Sand alternatives for sustainable construction ...
Rivers and quarries are the primary sources of sand used in the building industry. Sustainable alternatives to sand. Some contractors have started to use stone waste as an alternative. Non-recyclable bits of stone waste are ground up into small pellets which are then used as the fine aggregate in a concrete mixture.
Can someone suggest an alternative of sand as a …
Manufactured sand blended with natural sand in the ratio of 70:30 can be used as fine aggregate in concrete, which shows the better performance than conventional concrete.
What is the alternative of sand in concrete? - Quora
There are several alternatives such as sawdust, iron dust, ash etc and the resultant concrete are known by different names. We’re surrounded by concrete; it’s in our buildings, our roads, our tunnels, and runways. In fact, we produce around 10 bil...
What are the Materials for Replacement of Sand in …
In this percentage 40 to 50 % proportion of aggregate is fine aggregate (sand). Fine aggregate selection plays vital role in concrete performance and its cost. Lately the need for replacing sand with alternative materials have picked governing serious environmental impact of dredging sand from river bed, also there is huge demand and supply gap in major cities.
ALTERNATIVE SOURCES OF AGGREGATES
Fine aggregate can be manufactured by crushing and processing hard rocks such as limestone and sandstone to produce fine grained (sand-sized) material. The degree to which such crushed rock sand can replace natural sand varies with rock type, the degree of quarry processing used and end-use.
HOW TO ASSESS THE QUALITY OF FINE …
21-10-2014 · HOW TO ASSESS THE QUALITY OF FINE AGGREGATES UltraTech Cement. Loading ... M Sand as Fine aggregate in concrete - Duration: ... Bulk Density and Voids of Fine Aggregate - Duration: 12:10.
EXPERIMENTAL STUDY ON CONCRETE USING SEA SAND AS FINE ...
the sea sand pumped from a distance of about ten kilometers is very suitable for building construction industry. This study is to experiment the suitability to use beach/sea sand as a substitute for river sand as fine aggregate for concrete. Keywords: Concrete, Sea sand and Fine aggregate. 1. INTRODUCTION
Concrete aggregate alternatives - Appropedia: The ...
Alternatives to the Traditional Aggregate If there were criterion for a solution for the issues held by concrete, it would meet the following: Low tech, widely available, and be an improvement. A solution would need to be low tech because application needs to not require expensive tools.
Replacement of Natural Sand with Efficient Alternatives ...
production. River Sand used as fine aggregate in concrete is derived from river banks. River sand has been the most popular choice for the fine aggregate component of concrete in the past, but overuse of the material has led to environmental concerns, the depleting of river sand deposits and an increase in the price of the material.
USE OF DUNE SAND AS AN ALTERNATIVE FINE AGGREGATE IN ...
USE OF DUNE SAND AS AN ALTERNATIVE FINE AGGREGATE IN CONCRETE AND MORTAR R. Sanjeevan 1, S. Kavitha2, 4T.C. Ekneligoda3 and D.A.R. Dolage 1,2,3,4 Department of civil Engineering, The Open University Sri Lanka INTRODUCTION River sand is the most widely used fine aggregate in civil engineering constructions in Sri
Is there any alternative for course aggregate in …
Is there any alternative for course aggregate in ... in the fine aggregate. Sand, ... in form of Tire Derived Aggregate as an alternative may offers development of concrete properties ...
Crushed rock sand – An economical and ecological ...
Crushed rock sand has surfaced as a viable alternative to Natural River sand and is being now used commonly throughout the world as fine aggregate in concrete. It is manufactured by crushing the quarried stone to a size that will completely pass through 4.75 mm sieve.
Offshore Sand as a Fine Aggregate for Concrete …
Offshore Sand as a Fine Aggregate for Concrete Production . D. A. R. Dolage 1*, M. G. S. Dias 2 and C. T. Ariyawansa 3. 1 Department of Civil Engineering, The Open University of Sri Lanka, Nawala, Sri Lanka. 2 Engineering Division, stone Development Authority, Colombo, Sri Lanka.
Use of Foundry Sand as Partial Replacement of …
Use of certain percentage of foundry sand as alternative for natural fine aggregate to produce concrete will lead to protect the natural resources, save the environmental system, and promote sustainability in concrete industries.
UTILISATION OF AS GENERATED QUARRY DUST AS A FINE ...
tables 2 and 3, mixes with quarry dust as fine aggregate records higher compressive strength than those that had sand as a fine aggregate for both grades 25 and 30. Quarry dust being a generated material rather than a natural aggregate is well graded and has a rougher surface texture due to crushing.
alternate materials for aggregates « BINQ Mining
Experimental investigation of using slag as an alternative to normal … utilized as coarse and fine aggregates in all the concrete applications. Keywords: Slag aggregate, fine aggregate replacement, alternative materials for concrete. »More detailed
REPLACEMENT OF FINE AGGREGATE WITH JAROFIX IN CONCRETE
for the replacement of fine aggregate in concrete. Aggarwal et al [3] observed that the bottom ash can be replaced as fine aggregate upto 50% without affecting the properties of concrete. Siva et al. [25] had done experimental investigation on partial replacement of fine aggregate using crushed spent fire bricks.
Sawdust as an Alternative Material for Sand in …
Two sets of mixture with six samples of each for a total of 12 samples were prepared and tested. Findings of the study revealed that the concrete mixture using sawdust is comparable to the compressive strength of concrete mixture using sand as fine aggregate. Thus, the sawdust can be considered as an alternative for sand as fine aggregate.
Concrete using agro-waste as fine aggregate for ...
Bulk density of GNS (254.55 kg/m 3), SDA (1250 kg/m 3) and WGR (535 kg/m 3) is very much smaller than the range of sand (1428–1744) which indicates that the agro-waste contains more voids in comparison to the conventional fine aggregate and it can adversely affect the workability, strength and durability of the agro-based concrete or mortar.
Replacement of Fine Aggregate by M-Sand
concrete manufacturers to look for suitable alternative fine aggregate. One such alternative is “manufactured sand”. Workability strength and durability of concrete with manufactured sand as replacement to natural sand in proportions of 0%, 5%, 10%, 15%, 20% and 25% is studied. The experiments were conducted on M20 concrete grade.