Description:BACKGROUND
Field of Invention
[001] Embodiments of the present invention generally relate to a concrete composition, particularly to a concrete composition having a reduced dead load and an impact of seismic load in construction applications.
Description of Related Art
[002] In field of construction and concrete manufacturing, numerous studies have been conducted to explore potential alternatives to traditional coarse and fine aggregates in concrete production. This research aims to discover solutions for enhancing the properties of concrete materials.
[003] One notable area of interest is the utilization of waste materials as eco-friendly resources for concrete production. Among these waste materials, wood waste stands out as a sustainable option that can be incorporated into concrete mixes to create a product known as "timberCrete." This approach involves replacing natural aggregates with wood waste and holds the promise of producing lightweight concrete.
[004] Lightweight concrete is particularly desirable in the construction industry because it offers advantages such as reduced dead load and enhanced resistance to seismic forces. These benefits make lightweight concrete a valuable choice for various construction applications.
[005] It is worth noting that, to the best of the inventor's knowledge, there are currently no commercially available products or solutions that address the specific needs and advantages of the innovation described herein.
[006] In light of the aforementioned challenges and opportunities in the field of concrete production, there exists a clear demand for an improved concrete material that can effectively address the limitations of traditional approaches more efficiently and sustainably.
[007] There is thus a need for an improved concrete material that can administer the aforementioned limitations in a more efficient manner.
SUMMARY
[008] Embodiments in accordance with the present invention provide a concrete composition. The concrete composition comprising: a binder material comprising an ordinary Portland cement. The concrete composition further comprising: fine aggregates comprising Manufactured sand (M-sand). The concrete composition further comprising: coarse aggregates comprising the Prosopis juliflora stem as a partial replacement material in a range of 2.5% to 12.5%. The Prosopis juliflora stem has an average dried weight of 800 kilograms per cubic meter (kg/m³) with a moisture content of 12%. The concrete composition further comprising: a superplasticizer Conplast SP-430 to enhance workability, wherein the concrete composition (100) achieves a target compressive strength of 20 Megapascals (MPa).
[009] Embodiments in accordance with the present invention further provide a method for producing concrete composition using Prosopis juliflora stem. The method comprising steps of: mixing an Ordinary Portland Cement (OPC), fine aggregate, and coarse aggregates to obtain a concrete mix; replacing coarse aggregates with the Prosopis juliflora stem in the concrete mix by ensuring an average dried weight of Prosopis juliflora stem is 800 kilograms per cubic meter (kg/m³) with a moisture content of 12%; incorporating Manufactured Sand (M-sand) as fine aggregate, with a specific gravity of 2.67 in the concrete mix, mixing superplasticizer Conplast SP-430 to enhance a workability of the concrete mix; adding water, and curing the concrete mix with added water for 7, 14, and 28 days; and obtaining the concrete composition on achieving a target compressive strength of 20 Megapascals (MPa), and a reduction in concrete weight up to 40% upon curing the concrete mix.
[0010] Embodiments of the present invention may provide a number of advantages depending on their particular configuration. First, embodiments of the present application may provide a concrete composition and a method for producing concrete composition using Prosopis juliflora stem.
[0011] Next, embodiments of the present application may provide enhanced structural stability, reducing the susceptibility of the construction to seismic loads and enhancing its safety and durability.
[0012] Next, embodiments of the present application may provide an environmentally friendly solution by utilizing Prosopis juliflora stem as a renewable and abundant resource for concrete production.
[0013] Next, embodiments of the present application may provide improved workability during the concrete mix preparation, enabling efficient construction processes and reducing labor efforts.
[0014] Next, embodiments of the present application may provide cost-effective solutions for construction projects by utilizing Prosopis juliflora stem as a partial replacement for traditional coarse aggregates, thus potentially reducing overall project costs.
[0015] Next, embodiments of the present application may provide concrete compositions with excellent fire resistance and reduced vulnerability to fire damage.
[0016] Next, embodiments of the present application may provide concrete compositions with enhanced acoustic insulation properties, making them suitable for sound-sensitive applications in construction.
[0017] These and other advantages will be apparent from the present application of the embodiments described herein.
[0018] 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
[0019] 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:
[0020] FIG. 1 illustrates a schematic diagram of a concrete composition, according to an embodiment of the present invention;
[0021] FIG. 2 illustrates a graph for a replacement of the Prosopis juliflora stem Vs a Compressive strength of the concrete composition, according to an embodiment of the present invention; and
[0022] FIG. 3 depicts a flowchart of a method for producing the concrete composition using the Prosopis juliflora stem, according to an embodiment of the present invention.
