Effect of scale on compressive strength of brick masonry with gypsum mortar

Moayedian, Sayed Mohammad; Hejazi, Mehrdad

doi:10.1016/j.measurement.2020.108932

Cited by 16 publications

(4 citation statements)

References 10 publications

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“…On the contrary, in zeolite mixes, more water is needed to obtain the proper consistency of the fresh mortar. This excess water occurs as pores in the later ages of hardened mortars (38,39). Although this situation can be seen as a disadvantage, it is believed to be an advantage for regions with dry climates.…”

Section: Absorpcja Kapilarnamentioning

confidence: 99%

“…Since external drainage is usually not sufficient in historical buildings and bituminous insulation materials cannot be used, capillary water absorption becomes a very serious problem for such structures. Carried by capillary water, the salts on the ground penetrate the building, leading to visual pollution as well as deterioration of mortars or other wall components (38). In general, a low capillary water absorption coefficient of repair mortars is desired.…”

Section: Capillary Water Absorptionmentioning

confidence: 99%

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Production of environmentally-friendly, high-strength repair mortar for the restoration of historical buildings

Tombuca,

Çavuş

2023

Cement Wapno Beton

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In this study, repair mortars with artificial and natural pozzolan additives were produced for the restoration of historical buildings. Class C fly ash, an artificial pozzolan and zeolite the natural pozzolan, were substituted into these lime-based mortars. Two different aggregate types were used in the preparation of the mortars: natural river sand and crushed brick. A total of 18 batches of mortars were produced, two of which were reference batches. In the first group of batches, fly ash, which is the major pozzolan, was tested in both aggregate groups in 20%, 40%, and 60% ratios of lime substitution. In the second group of batches, fly ash and zeolite were used in different proportions as lime substitution. In the reference series, air lime was used alone. At the end of the 28, 56, and 90 days curing period, mechanical, physical properties, and phase composition of the mortars were determined. When the pozzolan-added mortars were compared with the reference mortars, it was observed that pozzolans provided significant improvements in the physical and mechanical properties of the repair mortars. While significant improvements were observed in the physical properties of the mortars where fly ash was used as the only pozzolan, mechanical properties were better in the mortars with zeolite.

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Section: Absorpcja Kapilarnamentioning

confidence: 99%

Section: Capillary Water Absorptionmentioning

confidence: 99%

Production of environmentally-friendly, high-strength repair mortar for the restoration of historical buildings

Tombuca,

Çavuş

2023

Cement Wapno Beton

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“…Masonry is defined as a set of pieces joined together, using a material such as mud or cement mortar; the units can be natural (stones) or artificial. The most commonly used masonry in the construction industry is composed of bricks made from concrete, mortar or annealed clay, because for years they have proven to be the best choice for use in walls and partitions (Moayedian & Hejazi, 2021). Article…”

Section: Masonrymentioning

confidence: 99%

Design of a methodology for the elaboration of ecological bricks incorporating low-density polyethylene

MARTÍNEZ-ÁNGELES¹,

RÍOS-MORENO²,

PÉREZ-REA³

et al. 2022

JTEN

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Low-density polyethylene (LDPE) is generally found in the form of bags that are used to pack or transport merchandise; however, the proper disposal of this non-biodegradable material has been a great challenge, since, worldwide, it is calculated that only 9%, of the 9 billion tons that have been produced so far, has been recycled. In Mexico, it is estimated that 8 million tons of this material will be generated annually and only 14% will be recycled. On the other hand, the recycling of these residues, as an aggregate in construction materials, is considered an environmentally sustainable application. The objective of this article is to develop a methodology for the design of ecological concrete bricks incorporating LDPE from design as part of its aggregates, which will be obtained from articles with results presented, thus seeking to analyze the best design; this as an alternative to bricks commonly found in the construction industry. Although bricks made only with LDPE and sand have given good results, in relation to the use of plastic in intervals of 25 to 50%, it is expected that by adding Portland cement, they will have better physical and mechanical properties.

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“…In order to enhance the mechanical properties and durability of the concrete & to survive in the destructive environment, multiple pozzolanic materials are used in the concrete which includes fly ash [3], silica fume [4], [5], rice husk ash [6], and pumice [7] and many other pozzolanic materials. The fly ash impoved the properties of the concrete like compressive strength (CS) & resistance to chloride ion penetration when used as a fractional standby of cements [6].…”

Section: Introductionmentioning

confidence: 99%

INFLUENCE OF QUATERNARY BLENDS OF POZZOLANIC MATERIALS ON CEMENT CONCRETE. A MECHANICAL, DURABILITY & MICRO-STRUCTURAL STUDY

2022

IRJMETS

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Concrete is used worldwide due to easy preparation, high compressive strength and ability to be casted in any desired shape. However, its use is accompanied with the greenhouse gas emission due to cement. This research study aims to partially replace the cement with different percentages (10%, 20%, and 30%) using quaternary blends of pozzolanic materials (Fly Ash + Rice Husk Ash +Pumice) and the mechanical performance (Compressive & Flexural strength) & durability (Sorption) of samples was assessed at 28, 90 and 120 days. To validate the mechanical properties & durability test results, FTIR and SEM analysis were performed on the samples at 120 days. Compressive strength test results showed that the 28 & 90 days compressive strength of control group and partially replaced samples were almost same, however, partially replaced cement samples showed increase in strength after 120 days. The quaternary blends having 20% & 30% of pozzolanic materials gained almost 1.2 & 1.1 times compressive strength as that of reference group at 120 days. The same samples gained flexural strength in the same fashion as that of compressive strength. The sorption test results shows that quaternary blends having 20% & 30% of pozzolanic materials has 65% & 75% less penetration as paralleled to the reference group at 90 & 120 days age respectively. These results were also confirmed by the FTIR & SEM Analysis of the Samples.

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Effect of scale on compressive strength of brick masonry with gypsum mortar

Cited by 16 publications

References 10 publications

Production of environmentally-friendly, high-strength repair mortar for the restoration of historical buildings

Production of environmentally-friendly, high-strength repair mortar for the restoration of historical buildings

Design of a methodology for the elaboration of ecological bricks incorporating low-density polyethylene

INFLUENCE OF QUATERNARY BLENDS OF POZZOLANIC MATERIALS ON CEMENT CONCRETE. A MECHANICAL, DURABILITY & MICRO-STRUCTURAL STUDY

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