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A Comparative Study of Concrete Hollow Blocks with and Without Rice Husk Powder as Partial Replacement to Cement
P. Lugay Carlos Ignacio 1 , David Ian A Acierto 1 , Christian Paolo P Camba 1 , Rikki Venice L Gomez 1 and Maria Isabel M Ozaeta 1
Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series , Volume 1529 , The 2nd Joint International Conference on Emerging Computing Technology and Sports (JICETS) 2019 25-27 November 2019, Bandung, Indonesia Citation P. Lugay Carlos Ignacio et al 2020 J. Phys.: Conf. Ser. 1529 032045 DOI 10.1088/1742-6596/1529/3/032045
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1 Department of Industrial Engineering, Faculty of Engineering, University of Santo Tomas
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Rapid development leads to a high demand and increased price for the basic construction materials like cement. This led the researchers to look for possible partial cement replacement by investigating the potential use of rice husk in making concrete hollow blocks. The researchers created concrete hollow blocks (CHB) at three different percentage of rice husk (RH) powder addition from 0%, 5%, and 10%. This study was intended to evaluate which works best in terms of compressive strength and density. The researchers created a total of 36 samples but only 12 were tested at ASTEC Materials Testing Corporation. Cost analysis, compression testing, and measuring of dimensions are the methods used to gather data. Results from the testing show that the mean compressive strength of the normal CHB (0%) is 76 psi compared to only 53 psi and 39 psi for CHB with 5% and 10% RH, respectively. The density of the normal CHB is 1.4319 g/cm 3 while 1.2497 g/cm 3 and 1.2822g/cm 3 for CHB with 5% and 10% RH, respectively. In the cost analysis, the normal CHB costs ₱11.58 per piece, for CHB with 5% RH is ₱11.48, and for CHB with 10% RH is ₱11.37. Since the compressive strength of the normal CHB is greater than that of the CHB with pulverized rice husk, the researchers have concluded that a CHB unit is stronger and more resilient than a CHB with pulverized rice husk. Likewise, the mean density of the normal CHB is also greater than that of CHB with rice husk powder, it can be established that a CHB unit is more compact and rigid than the alternative. However, the addition of rice husk powder decreases the cost of CHB, therefore, CHB with RH is a more economical building material.
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A comparative study of concrete - Hollow and solid blocks utilized, in the construction sector with the help of buckling analysis
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K. B. Vigneshwara , A. Abhishek , P. Tanushkumaar; A comparative study of concrete - Hollow and solid blocks utilized, in the construction sector with the help of buckling analysis. AIP Conf. Proc. 21 November 2023; 2821 (1): 030012. https://doi.org/10.1063/5.0158439
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In structural engineering, buckling is the immediate deformation in shape of the structure when certain load is being applied and the examination of the effect is called Buckling analysis. The buckling analysis is performed with the help of software called Ansys, CAD analysis software generally used for analyzing the strength, toughnes s, elasticity, temperature distribution, electro-magnetism, fluid flow and other such attributes of a virtually designed product. Herein, the Buckling analysis of Concrete - Hollow block and Concrete - Solid block utilized in construction is demonstrated. The concrete hollow block is similar to the Concrete - Solid blocks which are commonly used in the construction sector except with lesser material content and we’re going to see how the strength and the capability of the block to withstand heavy forces is affected.
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The researchers created concrete hollow blocks (CHB) at three different percentage of rice husk (RH) powder addition from 0%, 5%, and 10%. This study was intended to evaluate which works best in ...
Development of Concrete Hollow Blocks from Pulverized Oyster Shell (Crassostrea iredalei) and Non-Biodegradable Materials ... Manufacturing Bricks (Undergraduate Thesis). Industrial Engineering Department. Polytechnic University of the Philippines. Sta. Mesa, Manila, Philippines.
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The hollow block has a standard size of 390 x 190 x 190 mm, with 25% to 50% of this size is voids. In the manufacturing process, each typical hollow block is estimated to consume 2.0 kg of cement, 9.0 kg of sand, 11.0 kg of aggregate, and 0.80 kg of water. Thus the manufacturing industry of concrete blocks was found, annually, to consume ...
The first Concrete block as a replacement for stone and wood in the building was used in the United States. The first concrete block house built up in 1837 on Staten Island in New York. Harmon S. Palmer, designed first hollow concrete block in 1890. Palmer patented the design of hollow block in 1900 after 10 years of experimental research.
In the research, a control mix of concrete (C 0) was used for preparing hollow blocks which had the following components: cement type CEM I 42.5 R in a dosage of 360 kg/m 3; and river aggregates in three sorts, namely 0-4 mm, 4-8 mm and 8-16 mm, which were in the following dosages: 803 kg/m 3 of sand, 384 kg/m 3 of sort 4-8 mm and 559 ...
and grouting the concrete hollow-block beams consisted of cement, fine aggregate and coarse aggregate in the ratio of 1:2.3:3 by weight. The water cement ratio was 0.52 and the amount of cement was 350 kg/m3. The maximum nominal size of the coarse aggregate was 20 mm. The concrete has been mechanically mixed.
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The researchers created concrete hollow blocks (CHB) at three different percentage of rice husk (RH) powder addition from 0%, 5%, and 10%. This study was intended to evaluate which works best in terms of compressive strength and density. The researchers created a total of 36 samples but only 12 were tested at ASTEC Materials Testing Corporation.
The researchers created concrete hollow blocks (CHB) at three different percentage of rice husk (RH) powder addition from 0%, 5%, and 10%. This study was intended to evaluate which works best in terms of compressive strength and density. The researchers created a total of 36 samples but only 12 were tested at ASTEC Materials Testing Corporation.
The concrete hollow block is similar to the Concrete - Solid blocks which are commonly used in the construction sector except with lesser material content and we're going to see how the strength and the capability of the block to withstand heavy forces is affected. Topics. Computer software, Educational assessment, Engineers.
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d. The hollow block maker made 12 concrete hollow blocks for the control treatment (NBS). In the same manner, he also made 12 concrete hollow blocks for the different treatment combinations : ABS5 x LBS 2, ABS10 x LBS2, ABS5 x LBS4, and ABS10 x LBS4. e. The moldedCHB were placed on a rigid horizontal surface free from vibrations. f.
The study generally aimed to utilize the potential of pulverized oyster shell (Crassostrea iredalei) and non-biodegradable materials such as plastics and discarded glass as composite materials in hollow block making. Experimental Research Design was employed to determine the effectiveness of the different treatments in making hollow block. This was conducted through a Completely Randomized ...
The article discusses the results of experimental investigation of highly hollow concrete block masonry and concrete infill block masonry behaviour under compression. The research revealed that ...
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