Description:BACKGROUND
Field of Invention
[001] Embodiments of the present invention generally relates to a building construction material and more particularly to a formulation of fine aggregate using demolished materials.
Description of Related Art
[002] Fine aggregate plays an essential role in the production of concrete, mortar, and other construction materials. Its primary function is to fill the gaps between the larger aggregate particles, improving the workability, strength, and durability of the final product. The demand for fine aggregate has risen considerably with the growth of the construction industry, leading to the extensive excavation of natural sand sources, which, in turn, has had significant environmental and economic consequences.
[003] In addition, there are challenges associated with the use of natural sand as fine aggregate which includes adverse impact on river ecosystems, as extraction often involves dredging riverbeds. This process leads to habitat disruption, reduced water quality, and an increased risk of flooding in adjacent areas. Additionally, transporting sand from remote locations to construction sites increases carbon emissions due to long-haul transportation.
[004] However, to mitigate these environmental concerns and to promote more sustainable construction practices, there is a growing need to explore alternative sources for fine aggregate. One possible source is the use of demolished materials, which includes materials obtained from the demolition of old buildings and structures. These materials are often discarded as waste, contributing to landfill problems and wasting valuable resources.
[005] There is thus a need for a formulation that can overcome the limitations of the prior art in a more efficient manner.
SUMMARY
[006] Embodiments in accordance with the present invention provide a formulation of fine aggregates, the formulation comprising: a concrete material; a demolished materials in a proportion ranging from 0.2% to 31% of fine aggregates; and a 0.6% fiber incorporated within the concrete material, wherein the fiber is added as an additive to enhance a thermal and acoustic insulation properties of the formulation.
[007] Embodiments in accordance with the present invention provide a method for preparing a formulation of fine aggregate, comprising steps of: preparing a concrete material; incorporating demolished materials in a proportion ranging from 0.2 percentage (%) to 31 percentage (%) by fine aggregates size as a replacement for a portion of the fine aggregates in the concrete material; adding 0.6 percentage (%) fiber as an additive to the concrete material; and mixing the concrete material, the demolished materials, and the fiber to obtain the formulation.
[008] Embodiments of the present invention may provide a number of advantages depending on its particular configuration. First, embodiments of the present application may provide a formulation of fine aggregates using demolished materials for building construction.
[009] Next, embodiments of the present application may provide a formulation of fine aggregates that is environment friendly.
[0010] Next, embodiments of the present application may provide a cost-effective formulation of fine aggregates.
[0011] Next, embodiments of the present application may provide a sustainable formulation of fine aggregates.
[0012] Next, embodiments of the present application may provide a method for preparing a formulation of fine aggregates that is easy to reproduce.
[0013] The preceding is a simplified summary to provide an understanding of some embodiments of the present invention. This summary is neither an extensive nor exhaustive overview of the present invention and its various embodiments. The summary presents selected concepts of the embodiments of the present invention in a simplified form as an introduction to the more detailed description presented below. As will be appreciated, other embodiments of the present invention are possible utilizing, alone or in combination, one or more of the features set forth above or described in detail below.
BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The above and still further features and advantages of embodiments of the present invention will become apparent upon consideration of the following detailed description of embodiments thereof, especially when taken in conjunction with the accompanying drawings, and wherein:
[0015] FIG. 1A illustrates a formulation, according to an embodiment of the present invention; and
[0016] FIG. 2 depicts a flowchart of a method for preparing the formulation of fine aggregates using demolished materials, according to an embodiment of the present invention.
[0017] The headings used herein are for organizational purposes only and are not meant to be used to limit the scope of the description or the claims. As used throughout this application, the word "may" is used in a permissive sense (i.e., meaning having the potential to), rather than the mandatory sense (i.e., meaning must). Similarly, the words “include”, “including”, and “includes” mean including but not limited to. To facilitate understanding, like reference numerals have been used, where possible, to designate like elements common to the figures. Optional portions of the figures may be illustrated using dashed or dotted lines, unless the context of usage indicates otherwise.
DETAILED DESCRIPTION
[0018] The following description includes the preferred best mode of one embodiment of the present invention. It will be clear from this description of the invention that the invention is not limited to these illustrated embodiments but that the invention also includes a variety of modifications and embodiments thereto. Therefore, the present description should be seen as illustrative and not limiting. While the invention is susceptible to various modifications and alternative constructions, it should be understood, that there is no intention to limit the invention to the specific form disclosed, but, on the contrary, the invention is to cover all modifications, alternative constructions, and equivalents falling within the spirit and scope of the invention as defined in the claims.
[0019] In any embodiment described herein, the open-ended terms "comprising", "comprises,”, and the like (which are synonymous with "including,", "having”, and "characterized by") may be replaced by the respective partially closed phrases "consisting essentially of,", “consists essentially of,", and the like or the respective closed phrases "consisting of", "consists of”, the like.
[0020] As used herein, the singular forms “a”, “an”, and “the” designate both the singular and the plural, unless expressly stated to designate the singular only.
