This article presents the development of a new type of ultra-high-performance concrete, namely, ultra-high-performance seawater sea-sand concrete. The development of ultra-high-performance seawater sea-sand concrete addresses the challenges associated with the shortage of freshwater, river-sand and coarse aggregate in …Web

with the river sand gives a better compressive and flexural strength [27]. Optimum silica sand replacement level for cement was found to be 6% by weight of cement [28]. Scarcity of river sand and causing legal issues for sand mining leads to explore the possibility of utilizing alternatives for river sand. In that way many researchers are ...Web

This experimental study explores in detail the crushed stone dust which is locally available industrial solid waste material in India as alternative material to natural sand that is being conventionally used as fine aggregate in cement concrete. The nominal mixes were prepared for grades M-20 and M-30 of cement concrete as per Indian Standards ...Web

Thus, this paper reports the average compressive strength of concrete made with river sand (fine aggregate) and the one produced with the dune sand (fine aggregate). A concrete of nominal mix 1:2:4 using w/c ratio of 0.62 were adopted to produce concrete cubes 150mm x 150mm x 150mm. 7, 14, 21, 28 days hydration period was adopted.Web

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Sea sand has somewhat similar mineralogy as river sand, but differs in surface texture, affecting the particle interlocking. ... Sea sand Concrete: 0.22–0.30: 3.0: Cement, 20–25% Slag, 0–8% Fly ash ... Preliminary study on the development of concrete with sea sandas fine aggregate. Indian J. Sci. Technol., 9 (2016), 10.17485/ijst/2016 ...Web

This paper presents a critical review of existing studies on the effects of using sea-sand and/or seawater as raw materials of concrete on the properties of the …Web

General guidelines for Mining gravel and sand from river in Malaysia. Following steps are taken as per guidelines: 1. Initially location of sand and gravel deposition or aggradation is identified. Mine operator is permitted to extract material where problem of aggradation is least.Web

This study is to experiment the suitability to use beach/sea sand as a substitute for river sand as fine aggregate for concrete. Keywords: Concrete, Sea sand and Fine aggregate. 1. INTRODUCTION . Sand is a unique raw material for the construction industry at present, but contractors say that they have toWeb

Also using of river sand and mining of river bed lead to hazardous environmental effects which has to be stopped. In this paper, an attempt has been made to use washed sea sand as partial replacement of fine aggregate. Jose et al. [8] studied concrete with sea sand, sea water along with M-sand and blast furnace cement. They …Web

Followings are the classification of Sand: Based on the grain size of the particle, sand is classified as Fine Sand (0.075 to 0.425mm), Medium Sand (0.425 to 2mm), and Coarse Sand (2.0 mm to 4.75mm) Based on origin, sand is classified as Pit sand, River sand, Sea sand, and manufactured sand.Web

Indiscriminate sand and gravel mining over the years has imposed permanent damages to the river ecosystems in the several parts of the India. Padmalal D. (2008–2014) is one of the leading researchers in India to successfully address the several consequences of instream and floodplain sand mining. S.Web

Sea-sand contains more salt than river sand, as well as seashell particles and other potentially harmful substances. The salt and seashell particles in sea-sand …Web

PDF | This report deals with the comparison of the materialistic differences between sea and river sand. | Find, read and cite all the research you need on ResearchGate Research PDF AvailableWeb

For reduce the consumption and extraction of natural aggregate (river sand), this paper presents washed marine sand (MS) as an alternative fine aggregate that can replace M-Sand. The purpose of this research is to examine the mechanical, micro-structural and durability properties of concrete and cement mortar made with MS as a …Web

The concrete mix M4 (50% USS + 50%QD) is the optimum mix for complete replacement of river sand with both sea sand and quarry dust as fine aggregate. b) The 28-day compressive strength is maximum for the M6 mix ( QD) is 40.8 ± 1.15 MPa and lowest is for M2 mix ( USS) is 29.7 ± 0.90 MPa among all excluding control mix.Web

Express 10.1088/2053-1591/ac5f88 ), which was collected from Tiruchendur beach in Tamil Nadu, is used as a fine aggregate. To assess the chloride content, the …Web

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 provide information on sea sand, cement, aggregates and mix design processes. To examine the suitability of sea sand as fine aggregate in concrete. 4.Web

resistance to weathering can cause surface defects such as cracks and breaks. Fine aggregate content is usually 35–45 % by mass or volume of the total aggregate content. 10.5 Fine Aggregate for Making Concrete Grading refers to the distribution of particle sizes present in an aggregate. Coarse and fine aggregates are generally sieved separately.Web

The size of fine aggregate is defined as equal to or less than 4.75 mm. This means that the aggregates that can pass through a number 4 sieve with a mesh size of 4.75 mm are referred to as fine aggregates. …Web

continents. Fine aggregate, a principal component and binding material in concrete, is of great demand in the current scenario. The river sand, obtained from the riverbeds, is the foremost source for the fine aggregate for decades. Over-utilization of the river sand has caused depletion of availability and increased the price [1].Web

Eco-friendly mix for Roller-Compacted Concrete: effects of Persian-gulf-dredged marine sand on durability and resistance parameters of. concrete. Construction and Building Materials, v. 281. 2021 ...Web

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...Web

This study is experiment the suitability to use beach/sea sand as a substitute for river sand as fine aggregate for concrete. Experimental results show that the washed sea sand is ideal for concrete and plastering activities. REFERENCE. National sand study for Sri Lanka, vols. 1 and 2.Web

Aggregate is classified into two general sizes: coarse grained and fine grained. Coarse aggregate is rock retained on a 3/8-inch (#4 U.S. sieve). Fine aggregates pass the 3/8-inch sieve and are retained on a #200 U.S. sieve. 6. Fine Aggregate. Fine aggregate consists of natural sand, manufactured sand, or a combination.Web

Concrete is a major construction material used in the construction now a days. It is a composite material containing cement, fine aggregate, coarse aggregate and water. Fine aggregate is required in large quantities for manufacturing of concrete. Generally river sand is used as a fine aggregate. Due to increase in the utilization of …Web

River sand has been the most popular choice for the fine aggregate component of concrete in the past, but overuse of the material has led to environmental concerns, the …Web

Ferronickel slag (FNS) is an industrial by-product of ferronickel alloy production at a high temperature which can be a promising potential to be used as fine aggregate to produce more sustainable concrete. In this study, the performance of concrete containing ferronickel slag sand and fly ash relating to alkali-silica reaction (ASR) and chloride …Web

Experimental study sea sand as an alternative to river sand for on concrete using sea sand as fine concrete production in Sri Lanka. Journal aggregate, 7(5), 4. ... Some of the countries like India and Malaysia have developed river sand mining guidelines to ensure equilibrium of river, avoid aggradation of hydraulic structures, protection of ...Web

It can also be concluded that the M-sand can be utilized as an efficient fine aggregate in concrete in order to meet the global scarcity of river sand in the future. The use of M-sand eliminates the global scarcity of river sand, and it prevents associated environmental problems such as indiscriminate sand mining and soil erosion, thereby ...Web

Similar to the river mineral mining we document, sand and aggregate mining often involves the substantial removal of sediment from rivers but can also lead to further sediment mobilization in ...Web