Relevant bibliographies by topics / Light weight concrete with Liapor aggregates

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Light weight concrete with Liapor aggregates'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Light weight concrete with Liapor aggregates"

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Vijayan, D. S., S. Arvindan, D. Parthiban, B. Saravanan, and M. Kalpana. "Natural aggregates used for Light weight concrete – A Review." IOP Conference Series: Materials Science and Engineering 993 (December 31, 2020): 012042. http://dx.doi.org/10.1088/1757-899x/993/1/012042.

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A, Pavithra, and Jerosia De Rose D. "Application of Light Expanded Clay Aggregate as Replacement of Coarse Aggregate in Concrete Pavement." International Journal of Engineering & Technology 7, no. 4.2 (September 22, 2018): 1. http://dx.doi.org/10.14419/ijet.v7i4.2.19974.

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The main aim of this project is to develop a light weight concrete (LWC) by replacing the coarse aggregate with light weight expanded clay aggregate. The damage caused in LWC is less significant than conventional concrete and therefore the maintenance cost is also reduced. In order to understand the effect of light weight aggregate in concrete, conventional concrete of strength 30MPa was designed with the density of 2400 kg/m3. Then the natural coarse aggregates were replaced by clay aggregates and light weight concrete mix of density 1800 kg/m3 was designed to meet the desired strength requirement. As the density of the concrete tends to be lowered, the strength of the concrete may also tend to decrease. Hence suitable chemical and mineral admixture is to be incorporated in addition to significant water reduction to meet the strength requirement. Cement content kept constant in both the cases. The details of mechanical properties and durability properties of conventional and light weight concrete are reported in this paper.
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Dhemla, Pankaj, B. L. Swami, and Prakash Somani. "Experimental Investigation of Light Weight Concrete Using Sintered Fly Ash Aggregates." IOP Conference Series: Earth and Environmental Science 795, no. 1 (June 1, 2021): 012032. http://dx.doi.org/10.1088/1755-1315/795/1/012032.

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El-Kafrawy, Haytham Amr, Salah El-Din Taher, and Sameh Yousef Mahfouz. "Innovative production of structural light-weight concrete by manufactured porous basalt aggregates." HBRC Journal 16, no. 1 (January 1, 2020): 381–96. http://dx.doi.org/10.1080/16874048.2020.1853011.

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Zach, Jiri, Martin Sedlmajer, Jan Bubenik, and Vitezslav Novak. "Utilization of Non-Traditional Fibers for Light Weight Concrete Production." Key Engineering Materials 760 (January 2018): 231–36. http://dx.doi.org/10.4028/www.scientific.net/kem.760.231.

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Along with energy savings for heating and cooling, the demand for thermal insulation materials is increasing and is an attempt to achieve good thermal insulation properties for some of the construction materials. In the field of porous and lightweight concrete, this is e.g. concrete for foundations, concrete for floor constructions or flat roofs. The problem with these concrete is a relatively rapid drop in mechanical properties in reducing bulk density, with using conventional silicate binders, especially in the area below 1000 kg/m3. The paper describes the possibility of using recycled organic fibers in combination with lightweight aggregates based on foam glass for the production of porous and lightweight concrete with a good ratio of mechanical and thermal insulation properties.
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Neeru Singla and Mandeep Kumar. "Optimum Percentage of Sawdust and Brick Ballast in Light Weight Concrete." Journal on Today's Ideas - Tomorrow's Technologies 5, no. 2 (December 28, 2017): 112–22. http://dx.doi.org/10.15415/jotitt.2017.52007.

