نتایج جستجو برای: rc bridge

تعداد نتایج: 65829  

Gentamicin (GM) is an antibiotic widely used against gram-negative infections. However, its clinical application is limited due to its nephrotoxicity. Oxidative stress plays an important role in the nephrotoxicity of gentamicin. Previous studies showed that Rosa canina L. (RC) fruits possess antioxidant, antimutagenic and anticarcinogenic effect. The aim of this study was to investigate the pro...

Journal: :Engineering Structures 2021

This study investigates the deterioration process and mechanism of reinforced concrete (RC) slabs in road bridges under dry stagnant water (wet) conditions. Previous studies used a simple-plate model (SPM) to predict fatigue life RC decks by considering conservative assumptions for safer assessment different environmental processes. To obtain more detailed analysis clarify result mechanism, ful...

2018
Jianchao Xu Shenggang Chen Quanquan Guo Yinghua Ye Bo Diao Y. L. Mo

U-shaped thin-walled concrete bridge beams usually suffer the combined actions of flexure, shear and torsion, but no research about the behavior of U-shaped thin-walled RC beams under combined actions has been reported in literature. Three large specimens of U-shaped thin-walled RC beams were tested under different torque–bending moment ratios (T–M ratios) of 1:5, 1:1 and 1:0 to investigate the...

Journal: :Molecules 2018
Chunyu Yang Fengqian Guo Chen Zang Cui Li Hui Cao Baoxian Zhang

Rhizoma coptidis (RC) has been used as an herbal medicine in China for over one thousand years, and it was subjected to specific processing before use as materia medica. Processing is a pharmaceutical technique that aims to enhance the efficacy and/or reduce the toxicity of crude drugs according to traditional Chinese medicine theory. In this study, the chemical profiles of RC, ginger juice pro...

2016
Saku Sugawara Akiko Aizawa

In this paper, we focus on the synthetic understanding of documents, specifically reading comprehension (RC). A current problem with RC is the need for a method of analyzing the RC system performance to realize further development. We propose a methodology for examining RC systems from multiple viewpoints. Our methodology consists of three steps: define a set of basic skills used for RC, manual...

Mirzaei, Azizullah, Poorzangeneh, Marzieh, Roohani, Ali,

Reading comprehension (RC) and critical thinking (CT) are the two basic cognitive skills that should be developed through involving language learners in a carefully planned instruction. Multiple intelligences (MI) instruction may assist learners in developing RC and CT in L2 education. This study probed the effect of MI-based reading instruction on the Iranian EFL learners’ RC and CT skills. In...

Journal: :Nondestructive Testing and Evaluation 2023

Fusion-based imaging using ground-penetrating radar (GPR) and ultrasonic echo array (UEA) was employed to track damage progression in the columns of two full-scale reinforced concrete (RC) bridge column-footing subassembly laboratory specimens. The specimens had different lap-splice detailing were subjected reverse-cyclic lateral loading simulating a subduction zone earthquake. GPR UEA scans pe...

Journal: :Bulletin of Earthquake Engineering 2022

Two identical reinforced concrete (RC) bridge piers including a rectangular and circular section are considered. The influence of corrosion damage, non-stationary characteristics ground motions, cross-sectional shape on nonlinear dynamic behaviour, failure mechanism probability these is investigated. An advanced modelling technique, capable coupled inelastic buckling low-cycle fatigue degradati...

Journal: :Applied mechanics 2022

This article investigates the potential detrimental effects of cyclic load during installation externally bonded (EB) carbon fiber-reinforced polymer (CFRP) on a damaged reinforced concrete (RC) structure. Four RC specimens were tested in three point bending to study consequences crack opening-closure epoxy-curing period. A first specimen (without CFRP) was loaded monotonically up failure serve...

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