Volume 12 | Issue 5

 Abstract

Developing a cryptography model that can translate legible writing from common language and converse is the aim of this research. For SoC level FPGA, the AES 128-bit symmetric cryptography technique is used to avoid malware in both hardware and software. The ideal AES design with an enhanced security scheme is also described in this study. The suggested model enables pipelined reusing of the same hardware. Furthermore, suggests expanding the use of dynamic key extraction in cryptosystems to increase randomness through the addition of outer layer security. A completely automated process for creating keys framework utilizing digital biometrics is utilized to produce a 256-bit key with enhanced randomness for 32 From the provided digital biometric, pixels are randomly selected, and the values of all the selected pixels are concatenated at random to generate a 256- bit encryption key.

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 Keywords

AES (Advanced Encryption Standard), FPGA (field programmable gate array), LUT (Look up table), Mbps (megabit per second), sub (sub bytes), shift (shift rows), mix (mix column), add (add round key).

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Creative Commons Attribution 4.0 and The Open Definition

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This design proposes a solar- powered robot for drawing solar panels, exercising solar energy for both power generation and drawing operations. The system integrates rechargeable batteries, a robotic platform with drawing mechanisms, and a mobile app for stoner control. It's ideal is to optimize solar panel performance by maintaining cleanliness without homemade intervention. The robot's cleaning mechanisms are designed for effectiveness and minimum panel damage. Control commands are transmitted via Bluetooth from the mobile app, enabling real- time monitoring and adaptation. The tone- sustaining power system ensures nonstop operation, suitable for remote or out- grid installations. Overall, this innovative result offers a cost-effective and sustainable approach to solar panel conservation

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 Keywords

Arduino, Cleaning, sensors, Brushes, Bluetooth, Automation

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 Abstract

To fulfill the demands of globalization in the construction of buildings and infrastructure, India has recently made a significant effort in constructing the infrastructure, including expressways, power projects, and industrial structures, among other things. Concrete and cement are commonly utilized in construction and building techniques across the globe. It is necessary to switch to green concrete from Ordinary Portland Cement (OPC), since OPC uses more energy and harms the environment. In this study fly ash is used as an alternate to OPC, as fly ash has a high silicate and alumina content, it combines with an alkaline solution to form an alumino-silicate gel, which bonds the aggregate and results in high-grade concrete. The concrete mix proportioning used is M30 GRADE and activation of geo polymer concrete is done using alkaline activators such as sodium hydroxide and sodium silicate solutions, finally checking the mechanical strength properties of GPC in comparison with conventional concrete

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 Keywords

Alkaline Activators, Durability, Fly ash, Strength.

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 Abstract

This study presents a detailed analysis of retractable roofs. The retractable roof is a versatile architectural feature designed to provide flexible shelter and climate control for various structures, such as stadiums, arenas, and outdoor spaces. This innovative technology allows for the seamless transition between open-air and covered environments, offering protection from adverse weather conditions while maintaining an open-air experience when desired. It aims at enhancing the overall spectator experience and ensuring uninterrupted gameplay, regardless of adverse weather conditions. This innovative system involves mechanized panels and sections that can be opened or closed. The length of retractable roofs increases with the demand for more flexible and light construction, and such requirements mark retractable roof structures more sensitive to wind actions. The project outlines the potential impact of this innovative solution on the sports industry and multipurpose events.

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 Keywords

Analysis, design, modeling, roofing material, STAAD PRO, trusses, retractable, Stadium.

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 Abstract

Using lignin extract to mend craters has shown favorable results in addressing the challenges posed by pavement distresses on roads and highways. Traditional methods for repairing craters involve resource-intensive hot asphalt mixtures, resulting in temporary fixes. This project introduces an innovative approach using additive extrusion technology and lignin extracted from coconut coir for more efficient, cost-effective, and durable pavement repairs. By blending lignin with bitumen and incorporating urea formaldehyde polymer, this method helps in utilizing the full benefits of a pavement and offers a sustainable alternative to traditional materials. This eco-friendly solution not only strengthens road surfaces but also contributes to greener road maintenance practices, ensuring safer and increases the durability of pavements.

