Results 1 to 10 of about 57,977 (235)

Pavement Deterioration Rate and Maintenance Cost for Low-Volume Roads [PDF]

open access: yesMATEC Web of Conferences, 2020
Allocated budgets for maintenance of road networks are normally limited. Therefore, not all roads receive the required attention they deserve in a timely manner. These roads are left to deteriorate until the next maintenance round.
Al-Suleiman Turki I   +3 more
doaj   +1 more source

Comparative study on microstructure evolution and failure mechanisms of ordinary and refurbished EB-PVD TBC under cyclic oxidation

open access: yesJournal of Advanced Ceramics, 2023
Refurbishment of thermal barrier coating (TBC) has become a valuable technique to prolong the service life of high-temperature components. This study investigates the effect of the refurbishment process (coating removal and recoating) on the ...
Pan Li   +5 more
doaj   +1 more source

Progress of ultrasonic vibration-assisted machining surface micro-texture and serviceability

open access: yesJin'gangshi yu moliao moju gongcheng, 2023
Ultrasonic machining, as an effective method to regulate the input external energy, is widely used in surface generation and modification. It can fabricate the microstructure through the precise regulation of interface energy.
Wenbo BIE   +5 more
doaj   +1 more source

Numerical Analysis on Global Serviceability Behaviours of Tall CLT Buildings to the Eurocodes and UK National Annexes

open access: yesBuildings, 2021
Cross-laminated timber (CLT) is an innovative engineered timber product and has been widely used for constructing tall timber buildings due to its excellent structural performance and good strength with its multi-layers of boards in both perpendicular ...
Xuan Zhao   +3 more
doaj   +1 more source

Analytical Model for the Prediction of Instantaneous and Long-Term Behavior of RC Beams under Static Sustained Service Loads

open access: yesApplied Mechanics, 2023
A great number of reinforced concrete structures are approaching the end of their service life and they are strongly affected by progressive deterioration processes due to insufficient maintenance.
Bassel Bakleh, Hala Hasan, George Wardeh
doaj   +1 more source

Reliability Testing of Wind Farm Devices Based on the Mean Time between Failures (MTBF)

open access: yesEnergies, 2023
Among the most valuable types of renewable energy available today is wind energy. The reliability of WF systems must be regularly evaluated at every stage of their “life,” from design to operation, if a wind farm energy system is to be effective and ...
Stanisław Duer   +6 more
doaj   +1 more source

Benchmark footbridge for vibration serviceability assessment under vertical component of pedestrian load [PDF]

open access: yes, 2012
Vibration serviceability criteria are governing the design and determining the cost of modern, slender footbridges. Efficient and reliable evaluation of dynamic performance of these structures usually requires a detailed insight into the structural ...
Živanović, Stana
core   +1 more source

Vibration serviceability of footbridges under human-induced excitation : a literature review [PDF]

open access: yes, 2004
Increasing strength of new structural materials and longer spans of new footbridges, accompanied with aesthetic requirements for greater slenderness, are resulting in more lively footbridge structures.
Pavić, Aleksandar   +2 more
core   +1 more source

Services and services innovation [PDF]

open access: yesJournal of Evolutionary Economics, 2008
We have witnessed a dramatic transformation of the US and western European economies in just twenty years. Built on manufacturing, today these are indubitably services-based economies. The transformation raises a number of important issues for economists, and for evolutionary economists in particular for they have long highlighted the importance of ...
Faïz Gallouj, Paul Windrum
openaire   +3 more sources

Investigation on characteristics and performance of bearing spacer ring

open access: yesFrontiers in Materials, 2023
Bearings are widely used in the industry due to their ability to support the movement of rotating bodies. The spacer rings are a key component of double-row roller bearings; therefore, the characteristics and properties of the spacer rings have a ...
Jiang Guo   +7 more
doaj   +1 more source

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