06/04/2014  The quality of the sand has more impact on the strength of the structure in spite of the quantity of the cement used. 1) If there is more silt in coarse sand, the strength of cement mortar is reduced from 1 % to 30%. 2) If you take best quality coarse sand, it will give maximum strength.

24/07/2012  In cement masonary and conc. with coarse sand give more strength than fine sand, Coarse sand have less superfacial area than fine sand hence it gives more strength.In coarse material there is less shirankage which add to strength. Some time in cruser sand

04/11/2016  ADVANTAGES • CHEAPER Great savings • No impurities No wastage • Superior building saving strength and substantially physical properties on cement • Consistent screening graduation avoided • Green sand Eco friendly product 10. CONCLUSION what if the river sand becomes a scarce item and what’s the next best alternative. The alternative is guess what ROBO SAND

Robo sand as effluent in industry HOW ROBOSAND IS SUPERIOR TO RIVER SAND Particle Shape. High-Compression Strength. Greater Durability. Truckloads of advantages. Does away with construction defects. Superior Quality. Greater Economy Savings. Easy Availability ADVANTAGES OF ROBO SAND: 1. Cheaper Great saving. 2. No impurities No wastage. 3. Superior building Saving substantially

River sand from Himalayan rivers as they coming raging down, creating sand from stones, has most desirable features for plastering brick walls. It is angular, very uniform, optimal sized grains with hardly any contamination of clay. It is very easy to sieve larger particles and pebbles as they are few. It is virtually a treat to use a mortar made with this sand. A very smooth floor like finished surface can be created with relative ease even in vertical application. This sand is

25/10/2018  Now the sand available in the riverbed is very coarse and contains very high percentage of silt and clay. The silt and the clay presence in the sand reduce the strength of the concrete and holds dampness. The natural river sand is the product of sedimentation. mica, coal, fossils and other organic impurities are present in the river sand above certain percentage which make the sand useless for

M Sand Advantages M Sand has higher Fineness Modules Index compared to the natural river sand, which gives good workability for concrete. M sand is free from silt and clay particles which offer better abrasion resistance, higher unit weight and lower...

River sand has a great contribution to the construction industry, but sea sand is the opposite. Most of the sea sand contains excessive chloride ions, which will corrode the steel bars in the reinforced concrete, and eventually lead to the damage of the building structure and shorten the life of the building. Advantages of River Sand

31/01/2013  robo sand and river sand comparison – Gold Ore Crusher. North Country/Tri-Lakes – YNN, Your News Now – FEATURES. In fact, by the end of September, it may be too late at Apple Barrel Orchards, 2673 Sand Hill Road, Penn »More detailed. robo sand and river sand advantages – Gold Ore Crusher. The Hindu : Property Plus Hyderabad : Letting Robo run the show. This sand can give the river ...

10/11/2017  Differance between Robo sand and p-sand and their advantages regarding to strength. Thread starter Sameer shaik; Start date Nov 9, 2017; Sameer shaik Newbie. Bangalore. Nov 9, 2017 #1 Difference between Robo sand and P-Sand ,strength varaiance between them . Reactions: Basith and Er. Yuvraj Bhavsar . Sort by date Sort by votes Chetan Yadav. Staff member. Nov 9, 2017 #2 What do

ROBO SAND INTRODUCTION MANUFACTURE OF ROBO SAND HOW ROBO SAND IS SUPERIOR TO RIVER SAND MONITORING QUALITY OF ROBO SAND ADVANTAGES CONCLUSION 4. INTRODUCTION Robo sand is an ideal substitute to river sand. It is manufactured just the way nature has done for over a million of years 5. Ask For Price. Products Robo Sand,Robo Aggregates and

Advantages and disadvantages of Robo Sand? Civil4M. 17082020 Advantages of Manufactured Sand over River Sand Contains no organic, harmful impurities, hence significant improvement in strength of concrete at same cement content Gradation of particles can be controlled during production As Gradation is controlled there is no wastage due to oversize materials . Calculation of Quantity of ...

