Recycled Concrete Aggregate Study In The Philippines

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Study of Properties of Concrete using GGBS and Recycled

granulated blast furnace slag (GGBS) and recycled concrete aggregates GGBS was used as partial cement replacement and recycled aggregates as replacement for fine and coarse aggregate The basic properties of natural and recycled aggregate were determined The mix design was done to obtain a concrete mix (control mix) of grade M40 Get Price

USE OF RECYCLED PLASTIC BAG WASTE IN THE CONCRETE

(2005) investigated the effect of plastic waste (PET bottles) as aggregate on properties of concrete The results obtained in this study showed that these wastes could reduce the weight by 2– 6% of normal weight concrete and the compressive strength was reduced up Get Price

Performance of Recycled Aggregate Concrete

aggregate concrete the slump test was about 1 0cm slump for 60 % coarse recycled aggregate concrete and increases as the percent of recycled aggregate decreases The compressive strength of recycled aggregate concrete with 60 % recycled aggregate is about 76 % of natural aggregate concrete The compressive strength increases as the Get Price

Recycled Concrete Aggregates A Review

Mar 29 20132 Aggregate Properties RILEM ( 1994 ) Type 1 aggregates from masonry rubble Type 2 aggregates from concrete rubble Type 3 mixture of natural (min 80 %) and recycled (max 20 %) aggregate The shape of the aggregate pieces is influential Get Price

recycled concrete aggregate in philippines

Concrete recycling the free encyclopedia When structures made of concrete are demolished or renovated concrete recycling is an Crushed recycled concrete can also be used as the dry aggregate for brand new concrete if it is free of contaminants Get Price

Use of RECYCLED AGGREGATES In CONCRETE

The development of compressive strength of recycled aggregate concrete at the age of 1 3 7 14 28 56 and 90 days the development of tensile flexural strength at the age of 1 3 7 14 and static modulus of elasticity at the age of 28 days are investigated Get Price

Recycled Aggregate Concrete Applications Advantages

Fig 2 – 20 to 40 mm recycled aggregate Advantages of Recycled Aggregate Reduces the amount of aggregates to be created hence less evacuation of natural resources While being crushed into smaller particles a large amount of carbon dioxide is absorbed Get Price

(PDF) Study on the use of Recycled Aggregate in concrete

According recycled concrete aggregate have lower density to Recycling of Portland Cement Concrete (n d ) the because of the porous and less dense residual mortar equipments used to crush and size the existing lumps that is adhering to the surfaces When the concrete have to Get Price

Experimental Study on the Effects of Recycled Concrete

A new method to produce high quality recycled aggregate by heating and grinding concrete rubbles to separate cement portions adhering to aggregate was developed recently In this process by-product powder with the fineness of 400m 2 /kg is generated By-product recycled fine powder consists of fine particles of hydrated cement and crushed Get Price

(PDF) Waste Concrete as a Source of Aggregate for New

Three concrete mixes of widely differing water cement ratios were made using crushed waste concrete as coarse aggregate The properties investigated include the physical properties of the recycled aggregate the compressive and flexural strengths of Get Price

Recycled Concrete Aggregate Federal Highway Administration

Recycled Concrete Aggregate Federal Highway Administration National Review Purpose/Objectives The purpose of this review is to capture for technical deployment the most advanced uses of recycled concrete aggregate and then transfer the knowledge with all State Transportation Agencies (STA) Get Price

Performance of Continuously Reinforced Concrete Pavement

PERFORMANCE OF CONTINUOUSLY REINFORCED CONCRETE PAVEMENT CONTAINING RECYCLED CONCRETE AGGREGATE by Moon C Won Ph D P E Transportation Engineer Materials Pavements Section Construction Division Texas Department of Transportation Report 1753-1 Project Number 0-1753 Research Project Title The Use of Crushed Portland Cement Concrete As Get Price

Recycled Polymer Materials as Aggregates for Concrete and

The potential of recycled waste polymeric materials as a substitute for aggregates in concrete has been investigated in the study Two different types of waste polymer namely polyurethane formaldehyde (PUF) based packaging waste and high density polyethylene (HDPE) were recycled and used in the experiment Concrete and masonry poly block Get Price

Recycled Concrete Aggregate for Use in Reclamation

Recycled concrete aggregate (RCA) is produced by crushing demolished concrete to use in new construction It is most commonly used as a base course in new pavement construction but it can also be used as a coarse aggregate in new concrete This practice has been researched and used in the pavement industry since the 1970's [1]–[3] Get Price

Strength and Durability Evaluation of Recycled Aggregate

May 14 2015Mix proportioning for recycled aggregate concrete the same volumetric ratios of the control mix was adopted for the recycled aggregate however since different grades of the recycled aggregate with different particle sizes were available the following approach was considered in the current study (i) in case of mixes contain grades 1 and 2 Get Price

