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22 articles for “swelling index”
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Effect of Alccofine Addition on the Index and Engineering Properties of Bentonite
Abstract: This paper presents the results of Atterberg’s limit, compaction, free swell index, and unconfined compressive strength test conducted on bentonite stabilized with alccofine. The alccofine content was varied from 0 % to 2 % by dry weight of the bentonite. The specimens for the unconfined compressive strength were prepared at optimum moisture content and maximum dry unit weight obtained from the compaction test and these specimens were cured up to …
Published in Journal of Geotechnical Engineering · Vol. 6, Issue 1, 2019 · pp. 9–17 Read article
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Expansive Soils and Identification Methods
Abstract: Expansive soil is a well-known type of difficult soil. It can cause critical damage to civil engineering facilities. The unfavorited physical, mineralogical, and engineering characteristics are the main reasons for the difficult nature of expansive soil. Understanding specific parameters and properties of expansive soil are important to categorize and identify swell potential. Furthermore, reviewing the most useful methods for identifying and measuring the expansive soil characteristics may help the engineer …
Published in Journal of Geotechnical Engineering · Vol. 9, Issue 2, 2022 · pp. 39–37 Read article
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Effect of Different Dosages of Saline Water on the Index and Engineering Properties of Bentonite
Abstract: The paper presents the effect of different dosages of saline water on the index and engineering properties of bentonite. The various tests conducted were consistency limits, free swell index, compaction and unconfined compressive strength. The saline water solution was prepared by varying the salt content from 5 to 40 gms per litre of distilled water. The specimens were prepared at their maximum dry unit weight and optimum moisture content. The …
Published in Journal of Geotechnical Engineering · Vol. 5, Issue 2, 2018 · pp. 1–7 Read article
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Sumatriptan Succinate Mucoadhesive Buccal Tablets: Formulation Design, Optimization and Evaluation
Abstract: The main aim of present investigation was to develop and study mucoadhesive buccal tablets of sumatriptan succinate using different bioadhesive polymer. Nine formulations were prepared by using direct compression method with varying concentration of polymer as HPMC (Metolose SR 90SH-15000), xanthan gum (XTGM) and sodium carboxy methyl cellulose (sodium CMC). Fourier transform infrared spectroscopy was used to identify drug excipient interaction. Micromeritic properties of lubricated blend, physical properties and chemical …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 13, Issue 2, 2022 · pp. 1–20 Read article
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Comparative Study on Stabilization of Expansive Soil using Cement Kiln Dust and Ceramic Dust
Abstract: In India, expansive soils cover about 20% of total land area, these soils increase in volume (swell) during winter season and decrease in volume (shrink) during summer season. Due to this contradiction behaviour many civil engineering structures constructed on expansive soils get damaged severely, out of which pavement is the most because they are lightweight and extend over large areas. Stabilization of Expansive soil is of most importance, since to …
Published in Journal of Geotechnical Engineering · Vol. 1, Issue 3, 2014 · pp. 1–7 Read article
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Formulation Development of Antihypertensive Buccal Patches and Characterisation
Abstract: Buccal patches containing atenolol and nifedipine were fabricated from mucoadhesive polymers like chitosan and hydroxypropyl methylcellulose (HPMC) 15CPS for the purpose of prolonging drug release and improving their bioavailability. The fabricated films were smooth, uniform and the colour was brown with good flexibility. The weight and thickness of all the formulations were found to be uniform. The drug content was in the range of 95–98%, indicating drug uniformity. Swelling index …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 2, Issue 2, 2015 · pp. 15–27 Read article
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Investigation on Clay Soil Stabilization using Plastic Powder
Abstract: A huge amount of black cotton soil or clayey soil is available all around the world which leads to a waste of land for construction uses, since it has expansiveness, swelling and shrinkage properties etc. So we have tried to resolve this problem by stabilizing the black cotton soil by waste material marble powder. This study impact with the effect of PP (PP) on expansive soil by conducting the laboratory …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 18–21 Read article
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Formulation And Evaluation Of Captopril Sustained Release Tablet By Qbd Approach.