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Construction industry relies heavily on conventional material such as cement, sand and gravel for the production of concrete The river sand and gravels which are most commonly used as fine aggregates and coarse aggregates respectively in the production of concrete, poses the problem of acute shortage in many areas, whose continued use has started posing serious problem with respect to its availability, cost and environmental impact. Attempt is being made in this project to use the locally available waste materials to replace the river sand and gravels to produce light weight and low cost concrete. Sawdust and Brick ballast are easily affordable at low costs, which are partially replaces with river sand and gravels respectively for making concrete. Natural sand and Gravels have been partially replaced (4% SD 8% BB, 4% SD 16% BB, 4% SD 24% BB, 8% SD 8% BB, 8% SD 16% BB, 8% SD 24% BB, 12% SD 8% BB, 12% SD 16% BB and 12% SD 24% BB. by using M30 grade of concrete) with sawdust and broken brick ballast respectively. For this, thirty concrete cubes of size 150mm X 150mm X 150mm have been casted and water cement ratio of 0.42 has been used. Water reducing admixture is used to increase the workability. Slump test, Compacting factor test and compressive strength at (28 days) of specimens having above combinations have been compared with control specimens. The workability and compressive strength gradually decreases for the increasing the replacement percentages. The optimum mix found to produce M30 grade of concrete is 8% of sawdust and 16% of Brick ballast.
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Kravchenko, S., O. Posternak, and O. Ahaieva. "The study of microcrack formation of structural light weight concrete with porous aggregates." Ecological Sciences, no. 1(28) (2020): 297–301. http://dx.doi.org/10.32846/2306-9716/2020.eco.1-28.47.

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Khamees, Ali Abdulmohsin, Waleed Ali Tameemi, and Osama Mohaymin Al Qassag. "Mechanical Behavior of Structural Light Weight Concrete Using Low-Strength Clay Bricks Aggregates." Materials Science Forum 1002 (July 2020): 399–411. http://dx.doi.org/10.4028/www.scientific.net/msf.1002.399.

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This research is an experimental study on the fresh-state properties as well as the mechanical behavior of structural lightweight concrete (SLWCs) that made from recycled low-strength clay bricks (RLSCB). The test program includes testing ten mixtures of SLWCs with a target compressive strength of (35 – 40 MPa) and a target air density less than 1900 kg/m3 in addition, three mixtures of normal weight concrete (NWCs) of target compressive strength equal to 37.5 MPa were used for comparison purposes. For each mix of the fresh-status measurements, including slump, density, the air content and the temperature, a number were carried out. Furthermore, the mechanical performance for both SLWCs and NWCs under compressive, flexural and tensile stresses were conducted. The results show that structural lightweight concrete could be produced using recycled low-strength bricks as coarse aggregates with a reduction in dry density equal to 22%. Moreover, the reported results indicate that the compressive strength, splitting tensile strength, modulus of rupture and elastic modulus of elasticity of SLWCs were lower those for NWCs by about 5%, 14.5%, 16.5% and 17.4%, respectively. Finally, correlations between compressive behavior and flexural behavior; compressive behavior and tensile performance; flexural behavior and tensile performance for SLWCs are proposed in this study.
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Saravanan, M., R. Gopi, and M. Harihanandh. "Durability properties of self compacting self curing concrete with presaturated light weight aggregates." Materials Today: Proceedings 45 (2021): 7805–9. http://dx.doi.org/10.1016/j.matpr.2020.11.966.

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Casanova-del-Angel, Francisco, and Jorge Luis Vázquez-Ruiz. "Manufacturing Light Concrete with PET Aggregate." ISRN Civil Engineering 2012 (December 9, 2012): 1–10. http://dx.doi.org/10.5402/2012/287323.

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The manufacture of concrete using a polymer instead of a stony coarse aggregate known as gravel is presented. Polyethylene terephthalate (PET) is the polymer used, recycling soft drink containers with sufficient tenacity. PET is a material commonly used by engineers as a structural element, not as an aggregate. The research work revealed that PET aggregate produces good quality mixtures with lower volumetric weight but mechanical behavior similar to that of natural concrete with adequate granulometry. The water/cement (W/C) ratio is lower for light concretes than for natural concrete. Regarding stress and Flexural strength, it was found that for 300 kg/cm3 and higher cement consumption, which may be due to the fact that at low W/C ratios, the coarse aggregate behavior prevails, while at high W/C ratios, the paste behavior prevails. This leads us to the fact that PET aggregate is best applied on low cement consumption up to 300 kg/m3, since expensive mixtures for higher consumption may result from use on higher consumption. Modulus of elasticity for light concretes is lower than for natural concretes. Deformations are lower for light concretes than for natural concretes. A feature of using PET to substitute coarse aggregate is volumetric weight, since it is 68.88% lighter than concrete with natural aggregates.
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Dissertations / Theses on the topic "Light weight concrete with Liapor aggregates"

