Volume 10 | Issue 7 |

 Abstract

Concrete production needs a considerable amount of fine aggregate. The large-scale extraction of river sand from riverbeds has been prohibited. So, by partially substituting sea sand with river sand as fine aggregate, an experimental investigation on the strength characteristics of cement concrete is conducted. Normal sea sand, soaked sea sand, and soaked and boiling sea sand were employed in this investigation. In fine aggregate, sea sand is substituted in proportions of 25, 50, 75, and 100 percent. The major focus of this research is on a practical examination of the compressive strength and split tensile strength of concrete in which sea sand is partially or totally substituted as fine aggregate and measured at 28, 56, and 90 days to evaluate M25

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 Keywords

Compressive strength, Concrete, Fine Aggregate, Sea sand, Split tensile strength

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 Abstract

Waste plastic and crumb rubber are industrial by-products that have a disposal problem. The building industry's demand for aggregate is steadily expanding in the modern period. As a result, these waste materials are becoming increasingly important in the search for suitable aggregate alternatives in future development. The natural coarse aggregate was partially replaced with crumb rubber and waste plastic as aggregate in this study at various proportions such as 0, 3, 6, 9, and 12 percent. Waste plastic is also used to replace natural coarse aggregate in various proportions of 5, 10, 15, 20, and 25%. On M40 grade concrete, an experiment was carried out to determine the compressive, split tensile, and ultrasonic pulse velocity of the specimen

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 Keywords

Compressive strength,Crum brubber, High density polyethylene and Split tensile strength

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 Abstract

The development of infrastructures involves the use of many natural resources resulting in their depletion. The production of the cement causes many problems like emission of carbon-di-oxide gas to the atmosphere can be reduced by the replacement of cement with GGBS. Similarly, the replacement of SS as a fine aggregate also enables to eliminate the problems associated with production of aggregates.This study aims to generate specific experimental data on the potential use of ground granulated blast furnace slag (GGBS) as a cement replacement as well as scrap slag (SS) as a fine aggregate replacement in concrete. This study analyses the mechanical strength for compressive strength, split tensile strength and flexural strength were conducted to find the optimum usage of alternative material GGBS with proportions of 15%, 25% and 30% of total weight of concrete and SS as fine aggregate in GGBS incorporated concrete with varying proportions of 4%, 8%, 12%, 16% and 20% of total weight of concrete. Also durability tests of sulphate , chloride resistance and corrosion test were performed. The experimental results have been shown that SS is a non- hazardous industrial by- product from steel making units. Optimum percentage of GGBS as binder was found to be 25% in M25 grade concrete. From the research study, the optimum percentage of SS as fine aggregate in optimum GGBS incorporated concrete was found as the concrete made with 12% replacement of fine aggregate with SS. The duration of concrete exposure in sodium sulphate solution increases the weight loss increases and compressive strength decreases. As the duration of concrete exposure in hydrochloric acid solution increases the weight loss is less affected and the compressive strength decreases.

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 Keywords

GGBS, Sodium Sulphate, Chloride, Hydrochloric acid

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Present days the construction activities increased day by day. Concrete technology upgrading has harmed the environment to a greater level. Concrete is one such basic component that has always undergone continuous improvement in order to improve the strength properties by adding various admixtures. The strength of concrete is improved by substituting Alccofine and Metakaolin for cement and adding jute fibres to the mix. Jute fibers are added in concrete to improve strength without any environmental effect. In this experimental investigation 1% of jute fiber added by the volume of concrete. The partial replacement of cement with Metakaolin and Alccofine with percentages of 3, 6, 9, 12, 18 and 0.3, 0.6, 0.9, 1.2, 1.5 respectively. The mechanical properties are determined for 28, 56 and 90 days. The maximum UPV found to be 4760N/mm2 for 28 days by adding 1% jute fibers and partial replacing of Alccofine-1203 (1.2%) and Metakaolin (12%)

