The masonry unit used for the construction of masonry works in the western Gujarat region of Indi... more The masonry unit used for the construction of masonry works in the western Gujarat region of India, Kutch is a lean concrete blocks of size varying as per the purpose of masonry work i.e. for load bearing or partition work. These blocks are manufactured by blending the cement, fine aggregate and coarse aggregate at proportion of 1:6:4 with w/c of about 0.5, the resulting mix is than utilized to produce the blocks with help of vibro-pressure machineries. These consume the natural resources such as natural fine aggregate and natural coarse aggregate and hence diminishes the environment gradually. Generation of wastes from various industries also results in pollution of environment because of improper disposal of these wastes and lack of exploration for utilization of such wastes. This paper identifies a potential use of wastes from foundry industry and construction industry for utilization in construction industry and represents the experimental investigation on utilization of foundry waste as a partial replacement of natural sand by 10%, 20%, 30%, 40% and recycled aggregate as a partial replacement of natural coarse aggregate by 25%, 50%, 75% and 100%. This various trial mixes are compared in the terms of compression strength and water absorption with respect to the standard mix proportion. The result shows the increase in compressive strength and reduction in water absorption with increase in content of foundry sand whereas reduction in compressive strength and increase in water absorption with increase in content of recycled aggregate.
Green construction can be seen as an alternative option to maintain sustainability of environment... more Green construction can be seen as an alternative option to maintain sustainability of environment in construction. Project manager plays an important role of project success, and also confirmed "the industry's growing awareness of the relationship between achieving project success and construction project management competencies." Several studies have highlighted critical challenges of green construction are designed for optimum energy efficiency and are constructed with a preference for recycled materials somrthing like if using OPC than behalf of that use PPC cement, using low voc paint. This study will take consideration of data collected from Questionnaire Survey by responses of project manager within Ahmedabad, Vadodara, Surat & Rajkot and the collected data will be analyzed using SPSS tool for find out the mean of individual project management challenges.
Disputes have become an endemic feature of the Indian construction industry. If they are not reso... more Disputes have become an endemic feature of the Indian construction industry. If they are not resolved promptly they can escalate causing schedule delays, lead to claims that require litigation proceedings for resolution and destroy business relationships. The competitive nature and contractual complexity inherent within construction can aggravate the incidence of disputes. Research over the last two decades has revealed that factors such as scope changes, poor contract documentation, restricted access, unforeseen ground conditions, and contractual ambiguities are contributors of disputes. While this is widely known, disputes still prevail over such issues. One of the greatest challenges facing the construction industry during the last couple of decades has been how to resolve disputes arising in construction contracts' in a timely and efficient manner with minimal financial costs, without hindering the pre-planned end results on a construction project. INTRODUCTION Construction ...
Time and motion study is a work measurement technique for recording the times of performing a cer... more Time and motion study is a work measurement technique for recording the times of performing a certain specific job or its elements carried out under specified conditions. Time study is a direct and continuous observation of a task, using a timekeeping device (e.g., decimal minute stopwatch, computer-assisted electronic stopwatch, and videotape camera) to record the time taken to accomplish a task. Motion studies are performed to eliminate waste. Under this project a commercial building construction site has been selected for time and motion study considering six selected ongoing activities. Data were collected for all activities under time study on field using stop watch and average time were estimated and were further analyzed under motion study to determine the optimum time required for performing selected operations and identify the extra time consumed on site. The analysis result showed that almost all the activities consumed about 31.35 % time more than what is required for act...
Geographic Information Systems (GIS) have been used in many fields of Science; one of these field... more Geographic Information Systems (GIS) have been used in many fields of Science; one of these fields is civil engineering. Geographic Information System (GIS) is a Computer based tool used to solve engineering problems related to spatial data. GIS, its complete potential to construction industry has not been realized. GIS technologies have the potential to solve space related problems of construction involving, integration of information, urban planning, and project site selection, soil studies, Hydrology and environmental studies. Proper use for these tools necessitates training the GIS techniques. I. INTRODUCTION A geographic information system (GIS) is a computer-based tool for the input, storage, management, retrieval and output of information. The information in a GIS relates to the characteristics of geographic locations or areas. In other words, a GIS answers questions about where things are or about what is located at a given location. The term "GIS" has different me...
The planning and management of supply chains require properly specifying the Participating member... more The planning and management of supply chains require properly specifying the Participating members and the relationships among them. Construction supply chains usually consist of numerous participants and are complex in structure. The main objective of this study is to find critical factors affecting supply chain. A survey was carried out in south Gujarat region city, on architects, contractors, consultants, site engineers, retailers, distributors, developers. Total 38 factor identified from the literature review. Total 148 feedbacks were analyzed through the Relative Importance Index (RII) techniques. Five most crucial factors in descending order from RII Technique are late deliveries, Complexity management/ rationalization, Product changes batch ordering, inaccurate demand forecasting, Price fluctuations and discounts. Contractors shall act on these factors to improve material supply chain in construction projects. Keywords: Relative important index, supply chain, stake holders. I...
