characteristics of recycled concrete in Mexico

Strength and durability of concrete containing recycled …

The test results showed that up to 25% of natural crushed stone aggregates in concrete may be replaced with RCA, without significantly affecting the strength of …

Use of Nano-Silica as a Supplementary Cementitious Material in Recycled

Replacement of natural coarse aggregate (NCA) with recycled coarse aggregate (RCA) is an ideal solution to recycle and utilize the huge amount of construction and demolition wastes (CDW). However, due to the relatively higher porosity and cracking of RCA, its application in the construction industry is restricted. In this study, the RCA …

recycled concrete Topic

The reason for recycling is the reduction of waste in order to protect nature against pollution, the increasing shortage of suitable dumping grounds, and to save energy and natural resources. Concrete debris is typically reclaimed as recycled aggregate (RCA). By recycling concrete, valuable landfill space and natural resources are …

The enhancement of engineering characteristics in recycled …

The enhancement of engineering characteristics in recycled aggregates concrete combined effect of fly ash, silica fume and PP fiber. Author links open overlay panel Mohammad Alharthai a, ... Recycled concrete aggregate has a lower saturated dry density compared to natural aggregate, and this difference rises with aggregate size. ...

Meso-scale damage characteristics of low carbon concrete with recycled

Low carbon concrete with recycled aggregate (LCCRA) is proposed which has a good compression strength. • The meso-scale damage characteristics of LCCRA is analyzed by gray mean value and gray distribution variance of CT images under uniaxial compression.. The deformation localization of LCCRA is revealed with the combination …

Examining the structural viability of recycled fine aggregates …

This study investigates the potential of incorporating recycled fine aggregates (RFA) into sustainable concrete. In this research, a conventional compaction technique is utilized to establish the order of compressive strength and, consequently, to assess particle packing density in terms of weight within a specific cylindrical volume and evaluate …

Meso-scale damage characteristics of low carbon concrete with recycled

DOI: 10.1016/j.conbuildmat.2022.130014 Corpus ID: 254772926; Meso-scale damage characteristics of low carbon concrete with recycled aggregate based on in-situ CT test @article{Zhang2023MesoscaleDC, title={Meso-scale damage characteristics of low carbon concrete with recycled aggregate based on in-situ CT test}, author={Yichao …

A review on recycled concrete aggregates (RCA) characteristics …

A study on ultra-high-performance fibre-reinforced concrete (UHPFRC) has shown the promising behaviour of locally available low-cost synthetic fibre reinforcement and the benefits of recycled ...

Recycled Materials in Concrete

Durability and performance characteristics of recycled aggregate concrete. Paper 090 CSIRO Publishing, UK. Google Scholar Siddique, R., & Naik, T. R. (2004). Properties of concrete containing scrap tyre rubber—an overview. Waste Management, 24(6), 563–569. Article Google Scholar

CHALLENGES FOR THE PRACTICAL USE OF RECYCLED …

While concrete recycling is crucial to protecting the environment, its implementation in practice is low in many countries. This study aims to highlight …

Use of a Conductive Recycled Mortar as an Anode in the

This study advocates for the use of recycled materials, which are more environmentally sustainable as they decrease natural resource consumption. In this research, a mortar anode composed of recycled fine aggregate (RFA) from laboratory concrete blocks, carbon fiber (CF) waste from industrial processes, and graphite …

Internal corrosion characteristics of endogenous sulfate …

The waste concrete can be used to produce a variety of recycled materials, such as recycled aggregates (RA), recycled cementitious materials, recycled fibers, recycled glass and recycled rubber etc. (Jiang et al., 2022; Liu et al., 2022; Lu et al., 2023; Zhang et al., 2023a, Zhang et al., 2023b). The application of RA can not only …

The morphological characteristics of brick-concrete recycled …

Due to the complication of sources and types of CDW, there are great differences in properties among recycled coarse aggregates [6, 7].Most of the demolished buildings in Chinese cities are brick-concrete structures built in the 1960s–1980s, and such recycled aggregates are mainly composed of crushed brick aggregate and crushed …