Abstract: The purpose of present study was to formulation and evaluation of Captopril sustained release tablet by QbD approach using size expanding polymer and cross linker. Captopril is a ACE inhibitor use in treatment of mild to moderate hypertension. Captopril having biological half-life of 2 hrs. The drugs gets degrade as its goes to higher pH, so we selected size expanding GRDDS. In formulation development study by using QbD, we found …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 10, Issue 1, 2023 · pp. 64–73 Read article
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Formulation and Evaluation of Gastro retentive Effervescent Floating Tablets of Famotidine: Effect of Formulation Variables and In Vitro In Vivo Evaluation
Abstract: Gastro retentive effervescent floating tablets of famotidine were developed in an attempt to sustain the drug release as well as to prolong the presence of dosage form in the stomach or upper small intestine until drug is completely released in desired period of time from the formulation with special emphasis to the effect and concentration of different polymers on drug release and floatation. Tablets were prepared by direct compression method …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 2, Issue 3, 2015 · pp. 13–29 Read article
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Formulation and Evaluation of Gastroretentive Bilayered Floating Tablets of Famotidine: Effect of Formulation Variables and in vitro in vivo Evaluation
Abstract: The present investigation concerns the development of bilayered floating tablets of famotidine for prolongation of gastric residence time. An attempt was made to prepare bilayered floating tablets of famotidine by direct compression method. Two layered formulations were designed with an immediate release layer (IR) comprising of the drug, the super disintegrant Croscarmellose sodium along with the other diluents like microcrystalline cellulose and dicalcium phosphate. Three batches of immediate release layer …
Published in Trends in Drug Delivery · Vol. 2, Issue 3, 2015 · pp. 1–17 Read article
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Chemical Composition and Antimicrobial Efficacy of Ferula persica Extracts: A Phytochemical and Bioactivity Assessment in Iraq
Abstract: The research presented in the tables focuses on analyzing the chemical content of extracts from the Ferula persica plant, a wild species in Iraq with significant medical and therapeutic importance dating back to ancient times. This study involved testing some chemical and physical properties of the alcoholic extract of the plant's aerial parts and evaluating its antimicrobial activity, specifically against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli). The …
Published in International Journal of Tropical Medicines · Vol. 2, Issue 1, 2025 · pp. 10–22 Read article
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Oral Thin Films of Ondanetron Hcl: Formulation and Performance Evaluation
Abstract: This study had the goal to formulate oral polymeric thin film that would dissolve and disintegrate instantly, while also having high mechanical features. These are the most advanced forms of solid dosage forms. Solvent casting was the technique employed to create oral thin films. These are additionally referred to as buccal films/strip, mouth dissolving films, oral thin films, as well as oral strips of paper. These films are suitable for …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 11, Issue 3, 2024 · pp. 1–6 Read article
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Formulation and Evaluation of Buccal Mucoadhesive Bilayered Tablets of Enalapril Maleate
Abstract: The buccal mucoadhesive bilayered tablets of Enalapril Maleate were fabricated with objective of avoiding first pass metabolism and prolonging the duration of action. The tablets were prepared by wet granulation wherein, one layer comprised of drug and bio adhesive polymer, whereas second layer consisted of drug free backing layer of ethyl cellulose. Bioadhesive polymers like Carbopol 934P and one either of three HPMC K4M/ HPMC K15M/ HPMC K100M were employed …
Published in Trends in Drug Delivery · Vol. 1, Issue 1, 2014 · pp. 1–15 Read article
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Assessment of Clayey Soils and Bentonite to Use as Compacted Clay Liner for the Disposal of Municipal Solid Wastes at Lucknow City, India
Abstract: Dumping of municipal solid wastes in a pit without liner causes groundwater contamination. Use of locally available clayey soils will be a cost-effective landfill technique. Mixing of locally available soils with bentonite reduces the permeability. To develop the liner for the disposal of municipal solid wastes generated from Lucknow city, India, the soil samples were collected from three different locations as nearby the Sagar Institute, Barabanki district; near railway crossing, …
