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Partial Replacement of Sand with Quarry Dust in Concrete  [PDF]
Mr. Chandana Sukesh,,Mr. Katakam Bala Krishna,,Ms. P. Srilakshmi Sai Teja,,Mr. S. Kanakambara Rao
International Journal of Innovative Technology and Exploring Engineering , 2013,
Abstract: The reduction in the sources of natural sand and the requirement for reduction in the cost of concrete production has resulted in the increased need to identify substitute material to sand as fine aggregates in the production of concretes especially in Concrete. Quarry dust, a by-product from the crushing process during quarrying activities is one of such materials. Granite fines or rock dust is a by-product obtained during crushing of granite rocks and is also called quarry dust. In recent days there were also been many attempts to use Fly Ash, an industrial by product as partial replacement for cement to have higher workability, long term strength and to make the concrete more economically available. This present work is an attempt to use Quarry Dust as partial replacement for Sand in concrete. Attempts have been made to study the properties of concrete and to investigate some properties of Quarry Dust the suitability of those properties to enable them to be used as partial replacement materials for sand in concrete.
Quarry Mud as Partial Replacement for Fine Combination (Sand) in Concrete
Sp. Aswinpalaniappan, G. Panneerselvam
Open Access Library Journal (OALib Journal) , 2018, DOI: 10.4236/oalib.1104529
Concrete production has resulted inside the accumulated that has to be compelled to confirm substitute material to sand as inside the assembly of concretes. Quarry mud, a by-product from the crushing methodology throughout production activities is one in each of such materials. Granite fines or rock mud can be a by-product obtained throughout crushing of granite rocks to boot observed as quarry mud. In recent days, there have been additionally several trials to use ash, academic degree industrial by product as partial replacement for cement to possess higher workability, future strength and to make the concrete lots of economically accessible. This gift work could be a trial to use Quarry mud as partial replacement for sand in concrete. Trials are created to review the properties of concrete and to research some properties of Quarry mud, the standard of those properties to alter them to be used partial replacement materials for sand in concrete.
Performance of Palm Kernel Shells as a Partial replacement for Coarse Aggregate in Asphalt Concrete
Peter Ndoke NDOKE
Leonardo Electronic Journal of Practices and Technologies , 2006,
Abstract: This paper looks at the potentials of palm kernel shells as coarse aggregates in road binder courses with emphasis on strength of the asphalt concrete as given by the Marshal Stability and flow values. It was observed that palm kernel shells can be used to replace coarse aggregate up to 30% before drastic reductions become noticeable. It is therefore recommended that for heavily trafficked roads, palm kernel shells up to 10% can be used for the replacement while even 100% replacement is possible for lightly trafficked roads in the rural settings.
Use of furnace slag and welding slag as replacement for sand in concrete
Sreekrishnaperumal Thanga Ramesh, Rajan Gandhimathi, Puthiya Veetil Nidheesh, Shanmugam Rajakumar and Subramani Prateepkumar
International Journal of Energy and Environmental Engineering , 2013, DOI: 10.1186/2251-6832-4-3
Abstract: In this project, a study was made to obtain low cost building materials using industrial wastes (welding and furnace slags). The objective of the study is to use these wastes in low-cost construction with adequate compressive strength. Different fine aggregate replacements have been studied by substituting 5%, 10%, and 15% of slag. The waste material was substituted for replacement of fine aggregates and for the preparation of concrete blocks. In this project, we have followed Indian standard methods and arrived at the mix design for M25 grade concrete. Experimental studies were conducted only on plain cement concrete. The preliminary studies were conducted by mixing the slag with the cement concrete cubes of standard sizes. The building material specimens were analyzed for compressive strength as per IS code. For the test and other specifications, it can be concluded that the welding and furnace slags can increase the strength of the concrete. The optimum compressive strength of concretes after 28 days has been found to be 41 N/mm2 for 5% welding slag and 39.7 N/mm2 for 10% furnace slag replacements. The results show that 5% of welding and 10% furnace slags replacement with sand is very effective for practical purpose.
