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670 articles for “Indices”
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Monitoring Fungi Transport Influenced by Heterogeneous Porous Sand Gravel Formation in Coastal Area of Port Harcourt
Abstract: This paper monitors the transport of fungi concentration in sand gravel formation, the formation were observed to develop heterogeneity in porous deposited strata, the migration process of fungi were observed from the simulation values through graphical representation, fluctuation of fungi concentration were experienced on the process of migration in exponential phase, the deposition of micronutrients were found to be under fluctuation in the soil thus affect the growth rate of …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 1, 2018 · pp. 49–57 Read article
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Simulation Models for Flexural and Compressive Strength of Concrete Using Waste Glass as Partial Replacement.
Abstract: The research present the usefulness of waste glass in the production of grade 20 concrete using partial replacement levels of 0%, 20%, 40% and 60%, respectively, for coarse glass and fine glass to coarse aggregate and fine sand aggregate. The results obtained indicate that, for the purpose of construction works, 20% replacement should be adopted either for coarse glass or fine glass replacement. Simulation models were established to predict flexural …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 2, 2018 · pp. 1–7 Read article
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EFFECT OF SUPERVISION ON PRODUCTIVITY OF CONSTRUCTION INDUSTRY IN NIGERIA
Abstract: Poor supervision in the workplace has been identified to be among the primary obstacles to achieving potential successes by an organization. Insufficient direction is thought not only to be the major causes of revise but also resulted in low productivity, poor safety, lesser working conditions, and little quality of construction industry end product. Also lack of effective supervision is seen as an inevitable feature of the construction process which has …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 2, 2018 · pp. 22–29 Read article
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Identification of KPIs in Construction Industry: A Review
Abstract: The success of any construction project depends on project performance. Construction industry contains large number of parties, i.e. clients, stakeholders, shareholders, consultants, contractors, regulators and others. The factors that affect the performance of construction projects result in disputes, claims, failures and delays in construction. Through performance measurement, organizations can improve their productivity and also compare it with their competitors, as well as identifying their weakness. The main aim of this …
Published in International Journal of Construction Engineering and Planning · Vol. 5, Issue 1, 2019 · pp. 28–38 Read article
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Analysis of Political Risks Affecting International Construction projects in Malaysia
Abstract: With the stable development of economy and a series of policies encouraging foreign investment and infrastructure construction, Malaysia becomes more attractive for international construction contractors. However, there is a lack of analysis of relevant political risks in Malaysia in previous literature. This paper aims to analyze the political risks affecting international construction projects in Malaysia. An assessment system with 11 political risk factors were established to calculate the scores of …
Published in International Journal of Construction Engineering and Planning · Vol. 5, Issue 2, 2019 · pp. 10–27 Read article
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Study of Durability Properties of Bagasse Ash Concrete and Its Behaviour when Exposed to Elevated Temperatures
Abstract: The major driver for the economic growth and social progress of any country is its construction sector. In India, it is estimated that construction contributes 8% to 9% to GDP and this share is likely to increase in coming years. High-performance concrete made from ordinary Portland cement (OPC) and various supplementary cementitious materials (SCM) are alarmingly finding their use in construction worldwide. Bagasse ash (BA), one such SCM, the agro-industrial …
Published in International Journal of Construction Engineering and Planning · Vol. 8, Issue 2, 2022 · pp. 51–62 Read article
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Innovative Concrete Composites: Assessing Mechanical Strength with Fly Ash, Glass, and Granite Waste Incorporation
Abstract: Waste management poses a significant challenge for countries in both current and future contexts. The generation of solid waste from various industries, such as stone, glass, coal, and tires, constitutes a major issue in India, leading to significant environmental and health concerns for the surrounding population. This study addresses these challenges by exploring the utilization of waste granite and glass powder as materials to replace sand and cement, respectively, with …
Published in International Journal of Construction Engineering and Planning · Vol. 9, Issue 2, 2023 · pp. 37–45 Read article
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Prediction of Compressive Strength of Concrete with Decision Trees
Abstract: In the past few researchers predicted the compressive strength of concrete from its ingredients employing data driven technique like artificial neural network (ANN) and Decision Tree (DT). For Indian concrete records, only one study was available which had employed ANN for prediction. Evaluation of different performance metrics indicated that there was scope of improvement in the prediction performance. In this paper experimental data from the literature was utilized for development …
Published in International Journal of Concrete Technology · Vol. 2, Issue 1, 2016 · pp. 19–29 Read article
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Experimental Study of Mechanical Properties Geopolymer Concrete.
