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Shaofei Zhou, Xu Liang, Jiandong Gao, Bo Ye, Chengyu Li, Jin Qian, Jiangtao Shu and Ying Ye
This study proposed the use of polyaniline?alkaline copper carbonate composites as anti-corrosion and anti-biofouling concrete additives and established a set of high-dispersion preparation methods for this composite additive. The effects of polyaniline?...
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Ki-Bong Park and Xiao-Yong Wang
The increase in CO2 concentrations and global warming will increase the carbonation depth of concrete. Furthermore, temperature rise will increase the rate of corrosion of steel rebar after carbonation. On the other hand, compared with normal ...
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Robert E. Melchers and Henry Humphrey
The alkali?aggregate reactivity (AAR) of concrete, long known for mass concrete, can also induce corrosion of steel in reinforced concrete structures. Several examples are given for which the origin of observed reinforcement corrosion and loss of concret...
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Amir Poursaee and Brandon Ross
The majority of works in the field of chloride-indued corrosion of steel in concrete are focused on the cracks formed by the corrosion products. However, the number of studies on the influence of cracks (pre-cracked concrete) on corrosion is limited. Cra...
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Agus Maryoto,Takumi Shimomura
Pág. 67 - 75
Corrosion expansion of prestressed concrete (PC) tendon affects mainly crack width on surface of concrete. This paper simulates corrosion expansion of PC tendon in concrete. Elastic expansion model is utilized for growing of corrosive product as a result...
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Fengge Li, Chen Chen and Zehui Xiang
To investigate the effects of concrete canvas (CC) and carbon fiber reinforced plastic (CFRP) reinforcement on the mechanical properties of corroded reinforced concrete columns (compressive strength, flexure strength, strength of extension, and so on), 4...
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Vyacheslav Troyan,Nadiia Sova
Pág. 13 - 19
The paper reports results of examining the influence of modifier admixtures on the corrosion resistance of concrete for reinforced concrete sleepers based on the criteria of electric resistance, resistance to alkaline corrosion and corrosion due to the c...
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Yajian Wang, Pengpeng Li, Huifang Liu, Wentao Wang, Yang Guo and Linbing Wang
The main part of sewer pipelines is commonly made up of precast reinforced concrete pipes (RCPs). However, they often suffer from microbiologically induced concrete corrosion (MICC), which has made them less durable than expected. In this study, three-ed...
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Zhenhao Zhang, Hesheng Li, Jun Xiong, Fuming Wang, Leijun Wei and Lu Ke
This article studies the quantitative relationship between the target reliability index and the design service life for concrete main girders of cable-stayed bridges. A resistance degradation model of the concrete components is established by quantifying...
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Evgenii M. Shcherban?, Sergey A. Stel?makh, Alexey Beskopylny, Levon R. Mailyan and Besarion Meskhi
The problem of increasing the service life of buildings and structures for agricultural purposes operated in aggressive environments is relevant. The aim and scientific novelty of the work were to determine the relationship between the structure and prop...
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Antonio Bossio, Giuseppe Faella, Giorgio Frunzio, Mariateresa Guadagnuolo and Roberto Serpieri
In the past century, precast reinforced concrete has become the most widely used construction material in infrastructure engineering, especially for long-span structures. Nowadays, a growing research area concerns the assessment of concrete strength degr...
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Oksana Shkromada,Andriy Paliy,Oleksandr Nechyporenko,Oleksandr Naumenko,Valentyna Nechyporenko,Olexandr Burlaka,Alexander Reshetnichenko,Oleksandr Tsereniuk,Olha Shvets,Anatoliy Paliy
Pág. 14 - 23
When examining concrete in livestock buildings, signs of corrosion and destruction of concrete floors and walls were found. Experimental studies have identified main critical points that directly affected concrete continuity. Excessive moisture, use of c...
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O. I. Dubchynchyk
Pág. 109 - 112
The article examines the questions of the work of reinforced concrete span structures of railway bridges having damages in the form of corrosions of the concrete and armature and offers the dependencies for determination of the measure of damage accumula...
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Pascual Saura Gómez, Javier Sánchez Montero, Julio Emilio Torres Martín, Servando Chinchón-Payá, Nuria Rebolledo Ramos and Óscar Galao Malo
Most regulations on the manufacturing of concrete for reinforced concrete structures rest on durability models that consider the corrosion of reinforcements. Those models are based on factors such as humidity, frost, presence of chlorides, and internal c...
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Yury A. Villagrán-Zaccardi, Carlos M. Pico-Cortés, Juan M. Etcheverry, Lautaro R. Santillán and María E. Sosa
Recycled aggregate produced from crushed waste concrete is suitable for use in structural concrete. It reduces the demand for non-renewable resources and also for energy in general. However, RA is more porous than most natural aggregates. The porosity of...
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Rihua Yang, Yiming Yang, Peng Liu and Xinzhong Wang
To study the effect of the local corrosion of prestressed steel strands on the shear failure mode and shear bearing capacity of concrete beams, unilateral steel strands in four post-tensioning prestressed concrete (PC) beams are corroded, and the shear t...
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Astutiningsih, S.,Rustandi, A.,Noermalasari, D.
Pág. 89 - 95
Corrosion behavior of steel bar in fly ash- and kaolin-based geopolymer concrete immersed in aggressive media of distilled water and ASTM seawater was compared to Portland cement concrete having similar mix design. An accelerated corrosion by applying 3 ...
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Gunilla Herting and Inger Odnevall
The corrosion performance of Aluminium (Al) and zinc (Zn) is of interest in repositories for radioactive waste as the production of hydrogen gas during their anoxic corrosion may create open pathways for the transport of radioactive ions. Al and Zn rods ...
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Ji Qian, Peiyun Zhang, Yongqiang Wu, Ruixin Jia and Jipeng Yang
The corrosion of reinforced concrete (RC) is one of the most serious durability problems in civil engineering structures, and the corrosion detection of internal reinforcements is an important basis for structural durability assessment. In this paper, th...
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Bingliu Wu, Ke Xu, Mingchang Yang, Zheng Dong, Jianwen Shao, Chuanqing Fu and Wenhao Ni
Reinforcement corrosion significantly impacts the service life of reinforced concrete structures. The present study investigates the circumferential and longitudinal non-uniformity of steel corrosion in concrete subjected to mechanical load. Results indi...
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