Results 21 to 30 of about 65,414 (115)

Study on Chloride Ion Diffusion Behavior in Cracked Cement Mortar with High Fly Ash Content

Zhongwai Gonglu
In order to explore the diffusion behavior of chloride ions in cracked cement mortar with high fly ash (FA) content, this study fabricated cement mortar specimens with different FA contents and crack widths by artificially prefabricating cracks.
LIU Yang, MAO Shengzhe, LU Naiwei
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Study on Chloride Ion Diffusion Model in Crack Zones of Saturated Concrete Structure

Zhongwai Gonglu
In order to accurately characterize the behavior of cracks in accelerating chloride ion transport on both sides of the concrete, the concept of effective influence distance of cracks was proposed, and the crack pores were non-uniformly distributed ...
PENG Jianxin, ZHOU Pengcheng, CHENG Xiaokang, ZHOU Yadong   +3 more
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Quantifying the protective efficacy of GN anti-chloride admixture on durable performance of concrete in chloride ion erosion environments

Measurement: Sensors
This study evaluates the effectiveness of GN (Graphene Nanoplatelets) salt inhibitor-treated concrete in inhibiting chloride ion diffusion and corrosion compared to untreated concrete under various erosion conditions.
Longzhen Wang, Qian Zhao, Chunhui Miao, Changhong Liu, Hongwei Wang   +4 more
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Chloride Ion Corrosion Resistance of Innovative Self-Healing SMA Fiber-Reinforced Engineering Cementitious Composites under Dry-Wet Cycles for Ocean Structures

Buildings, 2023
To evaluate the chloride ion corrosion resistance of proposed innovative self-healing concrete based on shape memory alloys (SMA) and engineering cementitious composites (ECC), a total of 2 kinds of 22 specimens were prepared.
Weihong Chen, Yi Liu, Hui Qian, Peng Wu, Yingxiong Wu, Fanghao Liu   +5 more
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Erratum to: Study on Chloride Ion Penetration Resistance of Rubberized Concrete Under Steady State Condition

MATEC Web of Conferences, 2016
The abstract of the article should be replaced by the abstract below: In this paper, the effect of crumb rubber, CR as fine aggregate in the concrete to enhance concrete durability against chloride ion diffusion was studied.
Md Noor Nurazuwa, Yamamoto Daisuke, Hamada Hidenori, Sagawa Yasutaka   +3 more
doaj   +1 more source

Effect of Exposure Time and Diffusion Depth on Chloride Ion Binding Capacity of Concrete

工程科学与技术, 2010
:An exposure experiment of concrete was carried out in marine atmospheric environment,the total chloride ion and free chloride ion contents of concrete were determined.The characteristics of free chloride ion and bound chloride ion contents changing ...
Wu Qingling, Yu Hongfa, Liang Limin
doaj  

Developing an artificial neural network model to evaluate chloride diffusivity in high performance concrete

HBRC Journal, 2013
Chloride attack is one of the major causes of deterioration of reinforced concrete structures. In order to evaluate chloride behavior in concrete, a reasonable prediction for the diffusion coefficient of chloride ion (Dc), which governs the mechanism of ...
O.A. Hodhod, H.I. Ahmed
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Chloride Ion Diffusion Resistance of Bulk Hydrophobic Concrete: Comparison of w/c and Dosages

Nordic Concrete Research, 2023
Post-cast application of hydrophobic agents onto hardened concrete is successful at reducing external ion diffusion into cement paste, this work examines pre-cast application of hydrophobic admixtures in fresh concrete.
Rogers Patrick, Silfwerbrand Johan, Selander Anders, Trägårdh Jan, Utgenannt Peter   +4 more
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Evaluation of Relationship between Water Absorption and Durability of Concrete Materials

Advances in Materials Science and Engineering, 2014
Environment has significant effects on the water absorption of concrete materials. This paper presents an experimental study of the influence of water absorption on the durability of concrete materials.
S. P. Zhang, L. Zong
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Applicability of Diffuse Ultrasound to Evaluation of the Water Permeability and Chloride Ion Penetrability of Cracked Concrete

Sensors, 2018
This study aims to explore the applicability of diffuse ultrasound to the evaluation of water permeability and chloride ion penetrability of cracked concrete. Lab-scale experiments were conducted on disk-shaped concrete specimens, each having a different
Eunjong Ahn, Seongwoo Gwon, Hyunjun Kim, Chanyoung Kim, Sung-Han Sim, Myoungsu Shin   +5 more
doaj   +1 more source