Sea Sand Concrete Additives

07 November 2024

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Interface and anti-corrosion properties of sea-sand concrete …

Sea-sand concrete technology [1], ... The mix proportions of sample made by the method of BM11 that concrete prepared without any additives were listed in Table 1. On the basis of BM11, 1% fumed silica and 1% polypropylene fiber were added in samples made by the method of BM21 and BM31.

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07 November 2024

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SEACON Sustainable concrete using seawater, salt

considered (traditional concrete, concrete mixed with seawater and concrete produced with recycled asphalt pavement) in combination with different types of reinforcement (black-steel, GFRP, and stainless steel rebar's). The second demonstration is the vehicular five-span bridge currently under construction in

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07 November 2024

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Development and mechanical behaviour of ultra-high …

An experimental study is presented in this article to demonstrate the concept and feasibility of ultra-high-performance seawater sea-sand concrete: ultra-high-performance …

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07 November 2024

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Influence of seawater sea sand concrete environment on …

To reveal the durability of fiber-reinforced polymer (FRP) profiles, which differ from FRP bars due to the clear variations in the internal structure of the fibers. This study experimentally investigated the tensile properties of FRP profiles in the seawater sea sand concrete (SSC) environment at 25, 45, and 60°C.

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07 November 2024

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Mechanical characteristics of sea-sand concrete in …

In the marine environment, concrete in both submerged zone and non-submerged zone could be attacked by seawater. To study the deterioration of sea-sand concrete partially submerged in seawater, an ...

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07 November 2024

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Seawater-mixed concretes containing natural and sea sand …

Table 1 summarizes the effects of seawater-mixing and sea sand addition on concrete properties, as well as the influence of the partial substitution of SCMs and fibres in SW-SS concretes. ... More research on the optimum levels of mineral admixture additions and …

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07 November 2024

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Fresh, hardened, durability and microstructure properties of …

The study analyses the influence of additives and admixtures on SWC's performance by considering constituents such as cement, aggregates and seawater. It also …

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07 November 2024

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Mechanical and durability properties of concrete made …

While concrete production accounts for significant CO 2 emissions and natural resources (e.g., river sand and freshwater) depletion, the incorporation of sea sand, seawater, and industrial by ...

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07 November 2024

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Influence of seawater and sea sand on early-age …

The results indicate that the utilization of seawater and sea-sand in preparation of concrete is very promising with accelerated cement hydration, improved pore structure and durability only if ...

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07 November 2024

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Performance evaluation and microstructure

Additionally, the existence of seawater and coral sand or sea sand accelerated the formation of the C-S-H gel phase. Thus, this approach, using seawater and coral or sea sand as alternatives to freshwater and river sand, provides a promising method for the application of alkali-activated materials in seawater coral concrete structures.

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07 November 2024

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Sea Sand Concrete- A Review on Current Status

The present paper provides comprehensive evaluation of utilization of sea sand in concrete and emphasises the need for further research on sea sand as fine aggregate in concrete. Key words: Sea ...

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07 November 2024

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Benefits of using sea sand and seawater in …

The use of sea sand and seawater in concrete can provide sustainability to natural resources, while improving the mechanical properties of concrete. The corrosion of steel-reinforcement is inevitable with the use of …

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07 November 2024

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Feasibility assessment and application of sea sand in …

In sea sand concrete, Guo et al. used three different chloride ion concentrations, demonstrating that higher chloride ion concentration weakens the concrete [114]. ... When …

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07 November 2024

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(PDF) Development of admixtures on seawater sea sand concrete…

Development of admixtures on seawater sea sand concrete: A critical review on Concrete hardening, chloride ion penetration and steel corrosion January 2024 Construction and Building Materials 411 ...

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07 November 2024

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Sulphate Corrosion Mechanism of Ultra-High-Performance Concrete …

The lack of river sand is becoming increasingly serious. In this study, we consider how to use sea sand to prepare innovative construction and building materials with excellent mechanical and durability properties. Sulphate corrosion causes expansion, cracking and spalling of concrete, resulting in the reduction or even loss of concrete strength and cementation …

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07 November 2024

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"Benefits of using sea sand and seawater in concrete: a comprehensive …

The population worldwide is growing and so is the demand for more infrastructure. The rate of consumption of concrete has grown significantly over the years, becoming one of the most fundamental construction materials. This growth has depleted natural river sand and freshwater sources. The use of sea sand and seawater in concrete can provide sustainability to natural …

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07 November 2024

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Investigation of the compressive strength of pit sand, and sea sand …

In order to prepare pit sand-cement mortar prisms with rice husk additives (Fig. 4), 50 g, 100 g, 150 g, and 200 g of the rice husk ash were respectively added to four different mortars, each prepared from 450 g of cement, 1350 g of sand, and ðp4 þ 3Þ% water by the combined mass of the cement, pit sand, and RHA as listed in Table 3.