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 Keywords

Alccofine 1203, Jute fiber, Metakaolin

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Background: Cardiovascular Disease is the top leading cause of death in a south-Asian country like India. Cardiothoracic surgery is one of the treatments of choice in severe morbidity condition to reduce mortality rate and disability. Despite recent advances and updated technical instrumentation postoperative pulmonary complication is a critical problem. Physiotherapy works efficiently to minimise postoperative complication to improve the health status of the patient. Aims and objectives: The purpose of the study is to evaluate the immediate effect of Stacked Breathing technique on Peak Expiratory Flow rate[PEFR] and Oxygen Saturation[SpO2] in Cardiothoracic surgery Patient. Methodology: Out of a total of 119 screened patients, only 105 were able to complete the intervention. Stacked Breathing was performed by the patient twice daily [Morning and Afternoon] for 1st, 2nd and 3rd postoperative days termed as six-session [ IA, IB, IIA, IIB, IIIA, IIIB where, A=morning, B= afternoon and I to III is Postoperative day 1 to 3] pre and postexercise outcome were measured and data collected. Statistical analysis: Instant software was used for statistical analysis. As data is not normally distributed Dunn test [Non-Parametric repeated measure ANOVA] were used followed by post hoc test. Result: Comparing IA Vs. IIIB, net 40.73% change in PEFR value is observed. Statistically significant improvement in PEFR with p-value <0.001 is seen. Oxygen saturation shows statistically significant improvement with p-value <0.001 with each session daily. Conclusion: Stacked Breathing can be used as a treatment tool to increase Peak Expiratory Flow Rate and Oxygen Saturation in a patient with cardiothoracic surgery in their early postoperative days. Keywords: Stacked Breathing, Cardio-thoracic surgery, Peak Expiratory Flow Rate, Oxygen Saturation. Trial registration: Indian National Institute of Medical Statistics (Indian Council of Medical Research) was done. CTRI registration no. CTRI/2018/05/014193.

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 Keywords

stacked breathing, physiotherapy, cardiac rehabilitation, Peak expiratory flow rate, oxygen saturation

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Sundarbans, livelihood, migration, alternative women

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Siddha Medicine, Arutha chooranam, Thookkaminmai, Pharmacological activity.

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Marble powder is pollution in modern times. In order to prevent emissions to a great extent, we are suggesting a solution that includes partially substituting cement with marble powder. Humanity is seriously threatened by global warming. Replacement of non-renewable, non-degradable, and synthetic materials with renewable, biodegradable, and natural materials is necessary to halt and reverse the effects of global warming. Utilizing or coming up with creative uses for agricultural waste that may be used in banana trunks is the best method to effect change. Pipe stems can be used to extract fibre, which is widely used in the textile, paper, and composite materials industries. Banana fibre is an excellent substitute for synthetic fibre. The building material marble is frequently employed. Why? Because it is a byproduct of the marble industry, which has negative consequences on both the environment and human health. By reducing these effects, we can conserve natural resources. With banana fibre added as an additive, cement can be substituted with marble dust powder in the following percentages: 0%, 5%, 10%, 15%, 20%, and 25%. By these percentages, the maximum compressive strength and split tensile strength of concrete at ages 7 and 28 days both rise by 15%

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Compressive strength; marble powder; Banana fibre Split tensile strength

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In this article we discuss the Right to privacy and Media. We discuss in detail about right to privacy, the role of media, media trials, right to privacy and social media and statutory laws which have been enacted in India regarding this aspect of rights. A need for media houses and journalists to abide by their ethical principles and values is highest today when compared to anytime in history. I hope that this article will provide an insight about the right to privacy and media and will help you to build an idea on this topic.

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Right to privacy and Media

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Creative Commons Attribution 4.0 and The Open Definition

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There is an explicit and implicit association between pandemic and cashless payment in India. It is strongly and sufficiently linked to the expansion of cashless transactions across the country. COVID-19 has paved the way for converting the Indian economy into a cashless economy. A significant increase has been observed in credit card-operated transactions due to pandemics. This article examined how the respondents or individuals suffered during Covid-19 and the factors that influenced the household to borrow funds to fulfill their essential requirements during the covid-19. Additionally, the study aimed at classifying what kind of consumer credit was used by the individual before and after the covid-19 or pandemic situation. For this article, the descriptive method was used, and it is open-ended and close-ended questions were asked for the respondents during the survey. Anova and Correlation were used to analyze the data and conclusion according to the result

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 Keywords

Consumer credit, Installment credit, Revolving credit, pandemic and households

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Creative Commons Attribution 4.0 and The Open Definition