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Masumi Inoue, Heesup Choi, Yuhji Sudoh, Koichi Ayuta
Pág. 22 - 24
This study aimed to clarify the leaching properties of nitrite ions in nitrite-type repair materials exposed to rainfall. Repaired concrete specimens were prepared for leaching tests using a lithium nitrite solution, and the amounts of leaching and penet...
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Obinna Onuaguluchi and Nemkumar Banthia
A realistic forecast of the impact of CaCl2-blended acrylic polymer (CP) emulsions on steel reinforcement corrosion is difficult without a detailed study. This is traceable to the conflicting effects of cement additives on the chloride threshold value, p...
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José Amparo Rodríguez García,Eddie Nahúm Armendáriz Mireles,Roque Roberto López Ceballos,Enrique Rocha Rangel,Carlos Adrián Calles Arriaga,Ricardo Daniel López García
Pág. 465 - 472
The present research is focused on synthesizing and physically characterization different mixtures of concrete mortar reinforced with thermostable polymers from industrial waste. The mortars were made from the homogeneous mixture of cement, gravel, and w...
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O. M. Pshinko,O. V. Krasniuk,T. V. Ulchenko
Pág. 162 - 166
The theoretical justification of research of injection parameters and setting the regime of mortar motion in a pipeline by compressed air jet is presented.
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Xinyao Xie, Zixiong Guo, Syed Humayun Basha and Qunxian Huang
A new type of strengthening technique for existing reinforced concrete (RC) shear walls was proposed using steel wire mesh (SWM) and polymer mortar. The experimental campaign consists of testing one conventional RC shear wall specimen and four specimens ...
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Khuram Rashid,Tamon Ueda,Dawei Zhang
Pág. 93 - 102
In this experimental and analytical work, interfacial shear strengths were evaluated at material and member level. Bi-surface shear strength was performed at material level and three-point bending test was conducted at member level. Beams were strengthen...
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Yan?e Yang, Bo Pang, Yunsheng Zhang, Minghui Wang, Gaixia Miao and Aoxiang Zhou
The properties of a large number of concrete infrastructures in China are deteriorating year by year, raising the need for repairing and strengthening these infrastructures. By introducing waterborne polymers into a cement concrete system, brittle cracks...
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Toni Utech, Tobias Neef, Viktor Mechtcherine and Christina Scheffler
Nature provides various templates for integrating organic and inorganic materials to create high-performance composites. Biological structures such as nacre and the structural elements of the glass sponge are built up in layers, leading to remarkable fra...
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Min Ook Kim
This is an experimental study showing the effect of four types of polymers (acrylate polymer (AC), polyvinyl alcohol (PVA), styrene?butadiene rubber (SBR), and ethylene-vinyl acetate (EVA)) on the mechanical properties of polymer-modified cement mortars ...
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Xiaofei Zhang, Weidong He, Yongwang Zhang, Cheng Chen and Xun Wu
This paper presents an experimental study on the tensile behavior of basalt-fiber-grid-reinforced mortar (BGRM) before and after exposure to an elevated temperature of 300 °C considering the effect of fiber grid type, short polyvinyl alcohol fiber (PVA),...
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Dong-Min Kim, In-Ho Song, Ju-Young Choi, Seung-Won Jin, Kyeong-Nam Nam and Chan-Moon Chung
Linseed oil undergoes an oxidative drying reaction upon exposure to air, resulting in a soft film. The reaction conversion after 48 h reached 88% and 59% when it reacted at room temperature and −20 °C, respectively. Linseed-oil-loaded microcaps...
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E. Bernat-Maso,C. Escrig,L. Gil
Pág. e157
Materiales tipo Fibre Reinforced Polymer (FRP) y Textile Reinforced Mortar (TRM) han sido estudiados, comparados y aplicados para reforzar muros de fábrica de ladrillo. La comparación de su comportamiento frente a efectos de flexión de segundo orden se a...
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Turibio José da Silva, Wemerton Evangelista
Pág. Page 113 - 120
This work is the result of a research of structural behavior of reinforced concrete columns subjected to a process of partial repair, with sustained load during the whole process. The repair has been executed with mixed material, constituted by a mortar ...
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Panuwat Joyklad, Hafiz Ahmad Waqas, Abdul Hafeez, Nazam Ali, Ali Ejaz, Qudeer Hussain, Kaffayatullah Khan, Arissaman Sangthongtong and Panumas Saingam
Many masonry structures are constructed with cement clay interlocking brick (CCIB) due to its added benefits. Recent research has demonstrated the vulnerability of brick masonry walls against seismic loading. Various strengthening materials and technique...
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M. S. M. Al-kahtani, Han Zhu, Yasser E. Ibrahim, S. I. Haruna and S. S. M. Al-qahtani
Polymer-modified cement mortar has been increasingly used as a runway/road pavement repair material due to its improved bending strength, bonding strength, and wear resistance. The flexural strength of polyurethane?cement mortar (PUCM) is critical in ach...
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Idris Bedirhanoglu
One of the reasons that cause the collapse of buildings is deficient short columns, which need to be retrofitted to prevent the collapse of the building in a potential earthquake. External reinforced concrete (RC), steel plates, and fiber-reinforced poly...
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Panuwat Joyklad, Nazam Ali, Salvatore Verre, Hassan M. Magbool, Amr Elnemr, Muhammad Irshad Qureshi, Qudeer Hussain and Krisada Chaiyasarn
In the past, fiber-reinforced polymer (FRP) composites have been extensively used to modify the structural response of masonry brick walls. The promising advantages of FRP composites are easy application, lightweight, and very high tensile strength. Howe...
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Md. Moshiur Rahman, Mohd Zamin Jumaat, Md. Akter Hosen, A. B. M. Saiful Islam
Pág. 61 - 72
This paper presents the experimental behavior of reinforcement concrete beams strengthened with near surface mounted (NSM) steel bar. Several researchers have used NSM fiber reinforced polymer (FPR) bar or strip for strengthening reinforced concrete beam...
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