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07 November 2024

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(PDF) Synthesis of eco-sustainable seawater sea-sand

This study aimed to explore the feasibility of utilizing geopolymer as alternatives to Ordinary Portland Cement (OPC) in marine engineering. Eco-friendly seawater sea-sand slag-based geopolymer ...

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07 November 2024

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Sulfate resistance of eco-friendly and sulfate-resistant concrete …

An experimental study is presented in this article to demonstrate the concept and feasibility of ultra-high-performance seawater sea-sand concrete: ultra-high-performance seawater sea-sand ...

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07 November 2024

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Types of Admixtures & Additives for Concrete | DIY Doctor

Types of Admixtures and Additives for Concrete. ... sometimes these are dictated by the types of materials used e.g. the colour and shade of sand, aggregate etc but it can also be coloured using special dyes. Available in a whole range of different tones and colours including black, brown, yellow and many more, the required quantity of dye is ...

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07 November 2024

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Effects of Seawater and Sea-Sand on Concrete Properties: A …

Xiao J, Qiang C, Nanni A, Zhang K (2017) Use of sea-sand and seawater in concrete construction: Current status and future opportunities. Constr Build Mater 155:1101–1111. Article Google Scholar Yamazaki K (1974) Viewpoints on using sea sand in concrete as fine aggregates in Japan. Concr J 12(10):72–76

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07 November 2024

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Impact assessment of graphene oxide, sea sand and water on cement …

The use of concrete has grown significantly in recent years, leading to an increased demand for raw materials such as cement, fresh water, and river sand [].This has caused environmental concerns due to the overexploitation of essential resources like river sand and water [].The production of cement requires a large amount of energy and produces a …

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07 November 2024

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Design and Evaluation of an Ultrahigh-Strength Coral Aggregate Concrete

The main ingredients used in the preparation of such concrete are conventional concrete gel materials, coral rock, coral sand, and seawater. The concrete mix proportions are defined by using the optimal mixture design method based on packing density theories [ 30 ] and the means of homogeneously arranged particles [ 31, 32 ].

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07 November 2024

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Influence of seawater and sea sand on the performance of …

P.O. 42.5 R early-strength cement, sea sand, river sand, UWB-II AWA, freshwater, and seawater were used in this experiment. The gradation of river sand and sea sand is plotted in Fig. 1 (a), and the XRD (X-ray diffraction) patterns are shown in Fig. 1 (b).Sea sand had a smaller particle size compared to river sand, but there were no significant differences in …

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07 November 2024

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Experimental investigation of Strength and …

Microstructure properties of Sea water sea sand concrete Mrs. Ashwini R Pati1, Dr.Arun Kumar Dwivedi2 1(Research Scholar, Department of Civil, ... is the most widely used supplementary …

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07 November 2024

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The durability of seawater sea-sand concrete beams …

In this article, the flexural durability of three types of seawater sea-sand concrete beams that were fully reinforced with steel bars, 304 stainless steel bars, or fiber-reinforced polymer bars were comparatively tested. Beam specimens were conditioned in a 40°C seawater wet–dry cycling environment and a 50°C seawater immersion environment ...

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07 November 2024

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Effects of Seawater and Sea-Sand on Concrete …

Xiao J, Qiang C, Nanni A, Zhang K (2017) Use of sea-sand and seawater in concrete construction: Current status and future opportunities. Constr Build Mater 155:1101–1111 42. Yamazaki K (1974) Viewpoints on using sea sand …

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07 November 2024

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(PDF) Seawater-mixed concretes containing …

additives are often used in the production of seawater-mixed concrete. Pozzolanic materials, such as y ash, slag, and metakaolin can enhance the strength and durability properties of concrete ...

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07 November 2024

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Bond durability between anchored GFRP bar and seawater concrete …

Kaushik S, Islam S (1995) Suitability of sea water for mixing structural concrete exposed to a marine environment. Cement Concr Compos 17(3):177–185. Article Google Scholar Li Y, Zhao X, Singh RR, Al-Saadi S (2016) Experimental study on seawater and sea sand concrete filled GFRP and stainless steel tubular stub columns.

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07 November 2024

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Use of supplementary cementitious materials in seawater–sea sand …

The utilization of abundant local resources, such as seawater and sea sand, to produce seawater–sea sand concrete (SSSC) has emerged as a viable alternative for creating sustainable building materials, particularly in coastal regions [10], [11], [12].In SSSC, the fine aggregate and mixing water in ordinary concrete are typically replaced with sea sand and …

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