نتایج جستجو برای: self healing concrete

تعداد نتایج: 656109  

Journal: :international journal of social sciences 0
masoumeh esmaeily assistant professor of advisory department, allameh tabatabai university

in this study, attempts have been made to investigate the self-healing factors in marital conflicts, with an emphasis on the views of ayatollah javadi amoly in anthropology. a holistic approach based on strong points of marriage is better suited to meet different needs of couples, contributing to the resolution of conflicts, as compared to an approach that deals with strengths and self-healing ...

Journal: :Construction and Building Materials 2021

• Water penetration in concrete with different cracks is evaluated by chloride penetration. The evaluation of self-healing through presents reliable results. UHPFRC shows better than conventional and high-performance concretes. This study a novel methodology to evaluate the capability Ultra High-Performance Fiber-Reinforced Concrete (UHPFRC) designed compare types. procedure used combines loadi...

Journal: :Frontiers in Built Environment 2021

Bacteria-based self-healing concrete has the ability to heal cracks due bacterial conversion of incorporated organic compounds into calcium carbonate. Precipitates seal cracks, theoretically increasing service life constructions. The aim this paper is propose a precursor for bacteria-based derived from waste streams, produced in line with circular economy principle and ideally more affordable t...

Journal: :iau international journal of social sciences 2015
masoumeh esmaeily

in this study, attempts have been made to investigate the self-healing factors in marital conflicts, with an emphasis on the views of ayatollah javadi amoly in anthropology. a holistic approach based on strong points of marriage is better suited to meet different needs of couples, contributing to the resolution of conflicts, as compared to an approach that deals with strengths and self-healing ...

Journal: :Buildings 2022

The sustainability of the construction industry is a priority in innovations made towards mitigating its notoriously high carbon emissions. Developments low-carbon concrete technology are peak interest today under scrutiny emerging policy pressures. Concrete external part most structures vulnerable to permanent degradation and weathering, possibility an intrinsic restoration engineering propert...

Ali Delnavaz, Pouria Javadi

Self-compacting concrete is a new high performance concrete with high ductility and segregation resistance. In recent years, construction material manufacturers have focused their attention on lightweight concrete and have strived to use lightweight concrete, if possible, in load-bearing parts of buildings. Concrete with both self-compacting and lightweight properties is favourable in this cont...

Journal: :MATEC web of conferences 2023

Due to its low tensile strength and the presence of defects brought on by improper construction methods or other factors, cracks in concrete are practically inevitable. For reinforced-concrete structures, even if do not necessarily increase risk collapse, they unquestionably hinder aspects such as service life. Self-healing cementitious materials have been developed because growing concern for ...

Journal: :American journal of agricultural science, engineering, and technology 2021

This study examines the impact of bacterial concrete on strength and self-healing. Bacterial has better compressive strength, permeability, corrosion resistance, chemical precursors, alkalinity mechanical stress. Bacillus subtilis calcium lactate spore powder effects are explored in this study, influence form self-healing capacity to crack repair. The concentration 105 cells/mL is used with 0.3...

2016
Yong-Soo Lee Jae-Suk Ryou

Various self-healing methods for concrete, such as the use of supplementary cementitious materials, adhesive agents, mineral admixtures, and bacteria, have been suggested to date, and each of these has merits and demerits. Among these, however, the use of cementitious materials may be appropriate due to their good healing efficiency, low cost, and compatibility with the cement matrix. In this s...

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