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Recycled concrete aggregate (RCA) has been widely adopted in construction and emerged as a sustainable alternative to conventional natural aggregates in the construction …
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A trial production of the recycled concrete (water–cement ratio of 50%, slump 18 cm, recycled coarse aggregate of BS in Table 4) using an actual truck agitator was carried out, so …
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As with C&DW, aggregates obtained from geopolymers are a viable option for the development of AR replacing NA. This information was highlighted in the research by Xu et al., where the authors evaluated the possibility of producing artificial …
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Recycling concrete aggregates obtained from construction and demolition (C&D) activities presents a promising solution for sustainable construction. These aggregates can …
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4.4 Properties of fine and recycled coarse aggregate. Locally available sand (fine aggregate) conforming to IS: 383-1970 [Citation 46] is collected from a nearby river and used …
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The construction industry generates a huge amount of concrete waste that needs to be recycled, which is said to be recycled aggregate (RA) being used for partial or total …
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Modulus of elasticity of concrete made with recycled coarse and fine aggregate is lower than that of concrete made with recycled coarse aggregate only. 5. Creep Creep of concrete produced …
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Recycled concrete aggregate (RCA) has been widely adopted in construction and emerged as a sustainable alternative to conventional natural aggregates in the construction industry. However, the study of holistic …
WhatsApp: +86 18221755073
Recycled concrete is characterised by replacing different percentages of natural coarse aggregate with recycled coarse aggregate (0, 20, 50 and ) and two different water …
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Crushing waste concrete and granite gravel between 5 and 25 cm were used as coarse aggregate in this study, named recycled aggregate (RA) and natural aggregate (NA) …
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However, concrete produced from coarse recycled concrete aggregate or crushed concrete aggregate and natural sand provides approximately the sametensile&flexuralstrength as concrete made from the …
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Recycled aggregate concrete (RAC), with an appropriate mix design, can achieve properties comparable to those of natural aggregate concrete (NAC, also referred to as normal aggregate …
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This paper discusses the suitability of producing concrete with 100 % recycled aggregate to meet durability and strength requirements for different applications. Aggregate …
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Materials and reagents. The application of recycled concrete aggregates (RCA) serves as a widely embraced method on behalf of repurposing concrete waste, aligning well with the principles of sustainable development …
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However, the content of mortar for RCRA and RP is different due to the various shapes and surfaces of CRA and PA. CRA is irregular and has a rough surface while PA is …
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This paper provides an overview of literature on the multiple-time recycling of concrete waste and meticulously analyzes the research findings. The paper begins by …
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the properties of concrete with recycled aggregates, as an substitute material to coarse aggregate in structural concrete. To determining the above properties of the recycled …
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It is also reported that multiple crushed concrete aggregate, will eventually have increase of the volume of old adhered mortar [11]. In Japan, with repeated crushing, more than …
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RCPs smaller than 0.15 mm were obtained from three different generations of multi-recycled coarse aggregate concrete, respectively, which replaced cement by 10%, 20% …
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Recycled concrete aggregates or Crushed concrete aggregateshas been in use since the ancient times, only to be integrated with gravel, sand, and cement to ensure durability. The practice was first recorded in the 1860s. US construction companies were reluctant to use the technique at first since crushing cured concr…
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This paper deals with performance of concrete by using recycled coarse aggregate (RCA) to replace 30%, 50%, and 70% of natural coarse aggregate. Three concrete types were studied: Group A using RCA with 10% …
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Recycled coarse aggregate concrete enables the creation of environmentally friendly and cost-effective mixes. It helps address the disposal problem of demolition concrete …
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Statistical and reliability study on shear strength of recycled coarse aggregate reinforced concrete beams. Materials, 16 (14) (2021), p. 3321. Crossref View in Scopus Google …
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Great efforts are made to utilize waste in the construction industry for many different reasons, including the limited non-renewable sources of concrete constituents and …
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By collecting the used concrete and breaking it up, recycled concrete aggregate (RCA) is created (Fig. 1). This paper focuses on coarse RCA which is the coarse aggregate from the original concrete that is created after …
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Kwan, Wai Hoe, et al. "Influence of the amount of recycled coarse aggregate in concrete design and durability properties". Construction and Building Materials 26.1 (2012), …
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As urbanization and infrastructure development accelerate, the renovation, transformation, and demolition of old buildings have increased the production of construction …
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Nevertheless, utilizing recycled aggregates at a full replacement level may cause a reduction in its fresh, mechanical, and durability characteristics compared to concrete …
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The feasibility of recycling C&D waste into coarse aggregate in concrete has been demonstrated by many studies [3], [7], [8], [1], [2], [4], [6].However, both the compressive …
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Types of Aggregate: Normal-density coarse aggregate shall consist of crushed stone, gravel, air- cooled iron blast-furnace slag, returned hardened concrete (RHC), reclaimed concrete …
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