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Do Guen Yoo, Doosun Kang, Hwandon Jun and Joong Hoon Kim
This paper describes a study conducted to develop a method to facilitate more reliable determination of the rehabilitation priority order for water pipes by taking into account the pipes? hydraulic importance. Existing methods use only the pipeline deter...
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Zewen Zhu, Kuai Ye, Xinhua Yu, Zefang Lin, Gangzong Xu, Zhenyou Guo, Shoushan Lu, Biao Nie and Huapeng Chen
The technical condition of bridges has become a crucial issue for organizing the maintenance and repairs in bridge management systems. It is of great practical engineering significance to construct an effective model for predicting the technical conditio...
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Xuguo Jiao, Guozhong Wang, Xin Wang, Zhenyong Zhang, Yanbing Tian and Xiwen Fan
Due to physical limitations and safety requirements, the rate and amplitude of change in wind turbines? pitch angle are limited, which will bring integral saturation problems to the control system. This leads to the deterioration of the pitch control sys...
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Hu Qixiang, Yang Yang, Shi Weidong, Cao Weidong and Shi Yansheng
Cavitation is regarded as a considerable factor causing performance deterioration of pumps under off-design conditions, especially at overload conditions. To investigate the unsteady cavitation evolution around the tongue of a pump volute, and its influe...
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Seyed Amirhossein Hosseini and Omar Smadi
One of the most important components of pavement management systems is predicting the deterioration of the network through performance models. The accuracy of the prediction model is important for prioritizing maintenance action. This paper describes how...
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Prima Yane Putri,Keiyu Kawaai,Isao Ujike,Saya Yamamoto
Pág. 103 - 108
Concrete is the most widely used construction material in civil engineering. But plain concrete is a brittle material and has little resistance to cracking. The cracking in concrete promotes deterioration such as the corrosion of reinforcing rebar, there...
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Micha Tomkiewicz
The paper uses the framework of the IPAT equation, as applied to CO2 emission, to decompose the various driving forces in the global energy use. Data from recent history are superimposed on projections of SRES IPCC scenarios to determine if en...
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Daniel N. Farhey
This paper demonstrates a comprehensive national network-level analysis to determine the relative deteriorations and operational structural performances of the various types of bridge structural design and/or construction. The study analyzes the entire d...
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Daniel N. Farhey
This paper demonstrates a comprehensive national network-level analysis to determine the relative deteriorations and operational structural performances of the various types of bridge structural design and/or construction. The study analyzes the entire d...
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Kai-Lin Huang, Yang Song and Yan-Min Sheng
In order to alleviate the increasing serious urban waterlogging problem, the rainstorm resistance of a new self-compacting recycled pervious concrete (NSRPC) under the coupling of freeze?thaw (F-T) and fatigue is studied. The once-in-a-century rainfall w...
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Desty Pratiwi, Dadan Sumiarsa, Dina Oktavia and Sunardi Sunardi
Self-purification plays an important role in water regulating ecosystem services aimed at protecting river water quality from pollutant inputs. The Citarum River is the longest river in West Java, Indonesia where the water quality has declined due to pol...
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Zhushuai Wang, Yu Yang, Yu Xu, Changhao Xin, Pengfei Liang and Ning Guo
This paper presents two experimental schemes, graded cyclic loading and unloading, and variable lower limit cyclic loading and unloading, to investigate the energy evolution and acoustic emission characteristics of rocks under different cyclic loading an...
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Shan Liu, Fengxia Han, Shiqi Zheng, Songpu Gao and Guoxing Zhang
Concrete that self-compacts is frequently utilized in engineering construction. Recycled coarse aggregate self-compacting concrete (RCASCC) is made by partially substituting recycled coarse aggregates (RCA) for natural coarse aggregates in order to conse...
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Desirée Sánchez-Nieto, Sergio Castaño-Castaño, Remedios Navarro-Martos, Esteban Obrero-Gaitán, Irene Cortés-Pérez and Francisco Nieto-Escamez
(1) Background: Although cognitive impairment is considered the core deficit of dementia, anxiety disorders also have a negative influence on the social and daily life of the affected population. We have explored the exposure of relaxing scenarios in imm...
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Frieder Lörcher, Sandra Hub, Marlène Sanjosé and Stéphane Moreau
For a backward curved centrifugal fan, reducing volume flow rate from design operating point towards part load yields an increase in noise emission together with a reduction of efficiency. The spectral content of the emerging noise emission can be charac...
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Arkadiusz Jamrozik, Wojciech Tutak and Karol Grab-Rogalinski
The search for alternative fuels that can limit the use of traditional fossil fuels to power internal combustion engines is one of the main tasks faced by both the modern automotive industry and the modern energy industry. This paper presents experimenta...
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Qiang Ma, Changlei Dai, Huijun Jin, Sihai Liang, Victor F. Bense, Yongchao Lan, Sergey S. Marchenko and Chuang Wang
Human activities have substantially altered present-day flow regimes. The Headwater Area of the Yellow River (HAYR, above Huanghe?yan Hydrological Station, with a catchment area of 21,000 km2 and an areal extent of alpine permafrost at ~86%) on the north...
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Esteban Lannutti,María Gabriela Lenzano,Jorge Barón,Marcelo Durand,Luis Lenzano
Pág. 446 - 465
The Puente del Inca, next to the homonymous village, is a natural bridge located on the Cuevas River, at about 2,700 m above sea level in the Central Andes of the province of Mendoza, Argentina. Declared Provincial Natural Monument in 2005, since the beg...
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Beldi Lamia,Mouldi Djelassi
Pág. 69 - 78
The political transition in the Arab Spring countries has been accompanied by a deterioration of economic and financial indicators like in the Tunisian case. This paper aims to get a deeper understanding of the nature of the rule that reflects the behavi...
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Rajinikanth Rajagopal, Mahbuboor Rahman Choudhury, Nawrin Anwar, Bernard Goyette and Md. Saifur Rahaman
The up-flow anaerobic sludge blanket (UASB) process has emerged as a promising high-rate anaerobic digestion technology for the treatment of low- to high-strength soluble and complex wastewaters. Sewage, a complex wastewater, contains 30?70% particulate ...
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