因的基础上，通过研究与试验，研制出一种固定道床表面砟石的粘结胶，经现场试验证明，该粘结胶能够很好地解决道砟飞溅的问题，具有广泛地推广应用价值和前景。
  • 摘要：In the fierce competition in the international construction market, the construction enterprise how to face the complicated and volatile international situation and environment influence factors to compile and sub- mit a bidding documents with advanced technology, reasonable economy and competitiveness bidding is a key research content of management unit or departments in project bidding, is also an important compre- hensive subject of keeping sustainable development. This combination combines the international engi- neering bidding practice and related engineering experience in recent years to discuss the control meas- ures of compiling bidding documents in the project bidding management and eonstruction management ac- cording to the importance of making international project bidding management and planning.%在国际建筑市场的激烈竞争中，施工企业如何面对复杂多变的国际形势和环境影响因素，针对招标项目编制提交一份完全符合招标文件要求，且技术先进、经济合理又富有竞争力的投标文件，是经营管理单位或部门在工程投标阶段需要研究的重点工作内容，也是企业保持可持续发展的一个重要综合性课题。此文结合近年来国际工程投标实践及相关工程经验，从制订国际工程投标管理规划的重要性入手，论述工程投标管理与施工管理有效结合编制投标文件和报价应采取的控制措施。
  • 摘要：Electric railway is non - balance power system . To reduce the influence of high - speed railway NPS （ Negative Phase Sequence）, railway and power workers studied out the 220kV balance transformer. This transformer is Scott transformer with secondary midpoint draw - out. According the mode of connection and characteristic, this article analyses the electric characteristic, deduces the current relation of first side and secondary side winding, deduces the NPS computational formula, calculate the NPS of this transformer base on engineering project. From the circulating and simulation of NPS, this article gets the points ： because current of the two feeding section is different, the NPS is different from the several modes connection of transformer. The NPS of New balance transformer is in the middle of V/V transformer and single phase transformer when the duration time is given.%电气化铁道属于不对称供电系统，为降低牵引变压器及接纱方式对电力系统的负序影响，经电力、铁路部门研究，提出采用新型平衡牵引变压器，该牵引变压器采用中间带抽头的Scott接线方式。根据其接线方式及特点，分析其电气特性，推导一次侧与二次侧绕组电流的变换关系、负序电流计算公式，并以工程实例进行该牵引变压器负序电流仿真计算。电流仿真计算表明：由于牵引变电所两供电臂电流的差异，采用不同的牵引变压器及接线方式，产生的负序电流是不同的，新型平衡牵引变压器及接线方式产生的负序电流，在一定的持续时间内介于V／V接线牵引变压器和单相接线牵引变压器之间。
  • 摘要：Project cost management is one of the important contents of project management. On the basis of descri- bing the cost structure, engineering project cost management and relevant features, this article discuss the application of mathematics method in project cost management： with the earned value method in the construction of a comparative analysis of the relevant time quantity and quantity node complete plan, the actual costs and the cost difference plans, in order to take effective control measures; With regression measuring method of Labour cost, so as to effectively control Labour costs. And the value engineering in project cost management application was introduced.%成本管理是工程项目管理的重要内容之一。此文在阐述工程成本构成、项目成本管理及有关特点的基础上，论述数学方法在项目成本管理中的应用：用赢得值法对比分析项目施工中有关时间节点完成5工程量与计划工程量、实际成本支出与计划成本支出的差异，以便采取有效的控制措施；用回归法测算人工费成本，以有效控制人工费成本支出。并对价值工程在项目成本管理中的应用进行介绍。
  • 摘要：针对目前初步设计概算超可研估算的普遍现象，分别从北京市城市轨道交通工程投资估算构成、投资特点、工程费各项经济指标的采集及应用等几方面，探讨工程费各项经济指标的合理确定，分析如何从可研阶段进行造价控制。%According to the common phenomenon that he preliminary design budgetary estimate is more than the fea sibility estimate, the rational determination of each economic index is discussed separately from the Bei- jing urban rail traffic engineering investment estimation composition, investment characteristics, the acquisition and application of the economic index characteristics, and analyzes how to perform cost control from feasibility study stage.
