Academic literature on the topic 'Project influence curve'

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Journal articles on the topic "Project influence curve"

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Selyukov, D. D., and N. V. Vishnyakov. "INFLUENCE OF VERTICAL CURVE ON HIGHWAY TRAFFIC SAFETY." Science & Technique 17, no. 3 (2018): 255–60. http://dx.doi.org/10.21122/2227-1031-2018-17-3-255-260.

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The paper is devoted to a challenging problem of ensuring traffic safety on the sections of a highway vertical curve and it provides an analysis for works concerning design, lay-out and organization of a project roadway. A change in vehicle speed has been analyzed depending on the length of a curve and a maximum longitudinal slope of a project roadway. The paper presents statistical data about accidents in the Republic of Belarus for several years on the sections of curves pertaining to project roadways. Comparative analysis of difference between point marks on a parabola is given in the paper
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Xiong, Chun Bao, Mei Jiao Xiao, and Xiao Rui Shi. "Test Analysis of Groundwater Withdrawal and Land Subsidence in Tianjin Airport Project." Applied Mechanics and Materials 204-208 (October 2012): 418–24. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.418.

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The pumping tests on the hydrogeology, including single well tests, group wells tests and land subsidence analysis, were carried out for Tianjin transportation center project. The straight-line graphical method, curve fitting method, formula method and infiltration curve extrapolation method were applied to obtain the permeability coefficients and influence radius of the main aquifers, and to obtain the mutual influence between the aquifers. The results of the land subsidence observations indicate that amount of land subsidence decreases with increasing distance from the wells. And it is also
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Crispim, José, Luiz Henrique Silva, and Nazaré Rego. "Project risk management practices: the organizational maturity influence." International Journal of Managing Projects in Business 12, no. 1 (2019): 187–210. http://dx.doi.org/10.1108/ijmpb-10-2017-0122.

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PurposeThe purpose of this paper is to identify patterns of project risk management (PRM) practices’ adoption, and provides empirical evidence concerning the importance (and key attributes) of organizational PRM maturity to the use of risk-related practices and project performance.Design/methodology/approachThe research involved two phases: interviews with five project managers, and a worldwide survey of project managers that resulted in the analysis of 865 valid questionnaire responses. Cluster analysis was used to classify PRM practices’ use, factor analysis to detect the structure of the re
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Hu, Da, Yongsuo Li, Xiaoqiang Liang, Youping Wu, Sheng Zhang, and Qi Yao. "Analysis and Prediction of Pavement Settlement Caused by Jacking Construction of Ultra-Shallow Rectangular Shield Frame Bridge." Mathematical Problems in Engineering 2020 (October 28, 2020): 1–14. http://dx.doi.org/10.1155/2020/9624927.

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The primary purpose of this paper is to analyze and predict the ground settlement law of large-span rectangular shield frame bridge jacking project, to provide a reference for the optimization design and safe construction of similar projects. In this paper, combined with the jacking project of ultra-shallow buried soft soil layer rectangular shield frame bridge, through the on-site monitoring, the settlement deformation law of the longitudinal and transverse sections of the expressway pavement during the jacking construction process is discussed, and the reasons for the large settlement and re
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Zheng, Xi Jian, Zhong Nan Wang, and Lei Ma. "Analysis of Influence Parameters of the Project Ribbed Bar Machining Quality." Applied Mechanics and Materials 328 (June 2013): 426–31. http://dx.doi.org/10.4028/www.scientific.net/amm.328.426.

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This paper presents the method of calculating roller spacing and press amount of straightening roll. based on rigid-flexible virtual prototype technology, the entities model of straightening block was established by Pro/E, then it was imported into the ADAMS environment and constraints were added to create a rigid model, the model neutral file generated by ANSYS, thereby the rigid-flexible coupling virtual prototype was established. The distance of the point in the steel-bar relative to the end in Y direction is obtained through simulation, the acceleration curve and the range of roller spacin
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Huang, Qiang, Wei Ping Wang, and Hai Yan Deng. "Study on the Influence of Shallow Groundwater Source Heat Pumps on Groundwater Quality in Weifang, China." Applied Mechanics and Materials 641-642 (September 2014): 97–100. http://dx.doi.org/10.4028/www.scientific.net/amm.641-642.97.

