chloride in cement advances in cement research
Welcome to Cina Charm

chloride in cement advances in cement research .

Chloride in cement Advances in Cement Research

2015-3-2  The role of chloride in cement has had a mixed history. On the one hand, chloride has long been used to accelerate cement hydration and strength gain. On the other, chloride deprives embedded steel of the corrosion protection normally developed in chloride-free cement environments.

Get Price

Chloride in cement Advances in Cement Research

2015-3-2  Chloride binding can retard the migration of chloride in concrete and specimen calculations are presented showing that the main binding mechanism arises from the AFm, [Ca 2 (Al,Fe)(OH) 6].X.nH 2 O, content of the paste. Suggestions are made to enhance the value of

Get Price

Advances in Cement Research - ICE Virtual Library

2000-12-2  The influence of cement constitution on chloride binding is investigated by substituting cement with pure cement clinker. Both theoretical considerations and experimental data for chloride binding in cement pastes are presented. A physicochemical based model to describe the influence of temperature on physical binding of chloride is presented.

Get Price

Advances in Cement Research - ICE Virtual Library

2016-1-1  Advances in Cement Research. ISSN 0951-7197 E-ISSN 1751-7605. Volume 28 Issue 1, January, 2016, pp. 51-61. Prev ... is applied to predict the chloride penetration in unsaturated concrete and the electrochemical chloride removal in chloride-contaminated concrete by applying an external current. Numerical examples are presented and results are ...

Get Price

Advances in Cement Research - Welcome to ICE Virtual Library

2021-5-19  Chloride-based accelerators are widely used to accelerate cement hydration; however, there is no focus on the effect of the interaction between Cl − and SO 42− on cement hydration. Hence, the interaction effect between initial gypsum and sodium chloride (NaCl) in the cement hydration

Get Price

Advances in Cement Research - ICE Virtual Library

2020-1-22  Advances in Cement Research. ISSN 0951-7197 E-ISSN 1751-7605. Volume 24 Issue 5, October 2012, pp. 249-262. Next > Influence of metal chloride salts on calcium aluminate cement hydration Authors: Neven Ukrainczyk. x. Neven Ukrainczyk. Search for articles by this author ...

Get Price

(PDF) Advances in Chloride Ion Diffusion Coefficient Test ...

Chloride ion diffusion coefficient has important significance for evaluation of the ability to resist chloride ion penetration for concrete and prediction of the durability for concrete structure...

Get Price

(PDF) Numerical simulation of chloride diffusion in ...

2021-5-20  Numerical simulation of chloride diffusion in concrete and chloride-induced corrosion prediction in RC structures using experimental data of the

Get Price

Advances in Cement Research - ICE Virtual Library

2020-1-22  In this paper, a new model is proposed to describe the coupled transport of ionic species and ionic solution in unsaturated concrete. The main difference between the

Get Price

ADVANCES IN CEMENT RESEARCH_影响因子(IF)_中科院 ...

2021-7-4  《ADVANCES IN CEMENT RESEARCH》2019 中科院分区(基础版) 大类学科及分区: 工程技术 4区 是否TOP期刊:否 小类学科及分区: CONSTRUCTION BUILDING TECHNOLOGY 结构与建筑技术 4区 MATERIALS SCIENCE, MULTIDISCIPLINARY ...

Get Price

Journal Advances in Cement Research

Chloride-based accelerators are widely used to accelerate cement hydration, however, there is no focus on the interaction effect between Cl- and SO4-on cement hydration. Hence, the interaction effect between initial gypsum and NaCl in the cement hydration process was investigated.

Get Price

Chloride Ion Diffusion in Cement-Based Materials NIST

2021-8-13  The Combining of Sodium Chloride and Calcium Chloride by a Number of Different Hardened Cement Pastes, Cement and Concrete Research, Vol. 8, 683-692, 1978. Goto, S., and Roy, D.M., Diffusion of Ions Through Hardened Cement Pastes , Cement and Concrete Research

Get Price

CHLORIDE PERMEABILITY AND PORE STRUCTURE STUDY OF CONCRETE ...

An investigation was made into the binding of chloride by hydrated cement in mortar or concrete and into the velocity of penetration of chloride into a cement sand mortar (1:3, wcr equals 0. 50).

Get Price

The Influence of C3A Content in Cement on the Chloride ...

2016-11-7  The present study concerns the influence of C 3 A in cement on chloride transport in reinforced concrete. Three modified cement was manufactured in the variation of the C 3 A content, ranging from 6.0 and 10.5 up to 16.9%. The setting time of fresh concrete was measured immediately after mixing, together with the temperature at the time of initial set.

Get Price

Chloride Ion Diffusion in Cement-Based Materials ...

Further Inverstigations of Chloride and Oxygen Diffusion in Well-Cured OPC and OPC/30% PFA Pastes, Cement and Concrete Research, Vol. 25 (4), 819-826, 1995. Streicher, P.E., and Alexander, M.G., A Chloride Conduction Test for Concrete, Cement and Concrete Research, Vol. 25 (6), 1284-1294, 1995.