  • 摘要：In the urban subway construction, power supply system is the important part of the construction project. The construction cost directly influence the whole metro lines investment. Therefore, based on collecting the subway construction material in several major cities, the power supply system cost per kilometer, cat- enary and contact rail per kilometer, underground stations and elevated station power lighting cost per square meter are compared and analyzed. Through which the reference suggestions of using cost index in subway power supply system design period are put forward.%在城市地铁建设中，供电系统是工程建设的重要组成部分，其造价直接影响到整条地铁线路的投资。为此在收集国内几个主要城市地铁建设资料的基础上，对地铁供电系统每正线公里造价、接触网和接触轨每条公里造价、地下站和高架站动力照明每平方米造价、区间动力照明每正线公里造价进行分析与对比，由此提出今后在开展地铁供电系统设计时采用造价指标的参考建议。
  • 摘要：The construction market competition becomes increasingly fierce, if the construction enterprises want to keep sustainable development in the competition, the construction enterprises should pay more attention on project ＂three management＂ , in addition to completing the engineering construction projects outside with high quality. This article described the status and weak links of the project ＂ three management＂, discussed the improvement measures in the first ,second and third management according to the existing problems and the insufficiency. Construction enterprises should continuously improve the mechanism, cultivate the market management team, improve project management level, and strengthen the project cost control, in order to obtain good economic benefits and enhance enterprise competitiveness.%建筑市场竞争日趋激烈，施工企业要想在竞争中保持可持续发展，除了要高质量地完成所承担的工程建设项目外，还应重视工程项目“三次经营”工作的开展。此文在阐述工程项目“三次经营”现状及薄弱环节的基础上，针对存在的问题和不足，论述在首次、二次、三次经营工作中可采取的改进措施。施工企业要不断完善经营机制、培养市场经营开发队伍，提升项目管理水平，强化项目成本控制，以取得较好的经济效益，增强企业市场竞争力。
  • 摘要：为进一步提高办刊质量和办刊水平，根据国家对科技期刊的有关规定，结合本刊对来稿的具体要求，现将赐稿有关事宜敬告作者。
  • 摘要：工程建设中工程数量是编制概预算的基础，铁路工程工程量清单计价方式实施后，如何实现概预算编制的标准化和自动化水平，是一个迫切需要探讨的问题。此文针对工程设计人员与概预算编制人员之间互提资料存在的信息失真问题进行分析，提出纠正措施，并在此基础上提出工程数量编码方案，为实现概预算编制的标准化打下基础。%Project quantity is the foundation of compiling budget in project construction. After carrying out railway engineering quantities bill valuation, how to realize the project budget standardization and automation lev- el is a pressing issue. The information distortion analysis problem in mutual carrying material between en- gineering design personnel and project budget is analyzed, then the corrective actions and project quanti- ty coding scheme are presented of mutual carry material existence personnel of the information distortion analysis to lay the foundation of realizing the standardization of budget.
  • 摘要：如何在工程前期阶段利用估算指标或调整后的估算指标快速、准确地测算出申报立项工程的工程投资，是决策者、投资者、设计者关注的重要问题。此文探讨根据行业规程、规范和市政建设工程概预算定额，建立市政道路结构层估算指标测算标准库，利用估算结构层指标标准库进行快速组价的方法及适用范围。通过某工程立项阶段的投资估算与初步设计、施工图设计阶段编制的概预算进行对比，验证该方法具有合理性和准确性。%In the early stages of project, how to use estimate index or adjusted estimation index quickly and accu rately to declare the engineering project investment is the decision makers, investors, and designers＇in terested problem. This article discusses to use the industry standard and procedures and the municipal construction engineering project budget norm to build municipal road structure layer estimate index calcu- lation standard library. The budget compare in an engineering project investment estimation （ estimate index） and preliminary design and construction drawing design phase show that the method is reasonable and accurate.