This exploration work is an effort to try to develop the awareness & importance of industrial was... more This exploration work is an effort to try to develop the awareness & importance of industrial waste management & its utilization in productive manner in construction industry. In today's more environmentally-Conscious world, a more responsible approach to the environment is to increase the use of by-products of one industry which is disposed of as waste as raw material for some other industry. Traditionally materials like clay, sand, stone, gravels, cement, brick, block, tiles, etc. are being used as major building materials in construction sector. All these materials have been produced from the existing natural resources and will have intrinsic distinctiveness for damaging the environment due to their continuous exploitation and increasing cost incrementally. Hence it is essential to find functional substitutes for conventional building materials in the construction industry. For above purpose the exploration study is carried out for determining the scope of utilization of rice...
In construction, automation and robotics technologies implementation can be fairly broad, includi... more In construction, automation and robotics technologies implementation can be fairly broad, including all stages of the construction life-cycle, from the initial design, through construction of the building on site and building maintenance or control after the building has been completed to the eventual dismantling or demolition of the building. The degree of automation and robotics systems implementation in construction varies significantly from one construction phase to another. Nowadays, unlike the use of automation systems or robots for on-site operations The most significant benefits of robotics and automation systems application in construction industry are enhancing productivity and work efficiency with reduced costs, solid quality with higher accuracy than that provided by skilled workers, occupational safety enhancement for workers and better safety for the public by deploying machines for dangerous works, work environment conditions improvement in that common manual work is ...
Indian construction industry is one of the largest industry of country which plays a major role t... more Indian construction industry is one of the largest industry of country which plays a major role to the economic growth of country. But, there are issues regarding to the productivity, projects that are behind schedule and over budget, waste issues as well as relationship among the project participants which obstruct the effectiveness of construction industry. So, there is a critical need to find out new technologies and project delivery concepts to overcome these issues. Traditional project delivery methods have its own limitations and barriers. Thus, Integrated project delivery emerged as a solution towards it. IPD is a collaborative process which harnesses expertise of the participants. IPD focuses on the end product rather than each participant focusing on their part of construction work. However, implementation of IPD is not without challenges. The objective of this paper is to find out the factors affecting implementation of integrated project delivery in bridge construction pr...
Recognition of Safety & Health Issues to Improve Safe Working Environment at Construction Projects
The construction industry is one of the most hazardous industries worldwide due to its unique nat... more The construction industry is one of the most hazardous industries worldwide due to its unique nature. Safety is the condition of being protected from or unlikely to cause danger, risk, or injury. Unsafe conditions exist on work sites and labourers are exposed to numerous hazards and extreme weather conditions. Large construction companies are following the safety regulations and implementing their safety management systems but their accidents rate is still increasing. The environment of the construction industry is risky which make it very essential to pay more attention to improve the construction safe climate and health at work place. The aim of the study is to assess the safety and health of workers at construction site. In this paper the investigation is made to identify the safe climate and health of workers at the Infrastructure projects in Surat city, total 270 questionnaire has been distributed to Contractor’s, Engineers and Project managers in Surat city, among which only 1...
International Journal for Scientific Research and Development, 2015
The rising cost, delay and the risk of legal action in construction disputes prompted the constru... more The rising cost, delay and the risk of legal action in construction disputes prompted the construction industry look for efficient ways to prevent and manage these construction disputes. This is because, as construction projects become increasingly complex due to the complex set of contract documents governing parties, cost increases, margins tightens and clients expect perfection in the contractor's performance. The likelihood of disputes arising therefore increases, with their resolution becoming very expensive in terms of time, personnel, finances, project delays and opportunity cost. Prevention of disputes therefore can eliminate unnecessary costs, delays; strained relationships among members of different parties involved and finally save time. This study therefore aimed at developing appropriate strategies for dispute prevention on construction projects.
Application of Value Engineering Concept in Construction Industry: A Case Study
Value Engineering is a methodology used to analyse the function of the goods and services and to ... more Value Engineering is a methodology used to analyse the function of the goods and services and to obtain the required functions of the goods and service of the user at the lowest total cost without reducing the necessary quality of performance. The program seeks to improve the management capability of people and to promote progressive change by identifying and removing unnecessary cost. Value Engineering is a proven management technique that can make valuable contributions to value enhancement and cost reduction in construction industry. A case study of educational building is discussed in which the material size of the project is changed according to the value engineering methodology. This paper introduces how to apply theories and methods of Value Engineering in the construction industry. Value engineering with its different phases can be implemented in any project to reduce the cost. The material is chosen such that the cost is reduced without affecting the value of the product an...
International Journal for Scientific Research and Development, 2013
This article presents a review on the different methodologies that are used for tunnels excavatio... more This article presents a review on the different methodologies that are used for tunnels excavations in hard rocks in present era. Growing needs for modern transportation and utility networks have increased the demand for a more extensive and elaborate use of underground space or through high mountains / hills. As a result, more projects have to be completed in various ground conditions and one of which is more challenging is to carry out excavation work in hard rocks. Significant technological advances have rendered these projects possible, but have also given rise to new challenges as many of these projects have to be completed in difficult conditions, with very strict environmental constraints, particularly in urban areas where the potential impact of tunneling on existing structures is a major concern. This paper addresses the main aspects of tunneling and underground works performed in hard rocks. A summary is presented of the more recent advances and widely adopted techniques i...
