Mechanical properties of adobe bricks in ancient constructions

Silveira, Dora; Varum, Humberto; Costa, Anı́bal; Martins, Tiago; Pereira, Henrique Garcia; Almeida, José B.

doi:10.1016/j.conbuildmat.2011.08.046

Cited by 163 publications

(88 citation statements)

References 4 publications

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“…The weakest rocks at Gale are no stronger than adobe bricks (1.5-5 MPa) Silveira et al, 2012), and the strongest rocks drilled can be compared to the strength of a standard concrete sidewalk or driveway (15-30 MPa) (Teychenné et al, 1997). The Murry and Stimson are composed of relatively weak rocks when compared to quartz-indurated sandstones and siltstones found on Earth.…”

Section: Discussionmentioning

confidence: 99%

Uniaxial Compressive Strengths of Rocks Drilled at Gale Crater, Mars

Peters

Carey

Anderson

et al. 2018

Geophysical Research Letters

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Measuring the physical properties of geological materials is important for understanding geologic history. Yet there has never been an instrument with the purpose of measuring mechanical properties of rocks sent to another planet. The Mars Science Laboratory (MSL) rover employs the Powder Acquisition Drill System (PADS), which provides direct mechanical interaction with Martian outcrops. While the objective of the drill system is not to make scientific measurements, the drill's performance is directly influenced by the mechanical properties of the rocks it drills into. We have developed a methodology that uses the drill to indicate the uniaxial compressive strengths of rocks through comparison with performance of an identically assembled drill system in terrestrial samples of comparable sedimentary class. During this investigation, we utilize engineering data collected on Mars to calculate the percussive energy needed to maintain a prescribed rate of penetration and correlate that to rock strength.

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Section: Discussionmentioning

confidence: 99%

Uniaxial Compressive Strengths of Rocks Drilled at Gale Crater, Mars

Peters

Carey

Anderson

et al. 2018

Geophysical Research Letters

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“…Part of the research work developed at University of Aveiro has been focused on the study of the mechanical behavior in compression and tension of the adobes traditionally used in Aveiro district [7]. The study of the mechanical behavior of adobe bricks is an important step in the investigation of the mechanical behavior of adobe masonry [8], although it should be noted that tests performed on adobe specimens are only indicators of the quality of adobe, and not of the quality of masonry [9].…”

Section: Motivation and Objectivesmentioning

confidence: 99%

Influence of the testing procedures in the mechanical characterization of adobe bricks

Silveira

Varum

Costa

2013

Construction and Building Materials

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“…Most research and advances in the use of earthbased construction materials has focussed on strengthening adobe as a material, or on the study of compressed stabilized earth blocks (CSEB) (2)(3)(4)(5), which in Spain is the only existing standard governing earthen building materials (6). There are few standards governing rammed earth construction (7): Zimbabwe introduced the SAZS 724 standard (8) and in India the IS 2110 standard (9) applies to soilcement walls.…”

Section: Introductionmentioning

confidence: 99%

A new procedure to adapt any type of soil for the consolidation and construction of earthen structures: projected earth system

2015

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ABSTRACT:The "projected earth system" is put forward as an alternative construction method. The soil from each site is adapted following a specific protocol to make it suitable for spraying. The type of construction and the receiving surface determine the machinery and spraying system used (dry or wet mix). The result will be similar in texture and colour to the original material (in the case of earth walls) or to the surrounding material. RESUMEN:Un procedimiento nuevo para adaptar cualquier tipo de suelo para la construcción y consolidación de estructuras de tierra: Sistema de Tierra Proyectada. Se plantea la "tierra proyectada" como nuevo sistema constructivo. Se adecuará la tierra de cada intervención con un protocolo para poder ser proyectada. El tipo de intervención y el soporte sobre el que se proyectará determinarán la maquinaria y el sistema de proyección (vía seca o húmeda). El resultado tendrá similar textura y color que el soporte restaurado (en muros de tierra) o que el material del entorno (en taludes carreteros u obras de tierra de nueva construcción).

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Mechanical properties of adobe bricks in ancient constructions

Cited by 163 publications

References 4 publications

Uniaxial Compressive Strengths of Rocks Drilled at Gale Crater, Mars

Uniaxial Compressive Strengths of Rocks Drilled at Gale Crater, Mars

Influence of the testing procedures in the mechanical characterization of adobe bricks

A new procedure to adapt any type of soil for the consolidation and construction of earthen structures: projected earth system

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