Frontiers | Editorial: High-performance and sustainable concrete
The future work in high-performance and sustainable concrete materials and structures could focus on the following aspects: 1) Pushing the performance envelope of high/ultra-high-performance concrete materials towards extreme mechanical and durability performance (Lao et al., 2023); 2) Designing sustainable concrete materials to achieve ...
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Ultra-High-Performance Concrete and Advanced …
•High durability •No special (curing) treatment required 7 Developed Ultra-High Performance Concrete Ingredient Test ResultsProportion Cement Spread Value (cm)1 Silica Fume (Undensified ) 0.200 f Fly Ash 0.050 Silica Powder 0.200 w/b 0.210 Superplasticizer (HRWR) 0.060 Sand 1 (0.212mm) 0.28 Sand 2 (0.85mm) 1.12 26 c' (ksi 23.24 Optimum ...
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Full article: Smart material selection strategies for sustainable and
1. Introduction. The requirement for durable and high-strength materials is growing to improve the sustainability of civil infrastructure [Citation 1].The increased fibre and cementitious concrete known as ultra-high-performing concrete (UHPC) have high compressive strength (120--250 MPa), tensile strength (15--20 MPa), and exceptional durability.Its particle packing density …
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Effect of industrial multi-walled carbon nanotubes on the …
Ultra-high performance concrete (UHPC) is formulated from binder materials (comprising cement and additives, such as silica fume and fly ash), fine aggregates, superplasticizer, and water, and is characterized by a low water-to-cement ratio and a high filling density. ... Quartz sand (QS, Foshan Lidewang Trading Co. Ltd.) was used as the fine ...
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Mechanical Properties and Environmental Evaluation …
Ultra-high-performance concrete (UHPC) has received increasing attention in recent years due to its remarkable ductility, durability, and mechanical properties. However, the manufacture of UHPC can cause serious …
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(PDF) A Comprehensive Review of the Advances, Manufacturing, …
The article presents the progress and applications of ultra-high-performance concrete (UHPC), a revolutionary material in modern construction that offers unparalleled strength, durability, and ...
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A review of self-sensing ultra-high performance concrete: …
However, the matrix of self-sensing concrete is mainly ordinary cement paste, mortar, or concrete, expressing relatively weak characteristics of strength, strain-hardening or multiple cracking, and durability than certain high-performance cementitious composites, represented by ultra-high performance concrete (UHPC) [24, 25].High-performance structural …
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Green High-Performance Concrete with Manufactured …
It also focuses on the applications of manufactured sand in several practical engineering projects using self-compacting concrete (SCC), rubble-filled SCC, and high-performance concrete with manufactured sand for special …
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MANUFACTURED SAND CONCRETE: A REVIEW
This paper presents a review on performance of cement concrete containing manufacturing sand as an alternative material to natural sand. ... 22 conducted experimental program to investigate characteristics of high performance concrete M60 grade with partial replacement of cement by GGBS and fine aggregate by manufactured sand. Replacement ...
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Engineering performance and environmental assessment of …
The carbon footprint associated with cement production, coupled with depletion of natural resources and climate change, underscores the need for sustainable alternatives. This study explores the ...
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Bond Behavior of High-Strength Steel Rebar in Ultra-High-Performance
Manufactured sand (MS), due to its wide availability and cost-effectiveness, is used as an alternative aggregate for quartz sand (QS) in ultra-high-performance concrete (UHPC) to prepare ultra-high-performance manufactured sand concrete (UHPMC). This study aims to assess the bond behavior of 600 MPa-grade, high-strength, hot-rolled ribbed bars (HRB 600) in …
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Mix Design and Performance Study of High-Strength Self
This study optimized the mix design for high-strength self-compacting concrete with manufactured sand (MSH-SCC) and explored the effects of the fine aggregate …
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Feasibility assessment and application of sea sand in concrete
The challenging issue of demand for sand in concrete can be addressed by exploring alternative materials. Mechanism sand [12], aeolian sand [13], waste foundry sand [14], construction demolition waste [15], industrial by-products (such as coal ash, aged clay tailings, copper tailings) [16], [17], [18], and sea sand [19] are among the materials considered to …
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Ultra-High-Performance Concrete (UHPC): A State-of …
Department of Civil Engineering, Swedish College of Engineering and Technology, Wah Cantt 47040, Pakistan
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Flexural performance of ultra-high performance concrete beams …
Wang J, Li BX, Yang JB (2020) Effect of stone powder content and steel fiber length on properties of manufactured sand ultra-high performance concrete. Bulletin of the Chinese Ceramic Society 39(7): 2120–2126 (in Chinese). Google Scholar.
