testing the chloride penetration resistance of concretea

TESTING THE CHLORIDE PENETRATION RESISTANCE OF

The ability of chloride ions to penetrate concrete must be known for design as well as quality control purposes. This document reviews the current common methods for determining chloride penetrability of concrete. First, some theoretical background of what influences the penetration of chlorides into concrete is presented. The different mechanisms of chloride penetration are presented ...

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TESTING THE CHLORIDE PENETRATION RESISTANCE OF

testing the chloride penetration resistance of concrete: a literature review The ability of chloride ions to penetrate concrete must be known for design as well as quality control purposes. This document reviews the current common methods for determining chloride penetrability of concrete.

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Long-term testing of the chloride-penetration resistance ...

May 01, 2001  The objective of this study was to investigate the chloride penetration resistance of concrete containing HRM at various w/cm and replacement levels. This was accomplished by measuring the chloride ingress using a variety of test procedures. Both early- and late-age results are reported in this paper. 2. Experimental program2.1.

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Tests and Criteria for Concrete Resistant to Chloride Ion ...

Jun 09, 2020  better resistance to penetration of chloride ions. In essence, the test method measures the conductivity of concrete. As originally developed, the intent was to establish a correla-tion of the charge passed measured by ASTM C1202 with the depth of chloride penetration in the chloride ponding test (AASHTO T 259; ASTM C1543). The conductivity of

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Chloride Penetration Resistance of Concrete Containing ...

Chloride penetration resistance of concrete in laboratory experiments . The chloride profiles of the specimens after the 20-month immersion test are illustrated in figure 3. It is clear that the chloride penetration of the specimens containing SCMs are lower than those of the specimens fabricated with only ordinary Portland cement.

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Monitoring of Concrete Resistance to Chloride Penetration

electrical resistivity changes were confronted with the results of chloride penetration resistance of concrete using rapid test (RCMT). The resistivity monitoring was conducted during 12 months and the resistance to chloride penetration by means of rapid test was

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Chloride ion penetration resistance of concrete containing ...

Apr 30, 2018  For assessing effects of chloride concentration on Chloride Ion penetration resistance of concrete, cylindrical concrete specimens with (100 ± 1) mm in diameter and (50 ± 2) mm in height cured standardly for 28 days were then immersed in tap water and designated solution (i.e. 4% and 10% by wt. sodium chloride solutions), respectively, for ...

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Chloride Resistance of Concrete

6 Chloride Resistance of Concrete Figure 3.2 Variation of porosity with depth of concrete slabs cured using different methods (Gowripalan et al 5) The porosity or permeability of insitu concrete is highly dependent on the degrees of compaction and curing during placing and the early life of concrete

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Resistance to chloride-ion penetration of different ...

the variation of the chloride concentration in the concrete during the test (steady state or non-steady state). In recent years, the rapid chloride migration test, developed by Luping [3], has been adopted in several concrete characterization studies to evaluate its resistance to chloride penetration

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TESTING THE CHLORIDE PENETRATION RESISTANCE OF CONCRETE

testing the chloride penetration resistance of concrete: a literature review The ability of chloride ions to penetrate concrete must be known for design as well as quality control purposes. This document reviews the current common methods for determining chloride penetrability of concrete.

get price

Tests and Criteria for Concrete Resistant to Chloride Ion ...

Jun 09, 2020  better resistance to penetration of chloride ions. In essence, the test method measures the conductivity of concrete. As originally developed, the intent was to establish a correla-tion of the charge passed measured by ASTM C1202 with the depth of chloride penetration in the chloride ponding test (AASHTO T 259; ASTM C1543). The conductivity of

get price

Monitoring of Concrete Resistance to Chloride Penetration

electrical resistivity changes were confronted with the results of chloride penetration resistance of concrete using rapid test (RCMT). The resistivity monitoring was conducted during 12 months and the resistance to chloride penetration by means of rapid test was

get price

Chloride Penetration Resistance of Concrete Containing ...