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Selecting 4 shallow groundwater source heat pump (GSHP) projects as research objects in Weifang city of Shandong province, China, the groundwater quality in the project area was, observed and analyzed by sampling continuously. The results show that the concentrations of chloride and the total hardness are relatively stable, and there are no apparent changes; In the change curve of TDS in different kind of shallow GSHPs, the worse the sealing condition of the project, the more obvious the rising trend of TDS; The concentration of nitrate is generally on the rise, and the concentration of ammoni
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Hua, Xi. "Study on Engineering Materials with Results of the Analysis of the Influence of Foundation Pit Surrounding Buildings Settlement." Advanced Materials Research 788 (September 2013): 631–35. http://dx.doi.org/10.4028/www.scientific.net/amr.788.631.

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In this project, some engineering materials will be used, such as reinforcing bar, commercial concrete. Because the site underground water level is higher, in order to prevent the surrounding buildings and roads happens the non-uniform settlement, the settlement must be observed, using single double station observation way, each settlement will draw up the curve, and according to the settlement curve for foundation pit precipitation to the influence of the architecture around the research.
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Giessler, M., F. Gauterin, K. Wiese, and B. Wies. "Influence of Friction Heat on Tire Traction on Ice and Snow." Tire Science and Technology 38, no. 1 (2010): 4–23. http://dx.doi.org/10.2346/1.3298679.

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Abstract The internal drum test bench of the Universität Karlsruhe (TH) allows tire performance measurements under controllable conditions. In cooperation with Continental AG a research project was initiated to focus on traction on ice and snow surfaces. The test chamber was upgraded with a cooling system, surface conditioners and a snow production system. As a major result of these experiments, a strong correlation of thermal conditions and transmittable forces has been discovered. Furthermore, a high-speed infrared camera was used to monitor the temperature increase of the tire surfaces unde
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Li, Ju, Chang Lin Liao, and Shi Li. "Characteristics Curve of Multicontact for CO2 Flood." Advanced Materials Research 734-737 (August 2013): 1161–64. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.1161.

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Miscible and/or near miscible CO2 flood are among the most widely used enhanced oil recovery techniques. The successful design and implementation of a miscible gas injection project is dependent upon the accurate determination of MMP[1]-[9], the pressure above which the displacement process becomes multicontact miscible. This paper presents a method to get the characteristics curve of multicontact. The curve can illustrate the character in the Miscible and/or near miscible gas injection processes, based the curve, From the change of characteristics curve of multicontact ,we can known the type
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Sidorova, E. A., O. N. Vaganova, and A. Yu Slastenin. "Methods for determining the position of the curve in the plan and the influence of the geometry of the track on the indicators of interaction between the track and the rolling stock." VNIIZHT Scientific Journal 79, no. 6 (2021): 365–72. http://dx.doi.org/10.21780/2223-9731-2020-79-6-365-372.

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The article substantiates the necessity of supplementing the existing estimate of the track position in the plan by the difference of adjacent bending arrows with an estimate of deviations from the fixed initial position, which ensures the constancy of the characteristics of a single-radius curve or the components of a multi-radius curve along their entire length. As a fixed initial position of the reference base (base position), it is proposed to accept the design position or the position of the track after the repair performed according to the project, and in the absence of the project, the
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Dissertations / Theses on the topic "Project influence curve"

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Chen, Chong-an, and 陳重安. "Using Design of Experiment and Computer Simulation to Construct the Project Management Scheduling under the Influence of Learning Curve." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/30773459688969902855.

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碩士<br>逢甲大學<br>工業工程與系統管理學研究所<br>100<br>While planning and estimating a project, there may have many uncertain factors considered, such as the reliability of project schedule and the influence of learning curve. However, these factors as above are not involved in calculating the program evaluation and review technique(PERT) and critical path method(CPM) generally. Thus, the study applied the feathers of both PERT and CPM to develop the computer simulation and design of experiments. Furthermore, the study employed the response surface methodology to analyze the Time-cost tradeoff problem and also
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"Contract Administration Functions and Tools for Design-Build and Construction Manager/General Contractor Project Delivery in U.S. Highway Construction." Doctoral diss., 2019. http://hdl.handle.net/2286/R.I.53505.

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abstract: The demand for new highway infrastructure, the need to repair aging infrastructure, and the drive to optimize public expenditures on infrastructure have led transportation agencies toward alternative contracting methods (ACMs) such as design-build (DB) and construction manager/general contractor (CM/GC). U.S. transportation agencies have substantial experience with traditional design-bid-build delivery. To promote ACMs, the Federal Highway Administration and the National Cooperative Highway Research Program (NCRHP) have published ACM guidance documents. However, the published materi
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Book chapters on the topic "Project influence curve"

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Abualbasal, Wejdan, Emad Abu-Shanab, and Heba Al-Quraan. "Dynamic Analysis of UTAUT." In Technology Adoption and Social Issues. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5201-7.ch031.

