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Conceptualising the nexus of projects, finance and capacity in construction business

Arun BAJRACHARYA, Stephen Olu OGUNLANA, Cheng Siew GOH, Hai Chen TAN

《工程管理前沿(英文)》 2018年 第5卷 第3期   页码 289-297 doi: 10.15302/J-FEM-2018021

摘要:

This paper addresses a research question on why construction companies fail in their business. Starting with the concept of growth and capacity underinvestment archetype, a new and operational systems thinking model is developed. The conceptual systems thinking model includes a set of causal structure that can explain various modes (including the growth and failure modes) of business performance of small and medium construction companies. Mainly the three components – projects, finance and capacity – and the understanding of their nexus (or causal inter-relationships) are found to be sufficient to reveal different performance modes in construction business. Further, the three operational aspects, namely, the business growth or decline process; the situation of financial and other capacity resource consumption; and the management of projects, finance and other capacity resources have been identified as the inter-related core and integral aspects of construction business. The three inter-related core aspects could actually include and explain different possible range of business situations, policies and practices in a construction company.

关键词: performance of construction business     projects     finance     capacity     systems thinking    

Energy storage resources management: Planning, operation, and business model

《工程管理前沿(英文)》   页码 373-391 doi: 10.1007/s42524-022-0194-4

摘要: With the acceleration of supply-side renewable energy penetration rate and the increasingly diversified and complex demand-side loads, how to maintain the stable, reliable, and efficient operation of the power system has become a challenging issue requiring investigation. One of the feasible solutions is deploying the energy storage system (ESS) to integrate with the energy system to stabilize it. However, considering the costs and the input/output characteristics of ESS, both the initial configuration process and the actual operation process require efficient management. This study presents a comprehensive review of managing ESS from the perspectives of planning, operation, and business model. First of all, in terms of planning and configuration, it is investigated from capacity planning, location planning, as well as capacity and location combined planning. This process is generally the first step in deploying ESS. Then, it explores operation management of ESS from the perspectives of state assessment and operation optimization. The so-called state assessment refers to the assessment of three aspects: The state of charge (SOC), the state of health (SOH), and the remaining useful life (RUL). The operation optimization includes ESS operation strategy optimization and joint operation optimization. Finally, it discusses the business models of ESS. Traditional business models involve ancillary services and load transfer, while emerging business models include electric vehicle (EV) as energy storage and shared energy storage.

关键词: energy storage system     energy storage resources management     planning configuration     operational management     business model    

Requirements in performance measurement systems of construction projects from the lean production perspective

Karina B. BARTH, Carlos T. FORMOSO

《工程管理前沿(英文)》 2021年 第8卷 第3期   页码 442-455 doi: 10.1007/s42524-020-0108-2

摘要: Performance measurement (PM) generates useful data for process control, facilitates communication between different sectors, and helps to align efforts on the most important aspects of the business. Thus, PM plays a key role in the management of projects and organizations. PM is also important in the implementation of lean production principles and methods, such as reducing the share of nonvalue-adding activities, increasing process transparency, building continuous improvement into the process, and benchmarking. Moreover, the adoption of the lean production philosophy requires changes in PM. Despite its importance, limited studies have been conducted on the use of PM systems for assessing the impact of lean production programs in construction projects. In addition, studies on how lean companies (or projects) use performance measurement and to what extent the indicators adopted reflect the result of actions that have been undertaken are limited. This study proposes a set of requirements in PM systems of construction projects from the perspective of lean production and a taxonomy of performance metrics for lean production systems. Five empirical studies have been carried out on construction companies from South America involved in the implementation of lean production systems. The scope of this investigation is limited to the construction projects as production systems rather than PM at the level of construction organizations.

关键词: performance measurement     lean construction     production management     continuous improvement     metrics    

Impacts of building information modeling (BIM) implementation on design and construction performance:

Dongping CAO, Heng LI, Guangbin WANG

《工程管理前沿(英文)》 2017年 第4卷 第1期   页码 20-34 doi: 10.15302/J-FEM-2017010

摘要: Drawing on resource dependence theory, this paper develops and empirically tests a model for understanding how the implementation of building information modeling (BIM) in construction projects impacts the performance of different project participating organizations through improving their interorganizational collaboration capabilities. Based on two sets of survey data collected from designers and general contractors in BIM-based construction projects in China, the results from partial least squares analysis and bootstrapping mediation test provide clear evidence that BIM-enabled capabilities of information sharing and collaborative decision-making as a whole play a significant role in determining BIM-enabled efficiency and effectiveness benefits for both designers and general contractors. The results further reveal that designers and general contractors benefit from project BIM implementation activities significantly non-equivalently, and that this non-equivalence closely relates to the different roles played by designers and general contractors in BIM-enabled interorganizational resource exchange processes. The findings validate the resource dependence theory perspective of BIM as a boundary spanning tool to manage interorganizational resource dependence in construction projects, and contribute to deepened understandings of how and why project participating organizations benefit differently from the implementation of interorganizational information technologies like BIM.