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AN INNOVATIVE EXPERIMENTAL TECHNIQUE OF ADDITIVE EXTRUSION MEND FOR CRATERS IN PAVEMENT

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 Abstract

The focus of present researchers shifted towards utilizing local available alternative materials with binding properties in concrete as a cement replacement. Utilization of agricultural waste with pozzolanic properties in concrete will further aid for sustainability. Thus, the present study is initiated evaluate the mechanical of pervious concrete with sugarcane ash replacing cement. Porous concrete is gap graded concrete mix with minimum or no fine and which allow water to percolate in to the earth beneath the pavement. Porous concrete being used as structural layer in the pavement, the concrete mix shall require minimum structural strength, as well as the permeability properties. M20 concrete mix design process is adopted in the present study, with an assumption that the cement mortar just coats the aggregate and does not completely fill any voids. The dried sugar cane waste is incinerated at 2500 C to get the sugarcane ash, which is further sieved through 150 microns sieve, and the passing fraction is used in mix as a partial replacement for cement. Concrete cubes with sugar cane ash replacing cement in ratios of 0 %, 0.5 %, 1 %, and 1.5% by weight were prepared to evaluate the 7 days, 14 days and 28 days compressive strength. The compressive strength (N/m2) obtained for 0.5% is 112, 191, 120, 1% is 205,210,218. and 1.5% is 280,292,302 for 7, 14 and 28 days respectively.

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 Keywords

Compressive Strength, Porous - Concrete, Sugarcane-Ash

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 Abstract

Curing is said to be the method of maintaining minimum moisture content after construction to develop the desirable properties. In many situation curing is not possible so, to overcome those situation we are using chemicals to attain the process of curing. The chemicals like Poly-vinyl alcohol (PVA)and Poly ethylene glycol (PEG-400) contribute on cement by giving good Strength and hydration rate. This self curing agents gave better compressive strength and split tensile strength.

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"AN EXPERIMENTAL INVESTIGATION OF SELF CURING CONCRETE INCORPORATED WITH PEG - 400 AND PVA".

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 Abstract

The process known as liquefaction, which occurs when there is an excess of "pore water pressure" and a drop in the frictional resistance of the soil after an earthquake, is what causes the solid ground to change into a liquid condition. Sands that are loose or somewhat wet and have poor drainage, such clayey or silty sands, are susceptible to liquefaction. The standard penetration test (SPT) and the cone penetration test (CPT), which are favoured to evaluate the liquefaction potential of soil, are examples of in-situ tests that are the foundation of common liquefaction evaluation techniques. Rearranging the soil particles into tighter arrangements increases density and is known as densification. Using the stone column strategy, soil stability is increased as part of the ground-up improvement process. To compress the soil and raise its density, drop a large weight onto the ground several times from a considerable height

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 Keywords

densification, liquefaction, mitigation, stone column, pore water pressure

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Creative Commons Attribution 4.0 and The Open Definition

 Abstract

This study is to analyze the compressive strength of concrete by partially replacing cement with Fly Ash and Ground Granulated Blast Furnace Slag (GGBS). The use of supplementary cementitious materials, such as Fly Ash and GGBS, in concrete production has gained significant attention due to its potential to enhance the sustainability and durability of concrete structures. This study is to work out the effect of mineral admixture GGBS and Fly ash in concrete of grade M-40 when it is added in & replaced for the fresh state and hardened state i.e. for workability and strength of concrete using OPC (43 grade). As mineral admixture GGBS and Fly ash have been added to OPC which varies from 20% and 40% at interval of 20% &40% by total weight of OPC, various range of addition and replacement of cement by GGBS and Fly Ash in the concrete. All mixes of concrete will examined for workability as slump test of fresh concrete. Hardened concrete is examined for Compressive strength for 7days,14days and 28 days. Slump will be analysed as compared to that of addition of GGBS & Fly ash.The research findings contribute to the understanding of the performance of concrete mixtures containing supplementary cementitious materials and offer practical recommendations for their utilization in construction. By addressing these objectives, this research endeavors to advance the knowledge and practice of sustainable concrete production and promote the responsible use of Fly Ash and GGBS in the construction industry.

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 Keywords

Cement, Coarse aggregates, Fine aggregates, Fly Ash, GGBS(GROUND GRANULATED BLAST- FURNACE SLAG)

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 Abstract

In the present era design of any structural element would be a challenging task. Design of compression members being most challenging to decide the section is capable to withstand or bear the force applied on it. Hence design of Structural members are always designed based on number of trails and error method. While undertaking many trails, design calculations with their design checks proves a length and time consuming. Hence, in the present study efforts are put to build the stock of various design combinations of compression members by pre-assuming the sectional date and applying forces, moments on it. And suitable conclusion will be made at the end.