Abstract: This experimental study aimed to define the parameters for optimum mix design of geopolymer concrete made by partial replacement of cement. The geopolymer concrete is nothing but the formation of fly ash and alkali activators. Fly ash is the waste product from the thermal power station and may use as the pozzolanic material. But, only fly ash is may not the only replacement for the cement, for the more binding …
Published in International Journal of Concrete Technology · Vol. 5, Issue 2, 2019 · pp. 16–22 Read article
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Research on Partial Replacement of Fly Ash and Superplasticizer on Self Compacting Concrete
Abstract: In this project I have proposed a mix design procedure for self compacting concrete achieve the target mean strength in which mixes are designed on the basis of Indian Standards and suitable adjustments are done. The amount of fine aggregates, coarse aggregates, cement and mixing water as well as the dosage of superplasticizers to be used as a major factor influencing the properties of SCC in the plastic stage as …
Published in International Journal of Concrete Technology · Vol. 6, Issue 2, 2020 · pp. 39–45 Read article
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Effect of House Hold Waste Glass on mechanical properties of concrete
Abstract: Waste management is of great problem in current scenario. A huge amount of waste is generating from various industries in large amount. A few amounts can be recycled otherwise lots of them as a waste to dump into the dump yard. This waste is creating problem in surrounding area which also impact on environment. Other side the problem related to river sand is increasing due to large exploration of river …
Published in International Journal of Concrete Technology · Vol. 8, Issue 1, 2022 · pp. 1–8 Read article
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Potential Use of Waste Marble Fine in Concrete
Abstract: In India waste is producing in large amount from cutting and dressing industries of stone. This waste creates the problem for surrounding area as well as human being. Keeping such as issues in mind an experimental work was conducted on concrete by using marble waste (MW). Marble waste (MW) 5%, 10%, 15%, 20% and 25% was added as filler. To examine the fresh properties of concrete slump test of workability …
Published in International Journal of Concrete Technology · Vol. 8, Issue 2, 2022 · pp. 31–38 Read article
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DETAILED STUDY ON THE PROPERTIES OF PLASTIC CONCRETE CUTOFF WALL MATERIALS MIXED WITH WATERPROOFING ADMIXTURES
Abstract: This study presents the results of a comprehensive experimental work performed to characterize the mechanical and hydraulic properties of plastic concrete materials added with water-resisting and crystalline admixture as Permeability Reducing Admixture for Hydrostatic conditions (PRAH). The mechanical properties, deformation, permeability nature, triaxial stress-strain curve, hydration products, phase composition, and pore structure of plastic concrete with various proportions of PRAH were investigated. In addition to that, retarding admixture was used …
Published in International Journal of Concrete Technology · Vol. 9, Issue 1, 2023 · pp. 1–15 Read article
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Application of Suitable Admixtures (Lime and RHA) for Improvement of Pavement Subgrade
Abstract: Abstract The quality of a pavement depends on the strength of its sub-grade. The present investigation has been carried out with easily available materials like lime and rice husk ash mixed individually and in combinations with different proportions. The different percentages of lime with respect to weight of dry soil were 2%, 4%, 6%, 8% 10% and for rice husk ash (RHA) were 3%, 6%, 9% and 12%. In each …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 1, Issue 2, 2015 · pp. 14–31 Read article
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Spatial and Temporal Variation of Bioaerosols with Meteorology at Different Land Sites
Abstract: Air particulates associated with biological origins are termed as bioaerosols. These bioaerosols consist of different species of bacteria, fungi, pollen and spores, etc. and can be allergenic and infectious in nature. The study is an attempt to understand the seasonal variation in bioaerosols concentration at three different land use sites: site I (commercial site), site II (dumping site), Site III (vegetated site). Statistical correlation was applied to infer the relation …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 1, 2016 · pp. 12–20 Read article
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A New Model for Prediction of Wellbore Stability Using the Three Dimensional Hoek–Brown Failure Criterion
Abstract: Wellbore stability is one of the crucial issues in oil and gas industries. The issues related to instability of wells, impose significant unwanted costs on drilling operation.The objective of this paper is to present the 3D-wellbore stability prediction models for vertical wellbores. The three dimensional Hoek–Brown strength criterion developed by Zhang and Zhu conjunction with linear poroelastic constitutive model is utilized to develop the models. This models leads to easily …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 10–15 Read article
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A Review of Geophysical, Geochemical and Geotechnical Study of the Marine Soil of Mahakalapada With Special Allusion to Its Stratigraphic Set-up
Abstract: The present study deals with the marine soil properties collected from Mahakalapada of Kendrapara district in Odisha. Five numbers of saturated soil samples were collected from 2ʹ to 3ʹ below the earth surface and were mixed thoroughly to get the best result. The soil was initially air dried in open atmosphere prior to the testing. The various properties of each sample was calculated either in-situ or in the laboratory. The …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 16–23 Read article
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THE STRENGHT PARAMETERS OF SAW-DUST ASH ON THE GEOTECHNICAL PROPERTIES OF LATERITIC SOIL FOR ROAD CONSTRUCTION PURPOSES IN GHANA
Abstract: The strength parameters of saw dust ash on the geotechnical properties of lateritic soil for road construction purposes in Ghana have been investigated. The lateritic soil sample collected was subjected to the following test; Atterberg limits, compaction and California Bearing Ratio Test. The tests were conducted in accordance with BS: 1377 and AASHTO M145 standards. A varying percentage of the saw dust ash in order of 2%, 4%, 6%, 8% …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 6, Issue 1, 2020 · pp. 1–9 Read article
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Soil Reinforcement Using Waste Plastic Materials
Abstract: Soil reinforcement is a ground improvement techniques used in different civil engineering structures like earth retaining structures, embankment, foundations, road construction, etc.In this study, an attempt was made to collect the soil samples in such a way that it has different plasticity index. Accordingly, samples from surrounding areas of the Kanpur were collected and analyzed for their plasticity index. It was observed that three locations such as PSIT Campus, Naramau …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 6, Issue 1, 2020 · pp. 10–20 Read article
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Some Geomechanical and Petrophysical Linkages Within Paleo-Sedimentary Beds of Ghana
Abstract: Instability issues have been a major challenge in the Sekondian Series of South-Western Ghana. This is particularly affecting civil works and environmental mitigation efforts across the formation as extensive weathered profile impedes structural integrity. Uniaxial Compressive Strength (UCS) of lithological units which is a critical stability measure in most engineering projects requires quality sample of appropriate dimension for its determination. Samples for this important design parameter cannot be easily obtained …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 6, Issue 1, 2020 · pp. 31–42 Read article