المنتجات

(PDF) Experimental Investigation on the Strength and Durability

In the present investigation workability, strength and durability of concrete with manufactured sand as replacement to natural sand in proportions of 0%, 20%, 40%, 60% and is studied.

Effect of Manufactured Sand on Durability Properties of …

Results of the experimental studies show that resistance to penetration of water as proved by rapid chloride penetration test and water permeability test, is increased with …

Durability Phenomenon in Manufactured Sand Concrete: …

The results show that mixture made with 50% manufactured sand 10 %Alccofine and 0.5% Zinc oxide replacement, demonstrated better durability. Despite several studies focusing on producing sustainable concrete with nonconventional …

Comparative Study on the Strength and Durability Properties of Concrete …

The present research work enable us to study the basic properties of concrete in which Manufactured Sand (M-Sand) is used as a partial and full replacement for natural sand. To retain the natural resource such as natural sand an attempt is made in this research by partially replacing the natural sand with M-Sand. To study the basic …

Studies on Strength and Durability of Concrete Made with Manufactured Sand

The results indicated that a marginal increase in strength and durability properties of high performance concrete by addition of manufactured sand as a complete replacement of natural sand ...

Manufactured Sand (M-Sand) for Concrete

Advantages of Manufactured Sand (M-Sand) It is well graded in the required proportion. It does not contain organic and soluble compound that affects the setting time and properties of cement, thus the required …

Mechanical Properties and Durability of Sustainable UHPC Using …

DOI: 10.1520/jte20230450 Corpus ID: 267186784; Mechanical Properties and Durability of Sustainable UHPC Using Industrial Waste Residues and Sea/Manufactured Sand @article{Ge2024MechanicalPA, title={Mechanical Properties and Durability of Sustainable UHPC Using Industrial Waste Residues and …

Experimental Investigation on Strength and Durability …

The promotional use of manufactured sand, High Volume Flyash and Ground Granulated Blast furnace slag will conserve the natural resources for the sustainable development of the concrete in

(PDF) Effect of Physical Properties of Manufactured Sand …

Use of manufactured sand as a fine aggregate in concrete and mortar draws serious attention of researchers and investigators. ... "Use of rock dust for enhancing durability of concrete" University ...

(PDF) STRENGTH AND DURABILITY PROPERTIES OF HIGH PERFORMANCE CONCRETE

It could be observed that a concrete mixture made with manufactured sand (20 - ) shows higher compressive strength than control concrete at all ages. Compressive strength of control mix was 43 ...

Prediction of Compressive Strength of Concrete with Manufactured Sand …

This paper proposes a prediction of the compressive strength of concrete with manufactured sand (MS-concrete) based on an ensemble classification and regression tree (En_CART) method. A data set containing 1,350 original measured strengths of 328 concrete mixtures from actual engineering projects were used for …

Effects of fiber properties on flexural and fracture …

2.3. Specimen preparation. The mixing and preparation of FRMSC was carried out in accordance with the standards GB/T14902-2012 [42] and JG/T472-2015 [43].To ensure a homogeneous structure and alleviate fiber agglomeration, all concrete mixtures were blended using a mixer according to following procedures: (1) Dry components including …

Evaluation of Durability Parameters of Concrete with Manufacture Sand

Most of the states in our country have banned sand quarrying from the river beds, causing a scarcity of natural river sand for the construction sector. Manufacture sand (M-sand) is one of the alternate solutions to replace the river sand (R-sand) in concrete. The main aim of the present study is to evaluate the durability parameters of concrete …

Effect of Manufactured Sand on Durability Properties …

Keywords: - Durability, Natural Sand, Manufactured sand, Water Permeability test, Rapid Chloride Penetration test. I. INTRODUCTION Durability of concrete is defined as its ability to withstand weathering action, chemical attack or any other process of deterioration. A durable concrete requires little or no maintenance and retains its original form,

Strength And Durability Studies On High Performance Concrete …

However, producers of manufactured sand around the world generally try to synthesise natural sands, rather than taking advantage of the many properties that a good manufactured sand can offer, to ...

Effect of manufactured sand on the durability characteristics of concrete

Effect of manufactured sand on the durability characteristics of concr ete . ... M 40 Grade concrete using complete manufactured sand yielded an excesses strength of 7.65%, 7.76% and 2.71% ...

Durability Phenomenon in Manufactured Sand Concrete: Effects …

This study, with a main focus on durability performance, explores strength and behavior of manufactured sand concrete containing alcofine and zinc oxide in severe environmental conditions.

Durability of Manufactured Sand Concrete in Atmospheric …

Results revealed that the compressive strength improved from 2.84 to 7.04 MPa at 50% replacement. Furthermore, the appropriate amount of stone powder content in manufactured sand has a certain ...

EXPERIMENTAL INVESTIGATION ON PROPERTIES OF HIGH STRENGTH CONCRETE

Due to the demand and scarcity of river sand, an alternative material such as Manufactured sand (M Sand) is used in concrete as fine aggregate. In this paper, M 40 grade is prepared with high volume fly ash in concrete with various proportions as a partial replacement of cement and M Sand is used replacement as fine aggregates.