Get Price

Different Chlorides Attack on the Hydration of Calcium ...

Calcium aluminate cement (CAC) has excellent resistance to seawater erosion, but the mechanism remains to be explored. Effects of NaCl and CaCl2 on the hydration of CAC at 5, 20 and 40°C were investigated in this paper by X-ray diffraction(XRD), thermal analyzer(TG-DSC), scanning electron microscopy(SEM), acoustic and electroacoustic spectrometer.

Get Price

Theoretical Model and Experimental Tests on Chloride ...

2013-1-1  Chloride diffusion in ordinary, blended, and alkali-activated cement pastes and its relation to other properties, Cement and Concrete Research 30, pp. 1879-1884. Google Scholar [5]

Get Price

(PDF) Editorial, Advances in Cement Research, Vol. 27, Issue 4

Advances in Cement Research 27(4): 201–213, ... Process of chloride ion diffusion in concrete with cracks is studied to accurately assess durability performance of concrete structure with cracks ...

Get Price

(PDF) Study on the Durability of Road Concrete with Blast ...

Study on the Durability of Road Concrete with Blast Furnace Slag Affected by the Corrosion Initiated by Chloride January 2021 Advances in Civil Engineering 2021(3)

Get Price

ADVANCES IN CEMENT RESEARCH_影响因子(IF)_中科院 ...

2021-7-4  《ADVANCES IN CEMENT RESEARCH》2019 中科院分区(基础版) 大类学科及分区: 工程技术 4区 是否TOP期刊:否 小类学科及分区: CONSTRUCTION BUILDING TECHNOLOGY 结构与建筑技术 4区 MATERIALS SCIENCE, MULTIDISCIPLINARY ...

Get Price

Chloride in Cement Request PDF - Find and share research

Hydrated Portland cement paste exposed to a NaCl solution was acidified by adding HCl in small steps, gradually lowering the pH. The chloride binding of the cement paste changed as a function of ...

Get Price

CHLORIDE PERMEABILITY AND PORE STRUCTURE STUDY OF CONCRETE ...

An investigation was made into the binding of chloride by hydrated cement in mortar or concrete and into the velocity of penetration of chloride into a cement sand mortar (1:3, wcr equals 0. 50).

Get Price

(PDF) Effect of TIPA on Chloride Immobilization in Cement ...

2018-7-16  Chloride attack on reinforced concrete is considered the most important aspect in concrete durability investigation. This study is carried out to investigate effect of curing condition on the ...

Get Price

Determination of Chloride in Cement - Hanna Inst

Determination of Chloride in Cement. February 2016. Concrete is a common material used in the construction industry. It is used to build roads, buildings, dams and swimming pools, to name just a few applications. Concrete is a mixture of aggregate (crushed stone), cement, and water. The cement

Get Price

Chloride migration in cement mortars with ultra-low water ...

2021-4-1  In this study, the highest compressive strength of cement mortars with ultra-low water to binder ratio goes to the groups of 50% cement+25% silica fume+25% fly ash, 65% cement+20% silica fume+15% slag and 49% cement+17% silica fume+17% fly ash+17% slag according to

Get Price

Advances in Cement Research - core.ac.uk

2019-5-12  high alkalinity in cement hydration products (Galan and Glasser, 2015; Holden et al., 1983), whereas sulfates tend to attack and weaken the binding property of cement in the con-crete matrix due to the decalcification of the calcium silicate hydrate (C–S–H) gel (Bai et al., 2003) and ettringite precipi-tation (Whittaker and Black, 2015).

Get Price

Research on Chloride Penetration Resistance of ...

The chloride penetration resistance of phosphoaluminate cement (PAC) concrete was investigated in this study. The effects of mixture proportioning parameters, including cement content, water–cement ratio (w/c), and superplasticizer content on chloride ion penetration resistance of PAC concrete were investigated by the rapid chloride migration test (RCM).

Get Price

Chloride penetration in shrinkage-compensating cement ...

Shrinkage-compensating cement (a.k.a., Type K expansive agent) is a calcium sulfoaluminate cement with the ability of providing volume expansion during early age, primarily due to the formation of ...

Get Price

Research on Ingress of Chloride Ions in Concrete in an ...

2014-5-15  Research on Ingress of Chloride Ions in Concrete in an Artificial Simulation Environment ... Results showed that chloride diffusion in concrete can be described by Fick's diffusion law, and the fitting curve based on the annual diffusion coefficient was more suitable for describing the change. ... Advances and Experiences with Pipelines and ...

Get Price

Degradation mechanism of cement ... - research.nu.kz

The degradation of cement mortar subject to combined chloride ingress and sulfate attack under cyclic wetting–drying condition was studied through microstructural analysis. The specimens were exposed alternatively to a designated salt solution (NaCl, Na 2 SO 4 , or a mixture of NaCl and Na 2 SO 4 solution) and air drying to simulate the ...

Get Price
Copyright © 2021.Cina Charm All rights reserved.Cina Charm