Use of Crushed Granite Fine as Replacement to River Sand in Concrete Production  [PDF]
Manasseh JOEL
Leonardo Electronic Journal of Practices and Technologies , 2010,
Abstract: The suitability of Crushed granite fine (CGF) to replace river sand in concrete production for use in rigid pavement was investigated. Slump, compressive and indirect tensile strength tests were performed on fresh and hardened concrete.28 days Peak compressive and indirect tensile strength values of 40.70N/mm2 and 2.30N/mm2 respectively was obtained, with the partial replacement of river sand with 20% CGF, as against values of 35.00N/mm2 and 1.75N/mm2, obtained with the use of river sand as fine aggregate. Based on economic analysis and results of tests, river sand replaced with 20% CGF is recommended for use in the production of concrete for use in rigid pavement. Conservation of river sand in addition to better ways of disposing wastes from the quarry sites are some of the merits of using CGF.
Exploratory Study of Oil Palm Shell as Partial Sand Replacement in Concrete  [cached]
K. Muthusamy,N.A. Zulkepli,F. Mat Yahaya
Research Journal of Applied Sciences, Engineering and Technology , 2013,
Abstract: Malaysia being one of the world largest palm oil producers has been disposing oil palm shell, which is a by-product from palm oil mill thus causing negative impact to the environment. At the same time, extensive mining of natural river sand in large amount to meet the increasing demand of concrete production for the use in rapidly developing construction industry has posed the risk of natural aggregate depletion and ecological imbalance in future. The effect of finely Crushed Oil Palm Shell (COPS) as partial sand replacement material in concrete mix towards density and compressive strength was investigated in this study. Total of five mixes consisting various content of crushed oil palm shell as partial sand replacement ranging from 0, 25, 50, 75 and 100% were prepared in form of cubes. All the specimens were water cured before tested at 7, 14 and 28 days. Compressive strength was conducted in accordance to BSEN 12390. Generally, the compressive strength and density decrease with the increase in the crushed oil palm shell replacement level. Between 50 to 75% replacement, the mix produced possess lower density enabling it to be categorized as lightweight concrete and has the potential to be used as non-load bearing structure. The application in structural concrete material is suited for mix consisting around 25% of crushed oil palm shell.
Steel Slag as an Aggregate Replacement in Malaysian Hot Mix Asphalt  [PDF]
Mohd Rosli Hainin,Nur Izzi Md. Yusoff,Mohd Fahmi Mohammad Sabri,Mohd Azizi Abdul Aziz,Mohd Anwar Sahul Hameed,Wasid Farooq Reshi
ISRN Civil Engineering , 2012, DOI: 10.5402/2012/459016
Abstract: As natural aggregate sources are becoming depleted due to high demand in road construction and the amount of disposed waste material keeps increasing, researchers are exploring the use of alternative materials which could preserve natural sources and save the environment. In this study, steel slag was used as an aggregate replacement in conventional dense graded asphalt mixes (ACW14 and ACB28). Steel slag was selected due to its characteristics, which are almost similar to conventional aggregates, and the fact that it is easily obtainable as a by-product of the steel industry. The same gradations of mixtures were produced using normal crushed aggregate as control samples. The Marshall mix design system was used for sample preparation in accordance with Malaysian specifications. Samples of asphaltic concrete were subjected to the resilient modulus test, creep test and rutting test. Samples made from steel slag show significantly better results than conventional aggregate. Therefore, utilization of steel slag will reduce land fill, save natural resources and improve the strength of pavement to sustain a higher volume of vehicles. This will shift the gear in sustainable pavement construction, which is most desirable in today’s energy deficient world. 1. Introduction The development of the highway construction industry is increasing rapidly. Consequently, the aggregate resources in Malaysia are becoming depleted, and the land is being sacrificed to obtain raw materials. Thus, it is necessary to find a recycled material that can replace aggregates in highway construction. Much research has been done to improve and upgrade the materials used for preparing hot-mix asphalt (HMA). The utilization of waste material as a replacement for aggregates in the production of HMA could have many benefits to mankind. Waste materials can be categorized broadly as follows: industrial waste (e.g., cellulose waste, wood lignins, slags, bottom ash, and fly ash), municipal or domestic waste (e.g., incinerator residue, scrap rubber, waste glass, and roofing shingles) and mining waste (e.g., coal mine refuse) [1]. Steel-slag is a byproduct of the steel industry, and is reported to exhibit great potential as a replacement for natural aggregates in road construction. Steel-slag is a waste material that can be recycled as a road construction material. Steel-slag aggregates have been reported to retain heat considerably longer than natural aggregates. The heat retention characteristics of steel-slag aggregates can be advantageous for HMA construction, as less gas (energy) is used
Composite timber-concrete road bridge structure  [PDF]
Stoji? Dragoslav,Kajganovi? Toma
Facta Universitatis Series : Architecture and Civil Engineering , 2007, DOI: 10.2298/fuace0702141s
Abstract: This work presents preliminary design of the road bridge made of laminated timber. The supporting system of the main bearing elements is made of the laminated timber in the system of arch with three joints; the bridge slab is designed as continuous slab, made of nine equal fields; each pair is made as composite timber-concrete beam, where the road slab is made of concrete and the needle pieces are made of timber. Fundament is based on HW piles. All the elements are designed to Eurocode.