Chloride penetration resistance of concrete in laboratory experiments . The chloride profiles of the specimens after the 20-month immersion test are illustrated in figure 3. It is clear that the chloride penetration of the specimens containing SCMs are lower than those of the specimens fabricated with only ordinary Portland cement.

get price

Resistance to chloride-ion penetration of different ...

the variation of the chloride concentration in the concrete during the test (steady state or non-steady state). In recent years, the rapid chloride migration test, developed by Luping [3], has been adopted in several concrete characterization studies to evaluate its resistance to chloride penetration

get price

Rapid Chloride Penetration Testing (RCPT) (ASTM C1202)

What is Rapid Chloride Penetration Testing (RCPT)? RCPT is used to measure the electrical conductance of concrete samples to provide a rapid indication of their resistance to chloride ion penetration. In most cases, for a given set of concreting materials, the total charge passed through the sample, measured in coulombs, have shown good ...

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Sulfate Resistance and Chloride Penetration ...

Oct 01, 1994  This study has been carried out to evaluate the sulfate resistance and chloride penetration performance of high-strength concrete. Two high-strength concrete mixes in the range of 60 to 75 MPa were designed first by using a superplasticized concrete of 0.36 water-cement ratio (w/c) and second by replacing 10 percent cement by silica fume.

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Concrete Durability: Review of Rapid Chloride Permeability ...

of concrete‟s ability to resist chloride ion penetration”, which is also AASHTO T277-83 “Rapid chloride permeability test” for the evaluation of the resistance of concrete to chloride ion penetrability. Particular reference is made to the first infrastructure project in Malaysia where the RCPT testing

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Standard Test Method for Electrical Indication of Concrete ...

to be related to the resistance of the specimen to chloride ion penetration. 4. Significance and Use 4.1 This test method covers the laboratory evaluation of the electrical conductance of concrete samples to provide a rapid indication of their resistance to chloride ion penetration. In most cases the electrical conductance results have shown good

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Penetration Resistance Test for Concrete Compressive Strength

Penetration resistance test rapidly and accurately determines the compressive strength of the concrete. The strength is found out by firing (shooting) a probe or pin on the surface of the concrete with the known amount of force. Penetration resistance test is a modern system to measure the compressive strength of hardened concrete.

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IMPROVEMENT OF WATER AND CHLORIDE PENETRATION

IMPROVEMENT OF WATER AND CHLORIDE PENETRATION RESISTANCE OF SLAG CONCRETE BY USING HIGH ALITE CEMENT Huynh Phuong NAM*1, Akira HOSODA *2 ABSTRACT In this research, the effectiveness of high alite cement (HAC) in improving the quality of covercrete of slag concrete was investigated by Surface Water Absorption Test (SWAT) and penetration depth tests.

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Resistance of concrete to carbonation and chloride ...

The paper describes the main mechanisms of carbonation and chloride penetration into concrete and how the rate of penetration can be measured with laboratory tests. It is also discussed why nondestructive test (NDT) methods for measuring directly the resistance of aged field concrete to carbonation or chloride penetration are not available.

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AASHTO T 259 - Standard Method of Test for Resistance of ...

Jan 01, 2002  scope: This method covers the determination of the resistance of concrete specimens to the penetration of chloride ion. It is intended for use in determining the effects of variations in the properties of concrete on the resistance of the concrete to chloride ion penetration.

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Chloride Penetration Test Apparatus - Caltechindia

Concrete contains flying ash or silica fumes are less penetration are less permeable to deleterious elements and thus are more durable than conventional concretes. The Rapid Chloride-ion Penetration Test (RCPT) is designed to assess the resistance of concrete to the penetration of chloride ions, an indicator of its penetration. Complete with ...

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Chloride Penetration Resistance of Concrete Containing ...

Chloride penetration resistance of concrete in laboratory experiments . The chloride profiles of the specimens after the 20-month immersion test are illustrated in figure 3. It is clear that the chloride penetration of the specimens containing SCMs are lower than those of the specimens fabricated with only ordinary Portland cement.

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).

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Resistance to chloride-ion penetration of different ...

the variation of the chloride concentration in the concrete during the test (steady state or non-steady state). In recent years, the rapid chloride migration test, developed by Luping [3], has been adopted in several concrete characterization studies to evaluate its resistance to chloride penetration

get price

Experimental Study on Chloride Ion Penetration Resistance ...