[0021] FIG. 1 illustrates a formulation 100, according to an embodiment of the present invention. The formulation 100 may be constructed using waste and recycled material to represent a promising development in sustainable building practices. According to an embodiment of the present invention, the formulation 100 may be used in construction materials such as, but not limited to, road materials, pavement construction materials, building blocks, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the construction materials, including known, related art, and/or later developed technologies.
[0022] According to an embodiment of the present invention, the formulation 100 may be shaped in distinct forms to form a street block or a building block. The distinct forms may be, but not limited to, a square shape, a rectangular shape, a star shape, a round shape, and so forth, according to an embodiment of the present invention. Embodiments of the present invention are intended to include or otherwise cover any type of distinct forms, including known, related art, and/or later developed technologies.
[0023] The concrete material 102 may be premixed in proportionate amounts for forming a structural foundation of the formulation 100 and may be responsible for its strength and durability. The proportionate amounts and compositions of elements of the concrete material 102 may be carefully calibrated to achieve desired characteristics and performance of the formulation 100, in an embodiment of the present invention.
[0024] In an embodiment of the present invention, the formulation 100 may comprise demolished materials 104 in a proportion ranging from 0.2 percentage (%) to 31 percentage (%) of a fine aggregate. According to an embodiment of the present invention, the demolished materials 104 may be sourced from various origins such as, but not limited to, construction and demolition sites, woodworking operations, factory waste facilities, tree pruning or removal, industrial processing plants, and so forth. The demolished materials 104 may encompass a wide range of materials such as, but not limited to, wood scraps, a sawdust, concrete debris, brick rubble, ceramic fragments, wood, paper, metal, insulation, glass, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the demolished materials 104, including known, related art, and/or later developed technologies.
[0025] The demolished materials 104 may be added in a predefined particle size, tailored to suit the specific requirements of the concrete material 102. This particle size can vary based on the intended application and desired properties as per construction requirements. For instance, the particles of the demolished materials 104 may range from fine to coarse to achieve a balance between structural reinforcement and workability during the construction process. The size of the particles of the demolished materials 104 may typically fall within a range of 1 millimeter to 20 millimeters, allowing for effective integration into the concrete mixture. Embodiments of the present invention are intended to include or otherwise cover any size of the particles of the demolished materials 104, including known, related art, and/or later developed technologies.
[0026] The demolished materials 104 may be strategically incorporated into the concrete material 102 as a replacement for the fine aggregates. In an embodiment of the present invention, the fine aggregates derived from demolished materials 104 may be manufactured with a lower carbon footprint. In an embodiment of the present invention, the fine aggregates prepared using demolished materials 104 may contribute to sustainable and environmentally responsible construction practices. In an embodiment of the present invention, a use of the demolished materials 104 as a primary component of the fine aggregates reduces the environmental impact associated with natural sand extraction, decreases a depletion of natural resources, and minimizes waste in the construction industry.
[0027] In an embodiment of the present invention, the demolished materials 104 may be added in a proportion ranging from 0.2% to 31% of the fine aggregate into the concrete material 102 for producing the formulation 100. Embodiments of the present invention are intended to include or otherwise cover any proportion of the demolished materials 104, including known, related art, and/or later developed technologies. This integration may involve ensuring a uniform distribution of the particles in the demolished materials 104 to maximize a reinforcing potential while maintaining the overall structural integrity and strength of the formulation 100. By controlling the particle size and distribution, the demolished materials 104 may contribute to a sustainable and efficient use of waste resources in the construction industry.
[0028] In an embodiment of the present invention, the fiber 106 may be added as an additive to enhance thermal and acoustic insulation properties of the formulation 100. In an embodiment of the present invention, an amount of the fiber 106 added as an additive may be 0.6%. Embodiments of the present invention are intended to include or otherwise cover any amount of the fiber 106, including known, related art, and/or later developed technologies.
[0029] Embodiments of the present invention are intended to include or otherwise cover any type of the constituents of the formulation 100, including known, related art, and/or later developed technologies. In an embodiment of the present invention, the fiber 106 may provide reinforcement strength to the binder 110. The fiber 106 may be, but not limited to, steel fiber, polypropylene fiber, glass fiber, asbestos fiber, carbon fiber, and so forth, according to an embodiment of the present invention. In an embodiment of the present invention, the fiber 106 may be synthetic fiber. Embodiments of the present invention are intended to include or otherwise cover any type of the fiber 106, including known, related art, and/or later developed technologies.
[0030] In an embodiment of the present invention, the formulation 100 may further comprise a water reducer 108 that may slow down a setting rate of the formulation 100. The water reducer 108 may be, but not limited to, a water retardant, a lignosulfonate, a hydroxycarboxylic acid, a hydroxylated polymer, a salt of melamine formaldehyde sulfonate, and so forth, according to an embodiment of the present invention. In a preferred embodiment of the present invention, the water reducer 108 may be a superplasticizer. Embodiments of the present invention are intended to include or otherwise cover any type of the water reducer, including known, related art, and/or later developed technologies.