关键词: building information modeling     interorganizational collaboration     construction project performance     resource dependence theory     partial least squares modeling    

业务架构集成中的企业级业务组件识别方法 Article

Jiong FU, Xue-shan LUO, Ai-min LUO, Jun-xian LIU

《信息与电子工程前沿(英文)》 2017年 第18卷 第9期   页码 1320-1335 doi: 10.1631/FITEE.1601836

摘要: 基于组件的军事信息系统业务架构集成是军事领域中一个重要研究内容,而识别企业级业务组件是业务架构集成中一个关键问题。当前业务组件识别的方法多是关注于软件层面业务组件,忽略了诸如组织、资源等企业级因素;而目前企业级业务组件识别方法被证明非常低效。因此本文提出一种企业级业务组件识别的新方法,该方法全面考虑了业务组件的内聚度、耦合度、粒度、可维护性、可复用性五个设计原则。首先基于业务组件模型和DoDAF(Department of Defense Architecture Framework)模型对业务组件进行了定义和形式化描述,为了对业务组件进行定量化分析,将业务模型转为一个CRUD(create, read, update, and delete)矩阵并提出了6类指标;然后将业务组件识别问题转化为一个多目标优化问题,并采用了模拟退火遗传算法(simulated annealing hybrid genetic algorithm, SHGA)进行求解。最后通过案例分析验证了本文方法较先前的方法对企业级业务组件识别具有更好的适用性和高效性。

关键词: 业务架构集成;业务组件;组件识别;CRUD矩阵;启发式    

Seismic performance of precast hollow bridge piers with different construction details

Zhiqiang WANG,Jiping GE,Hongyi WEI

《结构与土木工程前沿(英文)》 2014年 第8卷 第4期   页码 399-413 doi: 10.1007/s11709-014-0273-7

摘要: Currently the design scheme of precast hollow concrete bridge piers will be adopted in bridge design in China, but there is no code including specific design details of precast segmental piers in high seismic risk area. For comparative study of seismic performance of the hollow bridge piers which had different design details, six specimens of hollow section bridge pier were designed and tested. The specimens consist of the monolithic cast-in-place concrete bridge pier, precast segmental prestressed pier with cast-in-place joint and precast segmental concrete bridge pier with dry joints. Results show that all specimens have good displacement capacity. The bridge pier with bonded prestressed strands exhibits better energy dissipation capacity and higher strength. The un-bonded prestressed strand bridge pier displays less residual plastic displacement and energy dissipation capacity. The bridge pier with both bonded prestressed strands at the edge of the section and un-bonded in the center of the section not only exhibits more ductility capacity and less residual plastic displacement, but also shows better energy dissipation capacity. Compared with experimental results of prestressed bridge columns, analytical result demonstrates the developed numerical analysis model would provide the reasonable and accurate results.

关键词: hollow pier     seismic performance     cyclic load     precast concrete     bridge columns    

Engineers as business leaders: A need to investigate formative collegiate experiences of highly successful

《工程管理前沿(英文)》 2022年 第9卷 第1期   页码 159-162 doi: 10.1007/s42524-021-0183-z

Systems thinking in construction: Improving the productivity and performance of infrastructure projects

Peter E.D. LOVE, Hanbin LUO

《工程管理前沿(英文)》 2018年 第5卷 第3期   页码 285-288 doi: 10.15302/J-FEM-2018205

摘要:

关键词: valign=     top     class=     J_zhaiyao    

建设项目协调管理绩效评价

郭峰,刘慧

《中国工程科学》 2011年 第13卷 第8期   页码 97-102

摘要:

文章将功能系数法与广泛应用于管理评价的逻辑框架法进行综合运用,认为项目及组织的可持续发展是建设项目协调管理的最高境界,从目标协调管理绩效、组织协调管理绩效、利益相关方协调管理绩效及项目和组织可持续发展性4个方面建立了建设项目协调管理绩效评价指标体系,并给出各指标的计算方法,运用功能系数法计算建设项目协调管理绩效综合评价功能系数,从而有效量化了对建设项目协调管理绩效的综合评价。最后,通过算例研究,验证了指标体系构建方法及各指标计算方法的可行性,这个方法可以有效地衡量协调管理的功能。

关键词: 建设项目协调管理     绩效评价指标体系     功能系数法    

Construction of interfacial dynamic bonds for high performance lignin/polymer biocomposites

《化学科学与工程前沿(英文)》 2023年 第17卷 第10期   页码 1372-1388 doi: 10.1007/s11705-023-2302-3

摘要: Lignin is the largest natural aromatic biopolymer, but usually treated as industrial biomass waste. The development of lignin/polymer biocomposites can promote the high value utilization of lignin and the greening of polymers. However, the weak interfacial interaction between industrial lignin and polymer induces poor compatibility and serious agglomeration in polymer owing to the strong intermolecular force of lignin. As such, it is extremely difficult to prepare high performance lignin/polymer biocomposites. Recently, we proposed the strategy of in situ construction of interfacial dynamic bonds in lignin/polymer composites. By taking advantage of the abundant oxygen-containing polar groups of lignin, we inserted dynamic bonding connection such as hydrogen bonds and coordination bonds into the interphase between lignin and the polymer matrix to improve the interfacial interactions. Meanwhile, the natural amphiphilic structure characteristics of lignin were utilized to construct the hierarchical nanophase separation structure in lignin/polymer composites. The persistent problems of poor dispersity and interfacial compatibility of lignin in the polymer matrix were effectively solved. The lignin-modified polymer composites achieved simultaneously enhanced strength and toughness. This concise review systematically summarized the recent research progress of our group toward building high-performance lignin/polymer biocomposites through the design of interfacial dynamic bonds (hydrogen bonds, coordination bonds, and dynamic covalent bonds) between lignin and different polymer systems (polar plastics, rubber, polyurethane, hydrogels, and other polymers). Finally, the future development direction, main challenges, and potential solutions of lignin application in polymers were presented.

关键词: lignin     polymer     interfacial dynamic bonds    

Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolithsimulant for automated construction of lunar infrastructure

《结构与土木工程前沿(英文)》 doi: 10.1007/s11709-023-0003-0

摘要: Using an in situ lunar regolith as a construction material in combination with 3D printing not only reduces the weight of materials carried from the Earth but also improves the automation of lunar infrastructure construction. This study aims to improve the printability of a geopolymer based on a BH-1 lunar regolith simulant, including the extrudability, open time, and buildability, by controlling the temperature and adding admixtures. Rheological parameters were used to represent printability with different water-to-binder ratios, printing temperatures, and contents of additives. The mechanical properties of the hardening geopolymer with different filling paths and loading directions were tested. The results show that heating the printed filaments with a water-to-binder ratio of 0.32 at 80 °C can adjust the printability without adding any additive, which can reduce the construction cost of lunar infrastructure. The printability of the BH-1 geopolymer can also be improved by adding 0.3% Attagel-50 and 0.5% polypropylene fiber by mass at a temperature of 20 °C to cope with the changeable environmental conditions on the Moon. After curing under a simulated lunar environment, the 72-h flexural and compressive strengths of the geopolymer specimens reach 4.1 and 48.1 MPa, respectively, which are promising considering that the acceleration of gravity on the Moon is 1/6 of that on the Earth.

关键词: geopolymer     lunar regolith simulant     3D printing     rheology     printability    

The Research of Business Process Management-based on The Changqing Oil Field Cooperation Project

Ning Hui,Xiao-wei Zhou,Qing-qing Chang

《工程管理前沿(英文)》 2015年 第2卷 第2期   页码 182-187 doi: 10.15302/J-FEM-2015027

摘要: This paper elaborates on defects in the PetrolChina Changqing?Oilfield Cooperation Management Project in an attempt to improve future cooperative efforts. The paper focuses on the drawbacks in the existing management process and analyzes the process by using current information management methods. This effort is made in hopes of arriving at the most efficient and effective method to redesign the existing processes.

