Effect of Normal, Calcium Chloride Integral and Polyethene Sheet Membrane Curing on the Strength Characteristics of Glass Fiber and Normal Concrete

2021 ◽  
pp. 107-118
Author(s):  
Jaison Joy Memadam ◽  
T. V. S. Varalaksmi
Keyword(s):  
Glass Fiber ◽  
Calcium Chloride ◽  
Strength Characteristics ◽  
Normal Concrete ◽  
Sheet Membrane ◽  
Normal Calcium

scholarly journals Sulfate and Calcium Chloride Resistance of Steel/Glass Fiber-Reinforced Polymer Hybrid Panel for Improved Movable Weir Application

2017 ◽  
Vol 2017 ◽  
pp. 1-14 ◽  
Author(s):  
S.-K. Lee ◽  
S.-Y. Yoo ◽  
C.-G. Park
Keyword(s):  
Glass Fiber ◽  
Calcium Chloride ◽  
Residual Strength ◽  
Fiber Reinforced Polymer ◽  
Test Results ◽  
Glass Fiber Reinforced Polymer ◽  
Sand Blasting ◽  
Steel Panel ◽  
Reinforced Polymer ◽  
Glass Fiber Reinforced

This study evaluated the performance of a hybrid panel that can overcome the current problem of corrosion of the steel panels of improved movable weirs when they are exposed to a sulfate and calcium chloride environment such as sea water. A hybrid panel with glass fiber-reinforced polymer (GFRP) layers on both sides of a steel panel means that the central panel is not exposed to the external elements, which can avoid corrosion problems. In this study, to maximize the hybrid panel’s strength and durability, the moisture absorption characteristics and the durability in an accelerated environment were evaluated. The test results were considered to indicate no durability issues as the final absorption ratio was approximately 2.0% or less in all environments. Also, from the accelerated deterioration test results when the steel panel processed by sand blasting was applied in all accelerated deterioration environments, it satisfied the residual strength level of 65% or more. However, in the case without surface processing, upon exposure to MgSO4 solution, it did not satisfy the standard residual strength level of 65%. These results show that sand blasting on the surface of a steel panel is adequate for hybrid panels for improved movable weirs.

scholarly journals Effect of Waste Foundry Sand, Waste Glass, and Glass Fiber on Mechanical Properties of Concrete

2020 ◽  
Vol 9 (7) ◽  
pp. 628-632
Keyword(s):  
Mechanical Properties ◽  
Glass Fiber ◽  
Waste Glass ◽  
Fine Aggregate ◽  
Normal Concrete ◽  
Split Tensile Strength ◽  
Foundry Sand ◽  
Different Types ◽  
Waste Foundry Sand ◽  
Powdered Form

The proposed study present behaviour of concrete with inclusion of waste foundry sand (WFS), waste glass, and glass fiber in different concrete trial mixes. Waste foundry sand (WFS) is basically by-product formed from metal casting industries ferrous or non-ferrous, which due to rapid concrete construction in world used as an alternative of sand. Waste glass can be used in concrete in crushed form as a replacement of aggregate or in powdered form as a replacement of cement, the only problem with waste glass is it is prone to alkali-silica reaction due to different composition of different types of glasses. Glass fiber is added with waste glass and waste foundry sand (WFS) to increase strength. Normal concrete grade M25 (1:1:2) is used for this experimental purpose, different concrete trials were casted which consist of replacement of sand with waste foundry sand in different proportion (0%, 10%, 20%, and 30%). Next trial consists of optimum value of (WFS) with different proportion of waste glass (0%, 10%, and 20%, 30%) as a replacement of fine aggregate. Final trial consists of addition of glass fiber (0%, 0.25%, 0.50%, and 0.75%) in optimum value of second trial. Mechanical properties of concrete compressive strength, split-tensile strength, flexural strength was examined at 7, 14, 28, and 56 days curing period.

