An Investigation on Mechanical Properties and Bonding Strength of Polymer Concretes and Polymer Modified Concretes as Repair Overlays on Concrete Substrate

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SADRMOMTAZI ALI; Kohani Khoshkbijari Reza; Maleki Khoshkbijari Mehrdad; Amooie Morteza

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Paper Information

Journal: JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING Year:2020 | Volume:7 | Issue:1 (30) Page(s): 41-55

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Information Journal Paper

Title

An Investigation on Mechanical Properties and Bonding Strength of Polymer Concretes and Polymer Modified Concretes as Repair Overlays on Concrete Substrate

Author(s)

SADRMOMTAZI ALI | Kohani Khoshkbijari Reza | Maleki Khoshkbijari Mehrdad | Amooie Morteza | Issue Writer Certificate

Keywords

Polymer ConcreteQ1

Polymer Modified ConcreteQ1

Bonding StrengthQ1

ShrinkageQ1

Silica fumeQ1

Abstract

Selection, design and control of materials are very important for achievement of a compatible, durable and economical repair overlay. Suitable bonding of repair overlay to substrate and good resistance against fracture are basics for a durable overlay. Using Polymer Concretes (PC) and Polymer Modified Concretes (PMC) which present great performance and durability can be considered as a method of restoration in damaged structures. In this research, mechanical properties and strengths of bonding to substrate concrete of Polymer Concretes and Polymer Modified Concretes as repair overlays are investigated and compared. Strength of Bonding to substrate concrete was obtained by Pull-Off test method. Bonding Strength to substrate concrete in Polymer Concretes mix designs samples was weaker than Polymer Modified Concretes mix designs samples in similar conditions. In comparison with conventional concrete repair overlays in Pull-Off test, the maximum increment of Bonding Strength to substrate concrete was observed in mix design containing %50 of water replacement with SBR-based polymer which was %30 of increment and after that in mix design containing %50 of water replacement with Acrylic-based polymer which was %28 of increment. In Polymer Modified Concretes, %5 replacement of cement with Silica fume decreased the amount of Shrinkage but in higher values of replacement the amounts of Shrinkage were increased in samples.

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APA: Copy

SADRMOMTAZI, ALI, Kohani Khoshkbijari, Reza, Maleki Khoshkbijari, Mehrdad, & Amooie, Morteza. (2020). An Investigation on Mechanical Properties and Bonding Strength of Polymer Concretes and Polymer Modified Concretes as Repair Overlays on Concrete Substrate. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, 7(1 (30) ), 41-55. SID. https://sid.ir/paper/402967/en

Vancouver: Copy

SADRMOMTAZI ALI, Kohani Khoshkbijari Reza, Maleki Khoshkbijari Mehrdad, Amooie Morteza. An Investigation on Mechanical Properties and Bonding Strength of Polymer Concretes and Polymer Modified Concretes as Repair Overlays on Concrete Substrate. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING[Internet]. 2020;7(1 (30) ):41-55. Available from: https://sid.ir/paper/402967/en

IEEE: Copy

ALI SADRMOMTAZI, Reza Kohani Khoshkbijari, Mehrdad Maleki Khoshkbijari, and Morteza Amooie, “An Investigation on Mechanical Properties and Bonding Strength of Polymer Concretes and Polymer Modified Concretes as Repair Overlays on Concrete Substrate,” JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, vol. 7, no. 1 (30) , pp. 41–55, 2020, [Online]. Available: https://sid.ir/paper/402967/en

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