Results 21 to 30 of about 2,024,332 (300)
Applied Sciences, 2019 Long-distance oil and gas pipelines are inevitably impacted by rockfalls during geologic hazards such as mud-rock flow and landslides, which have a serious effect on the safe operation of pipelines. In view of this, an experimental and numerical study on
Feifei Dong +4 more
doaj +1 more source
Przegląd Naukowy Inżynieria i Kształtowanie Środowiska, 2023 This study presents an experiment for investigating the residual strength and toughness of reinforced concrete, RC, and slab reinforced by a geogrid as shrinkage reinforcement along with lower tensile steel reinforcement. Three different parameters were
Aya M. E. AHMED +3 more
doaj +1 more source
Effect of Glass Fiber Hybridization on the Behavior Under Impact of Woven Carbon Fiber/Epoxy Laminates [PDF]
, 2010 The low-velocity impact behavior was studied in hybrid laminates manufactured by RTM with woven carbon and glass (S2) fabrics. Specimens with different thicknesses and glass fiber content (from 0 to 21 vol.%) were tested with impact energies in the range
A. Enfedaque +6 more
core +2 more sources
Analysis of impact load on tubing and shock absorption during perforating
Open Physics, 2019 During the past few decades, the technologies of the higher-shot densities, larger perforating guns and tubing-conveyed perforation (TCP) combined well testing have been used widely used for well completions.
Deng Qiao +4 more
doaj +1 more source
Mechanical response of aluminum foam sandwich structure under impact load
Materials Research Express, 2022 This study investigates the mechanical response of aluminum foam sandwich panels, sandwich cylindrical shells, and sandwich shallow shells under impact loads.
Wenke Lu, Junyan Zhang
doaj +1 more source
Buildings, 2023 In this article, a partial selection of experiments on enhancing the impact resistance of structural components with non-metallic, textile-reinforced concrete is discussed. The focus is on the experimental investigations in which the impact resistance of
Marcus Hering +3 more
doaj +1 more source
The effect of military load carriage on ground reaction forces [PDF]
, 2007 Load carriage is an inevitable part of military life both during training and operations. Loads carried are frequently as high as 60% bodyweight, and this increases injury risk. In the military, load is carried in a backpack (also referred to as a Bergen)
Birrell, Stewart A. +2 more
core +1 more source
The Anti-Impact Characteristics of Cables under Impact Load
Energies, 2023 The cable plays a vital role in roadway support. As the last barrier to prevent roof collapse and impact disaster accidents, it is of great significance to study stress characteristics of cables under impact dynamic load to guide the rock burst roadway ...
Xiaoyong Lian +3 more
doaj +1 more source
Study on Dynamic Response and Progressive Collapse Resistance of Space Steel Frame Under Impact Load
BuildingsThe dynamic response of multi-story steel frames under impact loading exhibits a complex nonlinear behavior. This study develops a three-story, multi-scale spatial steel frame finite element model using ABAQUS 2023 software, and the contact algorithm and
Junling Jiang +2 more
doaj +1 more source
How Can Viral Dynamics Models Inform Endpoint Measures in Clinical Trials of Therapies for Acute Viral Infections? [PDF]
, 2016 Acute viral infections pose many practical challenges for the accurate assessment of the impact of novel therapies on viral growth and decay. Using the example of influenza A, we illustrate how the measurement of infection-related quantities that ...
Anderson, RM +6 more
core +3 more sources