In order to investigate the chloride ion penetration resistance of coal gangue concrete under multi-factor comprehensive action, the non-steady-state accelerated chloride ion migration test was used to test the chloride diffusion law of coal gangue concrete specimens by crack width, curing temperature and water-cement ratio. Three groups of crack width (0 mm, 0.05 - 0.12 mm, 0.12 - 0.2 mm ...

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Chloride Penetration Test Apparatus - Caltechindia

Concrete contains flying ash or silica fumes are less penetration are less permeable to deleterious elements and thus are more durable than conventional concretes. The Rapid Chloride-ion Penetration Test (RCPT) is designed to assess the resistance of concrete to the penetration of chloride ions, an indicator of its penetration. Complete with ...

get price

Resistance of concrete to carbonation and chloride ...

The paper describes the main mechanisms of carbonation and chloride penetration into concrete and how the rate of penetration can be measured with laboratory tests. It is also discussed why nondestructive test (NDT) methods for measuring directly the resistance of aged field concrete to carbonation or chloride penetration are not available.

get price

IMPROVEMENT OF WATER AND CHLORIDE PENETRATION

IMPROVEMENT OF WATER AND CHLORIDE PENETRATION RESISTANCE OF SLAG CONCRETE BY USING HIGH ALITE CEMENT Huynh Phuong NAM*1, Akira HOSODA *2 ABSTRACT In this research, the effectiveness of high alite cement (HAC) in improving the quality of covercrete of slag concrete was investigated by Surface Water Absorption Test (SWAT) and penetration depth tests.

get price

Rapid Chloride Penetration Testing (RCPT) (ASTM C1202)

What is Rapid Chloride Penetration Testing (RCPT)? RCPT is used to measure the electrical conductance of concrete samples to provide a rapid indication of their resistance to chloride ion penetration. In most cases, for a given set of concreting materials, the total charge passed through the sample, measured in coulombs, have shown good ...

get price

Standard Test Method for Electrical Indication of Concrete ...

to be related to the resistance of the specimen to chloride ion penetration. 4. Significance and Use 4.1 This test method covers the laboratory evaluation of the electrical conductance of concrete samples to provide a rapid indication of their resistance to chloride ion penetration. In most cases the electrical conductance results have shown good

get price

Sulfate Resistance and Chloride Penetration ...

Oct 01, 1994  This study has been carried out to evaluate the sulfate resistance and chloride penetration performance of high-strength concrete. Two high-strength concrete mixes in the range of 60 to 75 MPa were designed first by using a superplasticized concrete of 0.36 water-cement ratio (w/c) and second by replacing 10 percent cement by silica fume.

get price

Guideline for Practical Use of Methods for Testing the ...

Guidelines for practical use of methods for testing the resistance of concrete to chloride ingress 2 BRIEF DESCRIPTION OF TEST METHODS 2.1 European method EN 13396 This method was proposed by CEN/TC 104/SC 8, with the scope of testing the resistance to chloride penetration in repair products and systems for the protection and repair of concrete.

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Electrical Resistivity of Concrete - Giatec Scientific

voltage. While it does provide an indication of the concrete’s ability to resist chloride ion penetration, the RCP method is neither rapid nor capable of direct measurement of chloride permeability. Rather, the test was developed by correlating a measured charge to the total chloride penetrating to a depth of

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COMPARISON OF SELECTED METHODS FOR MEASUREMENT

There are discussed methods of rapid chloride penetration test as well as surface measurement of electrical resistivity using Wenner probe. The comparison aim is to obtain input data for a finite element numerical model for probabilistic calculation of durability of reinforced concrete bridge deck exposed to the chloride laden environment.

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Penetration Resistance of Structural Lightweight

Oct 22, 2019  A Review on the Carbonation and Chloride Penetration Resistance of Structural Lightweight Aggregate Concrete José Alexandre Bogas * and Sofia Real Civil Engineering Research and Innovation for Sustainability (CERIS), Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; sofi[email protected]

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