C
Críspulo Gallegos
Researcher at University of Huelva
Publications - 184
Citations - 7435
Críspulo Gallegos is an academic researcher from University of Huelva. The author has contributed to research in topics: Rheology & Viscoelasticity. The author has an hindex of 49, co-authored 182 publications receiving 6416 citations. Previous affiliations of Críspulo Gallegos include University of Seville.
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Thermo-rheological behaviour and storage stability of ground tire rubber-modified bitumens
TL;DR: In this article, the storage stability of crumb tire rubber modified bitumen has been investigated at in-service and handling temperatures (i.e., pumping, mixing, compaction, etc.) and the authors concluded that the use of rubber particle sizes lower than 0.35 mm and high shear rates during manufacturing operations is highly recommended.
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Viscous properties and microstructure of recycled eva modified bitumen
Moisés García-Morales,Pedro Partal,Francisco J. Navarro,Francisco J. Martínez-Boza,Críspulo Gallegos,N. González,O. González,María Eugenia Muñoz +7 more
TL;DR: In this paper, the viscous properties of modified bitumens (PMBs) in a wide range of temperatures were investigated using a four- blade propeller and optical microscopy.
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Effect of waste polymer addition on the rheology of modified bitumen
TL;DR: In this article, the modification of petroleum bitumen with four different types of waste polymers, including crumb tire rubber, ABS, EVA, and LDPE, was investigated.
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Tribological studies of potential vegetable oil-based lubricants containing environmentally friendly viscosity modifiers
TL;DR: In this article, the effect of the viscosity modifiers on the film-forming properties of improved vegetable oil-based lubricants (high oleic sunflower (HOSO), soybean (SYO), and castor (CO) oils) was studied.
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Viscosity modification of different vegetable oils with EVA copolymer for lubricant applications
TL;DR: In this paper, an ethylene-vinyl acetate copolymer (EVA) has been successfully tested as a viscosity modifier for several common vegetable oils, yielding potentially environmental friendly lubricants for some applications.