Results 1 to 10 of about 173,785,883 (337)

Structure, Fractality, Mechanics and Durability of Calcium Silicate Hydrates

open access: yesFractal and Fractional, 2021
Cement-based materials are widely utilized in infrastructure. The main product of hydrated products of cement-based materials is calcium silicate hydrate (C-S-H) gels that are considered as the binding phase of cement paste. C-S-H gels in Portland cement
Shengwen Tang   +6 more
doaj   +2 more sources

Research on Cracking Control of Immersed Tube Tunnels Concrete by Pre-heating treatment [PDF]

open access: yesE3S Web of Conferences, 2021
Herein, the pre-heating treatments are researched. With diversity of zone and temperature, highest average temperature of the section 10cm below surface was 14.7°C, which is lower than that of the concrete block.
Yu Fang   +4 more
doaj   +1 more source

Preparation and Performance Research of Concrete Appearance Beautification Material [PDF]

open access: yesCailiao Baohu, 2021
For improving the concrete structure appearance and service durability, a kind of concrete appearance beautification and anti-corrosion material was developed.
TANG Shi, ZHANG Peng-fei, ZHANG Jin-hao, CHEN Yu-chen
doaj   +1 more source

Study on Numerical Simulation of Influence of Sea Mud Resistivity on the Cathodic Protection Effect for Steel Pipe Pile [PDF]

open access: yesCailiao Baohu, 2021
Steel pipe piles in marine engineering are facing severe corrosive problems. Sacrificial anode cathodic protection is an effective way to protect steel pipe piles from corrosion.
FANG Xiang, ZHANG Dong - fang, FAN Zhi - hong, XIONG Jian - bo
doaj   +1 more source

Experimental Study on Pore Formation and Reinforcement Corrosion in Concrete During Freeze - Thaw Cycles [PDF]

open access: yesCailiao Baohu, 2022
Aiming at the problem of the degradation of concrete in freeze - thaw cycles, the pore formation and the consequent reinforcement corrosion in the degradation process were studied.
ZHANG Hai - long, WANG She - liang, YUAN Xiao - sa
doaj   +1 more source

Analysis of time-dependent reliability of degenerated reinforced concrete structure [PDF]

open access: yesFracture and Structural Integrity, 2016
Durability deterioration of structure is a highly random process. The maintenance of degenerated structure involves the calculation of the reliability of time-dependent structure.
Zhang Hongping   +2 more
doaj   +4 more sources

Structure, Impermeability and Durability of Cement Concrete

open access: yesНаука и техника, 2022
The paper presents the main hypotheses of frost destruction of cement concrete. The influence of cyclic temperature changes and the effect of static and dynamic (shock) loads on concrete on changes in the structure and strength of concreteis considered ...
E. I. Batyanovskiy   +2 more
doaj   +1 more source

A Review: Progress in Molecular Dynamics Simulation of Portland Cement (Geopolymer)—Based Composites and the Interface between These Matrices and Reinforced Material

open access: yesBuildings, 2023
Molecular dynamics (MD) is an important method for studying the molecular and atomic scale of cement (geopolymer)-based composites which provides an effective method for the optimal design of cementitious materials.
Li Li   +5 more
doaj   +1 more source

Influence of the porosity structure of road concrete on its durability [PDF]

open access: yesE3S Web of Conferences, 2021
Cement-concrete pavements of roads and airfields are the most durable type of pavement. The design service life of cement-concrete pavements is 40-50 years, in Russia this period is 20-25 years, and for asphalt-concrete pavements is 10-15 years. The real,
Smirnov Denis   +4 more
doaj   +1 more source

Effect of Sulfuric Acid Patination Treatment on Atmospheric Corrosion of Weathering Steel

open access: yesMetals, 2020
The requirements for the formation of a protective patina on conventional weathering steels (WS) are well known in the scientific literature related to civil structures.
Ana Crespo   +5 more
doaj   +1 more source

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