Recycling stone powder as a partial substitute for …
1. Introduction. As one of the most energy-intensive industries, the construction industry consumes approximately 33 % of the world's energy annually and produces one-third of global carbon emissions to the environment [1, 2].Concrete is the most widespread material in construction industries, the production of which also consumes massive natural …
Sulfate Corrosion Resistance of Reclaimed Coal Gangue Sand Concrete …
Reclaimed coal gangue sand/stone produced by calcination, crushing, screening and other processes of bulk solid waste coal gangue has been used as a substitute for natural sand and gravel as fine/coarse aggregates in the field of building materials, which not only makes up for the shortage of natural sand and gravel supply, …
Rice study shows coal-based product could replace sand in …
According to a 2022 United Nations report, this escalating demand for sand, coupled with population growth and urban expansion, could soon trigger a "sand crisis." …
High-strength rice husk ash concrete incorporating quarry …
Research highlights Quarry dust (QD) used as partial substitute of sand, and RHA as cement replacement. QD obtained as a by-product from the crushing process of granites. RHA enhanced the hardened mechanical properties of concrete. Minor decline in mechanical properties were observed due to QD inclusion. QD can be a viable …
Six Sustainable Alternatives to Traditional Concrete (and …
Hemp concrete or hempcrete uses hemp hurds and binds them with lime, water and additives like sand to make the concrete alternative. Hempcrete uses much less water than typical concrete and is much lighter, making it easier for construction crews to handle. In construction, contractors often use hempcrete for insulation.
What are the Materials for Replacement of Sand in Concrete?
F.M of Ideal fine aggregate for concrete applications are in range of 2.6 to 2.9. Fine sand (lower F.M Value ) reduces the sand requirement % in the total aggregate proportion. On the other hand, coarser sand will require higher sand % in the total aggregate proportion to give a cohesive concrete mix consuming least cement.
4 Promising Alternatives to Concrete
Here are four promising alternatives to concrete with the potential to transform the future of construction: 1. Hempcrete. Hempcrete is a bio-composite …
Rice study shows coal-based product could replace sand in concrete
According to a 2022 United Nations report, this escalating demand for sand, coupled with population growth and urban expansion, could soon trigger a "sand crisis." Applying its signature Joule-heating technique to metallurgical coke, the Tour lab has created a type of graphene that could serve as a substitute for sand in concrete.
Producing sustainable concrete with plastic waste: A review
A study (Pacheco-Torgal, 2019) reported the effect of polyethylene terephthalate (PET) from plastic bottles as a partial substitute for sand (up to 50%) in concrete. As a common conclusion, recycled PET can be utilized in eco-friendly concrete production at certain replacement rates.
Assessment of M-sand as potential substitute of natural river sand …
The paper presents results of study on concrete using quarry dust to replace sand at levels of 0%, 25%, and by weight. Design mixes were prepared to achieve concrete grades C25, C30, C35, C40 ...
Coal-based product could replace sand in concrete
"We compared concrete made using the graphene aggregate substitute with concrete made using suitable sand aggregates, and we found our concrete is 25% lighter but just as tough."
Effect of graphite tailings as substitute sand on
This study presents the various properties of concrete with sand and its alternatives such as physical and mechanical characteristics of concrete. it is concluded that the highest substitute rate ...
Effect of graphite tailings as substitute sand on mechanical …
DOI: 10.1080/19648189.2020.1763476 Corpus ID: 219426268; Effect of graphite tailings as substitute sand on mechanical properties of concrete @article{Liu2020EffectOG, title={Effect of graphite tailings as substitute sand on mechanical properties of concrete}, author={Hongbo Liu and Jing Xue and Ben Li and Junfeng Wang and Xuetao Lv and …
Spent coffee grounds could get a second life as sturdy concrete …
Coffee could serve as a green substitute for some of the sand in concrete. DepositPhotos. Share. Humans are predicted to go through nearly 175 million bags of coffee over the next year, ...