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DESIGNED TABULATIVE COUPLING OF RC COMPRESSION MEMBERS-A SIMULATIVE APPROACH

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In civil engineering and construction, a piled raft foundation, also referred to as a raft with piles or a piled mat foundation, is one kind of foundation structure. It is frequently used to poor soil conditions, such as soft clay, loose sand, and extremely compressible soils. To increase load carrying capacity and settlement, the piled raft foundation combines the advantages of deep foundations and shallow raft foundations. It's crucial to keep in mind, nevertheless, that the design and building of PRF need for meticulous engineering study and consideration of site-specific factors, including soil conditions, structural loads, and foundation system behaviour. The study focuses on the PRF system's vertical load carrying capacity and settlement reduction under both eccentric and concentric stress on sand. To find out how different pile alignment and length affected the PRF's ultimate load, small-scale model tests are carried out. The study's findings suggest that the PRF system can minimize differential settlement and boost the raft's load bearing capacity by carefully placing the piles in optimized position. The study specifically aimed at how changing the pile's length to diameter (L/D) ratio affected their ability to support loads. The results of the research work indicate that strategical placing the piles in the PRF system improve the load bearing capacity and reduce the settlement.

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 Keywords

Piled raft foundation, cohesion less soil, Load improvement ratio

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 Abstract

Availability of conventional materials for concrete is cause for concern worldwide. In recent years significant global initiatives to use both local and waste materials in concrete has taken place. One of these materials is rice husk, which when incinerated under regulated conditions and if finely pulverized may be utilized as a substitution for cement in concrete. In order to understand the impact of Rice Husk Ash (RHA) on the mechanical and durability characteristics of concrete when used as a partial cement replacement, a thorough assessment of the relevant literature on Rice Husk Ash (RHA) is conducted. Due to its significant pozzolanic qualities, RHA has the ability to replace cement upto 30% without affecting the structural integrity of concrete. The main objective of this study is to find the optimum percentage of replacement of Rice Husk Ash based on compressive strength and flexural strength of concrete. Thus, the use of RHA as a partial alternative to cement in concrete can offer additional environmental benefits, such resource saving and the management of agricultural waste, while simultaneously encouraging a circular economy in the construction sector.

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 Keywords

Rice Husk Ash, Partial replacement, Optimum Percentage

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 Abstract

In this paper, concrete of grade M40 is studied by using Ground Granulated Blast furnace Slag (GGBS)(10%, 20%, 30% and 40%) and Rice Husk Ash (RHA) (5%, 7.5% and 10%) as partial replacement of cement and by using Quarry dust(0%, 15%, 30%, 45%, 60%, 75%, 90% and 100%) as partial replacement of sand. Compressive Strength properties are studied. Study is carried out in three phases and the optimum replacement level is found out.

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 Keywords

GGBS, RHA, Quarry Dust, Compressive Strength

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 Abstract

Curing of concrete is the process of maintaining satisfactory moisture content in concrete during its early stages to develop the desired properties. However good curing is not always practical in many cases the present study deals with the effect of polyethylene glycol (PEG)and poly-vinyl alcohol (PVA) on concrete and their contribution to strength which are carried out. The effect of admixtures in mechanical characteristic of concrete i.e., compressive strength, split tensile strength by varying the percentage of PVA and PEG-400 from 0% to 2.5% by weight of cement is studied for M30 grade of concrete and the optimum percentage of PEG and PVA in self-curing concrete with conventional concrete with water curing is compared. The optimum percentage with PEG is coated with PVA and strength analysis is done. Curing is one of the most important factors for achieving maximum desirable strength in concrete, concrete should be cured properly so that it is fully hydrated and loss of moisture inside the concrete should be reduced. Poly vinyl alcohol and polyethylene glycol-400 is locally available chemical which can be used as a self-curing agent in concrete so that moisture in the concrete can be maintained and concrete can be fully hydrated

