The results of the hardened properties of the mixes have shown that concrete mixes with partial proportions of manufactured and natural sand achieved a higher compressive strength at all test ages. The cost comparisons results also have shown that using manufactured sand in partial or full replacement to natural sand doesn't cause any ...
In this study, manufactured sand was used as aggregate to prepare the eco-friendly ultra-high performance concrete (UHPC). To further improve the effectiveness of solid waste management and alleviate its impact on the environment, the feasibility of ecological utilization of recycling stone powder (SP), a by-product from manufactured sand ...
Considering the substantial potential advantages of seawater sea sand concrete (SWSSC) structures reinforced by fiber reinforced polymer (FRP) bars in coastal infrastructure, FRP-SWSSC is proposed to capture CO 2 …
Advantages of Manufactured Sand. M Sand has higher Fineness Modules Index compared to the natural river sand, which gives good workability for concrete. M sand is free from silt and clay …
There are obvious differences in mechanical properties and durability between steam-cured concrete and standard-cured concrete. In this paper, the different properties of nano-silica (NS) modified manufactured sand concrete (NSMC) under standard curing and steam curing were compared.
This book presents the features of manufactured sand (MS) and its application in concrete as the fine aggregate. It first introduces the production and technical properties of manufactured sand and demonstrates the properties of concrete, followed by the mix proportioning of concrete with manufactured sand. It also focuses on the …
This specification defines the requirements for grading and quality of fine and coarse aggregate for use in concrete. Fine aggregate shall consist of natural sand, manufactured sand, or a combination thereof. Fine aggregate shall be free of injurious amounts of organic impurities. Fine aggregate for use in concrete that will be subject to …
To solve the problem of manufactured sand concrete in the pumping process being very prone to plugging, a pumping resistance tester is used to test the influences of stone dust (SD) content and megabyte () value of the manufactured sand, fly ash, silica fume, superabsorbent polymer (SAP), and air-entraining agent on the …
Abstract. 3D printed concrete (3DPC) is a rapid construction technology that uses concrete as an ink material to build three-dimensional structures layer by layer, with the advantages in free formwork, complex buildings and cost savings. In this paper, the printability and mechanical properties of 3D printed manufactured sand concrete ...
replacement of sand with quarry dust. This experimental study presents the variation in the strength and durability propertie s of. concrete when replacing sand by quarry dust from 0% to 5 0% in ...
Manufactured sand (MS) is widely considered as an alternative of the river sand (RS) recently, and to clarify the influence significance and influence mechanism of MS characteristic parameters on its concrete performance is essential to …
JOURNAL Articles ON SILICA SAND IN CONCRETE. Durability Enhancement of Basalt Fiber-Reinforced Polymer-Seawater Sea-Sand Concrete Beam by Alkalinity Regulation. Contribution of Shrinkage-Reducing Admixture and Lightweight Sand to Moist-Curing Requirement for Fiber- Reinforced Ultra-High-Performance Concrete. …
The costs of the concrete vary from $2,500 (single-wide) to around $8,000 (double-wide). But the costs of installing a mobile home foundation include labor and a sub-base, and for a complete job, expect to pay $6,000 to $15,000.
Mixing fiber into manufactured sand to prepare concrete can effectively reduce the consumption of natural sand resources, improve concrete performance, improve the life of the whole building structure, and bring considerable environmental and economic benefits. To better apply it to engineering practice, this research studied the …
This study investigated the coupled influences of the content and methylene blue value (MBV) of microfines on the comprehensive performance of manufactured sand concrete. The results show that microfines with a low MBV improve the workability of fresh concrete and the compactness of hardened concrete, thus improving certain properties …
Depletion of river sand due to large-scale concrete production has caused many environmental problems. To address this issue, river sand can be replaced with sand manufactured from waste deposits. To facilitate manufactured-sand concrete production, this study proposes three tree-based models: one individual model (regression tree …
This article presents 755 groups splitting tensile strength tests data of concrete with manufactured sand (MSC) in different curing age ranged from 1 day to 388 days related to the research article "Experimental study on tensile strength development of concrete with manufactured sand" (Zhao et al., 2017) [1]. These data were used to …
A total of 81 specimens were designed for uniaxial compression test and beam flexure test. Two parameters were considered in the tests, including the types of MS (i.e. limestone manufactured sand (LMS), pebble manufactured sand (PMS)) and the MS replacement percentage (i.e., 0%, 25%, 50%, 75%, ). The stress-strain curves of MSC were …
Besides, the mix proportion methods of high-performance concrete and self-compacting concrete (SCC) are also determined in terms of workability, mechanical strength, and durability. Moreover, the surplus coefficient of mortar and spherical similarity of aggregate is also considered for the mix proportion design of concrete with …
The properties (e.g., workability, water demand, mechanical properties and durability) of manufactured sand concrete were also observed to be different from those of river sand concrete [23, 26,27].
In this study, manufactured sand was used as aggregate to prepare the eco-friendly ultra-high performance concrete (UHPC). To further improve the effectiveness of solid waste management and alleviate its impact on the environment, the feasibility of ecological utilization of recycling stone powder (SP), a by-product from manufactured …
M-sand (Manufactured sand) is a byproduct created when granite or basalt stone is crushed and screened. The investigation of substitute materials such as M-sand for construction has been prompted by the depletion of available natural sand resources and the environmental issues related to sand mining. In order to replace natural sand in …
Reviews results of an extensive laboratory study of the effects of variations in gradations and particle shape of manufactured fine aggregates, and of variations in coarse aggregate factor and coarse aggregate maximum size on properties of freshly mixed and hardened air-entrained portland cement con cretes.
Natural sand / River sand has been used in construction for many centuries. Recently for past few years due to various reasons, we have to use manufactured sand / crushed sand. Let's discuss about the properties and applications of manufactured sand comparing with Natural sand.
Therefore, compared with the river sand concrete, more influencing variables need to be considered to predict the mechanical properties of manufactured-sand concrete.
The utilization of tunnel slag processed manufactured sand for high-performance concrete preparation and its application in engineering construction can yield significant economic and social benefits.
Final stage- the process of screening, to remove dust particles and washing of sand for eliminating minute particles, is carried out. Advantages of Manufactured Sand. Higher compressive and …
M Sand, or Manufactured Sand, is a construction aggregate made from crushed rock. This type of Sand is produced in quarries by crushing rocks, such as granite and limestone, into small pieces with the help of a crusher. The size of the crushed rocks is determined based on the desired output, with the larger sizes usually used in concrete and asphalt …
Manufactured sand (MS) has been started utilizing as an alternative in constructions due to the escalated demand for river sand (RS). The microfine aggregate (MFA) is a salient constituent in manufactured sand, which is a crushed reactive form of parent rocks having particles less than 0.075 mm.
Fiber-reinforced concrete (FRC) with natural sand (NS) as fine aggregate has been regarded as an favorable cementitious composites in engineering application due to its superior mechanical and fracture properties, etc. As a promising substitution for NS in conventional concrete, manufactured sand (MS) presents great potential in minimizing …
In the realm of construction materials, manufactured sand (M-Sand) has gained significant traction due to its quality consistency, environmental benefits, and versatile applications. This article delves into the production process of M-Sand, its advantages over natural sand, and its diverse uses in construction projects.
The use of crushed manufactured sand in concrete could be considered as an alternative solution to overcome the deficiency in river sand in some countries. She et al. (2018) reported that manufactured sand (MS) concrete presented higher strength than river sand concrete and that the strength reaches a peak value when the stone powder …