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Nováková, Iveta. "Studium tepelně izolačních vlastností cementových betonů při zvýšené teplotě." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226740.

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Master`s thesis is divided in to two parts, practical and theoretical. In theoretical part are listed basic information’s about light weight concrete, special emphasis are given to characteristic and practical application of compact light weight concrete with Liapor aggregates. In this study is described influence of high temperature on concrete structure and chemical, mechanical and physical changes, which take place during exposal to high temperatures. Further is evaluated surface permeability of concrete and addition of polypropylene fibres to concretes resistive to high temperatures. The practical part deals with design, production and testing of cement based concrete with use of different aggregates (light weight aggregates Liapor, basalt). The properties and use for applications in high temperatures is also mentioned. The influence of high temperature on strength, absorption, thermal conductivity, changes of surface permeability and degradation of testing specimens due to heat loads according to normative heat curve (ISO 834). For better transparency are experimental tests divided in to five phases and the measured values are evaluated on the end of each phase. In conclusion are resumed all knowledge’s obtained by testing and evaluated the most suitable formulation. The approach for further research is also mentioned.
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Book chapters on the topic "Light weight concrete with Liapor aggregates"

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Raj, K. Rhishi, and R. Vasudev. "Experimental Investigation on Artificial Light Weight Fly Ash Aggregates in Concrete." In Lecture Notes in Civil Engineering, 73–84. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-80312-4_7.

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Conference papers on the topic "Light weight concrete with Liapor aggregates"

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"Experimental Study on Fly-Ash Aggregate as a Lightweight Filler in a Structural Element." In Recent Advancements in Geotechnical Engineering. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901618-21.

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Abstract. Light-weight structures are widely used in the construction field. Light-weight fillers such as aggregates can be used to improve weightless structures. Generally, standard aggregates cannot be used to attain the desired weight for light-weight structures. To determine a light-weight filler, the aggregates are made by using fly-ash along with cement mortar. Fly ash was collected from the Mettur Thermal power plant. Cement and fly-ash were mixed in a concrete mixer in a proportion of 30:70 with a water-cement ratio of 0.3 and it is mixed until the pellets are formed. The aggregates are replaced at different percentages such as 0%, 10%, 20%, and 30% respectively to the coarse aggregate. The properties such as compressive strength, split tensile strength and flexural strength were taken. The maximum strength was attained at 30% of fly-ash aggregate with a compressive strength of 46.47 N/mm2, split tensile strength of 14.85 N/mm2 and flexural strength of 3.80 N/mm2.
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Choi, Wang Kyu, Byung Youn Min, and Kune Woo Lee. "Volume Reduction of Radioactive Concrete Wastes by Thermal and Mechanical Treatments." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75917.