[0023] 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
[0024] 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 scope of the invention as defined in the claims.
[0025] 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.
[0026] 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.
[0027] FIG. 1 depicts a schematic diagram of a concrete composition 100, according to an embodiment of the present invention. The concrete composition 100 may be prepared by utilizing a Prosopis juliflora stem 102, according to an embodiment of the present invention. The Prosopis juliflora stem 102 may be utilized as a partial replacement for coarse aggregates in the concrete composition 100. In an embodiment of the present invention, a Modulus of Rupture (MOR) of the Prosopis juliflora stem 102 may be determined to be 115 Megapascals (MPa). The Elastic Modulus (EM) of the stem may be approximately 12.13 gigapascals (GPa), along with a notable crushing strength of 67.3 MPa.
[0028] The Prosopis juliflora stem 102 may exhibit a radial shrinkage of 4.6%, tangential shrinkage of 8.1%, and volumetric shrinkage of 12.6%, with a T/R (Tangential/Radial) ratio of 1.8. The chemical composition of the Prosopis juliflora stem 102 may reveal a content of Calcium Oxide (CaO) at 44%, Magnesium Oxide (MgO) at 6.5%, Silicon Dioxide (SiO2) at 4.5%, and Sulphur (S) at 0.21%. This unique composition and physical properties of the Prosopis juliflora stem 102 may render it highly suitable for utilization as an alternative to traditional coarse aggregates, owing to its high calorific value, low moisture content, and substantial fixed carbon content.
[0029] The Prosopis juliflora stem 102 may provide a sustainable and abundant alternative to conventional coarse aggregates, contributing to environmental sustainability by utilizing a renewable resource. Moreover, the utilization of the Prosopis juliflora stem 102 may assist in reducing the weight of the concrete composition 100, thereby enhancing its handling, transportation, and overall performance in construction applications.
[0030] The concrete composition 100 may comprise a concrete mix 104 that may be cured for a curing duration. The concrete mix 104 of the concrete composition 100 may comprise a binder material comprising an ordinary Portland cement, fine aggregates comprising Manufactured Sand (M-sand), a coarse aggregates comprising the Prosopis juliflora stem 102, Manufactured Sand, a superplasticizer Conplast, and water according to the embodiment of the present invention.
[0031] In an embodiment of the present invention, the ordinary Portland cement added in the concrete mix 104 may be used with a specific gravity of 3.15,1.82 fineness modulus, an initial and a final setting time of 32 and 570 minutes respectively. The fine aggregates confirming zone II according to IS 383 – 1970 may be used. An amount of the ordinary Portland cement may be 450.74 kilograms per cubic meter (kg/m3), according to a preferred embodiment of the present invention.
[0032] In an embodiment of the present invention, an amount of the course aggregates may be 1261.85 kilograms per cubic meter (kg/m3). In an embodiment of the present invention, the amount of the Prosopis juliflora stem 102 that may be utilized for replacing the course aggregates may be 31.55 kilograms per cubic meter (kg/m3). In another embodiment of the present invention, the Prosopis juliflora stem 102 may be utilized in a range of 2.5% to 12.5% of the concrete mix 104. Embodiments of the present invention are intended to include or otherwise cover any range of the Prosopis juliflora stem 102, including known, related art, and/or later developed technologies. In an embodiment of the present invention, the Prosopis juliflora stem 102 may have an average dried weight of 800 kilograms per cubic meter (kg/m³) with a moisture content of 12%. Embodiments of the present invention are intended to include or otherwise cover any dried weight of the Prosopis juliflora stem 102, including known, related art, and/or later developed technologies.
[0033] In an embodiment of the present invention, the Fine aggregates may be incorporated in an amount of 709.61 kilograms per cubic meter (kg/m3) 709.61 kilograms per cubic meter (kg/m3). The incorporation of the Manufactured Sand (M-sand) as the fine aggregates may further optimize the concrete composition 100. The M-sand, with its specific gravity of 2.67, may ensure a desired density and texture of the concrete. A controlled flow of the concrete mixture 104 may ensure a uniform distribution and consolidation, resulting in a finished product with enhanced aesthetics and structural integrity.