STRENGTH AND DURABILITY STUDIES ON CONCRETE …

effect of M-sand on strength and durability properties of concrete. Some key relevant research findings are discussed below. Patel and Pitroda [1] reported that the MOE …

STRENGTH AND DURABILITY STUDIES ON CONCRETE …

manufactured sand (M-sand) instead of natural river sand in making concrete. M-sand is obtained by crushing the natural granite stone in the vertical shaft Impact crushers and screening the output form the fine aggregates of size less than 4.75mm. Some studies has been reported the effect of M-sand on strength and durability properties of ...

Ultrahigh Performance of Concrete using Manufactured Sand

The resistance and durability of concrete structures can be improved by using ultra-high performance concrete (UHPC). A crucial component of energy conservation and concrete cost reduction is the ...

Effects of fiber properties on flexural and fracture …

Fiber-reinforced concrete (FRC) with natural sand (NS) as fine aggregate has been regarded as an favorable cementitious composites in engineering application due to its superior mechanical and fracture properties, etc.As a promising substitution for NS in conventional concrete, manufactured sand (MS) presents great potential in minimizing …

Effect of fines on strength and durability of concrete with

Microstructure of concrete with different percentages of fines were studied. It was concluded that workability of fresh concrete and density increases with increase in fines. M-sand concrete with 5% fines exhibits optimum strength and durability properties with presence of dense CSH Gel and lesser number of pores.

Durability performance of self‐compacting concrete made …

Structural Concrete is a structural engineering journal publishing research on all aspects of concrete structures, including design, construction, demolition, and sustainability. Abstract The utilization of waste foundry sand (WFS) has been widely explored in conventional concrete to evaluate strength and durability properties.

Inspection of the mechanical and durability behavior of concrete

permeability, acid, and sulphate resistance effects in M-sand concrete mixes. Through systematic replacements of R-sand with M-sand, ranging from 0% to at 25% intervals, using the wid ely ...

Durability of sea-sand containing concrete: Effects of chloride …

Chloride ion penetration is reduced, and better durability of the concrete is observed, with longer curing times, less water consumption per cubic meter, and a smaller water/cement ratio. 1. Introduction. The rapid economic development of coastal areas in China has raised the need for constructing a large number of concrete structures.

Effects of Fines Content on Durability of High-Strength …

why fines can improve the durability of concrete is the filling effect. Too much fines will inhibit the hydration of cement and adversely affect the durability of concrete. Therefore, the fines content of high-strength manufactured sand concrete should be controlled within 5~15%, and the durability is the best when the fines content is 10%.

STRENGTH AND DURABILITY STUDIES ON CONCRETE MADE …

The available limited natural sand is unable to meet the growing demand of fine aggregate for the needs of construction. It is proposed to compare the physical properties of natural …

Effects of Fines Content on Durability of High-Strength …

Materials 2023, 16, 522 4 of 21 factured sand is uneven and has obvious cracks. This is because the river sand has expe-rienced long-term water flow erosion and has fewer edges; the manufactured ...

Optimum Fines Content in Manufactured Sand for Best …

AbstractDue to a shortage of river sand for concrete production, manufactured sand (MS) made from crushed rock has gradually become a substitute. ... and M. K. Zhou. 2009. "Effect of limestone fines content in manufactured sand on durability of low- and high-strength concretes." ... Y., H. Cui, and W. Tang. 2016. …

Study on the Properties of Cement Concrete Using Manufactured Sand

1 Introduction. The global consumption of natural sand is very high, due to the extensive use of concrete or mortar. Properties of aggregate affect the durability and performance of concrete, so fine aggregate is an essential component of concrete and cement mortar. The most commonly used fine aggregate is natural river sand.

(PDF) STUDY ON PROPERTIES OF CONCRETE WITH MANUFACTURED SAND …

In the present investigation workability, strength and durability of concrete with manufactured sand as replacement to natural sand in proportions of 0%, 20%, 40%, 60% and is studied. The ...

Effect of limestone fines content in manufactured sand on durability …

The use of manufactured sand (MS) has been increasing in China because good quality natural sand is not economically available in many areas. ... the incorporation of limestone fines in the high-strength concrete had litter effect on the durability factors, i.e., the relative dynamic modulus at 325 cycles varied between 94.3% and 98.3% for all ...

Durability of manufactured sand concrete in atmospheric …

In this paper, the mass growth rate and compressive strength of manufactured sand concrete are higher than those of river sand concrete, because of …

Effect of fines on strength and durability of concrete with

Abstract. Presently Manufactured sand is widely used as an alternative to natural sand in cement composites due to restrictions laid by authorities on extraction of …

Effect of fines on strength and durability of concrete with

It was concluded that workability of fresh concrete and density increases with increase in fines. M-sand concrete with 5% fines exhibits optimum strength and durability properties with presence of dense CSH Gel and lesser number of pores. However, from strength consideration, upto 15% replacement of fine aggregates by fines can be …