Journal of emerging technologies and innovative research, 2017
Quality of the work is of prime importance to any person who has undertaken the project so that t... more Quality of the work is of prime importance to any person who has undertaken the project so that the client could be satisfied with the deliverable. Six-Sigma tool is the one that deals with the quality. The Six-Sigma takes attention to the quality that customers are concerned with and also contribute to achieve efficiency and reduce costs. This study explores whether Six-Sigma principles that were originally and widely applied to the manufacturing industry can be applied to the construction industry or not. Here, this tool is applied to the commercial construction project namely Millennium Textile Market at Surat which costs about 10.25 cr. In this paper, details of application of DMADV methodology of Six-Sigma is shown for the case study and there was positive outcome. The result shows that the Six-Sigma tool is quiet helpful in achieving the quality not only in the manufacturing industry but also in the construction industry.
Comparison of the Use of Aluminium and Onventional Formwork Systems
Formwork systems are among the key factors determining the success of a construction project in t... more Formwork systems are among the key factors determining the success of a construction project in terms of speed, quality, cost and safety of works. Nowadays, most projects are required by the client to complete in the shortest time possible as a means to minimise costs. For high-rise buildings, the most effective way to speed up works is to achieve a very short floor cycle — to have the structure of a typical floor completed in the shortest time. This paper aims to compare the aluminum formwork system and conventional formwork system on the basis of cost and time parameter.
International Journal of Innovative Research in Science, Engineering and Technology, 2013
Important feats in the construction industry were the invention of concrete in ancient Rome, the ... more Important feats in the construction industry were the invention of concrete in ancient Rome, the massproduction of steel from the mid-19th century and the mass-production of glass panes that changed from luxury to strength, likely others have similarly small to large changes with time. The paper focuses on questions like: What is nanotechnology? What can nanotechnology mean for the construction industry? Are there presently any commercialized products in construction that make use of nanotechnology? Construction can be defined as a process of converting the basic civil engineering raw materials to the final civil engineering product. Hence if the performance of the basic civil engineering raw materials is enhanced anyhow, the productivity will get increased as to work with those modified materials and the performance of the final civil engineering product will also be improved. Thus, the information presented in this paper is categorized into following main or basic raw materials: C...
International Journal for Scientific Research and Development, 2013
Everyday thousands of building projects are realized all over the world. Each phase requires good... more Everyday thousands of building projects are realized all over the world. Each phase requires good decisions in order to take a step further towards the successful finish of the project. Negative consequences of made decisions or activities that can have different probabilities of occurrence and impact on other phases of the project are defined as risks. The purpose of risk management is to predict, reduce and avoid the risks and their consequences. Risks can also be transferred to other parts of the project in order to achieve the best final results in each area of the project. The goal of this paper is to show how important risk assessment and management in different phases of building projects One concept which is widely used within the field of RM is called the risk management process (RMP) and consists of four main steps: identification, assessment, taking action and monitoring the risks (Cooper et al., 2005). In each of these steps, there are a number of methods and techniques which facilitate handling the risks.
Drywall (also known as Plasterboard, Wallboard, Gypsum board, Or Gyprock) is a panel made of gyps... more Drywall (also known as Plasterboard, Wallboard, Gypsum board, Or Gyprock) is a panel made of gypsum plaster pressed between two thick sheets of paper. It is used to make interior walls and ceilings. The new drywall will contain the paraffin capsules for almost half the mix. The new drywall will be filled with tiny beads of paraffin that would absorb heat during the day, and release it at night. It could be the latest thing in green building technology.This type of construction is suitable and can be applied for all commercial and residential projects, such as: Model houses/ apartment, studio apartments, Residential homes, office building, factories, departmental stores, etc. These are light weight systems-8 to 10 times lighter than conventional systems like Brick / Block work, comparatively much faster construction, almostfive to eight times faster along withsmooth finish, aesthetically beautiful crack free surfaces.Besides the newly mined material, up to 20% of the gypsum used to manufacture drywall can be recycled from waste generated at the manufacturing plant or at construction sites.The content covered in this paper gives a highlight on the overall system of dry wall and the concept has been diverted in the viewpoint of sustainable development and managerial benefits at construction sites.
A Study on Recycled Aggregate as a Substitute to Natural Aggregate for Sustainable Development in India
The recycling of Construction and Demolition Wastes has long been accepted to have the possible t... more The recycling of Construction and Demolition Wastes has long been accepted to have the possible to conserve natural resources and to decrease energy used in its production. RCAs fit into present day motto of 'Reducing, Reusing, Recycling and Regenerating'. In some nations it is a standard substitute for both construction and maintenance, particularly where there is a scarcity of construction aggregate. The use of recycled aggregate weakens the quality of recycled aggregate concrete which limits its application. This paper deals with the review of the existing literature work for understanding thoroughly about RCAs and the use of recycled concrete as aggregates in concrete and proposes an approach for use of recycled concrete aggregate without compromising the strength in view for better economic growth to pave way for new construction as the old structures brought down. ABSTRACT
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