scholarly journals Utilization of Construction & Demolition Waste as Coarse Aggregate in Rigid Pavement Construction

2020 ◽  
Vol 8 (9) ◽  
pp. 1283-1287
Author(s):  
Bhanu Pratap Singh
Keyword(s):  
Coarse Aggregate ◽  
Demolition Waste ◽  
Rigid Pavement ◽  
Pavement Construction

scholarly journals A Methodology of Waste Material Utilization in Concrete Mix for Rigid Pavement Construction

2021 ◽  
Vol 9 (9) ◽  
pp. 2124-2128
Author(s):  
Ramkrishna Birla
Keyword(s):  
Natural Resources ◽  
Coarse Aggregate ◽  
Waste Material ◽  
Ecological Problem ◽  
Fine Aggregate ◽  
Rigid Pavement ◽  
Concrete Production ◽  
Concrete Mix ◽  
Pavement Construction

Abstract: The demand of concrete for rigid pavement construction is constantly growing. Thus, the extraction of fine aggregate, coarse aggregate and cement from natural resources also increases. The more extraction of these virgin materials from the natural resources enhances the cost of these materials progressively. Therefore, it has severely affected the financial viability of the government for rigid pavement construction. Further, due to urbanization and industrialization the amount of waste material is also increased. This state creating an ecological problem that must be addressed. Therefore, there is an urgent need to preserve natural resources by using recycled or discarded wastes as a construction material. Hence the main objective of this work is to study of utilization of waste material in concrete production for rigid pavement construction. A four stages methodology is proposed in this study. these stages are (I) Determination of quantity of various materials for development of concrete mix (II) Identification of significant waste materials and their properties (III) Prepare concrete mix using replacement of cement, sand, and aggregate by waste material and (IV) Comparative evaluation of different properties of developed concrete mix. This study to check the suitability of waste foundry sand (WFS), granulated blast furnace slag (GBFS), and waste rubber tyre (WRT) as a replacement of fine aggregate, cement, and coarse aggregate respectively. The analysis and results indicated that WFS, GBFS, and WRT can be used as a replacement of fine aggregate, cement, and coarse aggregate respectively. Thus, it is expected that the proposed methodology will be useful for researcher to determination of suitability of different alternative materials for replacement of cement, fine aggregate, and coarse aggregate Keywords: Concrete mix, Waste Material, GGBS, WFS, WRT etc.

scholarly journals Construction and Demolition Waste as an Alternative of Rigid Pavement Material: A Review

2021 ◽  
Vol 795 (1) ◽  
pp. 012019
Author(s):  
Ram Vilas Meena ◽  
Harshwardhan Singh Chouhan ◽  
Jitendra Kumar Jain ◽  
Raj Kumar Satankar
Keyword(s):  
Construction And Demolition Waste ◽  
Demolition Waste ◽  
Rigid Pavement ◽  
Pavement Material

Use of Construction and Demolition Waste in Lateritic Concrete

2014 ◽  
Vol 600 ◽  
pp. 386-395
Author(s):  
Taíssa Guedes Cândido ◽  
Yane Coutinho ◽  
Milton Bezerra das Chagas Filho
Keyword(s):  
Coarse Aggregate ◽  
Production Costs ◽  
Construction And Demolition Waste ◽  
Viable Alternative ◽  
Economic Damage ◽  
Hardened Concrete ◽  
Demolition Waste ◽  
Public Places ◽  
Environmental Preservation ◽  
Concrete Production

In recent decades the problem of construction and demolition waste has been receiving more attention due to possible ecological and economic damage caused by them. This is because they are produced in large quantities and often receive inadequate disposal, being deposited illegally in vacant lots, public places and even in areas of environmental preservation. The practice of recycling of construction and demolition waste (CDW) by construction is an alternative that minimizes the amount of waste generated and the impacts caused by them. Moreover, the introduction of alternative materials might reduce the production costs of construction. In Brazil, there is great availability of lateritic concretions. This material, according to some studies, proved to be a viable alternative to be used as coarse aggregate in concrete production. In this study, it is used the CDW as a filler to replace 10% of Portland cement and, as coarse aggregate, lateritic concretions. Tests of physical properties of coarse and fine aggregates and determination of the mechanical strength of hardened concrete were made. The construction and demolition waste used as filler to replace the mass of cement in the mixture proved to be a viable alternative.

