No.169, Science (Kexue) Avenue,National HI-TECH Industry Development Zone, Zhengzhou, China
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0086-371-86549132
No.169, Science (Kexue) Avenue,National HI-TECH Industry Development Zone, Zhengzhou, China
[email protected]
0086-371-86549132
2020-12-1 · To study the effect of the addition of granite dust into the concrete mixture, part of the sand was replaced by granite dust in the amount of 200 kg/m 3 (mixes 32,5-G200 and 42,5-G200) and 300 kg/m 3 in mixtures 32,5-G300 and 42,5-G300. The water/cement ratio in all types of mixes was 0,51. The components of concrete mixtures are shown in Table 2.
2021-11-24 · Granite dust is regarded as a valuable and easy-to-obtain alternative for customary, natural fine aggregate. However, granite dust can be employed in engineered cement composites (ECC). Nevertheless, multiple health and environmental hazards are attributed to it, due to the fact that it is a non-biodegradable material. The current study, however, has considered the possibility of significantly ...
2011-10-1 · Highlights Use of a new recycled material (red granite dust) as a partial cement replacement in concrete mixes. Selection of optimum recycled material content and the evaluation of fresh and hardened properties. RGD addition beyond 30% caused a strength decrease: mechanical properties remained acceptable up to 50% RGD-for-cement replacement.
2017-2-15 · CEMENT - SAND - STONE relationship; In practice a 50kg of cement bag contains 2 head pan of cement; this means that if i have a plan to mix 1 bag of cement my mixing ratio would be: 1:2:4 = 1 bag of cement : 4 head-pans of sand : 8 head-pans of stone. 1:3:6 = 1 bag of cement : 6 head-pans of sand : 12 head-pans of stone.
Experimental programme was conducted using 30%, 40%, 50%, 60% and 70% partial replacement of fine aggregate with stone dust has been taken for concrete of M25
2017-8-24 · 7) Water – Potable water was used for mixing the concrete mix in entire investigation and for curing the concrete in the determination of the optimal percentage of stone dust as fine aggregate replacement. B. Methods – Workability as slump test for consistency of each batch of concrete mix conforms to IS:1199-1959 specification was
2005-6-27 · Mixing cement with a thin top layer and spreading it dry would keep the dust down and stabilize it a lot, but it would be very weak and probably break under use before long. It would be tough to do the concrete forms a few at a time in such a large area, but that may be an out.
2014-9-25 · plasticity of fresh concrete. 0.6% - 0.8% of the admixture by weight of cement was used. 3.3. Mixing Method Concrete were mixed in a tilting mixer (laboratory type). The following mixing sequence was adopted: stone dust and cement were mixed for 2 minutes; water added during mixing and continuous mix for two more mi-
Test result indicates that, compressive strength of specimen mix with 35% of sand replacing stone dust and 3% of cement replacing stone dust increases 21.33% and
2019-5-27 · Stone dust is also known as rock dust or quarry dust, and some products just have the brand name. The stone dust is collected using a screen that keeps the larger
2020-12-1 · To study the effect of the addition of granite dust into the concrete mixture, part of the sand was replaced by granite dust in the amount of 200 kg/m 3 (mixes 32,5-G200 and 42,5-G200) and 300 kg/m 3 in mixtures 32,5-G300 and 42,5-G300. The water/cement ratio in all types of mixes was 0,51. The components of concrete mixtures are shown in Table 2.
2014-9-25 · plasticity of fresh concrete. 0.6% - 0.8% of the admixture by weight of cement was used. 3.3. Mixing Method Concrete were mixed in a tilting mixer (laboratory type). The following mixing sequence was adopted: stone dust and cement were mixed for 2 minutes; water added during mixing and continuous mix for two more mi-
The result obtained clearly represents that on partial replacement of cement by 5% with stone dust, compressive strength obtained is maximum. On the other hand, higher strength is obtained when cement is replaced with 10% granite powder. Keywords:Pozzolanic Waste Materials, Optimum Mix, Compressive Strength, Granite Powder, Stone Dust, OPC. I.
2021-1-1 · According to IRC SP:63, water/cement ratio ranges from 0.34 to 0.38, water content for the mix from 5 to 7%, quantity of cementitious material i.e. 380 to 425 kg/m 3, aggregate/cement ratio i.e. 3:1 to 6:1, proportion of NCA and river sand is 40% & 60% respectively and size of NCA ranges from 6 to 12 mm and around 0.4% superplasticizer may be used.