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 Keywords

Self-curing concrete, polyethylene glycol, poly-vinyl alcohol, M30 grade

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 Abstract

This study presents a comprehensive comparison of thermal barrier coatings (TBCs) utilizing zirconia and environmental barrier coatings (EBCs) incorporating silicon carbide and aluminum oxide. Through rigorous experimental testing and computational analysis, key performance metrics including thermal insulation, erosion resistance, and durability are evaluated. The findings elucidate the distinctive strengths and weaknesses of each coating type, facilitating informed decision-making for optimal material selection in high-temperature applications

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PERFORMANCE COMPARISION OF TBC's & EBC's

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 Abstract

A significant amount of energy is wasted by vehicles when they pass over speed breakers due to friction. However, this energy can be used to generate electricity. In this project, we propose a smart speed breaker system that captures energy from vehicles and converts it into electrical power.

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Traffic Sign.

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 Abstract

Transforming non-motorized vehicles into motorized alternatives presents a compelling avenue for modernizing traditional transportation modes while upholding sustainability. This study investigates the integration of electric propulsion systems into non-motorized vehicles to enhance their efficiency, range, and ease of use. By bridging the gap between conventional and modern transport systems, this study aims to offer eco-conscious solutions aligned with contemporary needs. Our primary objective is to demonstrate the feasibility and potential benefits of this conversion process, thereby unlocking new possibilities for personal and commercial transportation. This report details the methodology, technical aspects, challenges, and outcomes of the conversion process, aiming to contribute to the discourse on sustainable transportation solutions and inspire future developments in this transformative field.

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 Keywords

Non-motorized, Technical aspects, e-Bike.

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Creative Commons Attribution 4.0 and The Open Definition

 Abstract

This paper discusses a new safety system for vehicles that integrates power window mechanisms with various sensors to enhance passenger safety in emergencies. The goal is to deploy the existing power window infrastructure to automate window operation in dangerous situations, facilitating a rapid and safe exit from the vehicle. The proposed system includes a control unit connected to multiple sensors, including tilt, water, air quality, fire, and gas sensors. These sensors monitor the vehicle's environment for signs of danger. The tilt sensor detects if the vehicle has rolled over or is at a severe angle, while the water sensor identifies submersion in water. The quality of the air sensor checks for harmful gases, and the fire and gas sensors alert to fire or high gas levels. If an emergency is detected, the control unit activates the electric window mechanism to open the windows, allowing passengers to exit safely. This system provides a cost-effective solution by utilizing existing power window technology, making it easier to implement in current vehicle designs. It adds an additional layer of safety, enabling quicker evacuation in emergencies. The integration of this system into vehicles can dramatically decreases the likelihood of accidents or other hazardous situations. In summary, this safety system utilizing power window mechanisms and various sensors shows great potential approach for improving vehicle safety. By leveraging existing technology, it offers a practical and efficient solution to enhance passenger safety in emergency scenarios.

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Power Window Mechanism, Vehicle Safety, Emergency Sensors, Passenger Safety

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Creative Commons Attribution 4.0 and The Open Definition

 Abstract

In this paper, Al-Mg-Si alloy has been used as the matrix material to develop metal matrix composites with silicon carbide particle particulates as reinforcement material. The different mesh size of SiC particles was chosen by varying wt.% (1%, 3% and 5%) and preparation was done through the stir casting method. Microstructure evaluation has been done for the formed composite material. Taguchi's technique was used to find the optimization, Analysis of Variance (ANOVA) and mathematical model were generated through regression method to validate the experimental results obtained for hardness.

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Creative Commons Attribution 4.0 and The Open Definition

 Keywords

ANOVA, Hardness, Matrix, Composite

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Creative Commons Attribution 4.0 and The Open Definition

 Abstract

An abstract of 3D printing could highlight its transformative impact on various industries and disciplines. It would likely mention its ability to fabricate intricate objects layer by layer from digital designs, offering unprecedented flexibility and customization. Additionally, the abstract might discuss the diverse range of materials used in 3D printing, from plastics and metals to biomaterials, enabling applications in fields such as aerospace, healthcare, automotive, and consumer goods. Furthermore, it might touch upon emerging trends such as large-scale construction and the integration of artificial intelligence to optimize printing processes. Overall, the abstract would emphasize 3D printing's potential to revolutionize manufacturing, design, and innovation across numerous sectors.

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 Keywords

3D PRINTING USING IOT

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