scholarly journals Utilization of copper fiber waste to increase compressive strength and split tensile strength of rigid pavement

2021 ◽  
Vol 878 (1) ◽  
pp. 012052
Author(s):  
H Ndruru ◽  
R M Simanjuntak ◽  
S P Tampubolon
Keyword(s):  
Tensile Strength ◽  
Compressive Strength ◽  
Surface Layer ◽  
Concrete Slab ◽  
Residential Areas ◽  
Split Tensile Strength ◽  
Rigid Pavement ◽  
Traffic Loads ◽  
Pavement Construction ◽  
Low Traffic

Abstract The rigid pavement is a pavement construction in which a concrete slab is used as the top layer, which is located above the foundation or directly above the subgrade, without or with an asphalt surface layer. One type of rigid pavement used in Indonesia is rigid pavement without using reinforcement which is usually used in areas with low traffic or residential areas. Pavement without using reinforcement is the small split tensile strength so that the part of the plate will experience cracks due to stresses that cannot be avoided from traffic loads. Therefore, it is necessary to have reinforcement on the concrete slab so that the cracks do not extend. In this research, the use of copper fiber waste from electronic cables as a substitute solution for reinforcement to be used as a mixture in concrete. The experiments were carried out using fiber with variations of 0%, 0.5%, 1%, and 1.5% of the total weight of concrete mixture material and then tested at 28 days of concrete age. This research showed the variation of fiber weight until 1,5% increase the split tensile strength up to 32,46% and the compressive strength up to 9,16%.

scholarly journals Durability vs technical - the usage properties of road pavements

2018 ◽  
Vol 45 ◽  
pp. 00082 ◽  
Author(s):  
Izabela Skrzypczak ◽  
Wojciech Radwański ◽  
Tomasz Pytlowany
Keyword(s):  
Flexible Pavements ◽  
Concrete Pavements ◽  
Rigid Pavement ◽  
Balanced Development ◽  
Road Pavement ◽  
Comparative Review ◽  
New Material ◽  
Pavement Construction ◽  
Technical Solutions ◽  
Permanent Increase

Contemporary trends in development and new material and technical solutions for road pavement should consider the permanent increase in the growth of traffic as well as aspects of environmental protection and balanced development. Nowadays, attempts are made towards estimation of the appropriate thickness for pavement construction already in the phase of its design. Flexible pavements are preferred over rigid concrete roads because of their certain advantages, such as they can be strengthened and improved in stages with the growth of traffic. Flexible pavements are less expensive in regards to their initial cost and maintenance. Concrete pavements are nowadays becoming more popular. The largest advantage for using rigid pavement is its durability and ability to hold its shape against traffic and difficult environmental conditions. Although concrete pavement is less expensive, it requires less maintenance and has a good design life. The main objective of this study is to present a comparative review on the suitability of pavement depending on various parameters such as material, loading, longer life, cost effectiveness etc.

scholarly journals Using Recycled Aggregates from Construction and Demolition Waste in Unbound Layers of Pavements

2020 ◽  
Vol 12 (22) ◽  
pp. 9386
Author(s):  
Sajjad Pourkhorshidi ◽  
Cesare Sangiorgi ◽  
Daniele Torreggiani ◽  
Patrizia Tassinari
Keyword(s):  
Construction And Demolition Waste ◽  
Recycled Aggregates ◽  
Demolition Waste ◽  
Rural Roads ◽  
Recycled Materials ◽  
Natural Resource Conservation ◽  
Traffic Loads ◽  
Harmful Emissions ◽  
Traffic Volumes ◽  
Pavement Construction

Pavements are an expensive part of transportation infrastructures, as their construction and maintenance require large amounts of resources and materials every year and all over the world. A sustainable solution for considering environmental concerns about roads and pavements, in general, is utilizing recycled materials for their construction. This has been shown to lower the carbon footprint of the construction sector and to result in natural resource conservation, in reduction of harmful emissions and in minimization of overall costs for pavement construction and maintenance. One of the main groups of recycled materials which has attracted much attention since the end of the last century is construction and demolition waste aggregates (CDW). This paper reviews the completed studies referring to the use of the construction and demolition waste aggregates in unbound layers of pavements and compare the in-hand results from various engineering assessments of these aggregates and mixes. A number of tests and evaluations are applied in order to enhance the required quality and durability of the pavements under given traffic volumes traffic loads and climate actions. Today, unbound recycled aggregates (RA) are mainly used in the lower layers, such as subgrade, capping, sub-base and base, but in rural roads they can be adopted also for bound layers, towards the surface of the structure and may be constituents of bound layers and of novel surfacing applications.

