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366 articles for “Compact”
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A Review on Trends in Ground Improvement Techniques
Abstract: AbstractGround improvement is frequently known as an innovative technique of the amendment of soil in foundation to deliver better effectiveness under design and/or operational loading conditions at the several construction sites. Ground improvement changes soil characteristics there by allowing different types of construction procedures. An enhancement of soft ground deposits near the coastal areas, black and delta soil areas of the country has been the contest for infrastructural development. Rapid …
Published in Journal of Geotechnical Engineering · Vol. 5, Issue 1, 2018 · pp. 18–22 Read article
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A Study on Stabilization of Expansive Soil with Ground Granulated Blast Furnace Slag and Sodium Silicate
Abstract: Utilization of industrial waste materials in the improvement of soils is a cost efficient and environmental friendly method. Stabilization of the expansive soil is studied by using Ground Granulated Blast Furnace Slag (GGBS) and sodium silicate. This paper includes the evaluation of soil properties like compaction, unconfined compressive strength test and California Bearing Ratio (CBR) test. Detailed experimental study has been undertaken to investigate the characteristics and behavior of expansive …
Published in Journal of Geotechnical Engineering · Vol. 4, Issue 2, 2017 · pp. 9–16 Read article
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Pullout Capacity of Screw Piles in Sandy Soil
Abstract: In this study, the behavior of square screw piles models 5´5 mm2 embedded in sandy soil was investigated. The sandy soil layer 400 mm thickness was compacted into four sub-layers in a steel container with diameter 400 mm in size. Sandy soil layer was compacted into three relative densities 30%, 60% and 90%. Model tests are performed with screw pile length 100 mm, 200 mm and 300 mm and with …
Published in Journal of Geotechnical Engineering · Vol. 4, Issue 1, 2017 · pp. 8–12 Read article
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Strength Behavior of Expansive Soil Treated with Lime
Abstract: AbstractThe main objective of the soil stabilization is to increase the bearing capacity of the soil. Unstable soils can create significant problems for pavements or structures. Therefore soil stabilization techniques are necessary to ensure the good stability of soil so that it can successfully sustain the load of the superstructures, especially in case of soil which are highly active; also, it saves a lot of time and millions of money …
Published in Journal of Geotechnical Engineering · Vol. 4, Issue 1, 2017 · pp. 25–30 Read article
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Role of Cement and Fly Ash in Soil Stabilization
Abstract: Soil stabilization changes the engineering properties of soil and produces strength and stability. Use of industrial wastes and manufactured materials in soil stabilization can be cost effective and environmental friendly. As there is a growth of habitations surrounding the PSIT campus, therefore, soil samples collected from this area were analyzed for its plasticity index properties. It was found that soils of this area come under low plastic category. Hence, the …
Published in Journal of Geotechnical Engineering · Vol. 7, Issue 3, 2020 · pp. 1–8 Read article
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Shear Strength Behavior of Different Soils
Abstract: The magnitude of shear strength of soils plays a major role in determining bearing capacity of shallow footings, frictional resistance for piles, stability of slopes, etc. for the safe and economic design of civil engineering structures. Based on the ideas of different researchers, shear strength of clay can be improved either by mixing sand or gravel, silty sand with gravel, and sand either with silt or gravel or granulated blast …
Published in Journal of Geotechnical Engineering · Vol. 9, Issue 1, 2022 · pp. 1–5 Read article
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Introduction to Multiphysics Simulation for Integrated PCB Design and Operation AI Environment Analysis on Behalf of EMI/EMC
Abstract: Modern trend of PCB (Print Circuit Boards) designing are highly complex and unpredictable. User requirements make the PCB compact and faster nowadays. To make the PCB compact and faster in nature, multidimensional PCBs are trending nowadays. Although multidimensional PCBs are better in size and speed but also have some irrelevant issues like resonance, crosstalk, power/ground bounce and simultaneous switching noise (SSN). All irrelevant issues are responsible for EMI (Electromagnetic Interference). …
Published in Journal of Mechatronics and Automation · Vol. 6, Issue 1, 2019 · pp. 31–36 Read article
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Patch Antenna by using Tunable Metamaterial for Dual Band Application
Abstract: AbstractIn this paper, a novel compact microstrip antenna, designed on FR4 substrate, is proposed. Here, a compact Square patch antenna is designed in such a way that a layer of metal between the patch load and the radiating patch moreover, the ground which makes the antenna operate at a lower frequency and antenna at 2.418 GHz with the directivity and gain is 6.58 6dB and 2.935dB. The Tunable metamaterial is …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 20–24 Read article
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Modification of Microstrip Antenna by “Hexagonal Shaped” Metamaterial for Wireless Applications
Abstract: AbstractIn this proposed paper, a split ring “Hexagonal Shaped” metamaterial structure is used to modify the factors of antenna. The compact patch antennas (CPA) are directive and their size is small in surroundings. These antennas are sources to achieve the recent requirements. These antennas are desired to be possessing less return loss, better directivity, higher bandwidth and compact size at the operating frequency when used in any communicating operation. This …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 25–29 Read article
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Review on Microstrip Patch for Detection of Breast Cancer
Abstract: AbstractAs the number of breast cancer patients are increasing , we need more reliable method that can helps in detecting the type of cancer in early stages which will lead to save the patients’ lives as the earlier tumor is detected the higher chance for recovery. Therefore the aim of our project is to design compact low profile wearable antenna that is used for early cancer detection with low cost. …
Published in Journal of Microwave Engineering and Technologies · Vol. 7, Issue 1, 2020 · pp. 34–37 Read article
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Design of a Fractal Aperture Coupled Microstrip Antenna for UWB Applications