Recycled Concrete Aggregates: A Review | International …

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 …

Review Utilization of recycled concrete aggregate in …

Among these various measures, recycling the concrete portion of C&D waste to obtain Recycled concrete aggregate (RCA) is a popular method which is adopted by the researchers in past few decades [17], [18], [19]. Using RCA as aggregates solves the problems associated with C&D waste disposal and the availability of …

Sustainable concrete Production: Incorporating recycled …

This paper aims to present a comprehensive review of the microstructure properties of incorporating recycled wastewater in green concrete production. The study examines the characteristics of recycled wastewater, its effects on green concrete …

Fracture process zone characteristics and identification of …

The cracking in recycled concrete initiates earlier; the fracture length is generally larger and the use of high proportion of recycled aggregate results in higher strain gradients in the fracture process zone. ... The characteristics of recycled aggregate and ITZ can highly influence the mechanical properties of RAC [9], [11], [12], [13 ...

Microscale investigation of mechanical characteristics: …

This paper explores the feasibility of using recycled fine aggregate in concrete to meet strength requirements for various applications in sustainable construction. The physical and mechanical characteristics including: aggregate strength, gradation, absorption, specific gravity, shape and texture, play crucial roles in determining …

A Comprehensive Review on Recycled Aggregate and …

This study provides a comprehensive review on recycled aggregate (RA) and recycled aggregate concrete (RAC) regarding their history, recycling, reuse and …

Effect of Recycled Sand Content on Characteristics of …

When recycled aggregate is used for concrete manufacture, in many cases these aggregates are accompanied by a recycled sand content. ... First, the research examined the effects of recycled sand content on the characteristics of mortar—density and compressive and flexural strength—by using recycled sand contents of 0, 5, 10, 15, …

Reinventing concrete: a comprehensive review of …

It's a creative approach to reuse recycled plastic in the building sector rather than landfilling it. Nevertheless, most concrete characteristics have been impacted by the use of recycled plastic aggregates (RPA). Several methods, including treating the RPAs' surface, were used in earlier studies to reduce the harmful impact of the RPAs on the …

Pore characteristics of recycled aggregate concrete and its

1. Introduction. Recycled aggregate is prepared with waste concrete by crushing, screening, and removing impurities. Using waste concrete to produce recycled aggregate concrete can reduce the consumption of natural aggregate and promote the effective consumption of construction waste [1].However, because old mortars are …

Carbon Footprint of Recycled Aggregate Concrete

In this paper, carbon footprint was used to compare the environmental performance in the production phase of a concrete made with both recycled and crushed limestone …

Sustainable Materials: A Review of Recycled Concrete …

In this paper, a comprehensive literature review was conducted on the utilization of recycled concrete aggregate (RCA), which is the dominant construction …

Role of Impact and Compression-Based Crushing on the …

Both these benefits, i.e., lower HCMP and regular shape characteristics, were found to significantly affect the strength properties of recycled aggregate concrete. However, due to cleavage failure in compression crushing, coarser RCA with higher concentrations of blade and disc-shaped particles and higher HCMP content were …

Characteristics of Recycled Polypropylene Fibers as an …

High-performance concrete has low tensile strength and brittle failure. In order to improve these properties of unreinforced concrete, the effects of adding recycled polypropylene fibers on the mechanical properties of concrete were investigated. The polypropylene fibers used were made from recycled …

Sustainable Construction Exploration: A Review of Multi …

Given that the quality of recycled concrete materials is one of the many factors influencing the properties of concrete (Kim 2022), it is of great significance to …

Recycled Concrete–A Sustainable Choice

The American Concrete Institute. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for …

JSACE 2/15 Total Replacement of Recycled Aggregate …

It has been established that the quality of aggregates partially determines the characteristics of the concrete that contains them (in particular its strength and durability) (Paul 2011), …

Analysis of pressure damage characteristics of carbon fibre recycled …

In order to understand the pressure damage of concrete under different levels of carbon fibre content, a method for analysing the pressure characteristics of carbon fibre recycled concrete based on acoustic emission technology is proposed. First is the selection of materials in the preparation of the carbon fibre reinforced recycled …