Published in Journal of Geotechnical Engineering · Vol. 12, Issue 3, 2025 · pp. 62–71 Read article
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A Review on Stabilization of Black Cotton Soil by using Different Admixtures
Abstract: The black cotton soil issues led to structural and geotechnical engineering challenges all over the world. It shows the deviation in volume change behavior due to climatic conditions that causes distress in the structural devious of foundations and damage of building structures, road pavements because of its low strength and high expansion. Considerable research is taking place to find the effect of expansive soil. The following article shows the different …
Published in Journal of Geotechnical Engineering · Vol. 8, Issue 3, 2021 · pp. 32–43 Read article
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Evaluate The Engineering Properties of Low Load-Carrying Capacity of Expansive Soil by Using Magnesium Chloride and Dry Leaf Ash Powder
Abstract: The swell-shrink behavior of expansive soils poses numerous challenges with the substructure and distress in infrastructures such as buildings, pavements, breast walls, etc. The behavior of expanding soil has been carefully examined by geotechnical engineers, who have then put adequate management techniques into place. Present investigation intends to investigate potential benefits of dry leaf ash (DLA) powder and magnesium chloride (MgCl2) to enhance geological characteristics of soil, particularly addressing problems …
Published in Journal of Geotechnical Engineering · Vol. 12, Issue 1, 2025 · pp. 33–45 Read article
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Comparison of Index and Engineering properties of weak soils stabilized by Rubber Tyre Chips and Powder
Abstract: Engineered constructions on weak or soft ground soil carry inherent risks due to the instability of the foundation. Soft ground lacks the necessary strength to support structures adequately, making it prone to settlement, subsidence, or even collapse under the weight of buildings or infrastructure. Various methods of improvements are used to improve the soil's stability to support various loads.one of the solution is can use the waste products incorporated into …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 24–33 Read article
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Development of Inhibitive Water-based Drilling Fluid System for Shale Formation
Abstract: The drilling of troublesome shale formations leads to severe wellbore instability problems due to swelling and dispersion of the shale cuttings in the welllbore. Hence, the formulation of inhibitive water-based drilling fluid system with enhanced rheological properties and filtration characteristics is a critical issue for these complex shale formations. This research article consists of a favourable drilling fluid system developed using potassium chloride (KCL), partially hydrolyzed polyacrylamide (PHPA), ethylene glycol …
Published in Recent Trends in Fluid Mechanics · Vol. 1, Issue 3, 2014 · pp. 41–45 Read article
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Ground Improvement Techniques for Stabilization of Black Cotton Soil by Using Fly Ash
Abstract: In India 22% of the geographical area is covered by expansive ‘Black Cotton Soil’. These soils are characterized by their highly swelling and shrinkage properties. In dry conditions these soils have high strength which is almost completely lost when they come in contact with water. These soils are having high degree of expansion which creates a lot of problems during the execution of work and after completion of it. Hence, …
Published in Journal of Geotechnical Engineering · Vol. 5, Issue 1, 2018 · pp. 30–34 Read article
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Geotechnical Assessment and Stabilisation of Lateritic Soils in Tarkwa Using Rice Husk Ash for Road Construction Purpose
Abstract: The cost effectiveness of upgrading gravel roads to a sealed standard has challenged road authorities to make optimum use of naturally occurring materials such as laterites as sub-base and base materials. Untreated laterites have presented problems such as pavement swelling and depression in road construction. This research seeks to assess and stabilise the geotechnical properties of some lateritic soils in Tarkwa using Rice Husk Ash for road construction purposes. Lateritic …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 1, 2019 · pp. 6–16 Read article