DURABILITY OF CONCRETE CONTAINING WHITE TISSUE GORGED POZOLAN INSIDE SODIUM SULFATE LOTION

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FAZELI A.; Maghsodi a.a.

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS) PORTS & MARITIME ORGANIZATION
Year:1998 | Issue:3

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Information Seminar Paper

Title

DURABILITY OF CONCRETE CONTAINING WHITE TISSUE GORGED POZOLAN INSIDE SODIUM SULFATE LOTION

Author(s)

FAZELI A. | Maghsodi a.a.

Keywords

WHITE TISSUE GORGED POZOLAN

CONCRETE STRUCTURES

MARITIME AREA

Abstract

DURABILITY AND RELIABILITY OF CONCRETE AGAINST AGGRESSIVE AGENTS OF THE ENVIRONMENT AROUND THE CONCRETE, WHICH MIGHT EXIST IN THE NEARBY SOIL OR CLIMATE IS A CRUCIAL FACTOR. GENERALLY, THESE AGENTS ARE MADE OF DISSOLVED SULFATES, ESPECIALLY SODIUM, POTASSIUM, CALCIUM, MANGANESE, CHLOROTHYLS AND ALKALINE SULFATES THAT EXIST NATURALLY IN SOIL AND WATER. THE PRESENCE OF SOME OF THESE AGENTS IN SEAWATER DECREASES THE LIFE OF MARITIME STRUCTURES. SUCCESSFUL PLACEMENT OF POZOLANS INSIDE PORTLAND CEMENT FOR LOWERING THE WEAKNESS CAUSED BY SULFATE AGGRESSION IN THIS TYPE OF CEMENT HAS BEEN TARGETED BY VAST INVESTIGATION IN THIS FIELD. IN THIS RESEARCH, THE DURABILITY OF CONCRETE CONTAINING WHITE TISSUE GORGED POZOLANS IN DESTRUCTIVE ENVIRONMENT OF SODIUM SULFATE IS INVESTIGATED. IN ORDER TO SURVEY THE DURABILITY, 336 SAMPLES OF MATERIALS CONTAINING DIFFERENT PORTIONS OF POZOLANS HAVE BEEN POURED INTO STEEL MOLDS. THE DIMENSIONS OF THE MOLDS WERE 5´5´5 CENTIMETERS IN 3-FOLD MIXTURES. THE SAMPLES WERE KEPT IN THE TEMPERATURE OF 18 TO 22 CENTIGRADE DEGREES AND THE AVERAGE HUMIDITY OF 80 PERCENT, AND AFTER THAT HALF OF THE SAMPLES WERE KEPT IN NORMAL WATER AND THE OTHER HALF WERE KEPT IN A 5 PERCENT SODIUM SULFATE LOTION IN A TEMPERATURE BETWEEN 19 TO 21 CENTIGRADE DEGREES. THE SAMPLES PRESSURE STRENGTH TESTS WERE DONE WHEN THE SAMPLES WERE 7, 28, 90 AND 180 DAYS OLD. THE RESULTS OF THIS RESEARCH INDICATE THE DURABILITY IMPROVEMENT OF THE CONCRETE CONTAINING WHITE TISSUE GORGED POZOLAN IN THE SODIUM SULFATES DESTRUCTIVE ENVIRONMENT.

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Cite

APA: Copy

FAZELI, A., & Maghsodi, a.a.. (1998). DURABILITY OF CONCRETE CONTAINING WHITE TISSUE GORGED POZOLAN INSIDE SODIUM SULFATE LOTION. INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). SID. https://sid.ir/paper/907719/en

Vancouver: Copy

FAZELI A., Maghsodi a.a.. DURABILITY OF CONCRETE CONTAINING WHITE TISSUE GORGED POZOLAN INSIDE SODIUM SULFATE LOTION. 1998. Available from: https://sid.ir/paper/907719/en

IEEE: Copy

A. FAZELI, and a.a. Maghsodi, “DURABILITY OF CONCRETE CONTAINING WHITE TISSUE GORGED POZOLAN INSIDE SODIUM SULFATE LOTION,” presented at the INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). 1998, [Online]. Available: https://sid.ir/paper/907719/en

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