14/10/2012  Properties of River SandTextural composition (% by weight)Coarse Sand (4.75 – 2.00 mm) 6.6Medium Coarse sand (2.00 – 0.425 mm) 73.6Fine sand (0.425 – 0.075 mm) 19.8Note: River sand is a natural material and therefore actual specs will vary slightly for each shipment.River Sand vs M sand (M-Sand, Manufactured Sand, Robo sand,Rock Sand, R Sand, crusher dust) for construction in

16/05/2012  Robo sand is sand manufactured in the stone quarries. It is a substitute for the river sand used in construction. Manufacturers claim it is better than the river sand. Addressing a press ...

River Sand is usually obtained from River Beds and Banks. It is usually very fine in quality and has a white-grey color. River Sand is good for all construction activities like concrete production and plastering as it is well graded. As per the Indian Standard codes, sand used in preparation of concrete and in plastering should ideally confirm to IS-383 Zone-II.

12/05/2014  The Advantages of Manufactured Sand. More cost effective than natural sand: Manufactured sand can be produced in areas closer to construction sites, bringing down the cost of transportation and providing an assurance of consistent supply. Compliant with the new European Standards: Manufactured sand can be used as aggregates in screed and concrete mixes, as per

Hi All, I am planning to construct a house in my native(Tamil Nadu) so i did a survey by visiting few construction sites who are using M-sand. since the supply of ...

Advantages of Sand in Soils: Here are some of the advantages of sand in garden soils: The land warms up earlier in the spring and maintains a higher temperature than heavy soils. Fertilizers act more quickly in the soil if the amount of sand is higher. You can start tillage earlier in the spring and can continue later in the fall; Your tillage will be far cheaper if you have sand in your soil ...

31/01/2013  robo sand and river sand comparison – Gold Ore Crusher. North Country/Tri-Lakes – YNN, Your News Now – FEATURES. In fact, by the end of September, it may be too late at Apple Barrel Orchards, 2673 Sand Hill Road, Penn »More detailed. robo sand and river sand advantages – Gold Ore Crusher. The Hindu : Property Plus Hyderabad : Letting Robo run the show. This sand can give the river ...

ROBO SAND INTRODUCTION MANUFACTURE OF ROBO SAND HOW ROBO SAND IS SUPERIOR TO RIVER SAND MONITORING QUALITY OF ROBO SAND ADVANTAGES CONCLUSION 4. INTRODUCTION Robo sand is an ideal substitute to river sand. It is manufactured just the way nature has done for over a million of years 5. Ask For Price. Products Robo Sand,Robo Aggregates and

The natural river sand was the cheapest resources of sand. However the excessive mining of rive bed to meet the increasing demand for sand in construction industry has lead to the ecological imbalance in the state. Now the sand available in the riverbed is very coarse and contains very high percentage of silt and clay. The silt and the clay presence in the sand reduce the strength of the ...

Hi All, I am planning to construct a house in my native(Tamil Nadu) so i did a survey by visiting few construction sites who are using M-sand. since the supply of ...

So although river sand can be completely replaced with M-sand, a proper mix proportion needs to be adopted taking into account the finess modulus of each of these sands. For Example: If both these sands have same finess modulus, the proportion of fine aggregate will remain same in the concrete mix. If the finess modulus of M-sand is more than finess modulus of River Sand (used in Mix design ...

29/02/2016  River Sand. This is generally gathered from the banks of the river. It has a fine quality, unlike pit sand. This sand is usually whitish grey in color and has rounded particles. This sand is very much useful for construction purpose such as plastering and so on. Crushed Stone Sand/ Artificial Sand/ M Sand

We can supply different types of sand in hyderabad area for building construction as well as industrial purpose. Go to River Sand. River Sand. We are highly acknowledged organization engaged in supplying river sand in hyderabad. No impurities, Pure river sand and pocket friendly rates. Go to Rock or Robo Sand. Rock or Robo Sand.

