Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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magnification in case of river sand grain was 500x at a working distance of 24.22mm. but the magnification in case of sea sand was 750x at a working distance of 22mm. The scanning electron ...
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sea sand and it can produce a problem of the overflow of sea sand at beach and known as a waste material. The waste material is a mixture of sea sand contain of clay and sand …
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Prof. B. V. Venkatarama Reddy, Report on "Suitability of manufactured sand (M-Sand) as fine aggregate in mortars and concrete", (CSIC project: CP 6597/0505/11-330 dated 5 th July 2011). PARTIAL ...
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a r t i c l e i n f o Article history: Received 21 February 2020 Received in revised form 13 May 2020 Accepted 15 May 2020 Keywords: Sea-sand concrete Siliceous sea-sand Coral sand Mechanical properties Water transport Porosity Solid composition a b s t r a c t As potential building sand, siliceous sea-sand and coral sand had unique physical ...
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Our project deals with the use of sea sand both before and after mineral extraction and comparing their test results with river sand. ... It also includes thedetermination of the strength of concrete with sea sand, as fine aggregate as partial replacement. 2. Materials and methods The sea sand samples were collected from Kuthenkuly (8.2162° N ...
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The advancement of marine engineering has brought close attention to the durability of concrete structures. In order to investigate the time-varying performance of reinforced concrete beams in a marine environment and to better apply sea sand directly in marine engineering, this paper describes tests and analysis on the flexural …
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used for specific requirement namely footpaths, parking areas etc. Hence the project is helpful in reducing plastic waste in a useful way. The best ratio of sea sand and plastic which leads to higher strength to pavement block. The paver block were prepared and tested and results were compared with cement concrete paver block.
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MATERIALS TO RIVER SAND Concrete is the second largest consumable material after water, with nearly three tonnes used annually for each person on the earth. ... The sieve analysis report is shown in Table 1 . Anzar Hamid Mir Int. Journal of Engineering Research and Applications ISSN : 2248-9622, Vol. 5, Issue 3, ( Part -3) March ...
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Sea sand Concrete: 0.22–0.30: 3.0: Cement, 20–25% Slag, 0–8% Fly ash ... (IRC-CBM)" for the project grant INCB2304 titled, "Development of seawater sea sand fiber-reinforced cementitious composites". Recommended articles. ... View PDF View article View in Scopus Google Scholar [6]
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To regulate the use of sea-sand and minimize related construction quality problems, various countries have published standards and specifications, such as the Japanese Architectural Standard Specification for Reinforced Concrete Work (JASS 5) in Japan [19], the British standard "Aggregates for Concrete" used in the UK (BS EN …
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To study the influence of sea sand on the Compressive strength in development of concrete and compare the result with that of concrete produced using river sand. To …
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868 [99] S. Perkol-Finkel and I. Sella, "Ecologically active concrete for coastal and marine 869 infrastructure: Innovative matrices and designs," Coasts, Marine Structures and 870 Breakwaters 2013: From Sea to Shore – Meeting the Challenges of the Sea, vol. 2, pp. 871 1139–1149, 2014.
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Buddhi Raj Joshi - Construction sand, Quality and supply management in infrastructure project. Contact Us : info@arseam ; submit paper : editor@arseam download full paper : ...
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The ductility of FRP-reinforced concrete structures is reduced by the brittleness of FRP bars. To address this issue, this study employs the hybrid reinforcement of stainless steel (SS) and GFRP bars to enhance the ductility of concrete columns. A total of 21 axially compressed seawater and sea sand concrete (SWSSC) circular columns …
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Learn how concrete seawalls can withstand extreme weather, enhance biodiversity, and improve durability with recent innovations from this comprehensive review.
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So in the present study, an attempt has been made to assess the suitability of Sea sand in concrete making. Cubes and beams were cast and tested for compressive strength and flexural strength after 7 days and 28 days. …
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The utilization of sea sand as an alternative to fine aggregate in the manufacture of concrete is motivated by the availability of sea sand in nature in very large quantities. This study aims to determine the …
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Sea sand contains chloride ions beyond the acceptable limit causes sever durability issues. Therefore, much attention is required when offshore sand is used in construction. The chloride content in the concrete is limited to 0.4% by mass of cement generally. BS 5328 Part 1 1997 specify this limit and BS 882 1992 have bit higher values …
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The current specifications for RAC in structural engineering primarily focus on the application of RAC prepared with RCA, with limited attention given to the use of recycled fine aggregate [9].The utilization of recycled fine aggregate is restricted due to its lower quality compared to river sand, resulting in decreased workability and mechanical …
DetailsSand gradation are fine as well. 2.2. Preparation. It is widely accepted that the chloride content has a notable effect on the corrosion of ordinary steel in reinforced concrete [15].By using accelerated corrosion testing and changing the Cl − content in sea-sand, Dias et al. [16] showed that steel reinforcement corrosion became significant when …
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Due to the scarcity of freshwater and river sand resources, the use of seawater and sea sand as alternatives for concrete casting has garnered widespread …
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Elangovan Govindarajalu. 235 Accesses. Explore all metrics. Abstract. Sand is often utilized as a fine aggregate in concrete, contributing 22 to 62% of the total mass. …
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Workability and mechanical properties of the seawater sea–sand concrete (SWSSC) were similar to those of ordinary concrete made with freshwater and river sand, which had a wide application in structures. Since the polyoxymethylene (POM) fiber performed the outstanding alkali resistance and durability, POM fibers were added in …
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The increasing demand for river sand, driven by infrastructure development, poses environmental challenges. The study aims to address the depletion of river sand by integrating sea sand as a fine aggregate in the production of Self-Compacting Concrete (SCC) through a Systematic Literature Review. Furthermore, it includes an in-depth …
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Our project deals with the use of sea sand both before and after mineral extraction and comparing their test results with river sand. The ultimate objective of this research is to …
DetailsSo in the present study, an attempt has been made to assess the suitability of Sea sand in concrete making. Cubes and beams were cast and tested for compressive strength and flexural strength after 7 days and 28 days. …
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The present paper reviews the current status of utilization of sea sand as fine aggregate in concrete and its effect on strength and durability aspects. Majority of researchers reported on ...
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Abstract. The sulfate and chloride ions in sea sand will cause deterioration of concrete and corrosion of steel. Sea sands from four different places were used to make concrete which were then ...
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Request PDF | On Dec 1, 2020, T. Dhondy and others published Properties and Application of Sea Sand in Sea Sand–Seawater Concrete | Find, read and cite all the research you need on ResearchGate
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Three kinds of sea-sand concrete with the same mix proportion were designed (Table 2).The water cement ratio (W/C) of all specimens was 0.52. The cylindrical concrete specimens were casted with the size of 72 mm (diameter) × 300 mm (height), and demoulded after 24 h.
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The environmental concerns raised by the over-exploitation of fresh water and river sand have driven researchers to explore seawater sea sand concrete (SWSSC) as a substitute for conventional concrete in structural columns. With numerous investigations on this in the past, there is a need to systematically classify and …
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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