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On early Mechanical Properties of Artificial Sand Concrete ...

May 01, 2012  adshelp[at]cfa.harvard The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

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artificial sand mechanical properties

On early Mechanical Properties of Artificial Sand . This paper studies the early mechanical properties of artificial sand concrete, we found by comparison with natural sand concrete that the slump of artificial sand concrete were increased by 85%, and the strength 0f 16h and 1d and3d were increased by 23.4% and 20% and 11%.get price

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Workability, mechanical properties and affinity of ...

Nov 15, 2015  A new artificial reef concrete (NARC) with sulphoaluminate cement, marine sand and sea water et al. was proposed. The effect of cement type, sand type and water type on the workability (namely slump, slump loss cohesiveness, water retention), mechanical properties namely compressive strength, splitting tensile strength and dynamic elastic modulus) and affinity (namely surface initial pH

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Effect of Sand Content on the Workability and Mechanical ...

Jan 31, 2019  Keywords: lightweight aggregate concrete, density, bottom ash, dredged soil, mechanical properties, sand content, fib model. Date: 1/31/2019. Abstract: The objective of this study is to examine the workability and various mechanical properties of concrete using artificial lightweight aggregates produced from expanded bottom ash and dredged soil.

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Mechanical properties of seawater and sea sand concrete ...

Dec 10, 2018  This paper presents a durability study on seawater and sea sand concrete (SWSSC), FRP, and SWSSC-filled G/C/B-FRP tubular stub columns exposed to an artificial seawater at 40 °C for durations up to 6 months. The following conclusions can be made. (1) Strength of seawater and sea sand concrete is not reduced after exposure.

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Mechanical Properties and Corrosion Resistance of Cement ...

Mechanical Properties and Corrosion Resistance of Cement ... The early strength of concrete made from sea sand and seawater is higher than ordinary concrete, ... Artificial seawater is formulated according to ASTM D-1141 [13] and the components are shown in Table 3.

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Mechanical properties of seawater and sea sand concrete ...

Li, YL, Zhao, XL Singh Raman, RK 2018, ' Mechanical properties of seawater and sea sand concrete-filled FRP tubes in artificial seawater ', Construction and

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Mechanical Properties of Concrete Containing Ceramsite Sand

Sep 21, 2015  Ceramsite sand is a kind of artificial fine lightweight aggregate, which could be used as an effective internal curing material for concrete with low water-binder ratio. In this paper, the mechanical properties of concrete with the water to cement ratio of 0.3, 0.35 and 0.4, in which the natural sand was replaced by ceramsite sand at 20%, 40% ...

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Toward intelligent construction: Prediction of mechanical ...

Jun 10, 2020  The principle reasons for the stone powder content influencing the mechanical properties of manufactured-sand concrete are as follows: 1) at early hydration age, stone powder accelerates the hydration of clinker materials by acting as nucleation sites for C–S–H and CH reaction products (Bonavetti et al., 2000); 2) early strength of ...

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Research of Mechanical Properties of Concretes as Cement ...

Abstract: The concrete as a porous cement-based material is widely used in practice. The analysis of the basic reason why the drying shrinkage stress develops in concrete at early age is made by using the principal of the equilibrium between capillary water repulsive force and molecular attracting force. The model for computing the drying shrinkage stress for nonbinding concrete is presented ...

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Mechanical properties of seawater and sea sand concrete ...

The mechanical properties of conditioned and unconditioned plain concrete, FRPs, and concrete-filled FRP tubes (fully filled and double-skin tubes) were measured by means of compressive test and split-disk test. Compressive strength of SWSSC did not degrade after exposure, but an obvious degradation in hoop strength was observed for GFRP and BFRP.

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INVESTIGATION OF DURABILITY PROPERTIES OF

the concrete matrix.. M-Sand helps in enhancing the early age mechanical properties as well as long-term strength properties of cement concrete.In this study we did different types of tests. Test results reveal using M-Abstract: The huge quantity of concrete is consumed by construction industry all over the world. In India, the conventional ...

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Influence of Aluminosilicate for the Prediction of ...

Also, it was observed from the test results that increase in the percentage use of m-sand increased the mechanical properties of the geopolymer concrete up to an optimum dosage beyond which reduction in the mechanical properties was observed. The predicted mechanical properties of the geopolymer concrete using Artificial Neural Network

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(PDF) MECHANICAL PROPERTIES OF CONCRETE

The present research aims at developing special types of concrete known as Blast Furnace Slag Concrete by partial replacement of cement by Blast Furnace Slag (BFS) at different weight percentages (5, 15, 20, 30, and 40) %. The weight percentage was

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Research on the Properties of Sea Sand Concrete

Concrete Masonry is one of those few basic building materials whose physical and mechanical properties can be specified by the designer, and produced by the manufacturer within fine tolerances.

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Mechanical properties and thermal conductivity of ...

Jan 11, 2018  Mechanical properties and thermal conductivity of lightweight geopolymer concrete ... Four concrete mixtures were prepared with artificial coarse lightweight aggregate and different contents of artificial lightweight fine aggregate (25, 50, 75 and 100%) as a volumetric replacement to natural normal weight fine aggregate (sand); in addition to ...

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Investigation on Mechanical and Durability Properties of ...