关键词: cooperation project     process optimization     management     improvement    

Performance of seven highway construction contracting methods analyzed by project size

Yuanxin ZHANG, Abdol CHINI, R. Edward MINCHIN Jr., Lourdes PTSCHELINZEW, Dev SHAH

《工程管理前沿(英文)》 2018年 第5卷 第2期   页码 240-250 doi: 10.15302/J-FEM-2018040

摘要: The conventional Design-Bid-Build (DBB) construction contracting method has had various drawbacks exposed in highway construction practice, including lack of communication, inefficient design, antagonizing relationships, and increased disputes. To mitigate the negative aspects of DBB, several alternative contracting methods and alternative project delivery systems have been devised and introduced to the industry over the past 30 years. Five such innovations were tested by a research team from the University of Florida under the sponsorship of the Florida Department of Transportation (FDOT). To perform a realistic assessment, this study categorized FDOT projects built between 2006 and 2015 into groups according to current contract amounts. Both absolute and relative metrics were defined and employed. For comparison purposes, a collective analysis on all gathered data was performed. Additionally, the influence of outliers on the results was examined. The results showed that analyses based on individual cost categories are more convincing because large projects tend to impose stronger influence on the analyses. In addition, outliers must be identified and screened to reach realistic and reliable conclusions. With regard to the actual performance of the contracting methods, each performs differently within different cost categories.

关键词: alternative contracting methods     time     cost     performance evaluation    

新一代人工智能引领下的制造业新模式与新业态研究

“新一代人工智能引领下的制造业新模式新业态研究”课题组

《中国工程科学》 2018年 第20卷 第4期   页码 66-72 doi: 10.15302/J-SSCAE-2018.04.011

摘要:

在新一代人工智能技术引领下,制造业的生产技术、组织方式、竞争策略等,都将面临重大调整,为制造业新模式与新业态的形成提供了可能。受新一代人工智能技术驱动,制造业实践中不断涌现由服务而产生的新模式新业态是本课题的研究核心。课题重点围绕由开展智能服务而产生的新模式和新业态进行研究,分析了在人工智能技术引领下,制造业的模式与业态的演进趋势,新模式与新业态的典型类型,支撑性、关键性技术;提出了新模式与新业态的发展方针、目标与途径。根据我国工业领域的发展基础与现状,选择远程运维服务和规模定制服务作为突破,提出两大业务模式在相关领域的发展方向以及发展目标,并提出相关政策建议。

关键词: 人工智能     制造业     新模式     新业态    

标题 作者 时间 类型 操作

Conceptualising the nexus of projects, finance and capacity in construction business

Arun BAJRACHARYA, Stephen Olu OGUNLANA, Cheng Siew GOH, Hai Chen TAN

期刊论文

积极开展规划咨询业务,为首都城市建设提供服务——北京市首都规划设计工程咨询开发公司

期刊论文

Energy storage resources management: Planning, operation, and business model

期刊论文

Requirements in performance measurement systems of construction projects from the lean production perspective

Karina B. BARTH, Carlos T. FORMOSO

期刊论文

Impacts of building information modeling (BIM) implementation on design and construction performance:

Dongping CAO, Heng LI, Guangbin WANG

期刊论文

业务架构集成中的企业级业务组件识别方法

Jiong FU, Xue-shan LUO, Ai-min LUO, Jun-xian LIU

期刊论文

Seismic performance of precast hollow bridge piers with different construction details

Zhiqiang WANG,Jiping GE,Hongyi WEI

期刊论文

Engineers as business leaders: A need to investigate formative collegiate experiences of highly successful

期刊论文

Systems thinking in construction: Improving the productivity and performance of infrastructure projects

Peter E.D. LOVE, Hanbin LUO

期刊论文

建设项目协调管理绩效评价

郭峰,刘慧

期刊论文

Construction of interfacial dynamic bonds for high performance lignin/polymer biocomposites

期刊论文

Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolithsimulant for automated construction of lunar infrastructure

期刊论文

The Research of Business Process Management-based on The Changqing Oil Field Cooperation Project

Ning Hui,Xiao-wei Zhou,Qing-qing Chang

期刊论文

Performance of seven highway construction contracting methods analyzed by project size

Yuanxin ZHANG, Abdol CHINI, R. Edward MINCHIN Jr., Lourdes PTSCHELINZEW, Dev SHAH

期刊论文

新一代人工智能引领下的制造业新模式与新业态研究

“新一代人工智能引领下的制造业新模式新业态研究”课题组

期刊论文