COMPARATIVE STUDY OF SEVERAL REPAIR MORTARS IN SIMULATED PERSIAN GULF CONDITIONS

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PARHIZKAR T.; RAMEZANIANPOUR A.A.

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Journal: AMIRKABIR Year:2004 | Volume:15 | Issue:59-C Page(s): 138-145

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Information Journal Paper

Title

COMPARATIVE STUDY OF SEVERAL REPAIR MORTARS IN SIMULATED PERSIAN GULF CONDITIONS

Author(s)

PARHIZKAR T. | RAMEZANIANPOUR A.A. | Issue Writer Certificate

Keywords

CONCRETE DETERIORATION

HOT WEATHER CONDITIONS

REPAIR MORTARS

DURABILITY

SILICA FUME

STYRENE BUTADIENE RUBBER(SBR)

POLYMER-MODIFIED MORTARS

Abstract

concrete and reinforced concrete are used as durable materials in the construction of many structures but the DURABILITY and long term performance of this material has shown that its physical structure and structural behavior is a function of environmental conditions. Unless all environmental and geographical parameters are met in concrete design and construction, its service life and DURABILITY are reduced considerably and its need for repair increases. The concrete structures on the southern coasts and ports of the Persian Gulf region are continually exposed to extremely aggressive environmental conditions, namely a highly humid, hot atmosphere charged with corrosive ions (such as chloride and sulfate ions). The premature deterioration of concrete structures in the severe environmental conditions of the Persian Gulf region increases the importance and need for a comprehensive maintenance and repair system regarding these structures. Correct selection of the appropriate repair materials and techniques is necessary to ensure a durable repair. Performance of repair materials should be evaluated at the specific environmental conditions in order to select the most durable materials for the condition at hand This paper investigates the physical and DURABILITY characteristics of three REPAIR MORTARS, assessed under normal laboratory and simulated HOT WEATHER CONDITIONS. A cement-based mortar was used as control, a polymer modified mortar, and a mortar containing silicafume were tested in the two conditions stated. Mechanical properties such as compressive and flexural strengths of mortars were compared. Capillary water absorption of mortars was measured and DURABILITY of specimens was evaluated in chloride solution.The test results obtained in this study show that some mortars are not durable in conditions where they are exposed to salt solutions and high temperatures and humidities. Mortars containing polymer or SILICA FUME exhibit better performance when compared with other mortars. The use and application of appropriate polymers can enhance the DURABILITY of REPAIR MORTARS.

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APA: Copy

PARHIZKAR, T., & RAMEZANIANPOUR, A.A.. (2004). COMPARATIVE STUDY OF SEVERAL REPAIR MORTARS IN SIMULATED PERSIAN GULF CONDITIONS. AMIRKABIR, 15(59-C), 138-145. SID. https://sid.ir/paper/529237/en

Vancouver: Copy

PARHIZKAR T., RAMEZANIANPOUR A.A.. COMPARATIVE STUDY OF SEVERAL REPAIR MORTARS IN SIMULATED PERSIAN GULF CONDITIONS. AMIRKABIR[Internet]. 2004;15(59-C):138-145. Available from: https://sid.ir/paper/529237/en

IEEE: Copy

T. PARHIZKAR, and A.A. RAMEZANIANPOUR, “COMPARATIVE STUDY OF SEVERAL REPAIR MORTARS IN SIMULATED PERSIAN GULF CONDITIONS,” AMIRKABIR, vol. 15, no. 59-C, pp. 138–145, 2004, [Online]. Available: https://sid.ir/paper/529237/en

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