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Study on Project Progress Curve Model
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作者 Ding Shibao 《Engineering Sciences》 EI 2008年第1期74-77,共4页
Because of the discrepancy of project types,the project progress curves present different characteristics.Studying project progress curves can reduce management risk of project and overall grasp the enforcement condit... Because of the discrepancy of project types,the project progress curves present different characteristics.Studying project progress curves can reduce management risk of project and overall grasp the enforcement condition of the project.Combining project characteristic,this paper reaches 4 kinds of project progress curve patterns.If the front of the progress curve is concave,and its rear is protruding in the break point,it is named as S model.If its front is protruding and its rear is concave in the break point,it is named as the reverse side of S model.If the front and rear are concave in the break point,it is named as J model,and two half sections are both upward protruding,it is named as the reverse side of J model.Through a case study,it shows that application project progress curve model can better raise project management. 展开更多
关键词 progress curve model reverse side of S model reverse side of J model
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Delay Analysis Techniques Comparison
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作者 Khalid S. AI-Gahtani Satish B. Mohan 《Journal of Civil Engineering and Architecture》 2011年第8期740-747,共8页
Many techniques have been used in the courts to demonstrate the criticalities of a delay event on the project schedule. At this time, there is no standard method to analyze a delay claim. This paper first introduced a... Many techniques have been used in the courts to demonstrate the criticalities of a delay event on the project schedule. At this time, there is no standard method to analyze a delay claim. This paper first introduced a fictional case study that has most types of delay and acceleration events that might be faced on a real project. The case study is applied to all current techniques of delay claims that have been identified from previous studies. The comparison uses the delay claim issues as criteria to evaluate all the delay claim techniques from the case study results. The case study result and discussion demonstrate that the Day-by-Day technique satisfies all the desired criteria while other techniques lack some. 展开更多
关键词 CONSTRUCTION SCHEDULING CLAIM DELAY CPM.
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Vibration sensitive admixture for roller compacted concrete
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作者 Zhou Hougui 《Engineering Sciences》 EI 2013年第6期2-7,共6页
In order to further speed up the construction progress,shorten the rolling time and reduce the rolling times of roller compacted concrete after analyzing work of construction progress improvement measures of roller co... In order to further speed up the construction progress,shorten the rolling time and reduce the rolling times of roller compacted concrete after analyzing work of construction progress improvement measures of roller compacted concrete,research on vibration sensitive admixture is carried out and satisfactory results are acquired.The new type vibration sensitive admixture was used in the project of Jinghong hydropower station in Yunnan Province,China.The engineering experimental results show that various indexes have been verified.Meanwhile,the compactness of roller compacted concrete is improved under the same rolling times,the rolling times and the duration time can be reduced under the same compactness requirement in construction practice. 展开更多
关键词 concrete admixture vibration sensitive roller compacted concrete rapid construction
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Present situation and improving measures of Chinese Construction Engineering Management informatization
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作者 ZHOU Chuan 《International English Education Research》 2017年第4期73-74,共2页
Building engineering management is a huge and complex work, which the key to ensure the quality ofconstruction projects. With the rapid development of the domestic construction industry, the traditional engineering ma... Building engineering management is a huge and complex work, which the key to ensure the quality ofconstruction projects. With the rapid development of the domestic construction industry, the traditional engineering management model can not meet the needs of a large number of construction project information exchanges. Only realizing informationization of construction engineering management, can reduce the cost of construction projects, improve the efficiency of project management and construction progress. This paper analyzes the current situation of construction management informatization, and puts forward some suggestions to strengthen the construction management information construction. 展开更多
关键词 engineering management~ Information system~ Architectural Engineering
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结构与建筑之论
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《吉林勘察设计》 2013年第Z2期46-46,共1页
所有的著名的建筑作品都是建筑与结构完美结合的典范,而现在大量建筑往往成为没有结构美学的部品堆砌,结构技术也因此受到了限制。结构与建筑脱节导致浪费结构与建筑脱节怎么办?中国建筑设计研究院总工程师、全国工程勘察设计大师任庆... 所有的著名的建筑作品都是建筑与结构完美结合的典范,而现在大量建筑往往成为没有结构美学的部品堆砌,结构技术也因此受到了限制。结构与建筑脱节导致浪费结构与建筑脱节怎么办?中国建筑设计研究院总工程师、全国工程勘察设计大师任庆英认为"需要被动创新"。他说,当建筑方案创作完成并中标后,建筑方案存在着若干结构不合理、超规范,甚至结构不成立的情况。而业主确定的方案又很难更改。这样,结构就要被动创新了。被动创新也是创新,只是比较被动。由于建筑方案的不合理。 展开更多
关键词 全国工程勘察 庆英 设计研究院 设计大师 超规范 方案阶段 勘察设计 材料供应 工程项设计 进度目
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Detection of schedule delay risk of empirical construction projects 被引量:1
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作者 Tsegay GEBREHIWET Hanbin LUO 《Frontiers of Engineering Management》 2018年第2期251-267,共17页
In Ethiopian construction projects, schedule delay risk is a predominant issue because it is not properly addressed. Although several studies have been focused on the various effects of risk in construction projects, ... In Ethiopian construction projects, schedule delay risk is a predominant issue because it is not properly addressed. Although several studies have been focused on the various effects of risk in construction projects, limited efforts have been made to investigate the typical and the overall schedule delay risk. In this study, our aim is to detect the typical and overall schedule delay risk throughout the construction project lifecycle, which consists of the pre-construction, construction, and post-construction stages, and compare the stages with each other. Common criteria, sub-criteria, and attributes were developed for all alternatives for the purpose of making a risk decision. The methodology that was followed integrated the multiplecriteria decision-making(MCDM) model of fuzzy analytic hierarchy process comprehensive evaluation(FAHPCE)and the relative important index(RII). Data were collected from 77 participants, who were selected through purposive sampling from different contracting organizations in Ethiopian construction projects by means of questionnaires that were distributed to experienced experts. The findings showed that there is a typical delay risk either in the type or in the level of the different construction activities.Consequently, the most influenced alternative is the construction stage because of the high-risk responsibility,resource, and contract condition related criteria. The postconstruction stage was the second most influenced stage because of the high-risk responsibility-related criteria. The pre-constructed stage was the least influenced stage that consist high-risk criteria of responsibility, resource, and contract condition related. These differences provided noteworthy information about risk mitigation in construction projects by identifying the exact risk level on specific activity to make appropriate decision. 展开更多
关键词 fuzzy analytic hierarchy process comprehensive evaluation construction project detection of delay risk relative important index
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