GRILON PV-15H

Alloy Digest ◽  
1989 ◽  
Vol 38 (12) ◽  
Keyword(s):  
Fracture Toughness ◽  
Physical Properties ◽  
Glass Fiber ◽  
Tensile Properties ◽  
Strength Characteristics ◽  
Fiber Reinforced ◽  
Glass Fiber Reinforced

Abstract GRILON PV-15H is a 15% glass-fiber reinforced grade offering intermediate rigidity and strength characteristics. This datasheet provides information on physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on casting. Filing Code: Cp-4. Producer or source: EMS-American Grilon Inc..

scholarly journals Enchainment of the Coefficient of Structural Quality of Elements in Compression and Bending by Combined Reinforcement of Concrete with Polymer Composite Bars and Dispersed Fiber

Polymers ◽  
2021 ◽  
Vol 13 (24) ◽  
pp. 4347
Author(s):  
Sergey A. Stel’makh ◽  
Evgenii M. Shcherban’ ◽  
Alexey Beskopylny ◽  
Levon R. Mailyan ◽  
Besarion Meskhi ◽  
...  
Keyword(s):  
Synergistic Effect ◽  
Glass Fiber ◽  
Polymer Composite ◽  
Strength Characteristics ◽  
Cement Matrix ◽  
Structural Quality ◽  
Joint Work ◽  
Strength And Deformation ◽  
The Right ◽  
Polymer Rods

Polymer composite reinforcement (PCR) and its use to produce high-quality concrete with the right design and technological and formulation solutions can demonstrate the results obtained with the steel rebars. This article discusses the synergistic effect from the combined reinforcement of concrete with traditional polymer rods and dispersed fiber, which, as a result, lead to an increase in strength and deformation characteristics and an improvement in the performance of compressed and bent structural elements. The synergistic effect of the joint work of polymer rods and dispersed reinforcement is considered in the context of relative indicators (structural quality factor CSQ), showing the relationship between strength characteristics and concrete density. The behavior of glass fiber in a cement matrix and the nature of its deformation during fracture were studied by scanning electron microscopy. It is shown that the use of PCR and dispersed reinforcement makes it possible to increase the strength characteristics of concrete in bending. In quantitative terms, the achieved results demonstrated that the CSQ values of a beam reinforced with a PCR frame with the addition of glass fiber were 3.4 times higher compared to the CSQ of a beam reinforced with steel reinforcement frames. In addition, for a beam reinforced with a PCR frame with no fiber addition, the CSQ values were three times higher.

scholarly journals Strength Characteristics of Glass Fiber Reinforced Concrete (GFRC) using Calcium Chloride Integral Curing Method

2019 ◽  
Vol 8 (2S11) ◽  
pp. 3040-3044
Keyword(s):  
Compressive Strength ◽  
Glass Fiber ◽  
Calcium Chloride ◽  
Glass Fibers ◽  
Concrete Surface ◽  
Fiber Reinforced Concrete ◽  
Cold Weather ◽  
Test Results ◽  
Glass Fiber Reinforced ◽  
Curing Method

Concrete is weak in tension and strong in compression. The inclusions of fibers in concrete significantly improves its compressive as well as tensile strength. The use of different types of fibers have shown positive responses among the researchers. It has long been known that curing concrete during cold weather can result in an inferior product with substandard properties. Curing also takes much longer, adding to job costs and extending the time before the concrete surface can be used. There are many accelerators available in the market, but Calcium Chloride continues to be one of the most preferred one. In this study, Alkali resistant glass fibers (0%, 0.5%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5% and 4%) were used in the concrete M30 mix. The optimum glass fiber percentage that can be added to the concrete is found by comparing both tensile and compressive strength of the GFRC. Trial mixes of normal M30 concrete by adding different percentages of Calcium Chloride (0%, 0.5%, 1%, 1.5%, 2%, and 2.5%) as curing agent is also prepared. The optimum percentage of calcium chloride that can be added to the concrete is found by comparing the compressive strength of the con- crete. The compressive strength of the GFRC using calcium chloride integral cur- ing is found after 7, 14 and 28 days. The test results are then compared with GFRC using normal curing.

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