A Stress‐Strain Model for Brick Prism under Uniaxial Compression

Yang, Keun–Hyeok; Lee, Yongjei; Hwang, Yong-Ha

doi:10.1155/2019/7682575

Cited by 15 publications

(4 citation statements)

References 22 publications

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“…The coefficients 𝑘𝑘 1 , 𝑘𝑘 2 and 𝑘𝑘 3 𝑘𝑘 4 , are calculated by nonlinear regression analysis using a general statistical program SPSS [12] based on experimental results to obtain the best fit of the estimated values with the measured values. Experimental results of 111 specimens gathered from published literature [3][4][5][6][7][13][14][15][16][17][18][19][20][21][22][23][24][25][26] are considered in the regression analysis. The regression analysis results in values equal to 0.236, 0.182 and 0.001 for the coefficients 𝑘𝑘 1 ,𝑘𝑘 2 and 𝑘𝑘 3 𝑘𝑘 4 respectively with R 2 of 0.831.…”

Section: Industrial Materialsmentioning

confidence: 99%

A New Proposed Model to Estimate Compressive Strength of Brick Masonry Prisms

Alrudaini

2022

MSF

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This study presents a new model to estimate the compressive strength of masonry prisms considering both crashing and splitting failure mechanisms of the masonry prisms. The model is developed considering a probability of events by defining the resulted failure of the masonry prism as the main event. On the other hand, the different modes of failure including crushing of brick units, crushing of mortar under compression stresses and splitting of the brick units and mortar under bilateral stresses have defined as sub-events of the resulted failure. Eventuaaly, the developed model is verified against extensive results of experimental tests of masonry prisms that published by other researchers. A comparison is conducted between the estimated strength and the experimental results as well as those obtained from several available models in term of statistical measures. Comparison results reveal that the new proposed equation exhibits very good agreement with experimental results and shows the best accurate estimations with less deviations compared with the other available equations. The new proposed equation shows a mean value of the experimental to the estimated compressive strength of masonry equals to 1.01 ± 0.35 and a coefficient of variations equals to 35.12 %.

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Section: Industrial Materialsmentioning

confidence: 99%

A New Proposed Model to Estimate Compressive Strength of Brick Masonry Prisms

Alrudaini

2022

MSF

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“…Traditionally, masonry has been constructed using stiffer units and relatively low-strength mortar, typically ranging from 0.4 to 0.7 times the strength of the blocks [8], [16], [17]. However, there are specific situations where more deformable units are utilized, particularly in the construction of affordable housing in developing nations, such as in Brazil and India [18], [19], [20], [21], [22]. On the other hand, there are instances where units significantly stronger than the mortar are employed, especially with recent advancements in high-strength masonry block technologies [2], [23], [24], [25], [26].…”

Section: Introductionmentioning

confidence: 99%

Influence of the relationships between compressive strengths of mixed and industrialized mortars and concrete blocks on the behavior of masonry prisms

Paulino,

Toralles

2024

Rev. IBRACON Estrut. Mater.

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The performance of masonry structures depends not only on the quality of blocks and mortars but also on their interactions. This study aims to evaluate the influence of unit and mortar characteristics on the compressive strength of masonry. Prisms were produced using concrete blocks with nominal strengths of 8 and 10 MPa, combined with mixed and industrialized mortars with lower, similar, and higher strengths compared to the blocks. Response surfaces and contour plots were generated to visualize the effects of unit and mortar properties on prism strength. Estimations were performed, and the failure mechanisms of prisms for various combinations of blocks and mortars were analyzed. The failure modes of the prisms were characterized by ductile failure (in weaker mortars), cohesive rupture of the assembly (in intermediate-strength mortars), and brittle failure (in stronger mortars), primarily due to lateral tensile forces acting on the blocks. The findings of this research contribute to the existing knowledge database in the field and can assist in the appropriate selection of blocks and mortars for structural masonry applications.

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“…También se ha utilizado la Estadística para definir la forma de la curva esfuerzo-deformación de la mampostería de ladrillo de concreto (conocido en México como tabicón). Yang et al (2019) realizaron ensayos de compresión de pilas de este material con diferentes resistencias de mortero y con resistencia constante del ladrillo.…”

Section: Introductionunclassified

Análisis estadístico de características geométricas y mecánicas del bloque hueco de concreto de Tuxtla Gutiérrez

Ruiz

Godínez-Domínguez

2022

VCS

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Se presentan los resultados de un análisis estadístico para la caracterización geométrica y mecánica de bloques huecos de concreto, utilizados en construcciones de estructuras de mampostería en Tuxtla Gutiérrez, principalmente destinadas a vivienda. Se consideró una base de datos de ensayos realizados a 130 piezas, de 13 proveedores diferentes de la región. El análisis incluye las medidas de tendencia central de la geometría, la absorción de agua, la resistencia a cortante y la correlación entre el esfuerzo cortante resistente y las características físicas y geométricas de las piezas. Se registraron variaciones relevantes de la altura y longitud de los bloques respecto de lo establecido en las normas de construcción usualmente empleadas como referencia, aunque el espesor de estos cumple con los requisitos mínimos. Se proponen valores mínimos de la resistencia a cortante de las unidades ensayadas. El estudio de correlación entre el esfuerzo cortante máximo y el porcentaje de absorción indica que, a mayor porosidad de los bloques, disminuye su resistencia a cortante. La correlación entre el esfuerzo cortante máximo y el área neta muestra que la resistencia al esfuerzo cortante depende en menor medida de esta área que de la porosidad de la pieza. Finalmente, el análisis de correlación contra los espesores de las piezas señala que estos influyen menos en la resistencia de las piezas que el área neta y la porosidad.

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A Stress‐Strain Model for Brick Prism under Uniaxial Compression

Cited by 15 publications

References 22 publications

A New Proposed Model to Estimate Compressive Strength of Brick Masonry Prisms

A New Proposed Model to Estimate Compressive Strength of Brick Masonry Prisms

Influence of the relationships between compressive strengths of mixed and industrialized mortars and concrete blocks on the behavior of masonry prisms

Análisis estadístico de características geométricas y mecánicas del bloque hueco de concreto de Tuxtla Gutiérrez

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