[0031] In an embodiment of the present invention, the concrete material 102 may comprise a mix of a binder 110, chemical admixtures, mineral admixtures, a sand, a water, and so forth. In an embodiment of the present invention, the binder 110 may increase a bonding property of the formulation 100. The binder 110 may be, but not limited to, a vinyl binder, a paper stock binder, a poly-material binder, an asphalt binder, and so forth, according to an embodiment of the present invention. In a preferred embodiment of the present invention, the binder 110 may be the cement. Embodiments of the present invention are intended to include or otherwise cover any type of the binder 110, including known, related art, and/or later developed technologies.
[0032] According to an embodiment of the present invention, the formulation 100 may be characterized by stress properties. In a preferred embodiment of the present invention, the stress properties may be durability test and micro-characterization. Embodiments of the present invention are intended to include or otherwise cover any stress properties, including known, related art, and/or later developed technologies. In an embodiment of the present invention, a target compressive strength (fck) may be set to achieve 30 megapascals (MPa). To attain this strength, a reinforcement strategy may involve three main bars, each with a 10-millimeter diameter, strategically placed within the structural element. These main bars may be integral for withstanding an applied load and ensuring the necessary structural robustness. Additionally, three distribution bars of the same 10-millimeter diameter have been incorporated, enhancing the load-bearing capacity and overall structural integrity. The spacing between these bars may be maintained at 150 millimeters from center to center, ensuring an optimal distribution and alignment of the reinforcement throughout a structural element. This thoughtfully devised reinforcement configuration may be pivotal in meeting stipulated strength requirements while ensuring structural stability and longevity.
[0033] According to an embodiment of the present invention, the formulation 100 may undergo strength testing. In a preferred embodiment of the present invention, the strength testing may involve a tensile strength and a compressive strength. Embodiments of the present invention are intended to include or otherwise cover any strength testing, including known, related art, and/or later developed technologies.
[0034] FIG. 2 depicts a flowchart of a method 200 for preparing the formulation 100, according to an embodiment of the present invention.
[0035] At step 202, the formulation 100 may be prepared by adding the concrete material 102.
[0036] At step 204, the formulation 100 may incorporate the demolished materials 104 in the proportion ranging from 0.2% to 31% as a replacement for a portion of the fine aggregate in the concrete material 102.
[0037] At step 206, the formulation 100 may be prepared by adding the 0.6% fiber 106 as the additive to the concrete material 102.
[0038] At step 208, the formulation 100 may be prepared by mixing the concrete material 102, the demolished materials 104, and the fiber 106 to obtain the formulation 100.
[0039] At step 210, the formulation 100 may be sieved to achieve the particle size distribution suitable for fine aggregate. In an embodiment of the present invention, the sieving may be application specific to enhance its suitability for use in construction materials. In another embodiment of the present invention, diameters of the sieves may range from 200 millimeters to 450 millimeters.
[0040] At step 212, the formulation 100 may be characterized for the durability and the micro-characterization test.
[0041] While the invention has been described in connection with what is presently considered to be the most practical and various embodiments, it is to be understood that the invention is not to be limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
[0042] This written description uses examples to disclose the invention, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. The patentable scope the invention is defined in the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements within substantial differences from the literal languages of the claims. , Claims:CLAIMS:
I/We Claim:
1. A formulation (100) of fine aggregate using demolished materials (104), the formulation comprising:
a concrete material (102);
a demolished materials (104) in a proportion ranging from 0.2% to 31% of a fine aggregate; and
0.6% fiber (106) incorporated within the concrete material (102), wherein the fiber (106) is added as an additive to enhance a thermal and acoustic insulation properties of the formulation (100).
2. The formulation (100) as claimed in claim 1, wherein the demolished materials (104) are selected from aggregates, concrete debris, brick rubble, ceramic fragments, wood, paper, metal, insulation, glass, or a combination thereof.
3. The formulation (100) as claimed in claim 1, wherein the formulation (100) comprises a water reducer (108) selected from a lignosulfonate, a hydroxycarboxylic acid, a hydroxylated polymer, or a combination thereof.
4. The formulation (100) as claimed in claim 1, wherein the concrete material (102) comprises a mix of a binder (110), a sand, a water, a coarse aggregate, chemical admixtures, and mineral admixtures, or a combination thereof.
5. The formulation (100) as claimed in claim 4, wherein the binder (110) may be selected from a cement, a gypsum, a magnesia, a hydrated lime, or a combination thereof.
6. A method (200) for preparing a formulation (100) of fine aggregates using demolished materials (104), comprising steps of:
preparing a concrete material (102);
incorporating demolished materials (104) in a proportion ranging from 0.2 percentage (%) to 31 percentage (%) by fine aggregate size as a replacement for a portion of the fine aggregate in the concrete material (102);
adding 0.6 percentage (%) fiber (106) as an additive to the concrete material (102); and
mixing the concrete material (102), the demolished materials (104), and the fiber (106) to obtain the formulation (100).
7. The method (200) as claimed in claim 6, comprising a step of sieving to achieve a particle size distribution suitable for fine aggregate, thereby enhancing its suitability for use in construction materials.
8. The method (200) as claimed in claim 6, comprising a step of characterizing the formulation (100) for a durability and a micro-characterization test.
Date: November 03, 2023
Place: Noida

Dr. Keerti Gupta
Agent for the Applicant
(IN/PA-1529)