Results 11 to 20 of about 406,322 (263)

Characterization and Damage of Brick Masonry [PDF]

open access: yes, 2013
Clay brick is among the oldest used masonry materials. Given the technological evolutions since the industrial revolutions, old brick are much dif-ferent from todays’ bricks. This chapter provides a review on the chemical, physi-cal and mechanical properties of mortar, brick and masonry.
Lourenço, Paulo B.   +3 more
openaire   +2 more sources

Damage in Rubble Mound Breakwaters. Part II: Review of the Definition, Parameterization, and Measurement of Damage

open access: yesJournal of Marine Science and Engineering, 2020
Damage in rubble mound breakwaters has been addressed for more than 80 years and, as reported in “Part I: Historical review of damage models”, a considerable number of hydraulic instability models have been proposed up to date.
Álvaro Campos   +2 more
doaj   +1 more source

Statistical Characterization of Damage of Different Surface P-Wave Velocity Sets under Dynamic Load and Study on Overall Radon Detection Consistency

open access: yesLithosphere, 2021
On the basis of reviewing the existing research status of cumulative damage of the rock mass and summarizing the existing engineering application fields of radon, this paper attempts to apply radon detection technology to the research field of rock ...
Shuai Zhang   +5 more
doaj   +1 more source

Characterization of Low-Velocity Impact Damage in Asymmetric Composite Shells [PDF]

open access: yesJournal of Applied and Computational Mechanics
Based on numerical modelling, this study investigates asymmetric semicylindrical composite laminate shells' damage characteristics under low-velocity impact loads.
Luis Ferreira, Carlos Coelho, Paulo Reis
doaj   +1 more source

Monitoring of jute/hemp fiber hybrid laminates by nondestructive testing techniques

open access: yesScience and Engineering of Composite Materials, 2016
Damage following static indentation of jute/hemp (50 wt.% total fiber content) hybrid laminates was detected by a number of nondestructive testing (NDT) techniques, in particular, near (NIR) and short-wave (SWIR) infrared reflectography and ...
Sfarra Stefano   +4 more
doaj   +1 more source

Characterization of Impact Damage in Composite Plates

open access: yesStrojniški vestnik - Journal of Mechanical Engineering, 2018
Low-velocity impact on composites typically produces a barely visible damage at the impacted surface. The internal defects can be complex, consisting of multimode damage and the extent of the impact damage normally spreads across the thickness under the impacted surface.
Murat, BIS   +3 more
openaire   +3 more sources

Comparative study on damage characterization and damage evolution of rock under uniaxial compression

open access: yesYantu gongcheng xuebao, 2019
The evolution of stress-strain data, acoustic emission (AE) and ultrasonic characteristics of granite under uniaxial compression are synchronously tested by using the ultrasonic wave and AE synchronous monitoring devices.
ZHANG Guo-kai 1,2, LI Hai-bo 2, WANG Ming-yang 1,3, LI Jie 3, DENG Shu-xin 1
doaj   +1 more source

Characterization of mechanical damage in granite [PDF]

open access: yesFracture and Structural Integrity, 2014
This paper aims to illustrate the use of infrared thermography as a non-destructive and non-contact technique to observe the phenomenological manifestation of damage in granite under unconfined compression. It allows records and observations in real time
Minh-Phong Luong, Mehrdad Emami
doaj   +1 more source

Quantitative characterization of coal mining damage and its application in numerical simulation

open access: yes矿业科学学报, 2023
Coal seam mining causes deformation, fracture and migration of overlying rock, further leading to the surface subsidence and ecological damage, which are the main manifestations of mining damage.Quantitatively characterize mining damage is the key to ...
Zhang Cun   +5 more
doaj   +1 more source

Disaggregation and discretization methods for formation damage estimation in oil and gas fields: an overview

open access: yesDyna, 2020
Formation damage could potentially impede production and injection operations. Hence, characterization and discretization processes of formation damage should be connected to quantification and disaggregation techniques, relying on characterization ...
Oscar E Medina   +6 more
doaj   +1 more source

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