Mechanical strength characterization and seismic performance of rammed earthen walls built on eco-friendly lateritic soil and sustainable stabilizing materials

Sen, Bipul; Chanda, Diptesh; Saha, Rajib

doi:10.1007/s12046-023-02375-x

Sādhanā

2024

DOI: 10.1007/s12046-023-02375-x

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Mechanical strength characterization and seismic performance of rammed earthen walls built on eco-friendly lateritic soil and sustainable stabilizing materials

Bipul Sen,

Diptesh Chanda,

Rajib Saha

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2024

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Cited by 3 publications

References 65 publications

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1 g shake table study on seismic strengthening of low-cost rammed earthen houses built of silt enriched soil using natural fiber reinforcement

Sen,

Saha

2024

Structures

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1 g shake table study on seismic strengthening of low-cost rammed earthen houses built of silt enriched soil using natural fiber reinforcement

Sen,

Saha

2024

Structures

View full text Add to dashboard Cite

Structural Stability Evaluation of Natural Fiber Retrofitted Low-Cost Rammed Earthen Houses Under Seismic Loading

Sen,

Saha

2024

Structural Engineering International

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Effect of Incorporating Cement and Olive Waste Ash on the Mechanical Properties of Rammed Earth Block

Ghanem,

El Bouz,

Ramadan

et al. 2024

Infrastructures

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Rammed earth blocks have recently gained substantial popularity in construction materials due to their environmental benefits, energy saving, and financial effectiveness. These benefits are even more pronounced if waste materials such as olive waste ash (OWA) are incorporated in rammed earth blocks. There is limited information on the use of OWA in rammed earth blocks. This paper investigates the use of OWA and cement in improving rammed earth block characteristics. OWA was incorporated to partially replace the soil by 10, 20, 30 and 40% of its weight and cement was added in percentages of 2, 4, 6 and 8% by the dry weight of the composite soil. Proctor, unconfined compressive strength (UCS), and California Bearing Ratio (CBR) tests were performed at 7, 28, and 56 days. Results indicated that OWA inclusion decreased the maximum dry density while it increased the optimum moisture content. However, cement addition improved the maximum dry density of soil. The UCS results revealed that OWA possessed cementitious and pozzolanic behavior, and soil mechanical properties improved by up to 30% due to OWA inclusion, after which there was a significant drop of 40%. The trend in the CBR results was similar to those of UCS. To further clarify the experimental results, a mathematical model was proposed to determine the variation in strength as a function of time. Furthermore, correlations between soil mechanical properties were conducted. Predicted equations were developed to determine the properties of rammed earth block. All in all, the inclusion of OWA in cement stabilized earth block suggests the potential to improve the properties of rammed earth blocks.

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Mechanical strength characterization and seismic performance of rammed earthen walls built on eco-friendly lateritic soil and sustainable stabilizing materials

Cited by 3 publications

References 65 publications

1 g shake table study on seismic strengthening of low-cost rammed earthen houses built of silt enriched soil using natural fiber reinforcement

1 g shake table study on seismic strengthening of low-cost rammed earthen houses built of silt enriched soil using natural fiber reinforcement

Structural Stability Evaluation of Natural Fiber Retrofitted Low-Cost Rammed Earthen Houses Under Seismic Loading

Effect of Incorporating Cement and Olive Waste Ash on the Mechanical Properties of Rammed Earth Block

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