Proposal of Design Formulae for Equivalent Elasticity of Masonry Structures Made with Bricks of Low Modulus

Ridwan, Muhammad; Yoshitake, Isamu; Nassif, Ayman Y.

doi:10.1155/2017/6456070

Cited by 9 publications

(6 citation statements)

References 27 publications

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“…9). [8] [1] was observed that typical mortar has a lower elasticity than bricks in the homogenization process (Table 1). His proposed analytical approach can significantly contribute to a safer analysis and design of masonry structural systems built with low-quality bricks in various developing countries, such as Indonesia.…”

Section: Figure 7 Average Bricks Compressive Strengthmentioning

confidence: 99%

“…The general Indonesia people had known that buildings made from wood are resisted to the effect of seismic loading. In fact, in every region of Indonesia, almost 80% use bricks as the primary material of masonry [1]. In some developing countries, traditional clay bricks are produced locally without following any technical inspection or standard and the quality varies from region to region.…”

Section: Introductionmentioning

confidence: 99%

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An evaluation of mechanical properties of clay brick for masonry wall in Indonesia

Ridwan¹,

Kurniawan

Agus

2018

MATEC Web Conf.

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In principle, the main construction of the non-engineered building in Indonesia is the wooden structure. It can be seen from traditional houses in Indonesia. However, In the last two centuries, the use of brick masonry as wall component has been becoming the primary material. Another side, some places in Indonesia are the seismic areas and earthquake-prone areas. Learning from the earthquake that has happened in the last ten years, the building that used clay brick for masonry wall mostly suffered damage and destruction when subjected to a relatively high intensity of the earthquake. This paper used data from several places and some references. There have significant differences in the mechanical properties of the bricks. Generally, Indonesian bricks masonry have limited capability and substantial differences in the mechanical properties when compared to another country bricks. By the considering, the Indonesian bricks masonry that has low mechanical properties, so that it is proposed to use brick masonry to non-seismic only. It should be considered to use clay brick as the main component of the wall for a particular region in Indonesia. Next, the zoning of allowed masonry structure in Indonesia is proposed.

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Section: Figure 7 Average Bricks Compressive Strengthmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An evaluation of mechanical properties of clay brick for masonry wall in Indonesia

Ridwan¹,

Kurniawan

Agus

2018

MATEC Web Conf.

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“…Limestone West Sumatra is one of the province in Indonesia that is prone to earthquakes [1]. However, more than 80% of either residence or office buildings used bricks which are produced do not meet the Indonesian Industrial Standard (SNI) of 15-2094-2000.…”

Section: Introductionmentioning

confidence: 99%

Physical changes of low quality of clay bricks due to sandy-soil mixture under combustion performance

et al. 2021

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This research studies the physical properties of the low quality of bricks mixed with sandy -soil in home industries located in Gunung Sarik of Padang City. The ratio mixture of the brick making material in the home industries was not measured with the proper measurement; as a result the quality of the brick was poor. The research used 5 x 5 x 5 cm and 180 cubes of bricks to see the physical changes. The ratio of mixed materials between sandy soil and clay are 0.11.025, 0.43,0.67,1.0, and 1.50. The procedure for making bricks was the same as a factory without changing the factory method. The process of burning bricks for three days and two nights using wood. From the test results, the density of the bricks did not change significantly between direct and indirect fire exposure but decreased in proportion to the addition of sandy soil. The addition of sandy soil reduces the percentage of damage and physical changes. The acceptable ratio of sandy -soil mixture is a range of 0.43.-0.6.

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“…Indonesia is in a seismic area and frequently suffers earthquakes and fires. It can learn a lesson in Indonesia that the brick walls are always crashed by earthquakes [1,2,3]. Many efforts have been made to mitigate the damage and retrofitting is one of the approaches for improving structural safety after earthquakes.…”

Section: Introductionmentioning

confidence: 99%

Effect of polypropylene fibers on high strength mortar subjected to elevated temperature

2020

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This study focuses on the thermo-mechanical properties of mortar in the retrofitting cover of additional reinforcement for existing concrete structures. In addition, the residual mechanical properties of high strength mortar incorporating polypropylene fibers subjected to the effect of fiber length and the elevated temperature were investigated. Several experiments were conducted to determine the optimum mixture proportions of high strength mortar incorporating polypropylene fibers which had a slump-flow of 25-30 cm, compressive strength of 50 MPa or higher, and flexural strength of 4-8 MPa. Subsequently, an experiment was conducted by using high-strength mortar-blended polypropylene fibers with a length of 2 cm, and the ratio of fiber length to the diameter of cylinder mortar-specimens was 0.4. The experimental parameters were the weight volume of fibers (0 %, 0.5 %, 1 %, and 2%) and the heating temperature (100, 200 and 300 °C). The effect of the mixing parameters, including polypropylene length on compressive strength, slump-flow and the flexural strength of mortar were discussed. It is evident that fiber in the mortar cover influenced the initial and residual mechanical properties, such as elasticity, compressive strength, and Poisson's ratio, of the mortar.

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Proposal of Design Formulae for Equivalent Elasticity of Masonry Structures Made with Bricks of Low Modulus

Cited by 9 publications

References 27 publications

An evaluation of mechanical properties of clay brick for masonry wall in Indonesia

An evaluation of mechanical properties of clay brick for masonry wall in Indonesia

Physical changes of low quality of clay bricks due to sandy-soil mixture under combustion performance

Effect of polypropylene fibers on high strength mortar subjected to elevated temperature

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