  • 摘要：Project cost control is a system engineering involving the contents of project approval, design, construc- tion and settlement. The taken measures to prevent and control methods should run through the whole process of the project construction. In view of the phenomenon of separation of engineering technology and economy in engineering construction field in recent years, several aspects that the project cost per- sonnel~ overall quality is not high, the width and depth that they take part in project construction is not enough, innovation and service ability is weak are analyzed and discussed. The project cost personnel should keep learning and mastering certain engineering technology and coordinate with design personnel closely. Based on improving the level of the budget, they should develop along the mode that on the engineering economic and technology combination, create a new idea and make the engineering investment benefit maximized.%工程造价控制是一项涉及立项、设计、施工、结算等内容的系统工程，采取的预防措施和控制手段应贯穿于工程项目建设的全过程。此文针对工程建设领域多年来存在的工程技术与经济分离的现象，从工程造价人员整体素质不高，在项目建设过程中参与的深度和广度不够，创新服务能力弱，急需改进和提高等方面进行分析与探讨，并提出工程造价人员要不断学习和掌握一定的工程技术，与设计人员密切配合，在提高编制概预算水平的基础上，向工程经济与技术相结合的模式发展，开创新理念的工作思路，这一思路可促使工程投资效益最大化。
  • 摘要：In railway engineering design with more bridges, the layout of beam field is very important for construc- tion and engineering investment control of the whole line. Combining with bridge engineering practice of Baxin line and according to a big plate of new station of the main engineering beam field quantity and size of Daban North station, this paper discusses the construction organization design scheme to build games and investment estimation to provide basis for construction units planning construction organization and reference for similar projects.%在桥梁较多的铁路工程设计中，制梁场的布设是否合理对整条线的施工和工程投资控制至关重要。此文结合巴新线桥梁工程实际，根据新设大板北站制梁场的主要工程数量和规模，论述建场施工组织设计方案及投资估算，为施工单位编制施工组织提供依据，同时为类似工程项目提供借鉴。
  • 摘要：In recent years, China＇s railway developmentg brilliant achievements have made exert great international influence. More and more countries hope China railway to take part in their domestic railway construc- tion. China railway implemented the ＂ go global＂ development strategy expanded our foreign influence and competitiveness. This article researched the construction condition we should have when we overload overseas railway construction project from the aspects of related laws and regulations, the construction procedure and resource conditions based on the author＇s project design research work experience in Bra zil, Burma, kazakhstan and other countries railway construction, which will provide reference for future overseas railway engineering construction .%近年来，我国铁路发展所取得的辉煌成就在国际上产生了重大影响，主动提出希望中国铁路参与其国内铁路工程建设的国家越来越多。中国铁路实施“走出去”发展战略，扩大了我国对外影响力和竞争力。此文结合笔者参加巴西、缅甸、哈萨克斯坦等国家铁路工程建设项目的设计研究工作的体会和经验，从相关法律法规、基建程序、资源条件等方面研究承担境外铁路工程建设项目应具备的建设条件。为今后承担境外铁路工程建设提供借鉴。
  • 摘要：为实现建设工程造价的快速和准确预测，此文提出基于模糊最小二乘支持向量机的建设工程造价预测方法。该方法可较好解决小样本预测问题，适合于当前工程造价样本数据量少的现状。通过隶属度函数对样本进行模糊化和加权，实现对历史数据和相似数据的优化选择，提高了预测准确性。将标准SVM的二次规划问题转化为线性方程组求解，提高了预测速度。通过对某市地铁建设中区间隧道延米造价估算实例的计算，验证了所提出预测方法的有效性。%To realize the fast and accurate prediction of construction engineering cost, the fuzzy least square support vector machine forecasting method of the project cost is put forward. This method can solve prediction problem of small sample well, which is suitable for the small sample data problem in the current project cost. Through fuzzifing and weighting by the membership functions, the historical data and the optimal selection of similar data is realized, which improves the prediction accuracy. The standard SVM quadratic programming problem is transformed into solving linear equations to improve the prediction speed. Taking the subway tunnels Yanmi cost estimate as an example, the validity of the proposed prediction method is veryfied.
