2025117· In order to achieve the large-scale application of manufactured sand in railway high-strength concrete structure, a series of high-strength manufactured sand concrete (HMC) are prepared by taking
WhatsAppGet PriceGet A Quote
This paper presents a review on performance of cement concrete containing manufacturing sand as an alternative material to natural sand. The primary objective of this study is to understand …
WhatsAppGet PriceGet A Quote
1120· By the addition of superplasticizer and air entraining agent, manufactured sand self-compacting concrete (MS SCC) with slump flow varying from 500 to 700 mm and air content varying from 2.0% to 9.0% were prepared and the pumpability of MS SCC was studied by a sliding pipe rheometer (Sliper). According to the Kaplan’s model, the initial pump pressure and …
WhatsAppGet PriceGet A Quote
2024101· The fracture properties and acoustic emission (AE) characteristics of manufactured sand recycled fine aggregate concrete (MSRFAC) with 0 %, 25 %, 50 %, 75 % and 100 % RFA replacement rates were evaluated by three-point bending test …
WhatsAppGet PriceGet A Quote
20241025· In order to reveal the influence mechanism of limestone powder on the mechanical properties of concrete, the manufactured sand concrete with a water-cement ratio of 0.45 was taken as the research object.
WhatsAppGet PriceGet A Quote
202471· In recent decades, the utilization of manufactured sand (MS) and stone to prepare concrete has become one of the mainstream directions [1]. However, in the process of exploiting natural rocks to produce sand and stone, a large quantity of by-products such as limestone powder (LP) was produced, which was about 4% of the production of MS and stone.
WhatsAppGet PriceGet A Quote
1130· The research shows that concrete with iron tailing has better high-temperature resistance than traditional concrete [21]. The concrete with a …
WhatsAppGet PriceGet A Quote
202451· 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 …
WhatsAppGet PriceGet A Quote
2011101· 1. Introduction Concrete pavements can be constructed using a variety of aggregates. Constructability and long-term performances are influenced by the characteristics and physical properties of the aggregates used. Common river sand (RS), which is most commonly used fine aggregate in the production of concrete, is expensive due to excessive cost of …
WhatsAppGet PriceGet A Quote
202471· In recent decades, the utilization of manufactured sand (MS) and stone to prepare concrete has become one of the mainstream directions [1]. However, in the process of exploiting natural rocks to produce sand and stone, a large quantity of by-products such as limestone powder (LP) was produced, which was about 4% of the production of MS and stone.
WhatsAppGet PriceGet A Quote
2024815· Recycled concrete with manufactured sand (RCM) is a type of recycled concrete that uses manufactured sand as fine aggregate, and there have been limited reports on the investigation of its high temperature performance in the construction industry.
WhatsAppGet PriceGet A Quote
202467· This study investigates the impact of self-compacting concrete (SCC) with manufactured sand (M-sand) on improving the flexural behaviour of reinforced concrete (RC) beams. M-sand is finely crushed aggregate sourced from rocks or quarry stones, providing a sustainable substitute for natural river sand in construction. It ensures uniform quality, cost …
WhatsAppGet PriceGet A Quote
104· This chapter shows the workability and rheological properties of fresh concrete with manufactured sand, mechanical properties, and durability of hardened concrete with manufactured sand. The influence of fines content and features of …
WhatsAppGet PriceGet A Quote
201591· In the present investigation workability, strength and durability of concrete with manufactured sand as replacement to natural sand in …
WhatsAppGet PriceGet A Quote
1120· By the addition of superplasticizer and air entraining agent, manufactured sand self-compacting concrete (MS SCC) with slump flow varying from 500 to 700 mm and air content varying from 2.0% to 9.0% were prepared and the pumpability of MS SCC was studied by a sliding pipe rheometer (Sliper). According to the Kaplan’s model, the initial pump pressure and …
WhatsAppGet PriceGet A Quote
2025428· AbstractThis paper analyses the ability of two recycled sands (RSs) from concrete (CON) and masonry (MAS) wastes for the manufacture of mortars for the construction industry. Manufactured sand (MS) was substituted by both RSs at the rates of 25%, 50%, 75%,...