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Experimental Investigation on High Performance Concrete …
Experimental Investigation on High Performance Concrete Using et.al. 15645 Experimental Investigation Materials: a) Cement : Ordinary Portland cement of 53 Grade conforming to IS 8112 – 1989 ...
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Autogenous shrinkage and cracking of ultra-high-performance concrete
Autogenous shrinkage and shrinkage-induced cracking present significant challenges in ultra-high-performance concrete (UHPC). To address this issue, this study explores the feasibility of using soda residue (SR), an industrial waste product, as a sustainable internal curing agent for UHPC. Experimental results demonstrate that the inclusion of SR substantially …
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3D-printing ultra-high performance fiber-reinforced concrete under
With high strength, good toughness, and excellent durability, ultra-high performance fiber-reinforced concrete (UHPFRC) [12], [13], [14] may be able to compensate for the lack of reinforcement in current 3D-printing concrete. The mechanical properties of 3D-printing ultra-high performance fiber reinforced concrete should be studied further.
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Ultra-High-Performance Fiber Reinforced Concrete with UAE Red Dune Sand
For high demand of concrete sand UAE, the utilisation of local dune sand in normal concrete and UHPC will contribute significantly to cost reduction and reduction of CO2 emission. Road and maritime transport were reported to emits averagely 64g and 14g of CO2 per/ton/kilometre, respectively [ 5 ].
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High-Performance Concrete: Composition, and Features
High-performance concrete (HPC) is produced by careful selection and proportioning of its constituents namely cement, sand, gravel, cementitious …
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Strength and durability properties of High …
Manufactured Sand (M-Sand) produced by the crushing of hard granite has been identified as a good substitute for natural sand. The main objective of this study is to check the strength and...
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Ultra-high performance concrete: Mix design, raw materials and …
Dune sand: Due to the high content of fine quartz, dune sand improves fluidity, mechanical properties and durability of UHPC. Specifically, the compressive and flexural strength is 3–4 times as the high-performance concrete strength, and the shrinkage is also within the acceptable range to resist the corrosion of chloride ions.
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Effects of coarse aggregates on 3D printability and mechanical
As an advanced additive manufacturing technology, three-dimensional printing concrete (3DPC), has attracted remarkable interests in the construction industry due to its significant advantages, such as less labour costs, accelerating construction processes and reducing construction risks [1, 2].The 3DPC technology also allows for fabrication of complex …
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Fracture characteristics and damage evolution of manufactured sand
Advanced concrete, such as ultra-high-performance concrete (UHPC), is characterized by high strength [1], excellent toughness [2], [3] and good durability [4], suitable to be utilized in complex engineering construction. Natural sand, such as quartz sand (QS) and river sand (RS), are commonly used as aggregates for the production of UHPC.
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Mock-up pragmatic study on the impact performance of self
Self-Compacting Concrete (SCC) allows for the use of non-desalted sea sand as a fine aggregate, but the durability of triple mix SCC with partial sea sand replacement remains unclear. To optimize ...
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Analyzing the influence of manufactured sand and fly ash on …
The manufacturing of High-Flowability Concrete (HFC) can effectively substitute natural sand to the tune of 40% superfine river sand and 60% coarse M sand. ... Strength of …
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Feasibility of manufacturing ultra-high performance cement-based
Due to their excellent strength properties, i.e., a compressive strength of 120–150 MPa and flexural strength of 15–25 MPa, ultra-high performance cement-based composites (UHPCCs) have attracted a lot of interests during the past decades (Ghafari et al., 2012, Habel et al., 2006a, Porteneuve et al., 2001, Reda et al., 1999).The use of UHPCCs in structural …
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Feasibility of manufacturing ultra-high performance cement-based
Feasibility of manufacturing ultra-high performance cement-based composites (UHPCCs) with recycled sand: A preliminary study. ... Study on the mechanical properties and prediction model of ultra-high performance concrete containing aeolian sand and recycled mixed powder. Journal of Building Engineering, Volume 74, 2023, Article 106880.
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Sustainable development of ultra high performance concrete …
In cement concrete, the production of ultra high performance concrete was developed using reaction powder concrete approach (RPC). RPC are characterized under high strength concrete, which is achieved by the application of certain mixing, proportioning and post heat curing techniques [ 6, 7 ] and henceforth, RPC's are now brought under ultra ...
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Properties of Ultra-High Performance Concrete incorporating iron
Ultra high performance concrete ... The findings of this study can actively promote the utilization of IT in the manufacturing of UHPC, with the aim of mitigating environmental damage and pollution resulting from the accumulation of tailings as well as the excessive consumption of aggregates and cement. ... Utilization of iron tailings sand as ...
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