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The technology adoption domain is rich with studies that utilized a cross-sectional snapshot of subjects' perceptions regarding the adoption of new technology. This research tried to implement a longitudinal study that took three measures within 4 months to estimate the influence of time and experience on students' perceptions. The study adopted a modified version of the Unified Theory of Acceptance and use of Technology (UTAUT) with effort expectancy, performance expectancy, facilitating conditions, and locus of control predicting the intention to use Microsoft Project. Results supported the UTAUT and its prediction. Also, this study fitted two types of dynamic research typologies (learning curve and equilibrium circles) to the UTAUT relationships and across time.
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Di Cerbo, Francesco, Marco Scotto, Alberto Sillitti, Giancarlo Succi, and Tullio Vernazza. "Toward a GNU/Linux Distribution for Corporate Environments." In Emerging Free and Open Source Software Practices. IGI Global, 2007. http://dx.doi.org/10.4018/978-1-59904-210-7.ch010.

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The introduction of a GNU/Linux-based desktop system in a large company is often problematic. In literature, several crucial issues represent such a burden, which is often cost effective for SMEs and public administrations. Some of these are technical issues; the others are related to the training costs for the employees. Mainly, the technical obstacles are represented by different hardware configurations that might require several adhoc activities to adapt a standard GNU/Linux distribution to the specific environment, including the applications profile of the company. On the other hand, to lower the learning curve of employers, we decided to work toward adopting some GNU/Linux live distributions features. In this way, we added to our project specific functionalities, which provide new and interesting capabilities to our community of users, such as self-configuration and better usability, without losing compatibility with original distributions, which is too costly in a professional scenario for its greater maintenance cost. DSS1 (debased scripts set) tries to address the issues we mentioned above. It is a next-generation hybrid (both live and regular) distribution that includes an unmodified Debian-based GNU/Linux release and a modular-designed file system with some extended features, which we will describe in this chapter. We will also discuss the interactions with other open source communities and the positive mutual influence on DSS development process.
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Conference papers on the topic "Project influence curve"

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Hart, James D., Nasir Zulfiqar, and Joe Zhou. "Evaluation of Anisotropic Pipe Steel Stress-Strain Relationships Influence on Strain Demand." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90495.

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Buried pipelines can be exposed to displacement-controlled environmental loadings (such as landslides, earthquake fault movements, etc.) which impose deformation demands on the pipeline. When analyzing pipelines for these load scenarios, the deformation demands are typically characterized based on the curvature and/or the longitudinal tension and compression strain response of the pipe. The term “strain demand” is used herein to characterize the calculated longitudinal strain response of a pipeline subject to environmentally-induced deformation demands. The shape of the pipe steel stress-strai
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Heinemann, Till, and Stefan Becker. "Experimental Investigation of Ambient Wind Influence on the Performance of Axial Fans." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26468.

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The EU-funded MACCSol project is developing a new modular air-cooled condenser design for power plant applications in water scarce regions. In that scope, this work is to examine the influence ambient winds may have on an axial ventilator’s performance. An axial fan test rig was built inside a wind tunnel environment at the University of Erlangen to realize different wind velocities and angles. Total fan pressure was captured using an array of 81 Kiel probes. The validity of the test rig adaptations to the wind tunnel restrictions was shown in comparison to results from ISO 5801 standard fan t
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Chowdhury, Souma, Jie Zhang, Achille Messac, and Luciano Castillo. "Characterizing the Influence of Land Area and Nameplate Capacity on the Optimal Wind Farm Performance." In ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/es2012-91063.

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The development of utility-scale wind farms that can produce energy at a cost comparable to that of conventional energy resources presents significant challenges to today’s wind energy industry. The consideration of the combined impact of key design and environmental factors on the performance of a wind farm is a crucial part of the solution to this challenge. The state of the art in optimal wind project planning includes wind farm layout design and more recently turbine selection. The scope of farm layout optimization and the predicted wind project performance however depends on several other
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Hillenbrand, Hans-Georg, Andreas Liessem, Fabian Grimpe, and Volker Schwinn. "Manufacturing of X100 Pipes for the TAP Project." In 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10257.