[0034] In an embodiment of the present invention, the Manufactured Sand (M-sand) may be sourced from Karur, Tamil Nadu, as per IS 383-1970. Embodiments of the present invention are intended to include or otherwise cover any source of the Manufactured Sand (M-sand), including known, related art, and/or later developed technologies. In an embodiment of the present invention, a combination of the M-sand and the Prosopis juliflora stem 102 may achieve a target compressive strength of 20 Megapascals (MPa), meeting the stringent standards and requirements of modern construction projects.
[0035] The superplasticizer Conplast may be of grade SP-430 that may be used to enhance workability. By adding the superplasticizer Conplast, the concrete composition 100 may achieve a target compressive strength of 20 Megapascals (MPa), according to an embodiment of the present invention. Embodiments of the present invention are intended to include or otherwise cover any grade of the superplasticizer Conplast, including known, related art, and/or later developed technologies.
[0036] The concrete composition 100 may comprise the superplasticizer Conplast in the range of 0.5 to 2%. The superplasticizer Conplast may be added 2.36 g/m3 in the concrete mix 104, according to a preferred embodiment of the present invention. In another preferred embodiment of the present invention, the superplasticizer Conplast may be 1% in the concrete composition 100. Embodiments of the present invention are intended to include or otherwise cover any percentage (%) of the superplasticizer Conplast, including known, related art, and/or later developed technologies.
[0037] The water may be added in the concrete mix 104 in an amount of 157.76 liter per meter cube (lit/m3), in a preferred embodiment of the present invention. This precise amount of the water may be calculated to ensure a desired workability and hydration of the concrete mix 104, allowing for optimal bonding and strength properties to be achieved. In another embodiment of the present invention, the percentage of water may be ranging from 1% to 10%. Embodiments of the present invention are intended to include or otherwise cover any percentage (%) of the water, including known, related art, and/or later developed technologies.
[0038] According to the embodiments of the present invention, the concrete composition 100 produced may have characteristics that exhibit an enhanced structural stability, a reduced dead load, and an improved thermal conductivity, making it suitable for diverse construction applications. The concrete composition 100 produced may exhibit excellent workability, achieving a slump flow test value of 100 millimeters (mm), thus facilitating efficient construction processes.
[0039] In an embodiment of the present invention, the concrete composition 100 using Prosopis juliflora stem 102 as a partial replacement for coarse aggregate, as described herein, may present a revolutionary approach to sustainable construction. The concrete composition 100 may offer a promising solution to the challenges posed by traditional concrete manufacturing, paving the way for a more sustainable and efficient future in the construction industry. These characteristics may be a result of the careful selection and combination of materials, including the use of the Prosopis juliflora stem 102 as a partial replacement for traditional coarse aggregate. The unique blend of components in the concrete composition 100 ensures a balance between a strength, a workability, and a sustainability, meeting demands of modern construction projects. The concrete composition 100 produced may further exhibit excellent workability, achieving a slump flow test value of 100 millimeters (mm), thus facilitating efficient construction processes. The optimal mix proportions and the addition of superplasticizer Conplast SP-430 contribute to this improved workability, allowing for precise molding and shaping of the concrete during construction, in an embodiment of the present invention.
[0040] FIG. 2 illustrates a graph for a replacement of the Prosopis juliflora stem 102 Vs the Compressive strength of the concrete composition 100, according to an embodiment of the present invention. In an embodiment of the present invention, As shown in FIG. 2, an x-axis may represent a percentage of Prosopis juliflora stem that may be used as a replacement for coarse aggregates in the concrete mixture, ranging from 0% to 12.5%. A y-axis represents a corresponding compressive strength of the concrete in MPa.
[0041] The graph may demonstrate a clear trend wherein the compressive strength of the concrete may increase as the percentage of the Prosopis juliflora stem used as a replacement for coarse aggregates may increase. Up to a 10% replacement rate, the compressive strength may steadily increase, reaching a peak at this point. Beyond this threshold, a decline in compressive strength may be observed, indicating an optimal replacement percentage of 10%. Thus, experimental data and the graph presented in the FIG. 2 may validate that the utilization of the Prosopis juliflora stem as a partial replacement for the coarse aggregates in the concrete mix 104 may result in a sustainable and effective solution for achieving target strength in a shorter time frame, making it suitable for construction projects, particularly tall buildings.