Utilizing Waste Glass as A Sustainable Substitute for …
products and local concrete production (Saritha, Haripriya, Harshini, & Reddy, 2018). Crushed and screened waste glass is a strong, reliable, and cost-effective substitute for sand in concrete. When processed right, crushed glass can mimic gravel or sand properties. For construction, glass needs crushing
ASSESSMENT OF M-SAND AS POTENTIAL SUBSTITUTE …
ASSESSMENT OF M-SAND AS POTENTIAL SUBSTITUTE FOR NATURAL SAND IN CONCRETE Shivang Jayswal1, Mahesh Mungule2 1Research Scholar, Deptt. of Civil Engg., IITRAM, Ahmedabad, jayswalshivang@gmail
Performance based evaluation of ISF slag as a substitute of …
Acknowledgments This work is a part of project entitled "Durability of concrete containing zinc slag as partial replacement of sand" sanctioned by The Department of Science and Technology, New Delhi, under Please cite this article in press as: Tripathi, B., Chaudhary, S., Performance based evaluation of ISF slag as a substitute of natural ...
Effect of graphite tailings as substitute sand on mechanical properties
Effect of graphite tailings as substitute sand on mechanical properties of concrete Hongbo Liu a School of Civil Engineering, HeilongJiang University, Harbin, Heilongjiang, China;b Ministry of Education of People's Republic of China, Key Laboratory of Functional Inorganic Material Chemistry, Harbin, Heilongjiang, P.R. China View further ...
Concrete: Cement Substitutes
To varying degrees, cement substitutes work in two ways: • First, they hydrate and cure like portland cement. • Second they are "pozzolans," providing silica that reacts with hydrated lime, an unwanted by-product of concrete curing. Pulverised Fuel Ash (PFA), aka 'Fly ash' as a cement substitute.
Application of Granite Fines to Substitute Sand in Concrete …
The exhaustion of major sources of natural sand (NS) around the globe, compounded with environmental and ecological considerations, has motivated the use of alternative materials for sustainable concrete construction (Xiao et al. 2012; Thomas et al. 2013; Guo et al. 2018; Strukar et al. 2019).At the same time, a huge amount of granite …
Can a Brick Be Used as a Substitute for Sand in Concrete?
To effectively use brick as a substitute for sand in concrete, it is essential to: Conduct thorough material testing to understand the specific properties of the brick being used. …
Performance of recycled waste glass sand as partial replacement of sand
1. Introduction. The construction sector experiences a growing demand for concrete due to rapid infrastructure development. This development accelerates concrete production upwards of 25 million cubic meters each year in Australia [1] as well as leads to massive extraction of natural resources such as natural aggregate. Sand and gravel are …
MANUFACTURED SAND AS A SUBSTITUTE FOR NATURAL SAND IN CONCRETE
M-sand has been utilized in different engineering applications, for instance in masonry mortar, light weight concrete and commercial concrete production. The main focus of this experimental study is the comparison between the engineering characteristics and strength considerations of hardened M sand concrete and natural sand concrete. 2.
Use of Waste Plastic as Fine Aggregate Substitute in Concrete
In the last decades, past research has investigated plastic waste as a substitute for the natural sand aggregate (NSG) in concrete mixtures with a partial or complete replacement.
Coal bottom ash as sand replacement in concrete: A review
There are interesting review papers [24], [30] on the use of bottom ash as sand substitute in concrete. Some appraisals present its effect on plain concrete properties [24], [31], [32], [33], blended cement concrete [34], and other special concrete [35]. Continuous discoveries on performance of this material in fresh, mechanical and …
12 sustainable alternatives to traditional concrete
2. Aggregate replacement (e.g. papercrete) Concrete itself is a mixture of cement, aggregates, and water, so along with alternatives to cement, replacing the fine …
Different Types of Sand and What They Should be Used for
Desert Sand: Sourced from desert areas and not suitable for construction uses due to grains being too fine and overly smoothed at present, although some are developing concrete substitutes using desert sand; Biogenic/ Bio-organic Sand: Sand who's makeup is largely from coral, shells and the skeletons of marine life
Concrete, a Centuries-Old Material, Gets a New Recipe
On any given day, Central Concrete, in San Jose, Calif., does what concrete companies have been doing for centuries: combining sand, gravel, water and cement to create the slurry that is used in ...
6 Polymeric Sand Alternatives
Today, we want to take a quick look at six polymeric sand alternatives that you may want to use instead. 1. Mortar. One alternative you have to polymeric sand is the good old-fashioned mortar. Unlike polymeric sand which consists mainly of sand and binders, mortar consists mainly of cement, lime, and sand.