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The application of high strength steels like X100 are considered as an economical necessity in order to supply large volumes of gas over long distances in a competitive manner. The development of the grade X100 started more than 10 years ago and has progressed significantly. Therefore the focus of actual development and research work is focused on questions regarding the installation and the service behaviour of such high strength steels. In this context the TAP project has been launched by the ENI group in order to provide answers regarding the economic viability, the technological reliabilit
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Yu, Qiming, Weiguo Wu, and Jin Gan. "CTOD Fracture Toughness Tests and Numerical Simulation for Welded Joints of Q370qE." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79858.

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In this investigation, Based on BS7448 fracture toughness test experiment standard and DNV-OS-C401, three-point crack tip open displacement (CTOD) bending tests were made using Q370qE base steel, weld seam and heat-affected zone (HAZ) samples at different sample thicknesses and at different temperature to study the elasto-plastic fracture toughness of the materials frequently used in ocean engineering structure, and the results were calculated using the p-V curves. The results show that different CTOD values corresponding to the occurrence of brittle fracture before yield strength, brittle fra
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Rampi, Lucile, Arnaud Gerthoffert, Michel Francois, Andre Bignonnet, and Pedro Vargas. "Chain Out of Plane Bending (OPB) Fatigue Joint Industry Project (JIP) Fatigue Test Program Results and Methodology." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54199.

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In 2002, several mooring chains of a deepwater offloading buoy failed prematurely within a very small time frame. These chains were designed according to conventional offshore fatigue assessment using API recommendations. With this first deepwater buoy application, a new mooring chain fatigue mechanism was discovered. High pretension levels combined with significant mooring chain motions caused interlink rotations that generated significant Out of Plane Bending (OPB) fatigue loading. Traditionally, interlink rotations are relatively harmless and generate low bending stresses in the chain links
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Bianchi, Serena, Alessandro Bianchini, Giovanni Ferrara, and Lorenzo Ferrari. "Small Wind Turbines in the Built Environment: Influence of Flow Inclination on the Potential Energy Yield." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95637.

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Increasing interest is being paid by architects, project developers and local governments to understand where small wind turbines can effectively be exploited to provide delocalized power in the built environment. The wind conditions in the rooftop area of buildings in urban locations are, however, very complex and the real adaptability of wind turbines to these environments is not yet tested both in terms of real producibility and of structural compatibility with the building themselves. In these installations, in particular, the flow which incomes on the rotors is often inclined with respect
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Marie, Stéphane, Arnaud Blouin, Tomas Nicak, et al. "Advanced Structural Integrity Assessment Tools for Safe Long Term Operation: ATLAS+ Project — Status of the Activities of the WP3 on Modelling." In ASME 2019 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/pvp2019-93580.

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Abstract The main objective and mission of the ATLAS+ project is to develop advanced structural assessment tools to address the remaining technology gaps for the safe and long term operation of nuclear reactor pressure coolant boundary systems. ATLAS+ WP3 focuses mainly on ductile tearing prediction for large defect in components: Several approaches have been developed to accurately model the ductile tearing process and to take into account phenomena such as the triaxiality effect, or the ability to predict large tearing in industrial components. These advanced models include local approach co
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Li, Qi, Hui Tang, Fujun Zhang, Zhijian Wang, and Qianyu Shi. "Dynamic Analysis of Liquid Sloshing for Shipboard Pressure Vessel." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21183.

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Abstract With the development of pressure vessel industry in China, more and more pressure vessel is widely used in the aerospace, automobile, marine project and other fields. The liquid sloshing in the device could bring adverse effect on the safety operation of the pressure vessel under the extrinsic excitation, such as the impact load results in the failure of device structure. Thus, dynamic analysis of liquid sloshing for the shipboard pressure vessel is significant. According to the little research on the design criteria and the method of the shipboard pressure vessel, this paper focuses
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Blouin, Arnaud, Stéphane Marie, Tomas Nicak, Antti Timperi, and Peter Gill. "Advanced Structural Integrity Assessment Tools for Safe Long Term Operation: ATLAS+ Project — Status of the Activities of the WP3 on Modelling in 2020." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21551.

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Abstract The main objective and mission of the ATLAS+ project is to develop advanced structural assessment tools to address the remaining technology gaps for the safe and long term operation of nuclear reactor pressure coolant boundary systems. ATLAS+ WP3 focuses mainly on ductile tearing prediction for large defect in piping and associated components: Several approaches have been developed to accurately model the ductile tearing process and to take into account phenomena such as triaxiality effects, or the ability to predict large tearing in industrial components. These advanced models includ
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