Results 11 to 20 of about 5,355 (145)

Artefactos formatizados por picado, abrasión, pulido y modificados por uso en la depresión del Río Salado, Provincia de Buenos Aires, Argentina

open access: yesRevista del Museo de Antropologia, 2018
En el presente trabajo se analizó la confección, uso y descarte de los artefactos confeccionados por picado, abrasión, pulido y/o modificados por uso presentes en las Localidades Arqueológicas La Guillerma y San Ramón, en la cuenca inferior del río ...
Rodrigo Javier Vecchi   +1 more
doaj   +1 more source

Introduction and Application of Rotational Abrasion Device to Determine Concrete Pavement Abrasion [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2019
Abrasion susceptibility of highway pavements has a great impact on the skid resistance, and consequently accident rate. A rotational abrasion device is introduced, providing the advantage of field simulation of wheel passage, in comparison with existing ...
Mohammad-Hossain Jalal-Kamali   +2 more
doaj   +1 more source

Influences of test conditions of sandblasting on replicability of abrasion pattern of concrete subjected to hydrodynamic action

open access: yesCase Studies in Construction Materials, 2023
To determine the most suitable test conditions for sandblasting to evaluate the abrasion resistance against hydrodynamic action, a series of abrasion tests using hardened cement pastes with different water-cement ratios were performed under multiple ...
K. Ueno   +6 more
doaj   +1 more source

Estudio experimental de abrasión en guijarros

open access: yesBoletín Geológico, 1960
La carga de las corrientes de agua está afectada por dos procesos muy distintos, a saber: a) abrasión y alteración debida a los agentes químicos durante el transporte, incluyendo ruptura o fragmentación de los guijarros en ruta, y b) acción separadora ...
Alberto Sarmiento Alarcón
doaj   +1 more source

Abrasion test of flexible protective materials on hydraulic structures

open access: yesWater Science and Engineering, 2014
In this study, several kinds of flexible protective materials sprayed with polyurea elastomers (hereinafter referred to as polyurea elastomer protective material) were adopted to meet the abrasion resistance requirement of hydraulic structures, and their
Xin Wang   +4 more
doaj   +1 more source

Homemade abrasion tester and its application for abrasion resistance testing of crease points on down fabrics

open access: yesJournal of Hebei University of Science and Technology, 2017
In order to explore a new method for testing the fabric abrasion resistance, a homemade abrasion tester is designed and manufactured. The principle, structure and test method of the homemade abrasion tester are introduced.
Yidie GUAN   +4 more
doaj   +1 more source

Abrasion Behavior of Steel-Fiber-Reinforced Concrete in Hydraulic Structures

open access: yesApplied Sciences, 2020
This study investigated two types of abrasion resistance of steel–fiber-reinforced concrete in hydraulic structures, friction abrasion and impact abrasion using the ASTM C1138 underwater test and the water-borne sand test, respectively.
Yu-Wen Liu, Yu-Yuan Lin, Shih-Wei Cho
doaj   +1 more source

Abrasion Resistance and Tensile Behavior of Woven Bi-voltine Silk Fabrics

open access: yesJournal of Natural Fibers, 2022
Fabric-to-fabric abrasion was carried for soft silk fabrics at dry and wet state under 500 and 1000 cycles and abraded samples were evaluated for bursting strength.
Subrata Das
doaj   +1 more source

Multialgorithm Fusion for Milling Tool Abrasion and Breakage Evaluation Based on Machine Vision

open access: yesMetals, 2022
Aiming at the problem that the current tool status monitoring system cannot measure the area of the abrasion and breakage from the milling tool images at the same time, a new detection fusion method for milling tool abrasion and breakage based on machine
Chao Wu   +5 more
doaj   +1 more source

THE METHOD OF MATHEMATICAL MODELING OF ICE ABRASIVE EFFECTS ON BERTHING FACILITIES

open access: yesInternational Journal of Advanced Studies, 2021
The ice cover has a significant abrasive effect on the surface of marine engineering structures. In areas with high dynamics of ice cover drift, one of the most important problems of providing load-bearing capacity of structural elements is to determine ...
Anton A. Zverev   +3 more
doaj   +1 more source

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