Determine the mechanical properties of replacement materials. Determine the durability properties of replacement materials. To investigate the Properties of concrete would be analyed using regression equation. To design the M30 concrete mix as per 10262:2000. To

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Strength and Durability Properties of Granite Powder Concrete

natural sand. It was found that the weight loss of artificial sand block is considerably same with respect to natural sand blocks at 20, 40, and 60 and 90 days, immersed in sulphuric acid solution during the experimental period and maintains pH 4 across it. Both concrete made using artificial sand and

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Effect of Curing on Mechanical Properties of Cement ...

Jul 22, 2020  The use of coral sand prepared from cement-stabilized materials can significantly reduce the cost, construction period, and damage to the environment caused by stone mining. The choice of water in mixing and curing the cement-stabilized materials on islands should be considered. Cement-stabilized coral sand was tested in three different preparation and maintenance systems in the marine ...

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Mechanical Properties of Concrete Composites with ...

MECHANICAL PROPERTIES OF CONCRETE COMPOSITES WITH REPLACEMENT OF CLASS C FLY ASH AND SILICAFUME K. Sivalingam, Dr S Jayanthi, Dr K Jagadeesanand Dr S Samson Abstract— The results of experimental investigations on the study of concrete with partial replacement of cement are presented in this paper.

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Experimental Investigation on Mechanical Durability of ...

Index terms— Sand, fly ash, Quarry dust, Mechanical Durability of concrete. I. Introduction: ow-a-days concrete is the most widely used composite material. Where constituents materials are Cement, Fine aggregate, Coarse aggregate and water. Due to the demand of natural sand, we are forced to think of alternative materials. From the past

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INVESTIGATION ON THE PROPERTIES OF CONCRETE

50% ROBO sand to get the different concrete mixes. The fresh and mechanical properties of concrete i.e. workability (slump test) and compressive strength, split tensile strength and flexural strength at 7 days, 28 days and 90 days are studied of the different concrete mixes and results are compared with conventional concrete.

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Strength and Durability Properties of Granite Powder Concrete

natural sand. It was found that the weight loss of artificial sand block is considerably same with respect to natural sand blocks at 20, 40, and 60 and 90 days, immersed in sulphuric acid solution during the experimental period and maintains pH 4 across it. Both concrete made using artificial sand and

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Effect of replacement of River sand by M-sand in high ...

Meas urements of early age properties of fresh concrete including slump test and specific gravity tests and fineness modulus have been examined. Mechanical performances including compressive strength and split tensile strength were evaluated. The aim of the inv estigation is to investigate the

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PROPERTIES AND MIX DESIGNATIONS

concrete is important, as are proper curing and protection of the concrete during the early hardening period, which assure favorable conditions of temperature and moisture. Cure concrete properly for a minimum of three days in order to develop good durability. Another property that helps ensure durability is the water to cementitious ratio (w/c).

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Effect of Curing on Mechanical Properties of Cement ...

Jul 22, 2020  The use of coral sand prepared from cement-stabilized materials can significantly reduce the cost, construction period, and damage to the environment caused by stone mining. The choice of water in mixing and curing the cement-stabilized materials on islands should be considered. Cement-stabilized coral sand was tested in three different preparation and maintenance systems in the marine ...

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Investigation on Mechanical and Durability Properties of ...

Determine the mechanical properties of replacement materials. Determine the durability properties of replacement materials. To investigate the Properties of concrete would be analyed using regression equation. To design the M30 concrete mix as per 10262:2000. To

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Mechanical Properties Of Recycled Aggregates Concrete ...

In the world of construction, concrete like other materials is playing an important role in development. concrete is a composite material which is a mixture of cement, fine aggregate , coarse aggregate and water .The major constituents of which is natural aggregate such as gravel, sand, Alternatively, artificial aggregates such manufactured ...

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Influence of Aggregate Type and Size on Ductility and ...

dolomitic limestone sand and gravel sand can also be successfully used in the product ion of ECC, and the ductility of the ECC specimens containing crushed sand or gravel sand are comparable with that of standard ECC containing microsilica sand. EXPERIMENTAL STUDIES Materials, mixture proportions, and basic mechanical properties

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Comprehensive Study on Effect of Partial Replacement of ...

mix are designed for M30 grade by replacing natural sand with artificial sand at different replacement levels of 50%, 60% and 70%. For the above purpose, we are going to design concrete mixes of M30 grades by different replacement of natural sand to artificial sand. Its mechanical properties

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Predicting the Compressive Strength of Desert Sand ...

Dec 17, 2020  Desert sand is one of the current research hotspots in alternative materials for concrete aggregates. In the process of practical application, compressive strength is an essential prerequisite for studying other properties. Based on the current research situation, a prediction technology of compressive strength of desert sand concrete (DSC) is proposed based on an artificial neural

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Experimental Investigations on Strength Properties of Self ...

the concrete that are able to constantly precipitate calcite. Bacillus Cereus is a soil bacterium, can continuously precipitate a new highly impermeable calcitelayer over the surface of an already existing concrete layer. Tests are conducted to study the mechanical properties of the concrete with various percentages of Bacteria.

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A comparative study on prediction models for strength ...

The basic mechanical properties of concrete are generally obtained from the standard concrete specimen after curing of 28 days. Although much literature and international codes are available for mix designing and proportioning of concrete, the lightweight concrete has to be mix proportioned only by trial mixes (Bogas Gomes, 2013).

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