  • 摘要：The appraisal methods of the traditional investment cant fully manifest the investment decision -making＇s flexibility. Although the traditional investment appraisal methods have considered reward of the time and the risk, they neglect the strategic value of the investment project＇s following growth opportunity and frequently underestimate the investment project＇s actual value, which cause the investor to lose the valuable investment project. In the fast changing situation of investment environment, the traditional investment appraisal method and the actual value are more remarkable. Real options theory has provide a new field of vision for investment decision - making, which make use of financial option theory in the appraisal of real asset and fully consider the opportunities for investment and the management flexibility in the decision - making process. On the assumption that the asset value conforms to the geometry Brown movement and other conditions, an investment portfolio, consisting of the asset value, the option of project investment, has been structured and a basic model of project investment decision based on option has been set up.%传统的项目投资决策方法不能充分体现投资决策的灵活性，他虽考虑了时间与风险的收益，但忽略了投资项目的后续机会的战略价值，常常低估了投资项目的实际价值，使投资者失去有价值的投资项目。在投资环境瞬息万变的情况下，传统的项目投资决策方法产生的效果与实际价值相差显著。而实物期权理论为投资决策提供了一个新的思路，他把金融期权思想运用到实物资产的评价中，充分考虑到决策过程中的投资机会与管理柔性。此文假设项目投资标的资产符合几何布朗运动及其他假设条件，构建由项目投资标的资产、项目期权价值组成的投资组合，据此建立项目投资决策的实物期权模型。根据该模型计算项目投资灵活性价值，并结合净现值法对项目作出投资决策。
  • 摘要：15m class slurry shield construction method has the characteristics of high risk, high technical content and high difficulty. In order to analyze and identify the engineering cost, 2 years follow - up study on the Yangtze river major roas tunnel engineering construction. This article expounds the work mentality, emphasis and determination method of quota research stage in enterprise, preparation stage, measurement stage, analysis stage. Research content contains prefabricated segments, the hoisting of shield subject frame etc. more than 10 an enterprise quota. The quotas can provide the reference for determining reasonable project estimate, project budget estimate, bidding price control and engineering final accounts for15 m class shield tunnel construction. The new technology achieved the leading domestic level after the assessment.%15m级泥水盾构施工具有高风险、高技术含量、高难度的特点，为了分析和确定相关工程的造价，对长江某重大越江隧道工程施工进行了历时2年的跟踪研究。此文在阐述企业定额调研阶段、准备阶段、测定阶段、分析阶段的工作思路、工作重点及测定方法的基础上，研究的主要内容包括管片预制、盾构主体车架的吊装、掉拆、盾构掘进等10余条企业定额。这些定额可为15m级泥水盾构隧道工程建设合理确定工程估算、概预算、招标控制价、工程决算等提供参考依据。经评审认定此项新技术达到国内领先水平。
  • 摘要：To ensure the reasonable determination and the effective control of the construction project cost, the existing problems that the laws and regulations is inadequate, the standard system is incomplete, information construction relatively lags behind and personnel need to further improve the quality in project cost management industry are analyzed. The countermeasures of perfecting legal laws and regulations system, constructing scientific and complete standard management system, strengthening the theory research, focusing on system construction, strengthening the construction of the talents ranks were put forward so as to improve the project cost management level, meet the need of the engineering construction and economic development.%为保证工程建设项目造价的合理确定和有效控制，针对目前工程造价管理行业存在的相关法律法规不够健全、标准体系建设尚不完备、信息化建设相对滞后、从业人员素质有待提高等主要问题进行分圻。提出完善法律法规制度体系、构建科学完备的管理标准体系、加强理论研究着力于系统和体系建设、加强人才队伍建设等应对措施，以期提高工程造价管理水平，满足工程建设和经济发展的需要。
  • 摘要：采用“四阶段法”进行各种交通方式运量预测工作的关键在于对各种参数值的预测，这需要进行深入细致的定性分析和定量分析。在沈哈客运专线运量预测研究工作过程中，对所建模型参数的取值进行较为深入的研究，取得一定程度的认识，并在此基础上进行新建客运专线等交通方式客运量的预测，取得了良好的效果，可对今后新建铁路客运量预测提供理论支持。%The key of adopting the ＂ four stages method＂ for all kinds of traffic volume forecast is the forecast of kinds of parameter values, which needs deeply and meticulous qualitative analysis and quantitative analysis. In ShenHa passenger line traffic volume forecast research work process, the model parameters value was deeply researched and obtained a certain level understanding. Based on which the forecasts of new passenger special lines and other transportation way were performed. The forecast method achieved good effect in ShenHa passenger line traffic volume forecast, which can provide theoretical support for newly - built railway traffic volume forecast.