The cubical shape, uniform size and control fines of Foyer M-Sand adds advantage to the Workability of concrete. Use of Foyer M-sand can cease and desist the Construction defects and Post-Concrete flaws such as segregation, honeycombing, voids and capillarity in concrete due to the desired percentage of fines. Structures constructed by using Foyer M-Sand has the ability to withstand extreme ...

Advantages of Sand in Soils: Here are some of the advantages of sand in garden soils: The land warms up earlier in the spring and maintains a higher temperature than heavy soils. Fertilizers act more quickly in the soil if the amount of sand is higher. You can start tillage earlier in the spring and can continue later in the fall; Your tillage will be far cheaper if you have sand in your soil ...

Coarse sand should be either river sand or pit sand; or combination of the two. It should be obtained from Badarpur Sand or Stone dust obtained by crushing hard stones or gravel. It should also be obtained from river bed such as Tajewala , Dadupur sand. Note: In general the sand particle should be coarser and have minimum silt contents. The silt contents should not be more than 4%. Caution ...

ROBO SAND INTRODUCTION MANUFACTURE OF ROBO SAND HOW ROBO SAND IS SUPERIOR TO RIVER SAND MONITORING QUALITY OF ROBO SAND ADVANTAGES CONCLUSION 4. INTRODUCTION Robo sand is an ideal substitute to river sand. It is manufactured just the way nature has done for over a million of years 5. Ask For Price. Products Robo Sand,Robo Aggregates and

The natural river sand was the cheapest resources of sand. However the excessive mining of rive bed to meet the increasing demand for sand in construction industry has lead to the ecological imbalance in the state. Now the sand available in the riverbed is very coarse and contains very high percentage of silt and clay. The silt and the clay presence in the sand reduce the strength of the ...

29/02/2016  River Sand. This is generally gathered from the banks of the river. It has a fine quality, unlike pit sand. This sand is usually whitish grey in color and has rounded particles. This sand is very much useful for construction purpose such as plastering and so on. Crushed Stone Sand/ Artificial Sand/ M Sand

So although river sand can be completely replaced with M-sand, a proper mix proportion needs to be adopted taking into account the finess modulus of each of these sands. For Example: If both these sands have same finess modulus, the proportion of fine aggregate will remain same in the concrete mix. If the finess modulus of M-sand is more than finess modulus of River Sand (used in Mix design ...

Advantages and Disadvantages of River Sand. Materials. Crushed Sand vs. Natural Sand: Make the Right Choice! Read More “Crushed Sand vs. Natural Sand: Make the Right Choice! ” Best Home Designs. Showcase your Best Designs. Sofa – Center Table. Designer Aditya Furniture Interior. Bedroom. Designer Pooja Interior Furniture Works. Kitchen. Designer Aditya Furniture Interior.

Manufactured sand (M-Sand) is a substitute of river sand for concrete construction . Manufactured sand is produced from hard granite stone by crushing. The crushed sand is of cubical shape with grounded edges, washed and graded to as a construction material. The size of manufactured sand (M-Sand) is less than 4.75mm.

Coarse sand should be either river sand or pit sand; or combination of the two. It should be obtained from Badarpur Sand or Stone dust obtained by crushing hard stones or gravel. It should also be obtained from river bed such as Tajewala , Dadupur sand. Note: In general the sand particle should be coarser and have minimum silt contents. The silt contents should not be more than 4%. Caution ...

Sand mining has led to deepening and widening of the Lake Poyang channel, the largest freshwater lake in China and a biodiversity reserve of exceptional importance, and to an increase in water discharge into the Yangtze River. This may have influenced the lowering of the lake’s water levels, which reached a historically low level in 2008.

(1) The artificial sand produced has a high moisture content, particles with a particle size of less than 0.16mm are relatively few (generally 10%), the fineness modulus is relatively coarse, and the sand output is low, which is difficult to meet ...

Testing of Sand Quality at Construction Site Following are the tests for sand at construction site: Organic impurities test – this test is conducted at the field, for every 20 cum or part thereof.; Silt content test – this is also a field test and to be conducted for every 20 cum.; Particle size distribution - this test can be conducted at site or in laboratory for every 40 cum of sand.