Utilization of Cement Kiln Dust (CKD) with Silica Fume (SF) as a Partial Replacement of Cement in Concrete Production  [PDF]
Arafa Elsayed Elhelloty, Mohammed Taha Nooman, Rafik Khairy Abdelwahab, Ahmed Islam Abdullah
Journal of Minerals and Materials Characterization and Engineering (JMMCE) , 2019, DOI: 10.4236/jmmce.2019.74010
Abstract: This research aimed to clarify the role of by-product materials, such as CKD with SF as partial replacement by weight of cement in concrete manufacturing and inclusion on different characteristics of concrete. Concrete test specimens were mixed with 0%, 5%, 10%, 15%, 20% and 25% (CKD) with 15% (SF) as partial replacement by weight of Cement (CEM I-52.5N). Fresh concrete properties have been evaluated by workability measurement slump test. While hardened concrete properties have been evaluated by compressive, split tensile and flexural strengths tests at ages 7, 28 and 56 days, but evaluated for bond strength, modulus of elasticity and chemical composition measurement with X-Ray Fluorescence at age of 28 days. The test results have revealed that the increase of CKD amount with fixed amount of SF in concrete mixtures as partial replacement by weight of cement leads to gradual decrease of fresh concrete workability. In concrete mixtures, 20% CKD in the presence of 15% SF as partial replacement by the weight of cement are the optimum ratios which can be used without any negative effect on mechanical properties compressive, indirect tensile, flexural and bond strength at all the ages of concrete. Also modulus of elasticity and bond strength increased by 8.81% and 0.69% respectively at the age 28 days compared with control mixture.
Stone Waste :Effective Replacement Of Cement For Establishing Green Concrete  [PDF]
Ankit Nileshchandra Patel,,Jayeshkumar Pitroda
International Journal of Innovative Technology and Exploring Engineering , 2013,
Abstract: Stone waste is one of the most active research areas that encompass a number of disciplines including civil engineering and construction materials. In India, stone dust is settled by sedimentation and then dumped away which results in environmental pollution, in addition to forming dust in summer and threatening both agriculture and public health. Therefore, utilization of the stone dust in various industrial sectors especially the construction, agriculture, glass and paper industries would help to protect the environment. It is most essential to develop eco-friendly concrete from stone waste.In this research study the(PPC) cement has been replaced by stone waste accordingly in the range of 0%, 10%, 20%, 30% 40%, & 50% by weight for M-25 grade concrete. Concrete mixtures were produced, tested and compared in terms of workability and strength to the conventional concrete. These tests were carried out to evaluate the mechanical properties for 7, 14 and 28 days. As a result, the compressive strength increased up to 20% replacing of stone waste. This research work is concerned with the experimental investigation on strength of concrete and optimum percentage of the partial replacement by replacing (PPC) cement via 0%, 10%, 20%, 30%, 40% and 50% of stone waste. Keeping all this view, the aim of the investigation is the behavior of concrete while replacing of waste with different proportions of stone waste in concrete by using tests like compression strength.
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