  • 摘要：东乌-包西铁路联络线位于鄂尔多斯市境内，东端与呼准鄂铁路相接，西端与东乌铁路增建二线相接，中间通过鄂尔多斯站与包西铁路相通，本联络线的修建并引入鄂尔多斯站，对完善鄂尔多斯地区铁路“三横四纵”路网格局和构建蒙西大能力运煤通道意义重大。经研究，提出3种联络线引入鄂尔多斯站方案，并对3种方案的优缺点进行比较，最终选定东乌-包西联络线外包鄂尔多斯站方案。%DongWu- BaoXi rail link is located in Ordos City, it linked HuZhun railway in eastern end, DongWu railway second line in western end and BaoXi railway by Ordos station. The building of the link and brought in Ordos station has great significance of perfecting the Ordos region railway ＂ three horizontal four lengthwise＂ network pattern and construction of MengXi great coal carry channels. Three schemes was presented on how to bring in ordos stand. The advantages and disadvantages of three schemes are compared and the DongWu -BaoXi link outsourcing Ordos station sheme is selected ultimately
  • 摘要：利用招投标方式有效控制工程造价，已成为工程建设造价管理工作的核心内容。但在实际工程建设中，依据初步设计文件编制的招标文件，在工程建设规模、技术标准、工程数量、设备选型等方面与施工设计和施工阶段实际发生的工程数量等存在诸多差异，导致工程结算时的结算价超出招投标合同价的现象屡见不鲜。为此，针对项目招投标管理工作中极易出现的主要问题进行分析，提出招投标管理工作的新思路和控制工程造价的对策。%Using the bidding mode to effectively control the project cost has become the core of the project construction cost management. But in practical project construction, the bidding documents compiled based on preliminary design has many differences in the engineering construction scale, technical standards, engineering quantity, equipment selection, etc from actual engineering quantity in construction design and construction phase which lead to the common phenomenon that clearing price is more than bidding price in project settlement. Therefore, main problems in project bidding management is analyzed, and the new ideas and countermeasures to control the engineering cost of the bidding management is presentd.
  • 摘要：为使铁路基建项目合理有效地履行竣工决算、转固销号程序，需要对项目投资清理后进行清概分劈、末次计价及移交组固工作。这项工作操作繁杂、业务性强、责任重大。此文从工作前提与背景、工作原则、工作内容、遗留问题与建议等4个方面进行认真思考和分析，旨在依法合规履行建设程序，规范投资控制行为，为投资清理后的决算、销号工作起到抛砖引玉的作用。%To reasonablely and effectively fulfill the final accounts of the completed project and fixed assets transfer and number abolishing, the budget estimate clearing and splitting,the end time valuation and handing over solid group work after infrastructure project investment cleaning shuold be done. The work operates multifarious, has strong business and significant responsibility. The four aspects that the job premise and background, work principle, work content, the problem and suggestions are seriously considered and analyzed in this article to perform in accordance with the construction procedure, regulate investment control behavior.
  • 摘要：阐述合同管理在企业生产经营中的地位、合同管理的科学理念、合同管理的基本要求、合同管理及流程，对合同管理的准备阶段、签署阶段、履行阶段、履行后管理阶段的工作重点及风险防范进行论述。并对在合同管理过程中因外部环境因素、对方原因、企业自身原因产生的风险，提出降低风险的对策和进一步加强合同管理的措施。%On the basis of describing the position of contract management in enterprise production and management , scientific idea of contract management, the basic requirements of the contract management, contract management and process, the paper discussed the work emphases and risk prevention in the contract management preparation stage, sign stage, performance stage. The measures to reduce the risks and to further strengthen the contract management were presented.
