Dec 1, 2023 · Cracks and cavities belong to two basic forms of damage to the concrete structure, which may reduce the load-bearing capacity and tightness of the structure and lead to failures …

As a fundamental problem with respect to the chloride-induced corrosion of reinforcing bars, concrete cover cracking time is regarded as one of the most essential characteristics in …

Chloride is a very important factor which influences the durability of concrete structures in their service life. It can induce the steel corrosion and concrete cover cracking. Ingress of chloride …

Firstly, a series of accelerated chloride diffusion experiments were conducted on prestressed concrete beams subjected to multiple cracks. The analysis examines how crack width, depth, …

Mar 28, 2022 · Reinforced concrete (RC) structures have been severely threatened by chloride attacks during long-term service, particularly under mechanical loading conditions. This study …

Jan 1, 2011 · Cracking of the reinforced concrete structural members alters the local transport properties of the concrete cover, and allows rapid ingress of chloride ions and onset of …

May 29, 2024 · One answer is to use concrete mixes that facilitate internal curing. This process helps concrete reach its maximum potential for chloride resistance by mitigating early-age …

Chloride-induced corrosion of a steel bar in concrete has become one of the leading causes of the deterioration of concrete reinforcement structures exposed to a saline environment [1].

Jan 9, 2025 · Components exposed to chlorides, such as those in parking garages, pose a particular challenge. Here, the question arises as to which strategy can be used to achieve the …

Dec 4, 2013 · Corrosion of reinforced concrete (RC) structures is one of the significant causes of deterioration of reinforced concrete (RC) structures. Chlorination is a major process governing …

Apr 5, 2022 · Cracks create preferential/free paths for the penetration of chlorides, water, and oxygen into concrete; thus, the presence of cracks in concrete can intensify chloride-induced …

Mar 29, 2016 · Chloride-induced corrosion of steel rebar is one of the primary durability problems for reinforced concrete structures in marine environment. Furthermore, if the surfaces of …

Mar 15, 2016 · Chloride diffusion in concrete depends on the width, density and tortuosity of cracks. Effective crack width and density were proposed to describe the effect of cracks on …

5 days ago · Early-aged cracks due to hydration heat and drying shrinkage occur unavoidably in reinforced concrete (RC) structures. These cracks may be the main routes through which …

6 days ago · The tragic collapse of Champlain Towers South (CTS), which claimed 98 lives on June 24, 2021, in Surfside, Florida, stands as one of the most devastating structural failures in …

5 days ago · Friedel’s salt is a common hydrate of cement concrete in chloride environment, and the change of its performance will affect the performance of cement paste and the safety of …

May 19, 2021 · In this work, the transport of chlorides in cracked concrete is studied, obtaining the coefficients of stationary and non-stationary diffusion, the period of initiation of the corrosion, …

Jan 1, 2025 · Chloride ions continue to penetrate into the interior of the concrete, eroding and degrading the concrete material, reducing the structural load-bearing capacity, and even …

2.2. Sample Preparation. Concrete is prepared according to the standard for test methods of the mechanical properties of ordinary concrete (GB/T 50081-2019) [].Cement, fly ash, aggregate, …

Mar 14, 2025 · 3. Heaving Cracks . Heaving cracks occur when sections of concrete are pushed upward, creating uneven surfaces and significant fractures. This type of crack is common in …

The chloride ion concentration on the concretes surface C s, was taken as 0.599 mol/L, which represents constant exposure to sea water at a 3.5 % NaCl concentration. Using the work of …

Mar 26, 2025 · The rock–concrete bi-material structures, as compositions of a natural construction material (rock) and artificial one (concrete), can be extensively found in civil engineering. The …

1 day ago · The carbonation-induced corrosion of steel reinforcement stands out as a pivotal factor impacting the durability of RC structures through processes of acidification and de …