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High-performance concrete (HPC) is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. HPC mixtures are composed of essentially the same materials as conventional concrete mixtures, but the proportions are designed, or engineered, to provide the strength and durability needed …
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Higher-strength. Greater durability. Disadvantages of manufactured sand: Higher cost. More requirement of water-cement due to its smooth and angular texture to achieve appropriate workability. …
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laced and the values of compressive strength for 3days, 7days & 28 days. It is observed that the variation is about 2-3% increment in compressive stre. gth for ROBO sand concrete (50%) when compared to conventional concrete.We can also observe the declinment of strength for 70% and of ROBO sand concrete. therefore, partial repla.
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concrete by addition of manufactured sand as a complete replace ment of natural sand. Keywords : High performance concrete, Manufactured sand,Natural sand,Strength and Durability. INTRODUCTION ...
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AN EXPERIMENTAL STUDY ON HIGH PERFORMANCE CONCRETE BY USING GGBS AND ROBO SAND 1A RUPESH KUMAR,2D IBRAHEEM KHALEELULLA 1Student,2Assistant Professor Department Of Civil Engineering PVKKIT, Anantapur ... robo sand in the range of 5%, 15% and 25% by weight of cement for M40grademix. I. …
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The concrete mix is designed as per IS 10262 – 1982, IS 456-2000 and SP 23 for the conventional concrete and inally 0 to 30% river sand has been replaced by ROBO sand and 30 to 50% cement replaced with GGBS by volume. The water cement ratio is 0.42. The mix proportions of M30 concrete are 1:1.73:2.47. TEST SPECIMENS AND TEST …
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Robo Sand (R.S) which is eco-pleasant serves as a partially substitute material for the depleting river sand. ... The effect of M-sand on the setting time of high performance concrete is studied ...
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One of the key elements used in the manufacture of concrete is river sand. HPC is a concrete with a unique combination of overall performance and homogeneity requirements that can't be consistently achieved robotically with standard parts and mixing. Natural sand is growing more expensive as a result of its widespread use in building. As …
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This study determined the strength properties of high-performance concrete (HPC) produced using ternary blended cement, based on Nano-silica (NS) and bagasse ash (BA) addition to Portland cement. Several mix proportions, based on random mix design, were considered based on the substitution of constituent materials. Fine …
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Natural (River) Sand. Natural sand has an excellent modulus of 2.78 and, after washing in clean water, complies with Zone II according to IS: 383-1970. The specific gravity of this natural sand was found to be 2.55. The water absorption and moisture values obtained for the sand used were 6% and 1.0%, respectively. 3.
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Optimization of Fully Replacement of Natural Sand by M-Sand in High Performance Concrete with Nanosilica. International Journal Of Emerging Technology And Advanced Engineering ISSN 2250-2459, ISO ...
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Robo sand; • To analyse the performance of M30 grade concrete after replacing the Robo sand with the addition of a super plasticizer such CONPLAT WL. 2. REVIEW OF LITERATURE ... Robo sand is a high-quality substance, as opposed to the unrefined excess from the manufacturing of coarse aggregate.
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Mr Shaik Mohammed Siraj et al. (2017) [8] "Cembinder Concrete using Robo Sand" studied use of cembinder as an admixture in varying proportion of 0%, 1%, 5%, 8%, 10% by weight of cement. The grade ...
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various strength tests were conducted for hardened M30 grade of concrete, and a comparative study was done with normal concrete and composite concrete with GGBS and ROBO sand in different proportions. Increase in compressive strength after 28 days was observed with 15% GGBS along with 20% ROBO sand. Similar
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Builder's Competence In Using Robo-Sand: A Critical Factor. While the comparison above tilts heavily in favour of robosand, we cannot ignore the strengths of naturally occurring river-sand. Concrete made with river-sand is preferred by many builders, since working with robosand demands a thorough knowledge, skill and …
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The normal concrete may not achieve the properties like uniformity and better performance hence the high performance concrete is becoming the need of time. Improvement in the quality leads to experimentation on the conventional material with addition of other materials. ... (GGBS) and sand with the ROBO sand (crusher dust). …
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Advantages of manufactured sand are as follows; Reducing defects in concrete like segregation, bleeding and honeycomb structure formation.; Setting time of concrete is comparatively fast as compared to another type of concrete where we use natural sand; Compressive strength and flexural strength of concrete is very high as …
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Concrete with Robo Sand using Silica Fume 1 Mohd.Adnan Ahmed, Mohd.Ahsan Uddin Ansari2, ... Self-Compacting Concrete Incorporating High Volumes Of Class F Fly Ash Preliminary Results, Cement And Concrete Research 31 (2001) 413±420. ... On The Performance Of Portland Cement Concrete. Ph.D. Thesis. The University Of Texas At …
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The consumption of the concrete is huge and. Most popular and widely used building material is concrete in the field of construction. It was found suitable than any other materials and hence very important for the constructional developments. The consumption of the concrete is huge and
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Characteristic of High Performance Concrete by using ROBO Sand and Flyash International Journal of Scientific Engineering and Technology Research Volume.06, IssueNo.06, February-2017, Pages: 1015-1022 Fly ash has excellent water tightness of the concrete will increases the durability. Research. They have observed the behaviour of …
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Top PDF HIGH PERFORMANCE CONCRETE WITH GGBS AND ROBO SAND VENU MALAGAVELLI were compiled by 1Library
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In 1977, the first high-performance cement was the hot-pressed cement [23], followed by macro-defect-free cement [24], slurry-infiltrated fibre concrete [25] and similar materials. Reactive powder concrete (RPC), which was used by researchers to increase compression strength from 200 MPa to 800 MPa through improved fineness …
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Integrating ultra-high performance concrete (UHPC) and visual recognition techniques, the robot is designed to identify and repair concrete defects in real-time automatically. Defect detection is conducted using Google's MobileNetV1, a convolutional neural network (CNN)-based algorithm, which provides results comparable to standard …
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Cement, coarse aggregate, fine aggregate, water and admixtures were the common substitutional ingredients in concrete. Along with the increasing depletion of the river sand as well as natural aggregate around the country, researchers started looking for easily available material and used as another option for replacing with natural sand.
Detailsconcrete with GGBS and robo sand nd concluded that the percentage increase of compressive strength of concrete is 11.06 and 17.6% at the age of 7 and 28 days by replacing 50%
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An experimental work is conducted on mix design of M 40 grade concrete material by semi alternate of coarse size particles with ferrochrome by 25%, 50% and 75% by weight of concrete and partial replacement of fine aggregate (sand) with Robo sand by 25%, 50% and 75% by mass. These mixtures of materials will be applied to analysis the …
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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 ...
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M75 and M85 self compacting concrete, Robo sand and steel fiber : Abstract: When it comes to building materials, concrete is among the most useful. The primary objective of this research is to produce high strength SCC by varying the quantity of mineral admixtures added to concrete of grades M75 and M85.
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Venu Malagavelli et. al. / International Journal of Engineering Science and Technology Vol. 2(10), 2010, 5107-5113 HIGH PERFORMANCE CONCRETE WITH GGBS AND ROBO SAND VENU…
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