  • 摘要：Investment comparative analysis can provide the basis for management of design and decision. Currently, there are two main methods of investment comparative analysis in railway construction projects, namely subsection comparative analysis and reasons classification analysis. Both have its advantages and dis advantages, on the basis of discussing the 4 fundamental principles and 4 operate principles combining these two methods, this article proposes a more reasonable method of analysis.%投资对照分析为设计管理和决策提供重要依据。目前铁路建设项目投资对照分析主要采用2种方法，一种是按章节对照分析，另一种是按原因性质分块分析，2种分析方法各有其优缺点。此文在阐述投资对照分析的4项基本原则和4种操作原则的基础上，将2种方法相结合，提出一种更为合理的分析方法。该方法通过实例进行对照检验与测试，精度较高，合理有效。
  • 摘要：目前高层屋面保温层中因不同原因积水，造成工程竣工后屋面并非防水卷材破坏而渗漏水。根据屋面结构层的特点对各种积水原因进行分析，提出屋面结构层涂刷防水涂膜，对保温层和找坡层施工、排气通道和排气管设置采取控制措施等解决方案。经某单位高层屋面工程验证，采取所述方法和措施取得了良好的效果。%The causes of water and leakage in the current tall roof insulation are analyzed. According to the characteristics of roof structure layer. The control measures that brushing waterproof coating in the roof structure layer, thermal insulation layer construction, slope layer construction, exhaust passage setting, the exhaust setting are presented. Though verification of certain tall roof project, the presented methods and measures take a good effect.
  • 摘要：地铁车站是地铁工程建设的主要组成部分，其投资所占比例较大，为合理控制其造价，对几个城市的十几个地铁车站（高架车站和地下车站）土建工程造价的组成和各分部工程造价指标进行比较与分析，找出影响车站投资的关键因素，针对关键因素提出控制高架车站和地下车站土建工程造价的主要思路和可采取的措施，以便施工单位合理优选施工方案、工艺和工法，从而达到合理控制造价的目的。%The subway station is the main part of subway construction, its investment has large proportion. To reasouablely control the cost, the constitute of civil engineering cost and cost index of each subproject in several subway stations （an elevated station and the underground station） in several city are compared and analyzed. The he key factors affecting station investment is found out. The main thinking and measures of controling the cost of elevated station and the underground station civil engineering are presentd so that the construction units can reasonablely select the construction scheme, process and method to achieve the purpose of reasonable control cost.
  • 摘要：铁建设[2012]2号rn各铁路局，各铁路公司（筹备组）：针对当前铁路工程建设长钢轨由铁路局焊接基地集中焊接供应的实际情况，为满足铁路工程建设发展需要，现发布长钢轨供应有关费用标准，适用于按铁道部规定采用长钢轨集中焊接供应的建设项目。
  • 摘要：为进一步提高办刊质量和办刊水平，根据国家对科技期刊的有关规定，结合本刊对来稿的具体要求，现将赐稿有关事宜敬告作者。
  • 摘要：铁路运输是一个复杂的系统，各种因素都会对其安全运行产生影响。此文以某一运营的高速铁路为研究对象，按照系统分析的步骤和方法，根据运营条件和现状，利用模糊层次分析法对所建立的模型进行分析，并确定3条准则，即确保设备正确运行状态、减少自然环境影响和确保人为操作正确。在此基础上对所提出的4条措施进行定性、定量分析，从而确定可采取措施的优先性，即首先是提高信号设备的可靠性，其次是保证牵引供电系统的安全可靠性。%The railway transportation is a complex system. Various factors can have influence on its safety operation. This article takes a high speed railway as the research object. In term of system analitieal steps and methods and according to operation conditions and the present situation, the established model was analyzed by fuzzy analitic hierarchy process. Three rules were decided which is to ensure equipment running condition and reduce natural right environmental impact and ensure artificial operation right. On the ba- sis of which the proposed four measuresaes were qualitative and quantitative analyzed, so as to determine the priority of taking measures, namely improving signal equipment reliability is the most important thing, the second one is to guarantee the safety and reliability of the traction power supply system.
  • 摘要：铁建设函[2012]839号rn各铁路局，各铁路公司（筹备组），投资、集装箱公司：现发布铁路工程建设2011年第2季度材料价差系数，作为以《铁路工程建设材料基期价格（2000年度）》（铁建设[2001]28号）为基期价格的项目设计概算价格水平由基期年（2000年）调整到编制期（2011年第2季度）的依据。

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