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The decommissioning of nuclear facilities produces a large amount of radioactive wastes and most of them are concrete waste. In Korea, two decommissioning projects such as the decommissioning of the retired research reactors (KRR-1 & 2) and a uranium conversion plant (UCP) at the Korea Atomic Energy Research Institute (KAERI) has been carried out. By dismantling KRR-2, more than 260 tons of radioactive concrete wastes were generated among the total 2,000 tons of concrete wastes and more than 60 tons of concrete wastes contaminated with uranium compounds have been generated for the UCP decommissioning up to now. The volume reduction and recycling of the wastes is essential to reduce the waste management cost with expectation that an approximate disposal cost for the low level radioactive waste will be more than 5,000 US dollars per 200 liter waste drum in Korea. Therefore, we have developed the volume reduction technology applicable to an activated heavy weight concrete generated by dismantling KRR-2 and the uranium contaminated light weight concrete produced from the UCP decommissioning. We have investigated the characteristics of a separation of the aggregates and the distribution of the radioactivity into the aggregates from the volume reduction point of view using an activated heavy weight concrete taken from the KRR-2 and uranium contaminated light weight concrete from the UCP. It could be concluded that the radioactivity is mainly concentrated in the porous fine cement powder below the size of 1mm and the appropriate heating temperature for the treatment of concrete waste is in the range of 450°C to 500°C. The volume reduction rate could be achieved above 70% by a heating followed by a mechanical separation process. A fine cement radioactive produced during the course of the mechanical treatment process was immobilized and reduced in volume by a slagging using a direct current graphite arc melting system which resulted in a volume reduction factor of about 3.4.
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Al-Ani, Ibrahim, Wan Hamidon, Wan Mohtar, and Basma Alwachy. "Development of Lightweight Concrete using Industrial Waste Palm Oil Clinker." In INTERNATIONAL CONFERENCE ON ARCHITECTURAL AND CIVIL ENGINEERING 2020. Cihan University-Erbil, 2021. http://dx.doi.org/10.24086/aces2020/paper.218.

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Concrete is a major material used in the construction of buildings and structures in the world. Gravel and sand are the major ingredients of concrete but are non-renewable natural materials. Therefore, the utilisation of palm oil clinker (POC), a solid waste generated from palm oil industry is proposed to replace natural aggregate in this research to reduce the demand for natural aggregates. One mix of ordinary concrete as control concrete; while four mix proportions of oil palm clinker concrete were obtained by replacing 25 %, 50 %, 75 %, and 100 % of gravel and sand of control concrete with coarse and fine oil palm clinker respectively by volume, with same cement content and water cement ratio. Compressive strength test was carried out of concretes with different percentages of oil palm clinker; whereas water absorption test according to respective standard, were carried out to determine the durability properties of various mixes. Based on the results obtained, the study on the effect of percentage of clinker on strength and durability properties was drawn. According to ACI classification of light weight concrete only the 100 percentage replacement can achieve the definition of light weight concrete since its density less than 1900 kg/m3 and strength larger than 17 MPa. Eventually the 25 % replacement of the normal aggregate by the OPC will improve the strength and durability of the concrete.
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Joshy, Hanna C., Mansoor Ali K, Rameez Z, Sarath S, and Ramaswamy K. P. "A Suitability Study of Using Crushed Fluorescent Lamp Waste as Fine Aggregates." In International Web Conference in Civil Engineering for a Sustainable Planet. AIJR Publisher, 2021. http://dx.doi.org/10.21467/proceedings.112.42.

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Fluorescent lamp wastes are one of the discarded electrical devices. These lamp wastes pose serious health concerns, and require extreme care in its disposal to avoid any adverse impacts. Also, with the widespread use of energy efficient LED lamps for lighting purposes, environmental concerns related to disposal of used mercury containing fluorescent lamps have become progressively important. This paper explores the possibility of replacement of fine aggregates in mortar with different proportions of fluorescent lamp wastes in order to find the optimum percentage of replacement to get better properties. Fluorescent lamp wastes were collected and crushed to the grading of fine aggregates. Compressive strength and bulk density of mortar cubes with 0%, 25%, 50%, 75% and 100% replacement of fine aggregates with fluorescent lamp wastes were evaluated after 7 days of initial curing. The compressive strength and bulk density of mortar was found to be decreasing with increasing percentage of lamp waste added. The replacement of fine aggregate by 25% lamp waste has greater strength compared to other proportions. Bulk density was found to be lesser at higher replacement levels and can be tried in producing light weight mortar. The utilization of lamp waste in mortar/concrete is a noble attempt in reducing the negative impact of lamp wastes on the environment
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