mining sand as fine aggregate concrete

  • A sustainable solution to excessive river sand mining by

    2022年12月1日  River-sand mining has risen dramatically in the last few decades to fulfil the need for concrete in the building sector. The sand in a river’s bed preserves its

    Charlar en Línea
  • Sand: The Fine Aggregate SpringerLink

    2014年1月1日  That portion of an aggregate passing the 4.75 mm sieve and predominantly retained on the 75 µm sieve is called “fine aggregate” or “sand,” and larger aggregate is

    Charlar en Línea
  • Shrinkage Study and Strength Aspects of Concrete with

    The foundry sand acts partially as a replacement for fine aggregate, with various percentages of replacement such as 10%, 20%, and 30% weight of the fine aggregate,

    Charlar en Línea
  • Influence of marine sand as fine aggregate on mechanical

    2022年3月31日  The demand for fine aggregate has risen drastically due to the fast-growing construction sector in the world, which has subsequently resulted in scarcity of river

    Charlar en Línea
  • Replacement of Sand with Bauxite Mining Waste in

    2019年12月31日  The quantities of sand replaced with bauxite mining waste used are 0, 25, 50, 75 and 100%. Cube, cylinder and beam specimens were molded and cured for 7, 14,

    Charlar en Línea
  • Compressive strength studies of concrete with partial

    2 天之前  Experimental studies were conducted to use ISW and RPW as a replacement for fine aggregate in varying percentages and ISW as a replacement for cement in varying

    Charlar en Línea
  • The effect of coarse aggregate on the bleeding and ...

    2023年3月23日  An experimental study is conducted to investigate the effect of different aggregate types, coarse aggregate content, mass concentration, and cement-sand ratio

    Charlar en Línea
  • Replacement Of River Sand Using Manufactured Sand And ...

    2022年8月18日  River sand is widely used for concrete as fine aggregate. The increased cost of river sand and depletion in ground water table due to illegal sand mining leads 掌

    Charlar en Línea
  • Assessment of Coal Mine Overburden Sand for Use in

    2020年12月12日  The recovered sand named CMOB sand was found suitable for making concrete. The recovered sand was fine grained having fineness modulus of 2.24 and falls

    Charlar en Línea
  • Utilization of tailings in cement and concrete: A review

    The size fractions of tailings are classified as “sand”, ... The use of 10% tailings as fine aggregate in concrete had much the same water permeability ... K. Bailey, M. Bourham, Mechanical and radiation shielding properties of mortars with additive fine aggregate mine waste, Annals of Nuclear Energy 101 (2017) 600-606. 10.1016/j ...

    Charlar en Línea
  • Low-sulfide mining waste rock as aggregates for concrete:

    2023年1月1日  The reuse of fine mining tailings as fine aggregate to replace natural sand in ultra-high-performance concrete was reported inducing an increase in water demand and a decrease in flowability of fresh material [1], ... Compressive strength at 28 and 91 days of concrete made with coarse and fine mining waste rock within the 0.08–20 ...

    Charlar en Línea
  • Utilization of tailings in cement and concrete: A review

    The size fractions of tailings are classified as “sand”, ... The use of 10% tailings as fine aggregate in concrete had much the same water permeability ... K. Bailey, M. Bourham, Mechanical and radiation shielding properties of mortars with additive fine aggregate mine waste, Annals of Nuclear Energy 101 (2017) 600-606. 10.1016/j ...

    Charlar en Línea
  • Influence of marine sand as fine aggregate on mechanical

    2022年3月31日  The demand for fine aggregate has risen drastically due to the fast-growing construction sector in the world, which has subsequently resulted in scarcity of river sand. As a result, concrete production needs to find a replacement for river sand. The use of M-Sand for construction has expanded because of this scarcity.

    Charlar en Línea
  • Assessment of Coal Mine Overburden Sand for Use in

    2020年12月12日  The recovered sand named CMOB sand was found suitable for making concrete. The recovered sand was fine grained having fineness modulus of 2.24 and falls in zone III. Saturated and surface dry loose and compacted bulk density was found to be 1499.44 kg/m3 and 1696.67 kg/m3 respectively.

    Charlar en Línea
  • Index Terms IJSER

    2023年2月7日  atural Sand is being used as fine aggregate in concrete making and is preferred as fine aggregate. It is mostly mined from the river beds and indiscriminate mining of sand has reportedly causing damages to the environment. We also see that dependency on this source has led to high material costs also. Now there is h igh scarcity of natural

    Charlar en Línea
  • The effect of coarse aggregate on the bleeding and ...

    2023年3月23日  An experimental study is conducted to investigate the effect of different aggregate types, coarse aggregate content, mass concentration, and cement-sand ratio on the bleeding rate and mechanical properties of cemented paste backfill (CPB). Replacing river sand with unclassified tailing can significantly reduce the bleeding rate. The addition

    Charlar en Línea
  • Introduction to Quarry-Dust as Partial Replacement

    2020年5月19日  quarry dust as fine aggregate: effect on compressive strength , durability and workability of concrete. The experimental study done by R Chandana Sukesh, Katakam Bala Krishna, P.Sri Lakshmi Sai Teja, S.Kanakambara Rao.[6] in which replacement of the sand with quarry dust shows an improvement in the compressive strength of the concrete.