2019-7-1 · Research Institution, Lucknow (1984), on use of stone dust in cement mortars explains the influence of Shape and Size of fine aggregate on strength of mortars The experiments conducted by Dr. D.S. Prakash Rao and V. Giridhar Kumar (2004) on strength characteristics of concrete with stone dust as fine aggregate, draws the
2017-12-1 · A substitute or replacement product for concrete industry needs to be found. The main parameter investigated in this study is M30 grade concrete with replacement of sand by granite powder by 0, 25 and 50% and cement was partial replacement with silica fume, fly ash, slag and super plasticizer.
2015-4-30 · replaced with stone dust (Franklin et al 2014). The compressive strength of concrete mix had increased by 22% with the use of crusher dust at 40% replacement of natural sand (Pofale et al 2013).The present study aimed to utilizing stone dust as fine aggregate in
Test result indicates that, compressive strength of specimen mix with 35% of sand replacing stone dust and 3% of cement replacing stone dust increases 21.33% and 22.76% respectively than the ...
2019-7-1 · Cement by using two waste materials one is Glass Powder and Other is Stone dust. The Glass Powder is used as 20% replacement of the cement and Stone Dust as the partial replacement of Fine Aggregate from 0%, 10%, 20%, 30% and 40%. The grade of the concrete here is
2021-8-10 · Article Summary X. To mix cement, start by combining 1 part cement, 2 parts sand, and 4 parts gravel in a large bucket or wheelbarrow. Next, make a small crater in this mixture and add half a bucket of water. Mix the
2020-12-1 · To study the effect of the addition of granite dust into the concrete mixture, part of the sand was replaced by granite dust in the amount of 200 kg/m 3 (mixes 32,5-G200 and 42,5-G200) and 300 kg/m 3 in mixtures 32,5-G300 and 42,5-G300. The water/cement ratio in all types of mixes was 0,51. The components of concrete mixtures are shown in Table 2.
The result obtained clearly represents that on partial replacement of cement by 5% with stone dust, compressive strength obtained is maximum. On the other hand, higher strength is obtained when cement is replaced with 10% granite powder. Keywords:Pozzolanic Waste Materials, Optimum Mix, Compressive Strength, Granite Powder, Stone Dust, OPC. I.
2021-1-1 · According to IRC SP:63, water/cement ratio ranges from 0.34 to 0.38, water content for the mix from 5 to 7%, quantity of cementitious material i.e. 380 to 425 kg/m 3, aggregate/cement ratio i.e. 3:1 to 6:1, proportion of NCA and river sand is 40% & 60% respectively and size of NCA ranges from 6 to 12 mm and around 0.4% superplasticizer may be used.
This research evaluated the suitability of stone dust in the design and production of High Perfor-mance Concrete (HPC). HPC mix was designed, tested, costed and a comparison of concrete classes used in the market (Class 25, 30 and 35) done using Cost Benefit Analysis (CBA). The cost benefit was analyzed using Internal Rate of Return (IRR) and Net Present Value (NPV).
2019-7-1 · Cement by using two waste materials one is Glass Powder and Other is Stone dust. The Glass Powder is used as 20% replacement of the cement and Stone Dust as the partial replacement of Fine Aggregate from 0%, 10%, 20%, 30% and 40%. The grade of the concrete here is
2017-12-1 · A substitute or replacement product for concrete industry needs to be found. The main parameter investigated in this study is M30 grade concrete with replacement of sand by granite powder by 0, 25 and 50% and cement was partial replacement with silica fume, fly ash, slag and super plasticizer.
2021-6-4 · Reinforced cement concrete work of all types of structures. This is obtained by crushing the stone boulders of size 100 to 150mm in the stone crushers. Then it is sieved and the particles passing through 20 mm and retained on 10mm sieve known as course aggregate. The particles passing through 4.75mm sieve are called as quarry dust.
2021-8-10 · Article Summary X. To mix cement, start by combining 1 part cement, 2 parts sand, and 4 parts gravel in a large bucket or wheelbarrow. Next, make a small crater in this mixture and add half a bucket of water. Mix the
Inhaling concrete, stone or certain types of wood dust are ways you could damage your body long term. Therefore, it's imperative to exercise caution. Inhaling Concrete or Stone Dust. Some of the most hazardous dust on job sites can be released by cutting, grinding
2010-8-2 · As the ability to use natural sand in cement mixtures declines, there has been an increased interest in the potential of quarry dust to replace it. Quarry dust is a waste product produced during the crushing process which is used to extract stone, and there
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