[0042] FIG. 3 depicts a flowchart of a method for producing the concrete composition using the Prosopis juliflora stem, according to an embodiment of the present invention.
[0043] At step 302, the concrete composition 100 may be produced by mixing the ordinary Portland cement (OPC), fine aggregates, and coarse aggregates to obtain the concrete mix 104.
[0044] At step 304, the concrete composition 100 is produced by adding the Prosopis juliflora stem 102 as the replacement of the coarse aggregates within the concrete mix 104 by ensuring an average dried weight of the Prosopis juliflora stem 102 is 800 kilograms per cubic meter (kg/m³) with a moisture content of 12%.
[0045] At step 306, the concrete composition 100 may be produced by incorporating the Manufactured Sand (M-sand) as fine aggregate, with a specific gravity of 2.67 in the concrete mix 104.
[0046] At step 308, the concrete composition 100 may be produced by mixing the superplasticizer Conplast SP-430 to enhance the workability of the concrete mix 104.
[0047] At step 310, the concrete composition 100 may be produced by curing the concrete mix 104 for the curing duration selected from 7, 14, and/or 28 days.
[0048] At step 312, the concrete composition 100 may be obtained on achieving the target compressive strength of 20 Megapascals (MPa), and the reduction in the concrete weight up to 40% upon curing the concrete mix 104.
[0049] 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 scope of the appended claims.
[0050] 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 of 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 concrete composition (100) using a Prosopis juliflora stem (102), the concrete composition (100) comprising:
a binder material comprising an ordinary Portland cement;
fine aggregates comprising Manufactured sand (M-sand);
coarse aggregates comprising the Prosopis juliflora stem (102) as a partial replacement material in a range of 2.5% to 12.5%, wherein the Prosopis juliflora stem (102) having an average dried weight of 800 kilograms per cubic meter (kg/m³) with a moisture content of 12%; and
a superplasticizer Conplast to enhance workability, wherein the concrete composition (100) achieves a target compressive strength of 20 Megapascals (MPa).
2. The concrete composition (100) as claimed in claim 1, wherein the concrete composition (100) includes 1% of the superplasticizer Conplast.
3. The concrete composition (100) as claimed in claim 1, wherein the Prosopis juliflora stem (102) has a Modulus of Rupture (MOR) of 115 Megapascals (MPa), an Elastic Modulus (EM) of 12.13 Gigapascals (GPa), and a crushing strength of 67.3 Megapascals (MPa).
4. The concrete composition (100) as claimed in claim 1, wherein the Prosopis juliflora stem (102) has a calorific value of 4120 kilocalories per kilogram (kcal/kg).
5. The concrete composition (100) as claimed in claim 1, wherein the concrete composition (100) achieves a slump flow test value of 100 millimetres (mm), indicating good workability.
6. The concrete composition (100) as claimed in claim 1, wherein the concrete composition (100) significantly reduces a dead load and an impact of seismic load in construction applications.
7. A method for producing concrete composition (100) using Prosopis juliflora stem (102), comprising:
mixing an ordinary Portland cement (OPC), fine aggregate, and coarse aggregates to obtain a concrete mix (104);
replacing coarse aggregates with the Prosopis juliflora stem (102) in the concrete mix (104) by ensuring an average dried weight of Prosopis juliflora stem (102) is 800 kilograms per cubic meter (kg/m³) with a moisture content of 12%;
incorporating a Manufactured Sand (M-sand) as fine aggregate, with a specific gravity of 2.67 in the concrete mix (104);
mixing a superplasticizer Conplast to enhance a workability of the concrete mix (104);
mixing water, and curing the concrete mix (104) with water for a curing duration; and
obtaining the concrete composition (100) on achieving a target compressive strength of 20 Megapascals (MPa), and a reduction in concrete weight up to 40% upon curing the concrete mix (104).
8. The method as claimed in claim 7, wherein the Prosopis juliflora stem (102) is used as a partial replacement material for coarse aggregates in the range of 2.5% to 12.5%, with an optimum replacement rate of 10%.
9. The method as claimed in claim 7, wherein the concrete mix (104) includes 1% of superplasticizer Conplast.
10. The method as claimed in claim 7, wherein the concrete mix (104) achieves a slump flow test value of 100 millimeters (mm), indicating good workability.
Date: Octobver 12, 2023
Place: Noida

Nainsi Rastogi
Patent Agent (IN/PA-2372)
Agent for the Applicant