    Charlar en Línea
  • (PDF) EFFECT ON COMPRESSIVE STRENGTH OF CONCRETE

    The following tests on fine 4 40% river 12.7 26.96 aggregate were done based on IS 2386-1968 (Part 3) sand and 60% sea sand Table -3: Properties of Fine aggregate 5 20% river 10.57 39.21 S.NO Particulars of test Test results sand and 80% 1 Specific gravity 2.56 sea sand 2 Fineness modulus 3.4% 6 100% sea sand 9.62 44.68 3 Bulking of sand 4% 4 ...

    Charlar en Línea
  • Replacement Of River Sand Using Manufactured Sand And ...

    2022年8月18日  River sand is widely used for concrete as fine aggregate. The increased cost of river sand and depletion in ground water table due to illegal sand mining leads 掌桥科研 一站式科研服务平台 学术工具 文档翻译 收录引证 论文查重 文档转换 科技查新 期刊发表

    Charlar en Línea
  • Low-sulfide mining waste rock as aggregates for concrete:

    2023年1月1日  The reuse of fine mining tailings as fine aggregate to replace natural sand in ultra-high-performance concrete was reported inducing an increase in water demand and a decrease in flowability of fresh material [1], ... Compressive strength at 28 and 91 days of concrete made with coarse and fine mining waste rock within the 0.08–20 ...

    Charlar en Línea
  • Utilization of tailings in cement and concrete: A review

    The size fractions of tailings are classified as “sand”, ... The use of 10% tailings as fine aggregate in concrete had much the same water permeability ... K. Bailey, M. Bourham, Mechanical and radiation shielding properties of mortars with additive fine aggregate mine waste, Annals of Nuclear Energy 101 (2017) 600-606. 10.1016/j ...

    Charlar en Línea
  • Influence of marine sand as fine aggregate on mechanical

    2022年3月31日  The demand for fine aggregate has risen drastically due to the fast-growing construction sector in the world, which has subsequently resulted in scarcity of river sand. As a result, concrete production needs to find a replacement for river sand. The use of M-Sand for construction has expanded because of this scarcity.

    Charlar en Línea
  • Materials Free Full-Text Effect of Different Fine

    2023年3月3日  Sand concrete is a new type and special composite material [1,2,3], which has attracted widespread attention due to its excellent mechanical properties and low self-weight relatively.These excellent properties are achieved by means of using fine aggregates and reactive fillers to enhance the close packing between particles [4,5].More hydration

    Charlar en Línea
  • UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT

    2019年4月21日  conventional sand. Determining the strength properties of concrete for 3, 7, 28 and 56days. Development of fatigue model by log normal distribution and comparing with IRC. 2. LITERATURE REVIEW 2.1 General An attempt is made with Iron Ore Tailings as a partial replacement of fine aggregate in the concrete. The main aim

    Charlar en Línea
  • (PDF) Use of Gold Mine Tailings in Production of Concrete

    Fine aggregate (sand) was replaced with six percentages (15%, 30%, 45%, 60%, 80% and 100%) of LD Slag by volume in M40 grade of concrete with water-cement ratio (w/c) 0.4. The test results indicated that fine aggregate replacement using 45 percent LD Slag showed a better performance compared to control mix.

    Charlar en Línea
  • The effect of coarse aggregate on the bleeding and ...

    2023年3月23日  An experimental study is conducted to investigate the effect of different aggregate types, coarse aggregate content, mass concentration, and cement-sand ratio on the bleeding rate and mechanical properties of cemented paste backfill (CPB). Replacing river sand with unclassified tailing can significantly reduce the bleeding rate. The addition

    Charlar en Línea
  • (PDF) EFFECT ON COMPRESSIVE STRENGTH OF CONCRETE

    The following tests on fine 4 40% river 12.7 26.96 aggregate were done based on IS 2386-1968 (Part 3) sand and 60% sea sand Table -3: Properties of Fine aggregate 5 20% river 10.57 39.21 S.NO Particulars of test Test results sand and 80% 1 Specific gravity 2.56 sea sand 2 Fineness modulus 3.4% 6 100% sea sand 9.62 44.68 3 Bulking of sand 4% 4 ...

    Charlar en Línea
  • Fine aggregate: Understanding its role in

    2023年2月22日  The use of fine aggregates helps the mixture to sustain its dimensions. The use of fine aggregate has the potential to affect both the elastic properties and the damage tolerance of the concrete. The quality

    Charlar en Línea
  • Investigation of Properties of Concrete Using Sawdust as

    2021年3月11日  aggregate for the production of lightweight concrete (Adewuyi and Adegoke, 2008). The most widely used fine aggregate for the making of concrete is the natural sand mined from the riverbeds. However, the availability of river sand for the preparation of concrete is becoming scarce due to the excessive nonscientific methods of

    Charlar en Línea
ver más