WhatsAppGet PriceGet A Quote
1120· By the addition of superplasticizer and air entraining agent, manufactured sand self-compacting concrete (MS SCC) with slump flow varying from 500 to 700 mm and air content varying from 2.0% to 9.0% were prepared and the pumpability of MS SCC was studied by a sliding pipe rheometer (Sliper). According to the Kaplan’s model, the initial pump pressure and …
WhatsAppGet PriceGet A Quote
20141218· Six representative parent rocks of sand, including limestone, quartzite, gneisses, granite, Basalt and Marble were selected to conduct a systematical research on the effects of various lithologies of manufactured sand on the workability, mechanism properties, volume stability and durability of manufactured-sand concrete. The experimental results show …
WhatsAppGet PriceGet A Quote
530· Abstract 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 its scientific application.
WhatsAppGet PriceGet A Quote
20241221· This review aims to explore the engineering properties (such as particle shape, gradation, and fines content) of manufactured sand and their impact on concrete performance, emphasizing its important role in promoting green construction and sustainable development.
WhatsAppGet PriceGet A Quote
1215· In this paper, the printability and mechanical properties of 3D printed manufactured sand concrete (3DPMSC) were tested with different binder-to-sand ratios. The optimal dosage of manufactured sand was clarified, and the effect of manufactured sand dosage on pore characteristics was studied using CT scanning technology.
WhatsAppGet PriceGet A Quote
Moreover, the properties of concrete with the five kinds of manufactured sand were tested. The results show that particle size and type have a significant impact on particle shape parameters.
WhatsAppGet PriceGet A Quote
20241031· Manufactured sand concrete (MSC) has increasingly applied in engineering. However, how to enhance the thermal crack resistance of MSC has not clearly studied yet, which limits the wide applications of manufactured sand in engineering. We have adopted the method of mixing limestone powder (LP) to make MSC with four mass fractions (wt.%) of 5%, 10%, 15%, …
WhatsAppGet PriceGet A Quote
2024717· Request PDF | Investigation on physical and mechanical properties of manufactured sand concrete | In the context of the shortage of river sand, two types of manufactured sand (MS) were used to
WhatsAppGet PriceGet A Quote
2011101· 1. Introduction Concrete pavements can be constructed using a variety of aggregates. Constructability and long-term performances are influenced by the characteristics and physical properties of the aggregates used. Common river sand (RS), which is most commonly used fine aggregate in the production of concrete, is expensive due to excessive cost of …
WhatsAppGet PriceGet A Quote
2025314· Using tunnel muck to produce manufactured sand is an optimal approach for its resource utilization. However, manufactured sand has characteristics such as angular particles, poor gradation, and high stone powder content, which lead to high cement demand and an increased risk of shrinkage cracking in concrete.
WhatsAppGet PriceGet A Quote
202571· Manufactured sand (MS) is increasingly utilized in construction for its strong mechanical properties and low environmental impact. However, optimizing the mixtures of …
WhatsAppGet PriceGet A Quote
1 · Types of Sand & Classification of Sand Followings are the classification of Sand: Based on the grain size of the particle, sand is classified as Fine Sand (0.075 to 0.425mm), Medium Sand (0.425 to 2mm), and Coarse Sand (2.0 mm to 4.75mm) Based on origin, sand is classified as Pit sand, River sand, Sea sand, and manufactured sand.
WhatsAppGet PriceGet A Quote
2025314· Using tunnel muck to produce manufactured sand is an optimal approach for its resource utilization. However, manufactured sand has characteristics such as angular particles, poor gradation, and high stone powder content, which lead to high cement demand and an increased risk of shrinkage cracking in concrete.
WhatsAppGet PriceGet A Quote
In order to promote the application of manufactured sand and ensure that the workability and mechanical properties of manufactured sand concrete meet the required standards, this paper analyzes the influences of preparation method and particle characteristics of manufactured sand and proportion of concrete on the performance of concrete.
WhatsAppGet PriceGet A Quote
WhatsAPP 24h online service
24h Online Chat