Abstract: Ultra wide band frequency allocation of 5.3–9.2 GHz spectrum by Federal Communications Commission (FCC) presented myriad applications of exciting opportunities and challenges for design in the communication arena, including antenna design. The compact antenna designs with operating bandwidths of more than 100% are a challenging demand for the current wireless scenario. This can be easily met with fractal boundaries by using wide slot antennas. In this paper, fractal slot antenna …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 1, 2017 · pp. 19–22 Read article
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Analysis of a Dual Band Stacked Patch Antenna with Multiple Notches
Abstract: This paper presents the design and analysis of compact dual band stacked microstrip patch antenna for various applications. The designed antenna structure represents the dual frequency band operation and it covers the S band, frequency applications such as Wi-Fi, surface ship radar, weather radar, broadcasting in the range from 2.31GHz to 3.77GHz frequency band, radar, satellite based digital audio radio service (DARS) communication and some communication satellites. The parameters of …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 1, 2017 · pp. 23–28 Read article
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CPW-fed Dual Sense Slot Antenna for Circular Polarization
Abstract: A novel compact dual-band and dual-sense circularly polarized coplanar waveguide (CPW) fed rectangular slot antenna is proposed. Dual-band and dual-sense is realized by a proper choice of the L-shape feed line and two parasitic elements inside the slot. A prototype dual-sense antenna is fabricated. The antenna has a compact size of 63.5×55mm2. Measured 3dB axial ratio bandwidth of the lower band with right hand circular polarization (RHCP) is 26.32% (1.435GHz …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 1, 2021 · pp. 17–24 Read article
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MECHANICAL CHARACTERISATION AND METALLOGRAPHY OF SiO2 PARTICULATE REINFORCED ALUMINA MATRIX COMPOSITE PROCESSED BY POWDER METALLURGY
Abstract: Metal matrix composite has a wide variety of applications in field of aerospace industry, automotive and military application. This paper focuses on developing a new composite and characterization for determining the mechanical properties of composite. SiO2 particulate reinforced alumina matrix composite is to be developed by combining alumina as matrix and SiO2 as reinforcement phase with help of poly vinyl alcohol as binder. Compaction pressure and sintering temperature is varied …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 2, 2018 · pp. 7–11 Read article
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Investigation of Dielectric Properties of a Novel Hybrid Polymer Composite using Industrial and Bio-waste
Abstract: AbstractFly ash is an industrial waste which creates environmental problems. Coir dust is a byproduct of coir fiber production. Novel low-cost hybrid polymer composite using coir dust and fly ash particle reinforcement is prepared. Investigation of dielectric behavior of this hybrid polymer composite proves its efficacy as a high-value marketable product. Individual compacts of coir dust, fly ash, coir dust and fly ash are also prepared for comparison with the …
Published in Journal of Polymer & Composites · Vol. 1, Issue 1, 2013 · pp. 22–27 Read article
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A Slotted Fabric Antenna for Broad Band Application
Abstract: This article is presented a compact slotted textile patch antenna for broadband applications. The presented antenna is designed on textile substrate with dielectric constant of 1.7 and the anticipated antenna is compact size. It has been simulated using CST too and measurement is done with network analyzer. It covers a bandwidth of 6.45 GHz extending from 2.85 GHz to 9.30 GHz. It has maximum directivity of 2.932 dBi. The measured …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 2, 2017 · pp. 10–14 Read article
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Ensuring the Protection of Flood Embankments: A Vital Necessity
Abstract: In the face of flooding events, safeguarding flood embankments becomes imperative. These situationsoften involve rivers with significant water depth and velocity, leading to the exertion of considerablethrust due to the presence of standing water and the flow's speed. These embankments are typicallyconstructed using compacted non-cohesive soil. To prevent erosion of the embankment, it is crucial thatthe thrust of water applied to it remains within the bearing capacity limits of the …
Published in Journal of Water Resource Engineering and Management · Vol. 10, Issue 3, 2023 · pp. 23–28 Read article
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California Bearing Ratio and Young’s Modulus Behavior of Clinker Stabilized Fly Ash-Mine Overburden Mixes
Abstract: Fly ash is a major byproduct of coal combustion. Fly ash often causes disposal problems and environmental pollution. This paper presents detailed laboratory investigation carried out on clinker stabilized fly ash-mine overburden mixes to find out its suitability for sub-base of mine haul road pavements. Proctor compaction test, Unconfined Compressive Strength (UCS) test, California Bearing Ratio (CBR) Test, Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDX) were conducted …
Published in Recent Trends in Civil Engineering & Technology · Vol. 3, Issue 3, 2013 · pp. 1–10 Read article
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Refractive Index Measurement Using Integrated Fiber Optics Triangulation Technique
Abstract: Quantitative and qualitative analytical techniques are of considerable importance for the purpose of detection, identification and measurement in biomedical application. Over the years, several methods have been developed to detect and quantify various biological samples. However each of this method presents certain limitations pertaining to its sensitivity, accuracy, and reproducibility. The recent trend to improve biochemical analysis is to provide a platform, which is more sensitive, accurate, portable, rapid and …
Published in Recent Trends in Sensor Research & Technology · Vol. 9, Issue 3, 2022 · pp. 32–37 Read article
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Assessing the Sensitivity of the Strength Properties of Asphalt Concrete Mixture to the Variation in Asphalt Binder Content
Abstract: The variationsin the asphalt cement binder content withinthe job mix formula, may exhibit a great influence on the required strength properties of asphalt concrete mixture. The present investigation deals with asphalt concrete mixtures which are usually implemented for wearing course pavement layer. The mixtures were prepared at optimum binder content of 4.8 %, and at ± 0.5 % of the optimum binder content and subjected to the short-term ageing process.Slab …
Published in Trends in Transport Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 26–34 Read article