Composition of demolition wastes from Chi-Chi earthquake-damaged structures and the properties of their inert materials

2009 ◽  
Vol 46 (4) ◽  
pp. 470-481 ◽  
Author(s):  
Chau-Ping Yang
Keyword(s):  
Coarse Aggregate ◽  
The Other ◽  
Inert Material ◽  
Storage Site ◽  
Demolition Waste ◽  
Natural Soils ◽  
Construction Waste ◽  
Waste Storage ◽  
Urban Construction ◽  
Volumetric Content

The disastrous Chi-Chi earthquake struck Taiwan on 21 September 1999 and resulted in the creation of more than 20 million cubic metres of demolition waste, which was stored temporarily at several sites. To reduce the site clearing costs, the inert materials (concrete, brick, pottery, and fines) in the wastes should be reclaimed and recycled immediately; but most of their properties were not known. Therefore, this study investigates the properties of demolition wastes, including inert materials, coarse portions, and fines obtained from two earthquake demolition waste storage sites (Puli and Tali) and one normal urban construction waste storage site (Taichung). It is found that the volumetric content of inert materials from earthquake demolition waste is about 96%. Such inert material is classified as having an excellent subgrade rating and can be reused as subbase and base soils. The abrasion level of the coarse portions of inert materials from the three sites meets the required level of coarse aggregate according to Standard Taiwan Code CNS-490. On the other hand, the maximum dry unit weights of fines of inert materials from the three sites are greater than 14.7 kN/m3, and their shear strengths are higher than that of the same classification group (SW–SM) of natural soils, so they can be reused as construction soils.

scholarly journals Use of RCDs in the Making of Interlocked Pavements with Waste Collected at the Federal Institute of Amazonas – CMC

2019 ◽  
Vol 7 (10) ◽  
pp. 90-96
Author(s):  
Willians Dos Santos Teixeira ◽  
Giselle Cunha do Nascimento ◽  
Lívia Da Silva Oliveira ◽  
David Barbosa de Alencar
Keyword(s):  
Large Scale ◽  
Coarse Aggregate ◽  
Construction And Demolition Waste ◽  
Fine Aggregate ◽  
Construction Sector ◽  
Ordinary People ◽  
Demolition Waste ◽  
Federal Institute ◽  
Renewable Natural Resources ◽  
Recycled Waste

The area of ​​construction is responsible for a large portion of non-renewable natural resources that generate environmental impacts, since the extraction of materials and extend in large scale as waste from renovations, works and demolitions, causing construction and demolition waste, known as RCDs. The aim of this study is to analyze the feasibility of reusing recycled waste from mortars, concrete and ceramic bricks in civil construction, as aggregates in the manufacture of interlocking blocks, in order to simulate the reality of the conventional block produced in the civil construction sector. For the tests, 6 concrete load specimens were molded with coarse aggregate and fine aggregate percentages, respectively: 50% and 25%, following the parameters of NBR 5738. It was possible to conclude that the interlocking pavement made with RCDs is useful. to improve the permeability of land, sidewalks and streets, enabling ordinary people within their homes to produce and apply them.

scholarly journals Sintered Calcined Clay as an Alternative Coarse Aggregate for Asphalt Pavement Construction

2015 ◽  
Vol 05 (03) ◽  
pp. 281-288 ◽  
Author(s):  
Cleudinei Lopes da Silva ◽  
Hidembergue Ordozgoith da Frota ◽  
Consuelo Alves da Frota
Keyword(s):  
Coarse Aggregate ◽  
Asphalt Pavement ◽  
Calcined Clay ◽  
Pavement Construction
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