Experimental study on geopolymeric recycled concrete

Meanwhile recycled aggregate concrete (RAC) is also an effective way to solve the shortage of nature resources problem and avoid environmental pollution caused by landfill Taken these two factors into account this paper describes a study on physical and mechanical properties of recycled aggregate (RA) and fly ash-based geopolymer concrete (GRC) based on six mixtures concrete design Get Price

Crushed Returned Concrete as Aggregates for New Concrete

RMC REF Report Crushed Returned Concrete as Aggregates for New Concrete 17 that of Mixture 4 both of which are identical but for the difference in concrete mixing No significant difference was observed in water content air content density strength (28 90 days) and RCP (90 days) Get Price

Study of Bond Strength of Concrete Using Recycled Aggregates

The demolished concrete could be used as aggregate for concrete resulting in large consumption of the material Recycling is the act of processing the used material for use in creating new product The usage of natural aggregate is getting more intense with the development in infrastructure area Get Price

Evaluation of Recycled Concrete for Use as Aggregate in

This study evaluated the use of recycled concrete as coarse aggregate in new concrete pavements Recycled concrete aggregate (RCA) produced from demolished pavements in three geographically-dispersed locations in Washington state were used to perform testson aggregate characte ristics fresh concrete propertiesand hardened concrete properties Get Price

Recycled Aggregate Concrete

Nov 15 2014Recycled Aggregate Concrete 1 A STUDY ON "RECYCLED AGGREGATE CONCRETE" BY- NEELANJAN SARKAR MURSHIDABAD COLLEGE OF ENGG TECH BRANCH -- Civil engineering Year -- 3rd year (6th sem) 2  I would like to express my gratitude to all those who gave me the possibility to complete this project Get Price

Public Roads

Michigan State University is looking into the use of recycled plastic in portland cement concrete In this study recycled high-density polyethylene (HDPE) was used to replace from 20 to 40 percent of fine aggregate by volume (7 5 to 15 percent by total volume) in a lightweight concrete mix Get Price

A STUDY ON RECYCLED CONCRETE AGGREGATES

the recycled aggregate concrete is almost 85% and 80% of natural aggregate concrete Amn on et al (2002) concrete having a 28 -day compressive strength of 28 MPa was crushed at ages 1 3 and 28 days to serve as a source of aggregate for new concrete Get Price

recycled concrete aggregate study in the philippines

Use of Recycled Aggregate Concrete cement could be offset by the lower cost of Recycled Concrete Aggregate 1 4 Objectives of the study - Recycled Concrete Aggregates A Review By collecting the used concrete and breaking it up recycled concrete aggregate (RCA) is created Get Price

Self

Dec 30 2017As in the previous work the recycled concrete aggregate hail from the destruction of a never completed concrete construction in Italy (e g buildings of Punta Perotti Bari Italy) where masonry and gypsum were totally absent thus constituting an adequate selection for the reuse of medium-high compressive strength concrete in new structures CDW was suitably crushed and Get Price

An Experimental Study on the Effects of Recycled Concrete

of 25% 50% 75% and for Untreated Recycled Aggregate concrete (UTRA) and Treated Recycled Aggregate concrete (TRA) The results are noted at 7th 14th and 28th day The values obtained for compressive strength after testing is penned down in the table 2 It clearly shows that at 25% replacement of TRA after 28th days of curing the Get Price

Evaluation of Crushed Concrete Base Strength

Evaluation of Crushed Concrete Base Strength Prepared for Mississippi Department of Transportation State Study No 238 Project No SPR-1(59) 106002 160000 Prepared by L Allen Cooley Jr Ph D Howard Hornsby EIT BURNS COOLEY DENNIS INC GEOTECHNICAL AND MATERIALS ENGINEERING CONSULTANTS Get Price

Self

Dec 30 2017This paper investigates the shrinkage and creep of self-compacting concrete prepared with coarse and fine recycled concrete aggregates (up to 40% of total amount of aggregates) Physical properties and porosity measurements are studied and related to the mechanical properties Get Price

Construction Industry Waste Management

Case Study Of Recycled Aggregate Concrete Ankit Sahay1 Gaurav Saini2 1 2(Department of Civil Engineering Sharda University India) ABSTRACT The rapid economic growth of country has lead to heavy investment in construction of new infrastructure and replacement of older infrastructure This has lead to a new variety of solid waste that Get Price

Ways to Recycle and Reuse Concrete

Concrete is recycled by using industrial crushing equipment with jaws and large impactors After the concrete is broken up it is usually run through a secondary impactor and is then screened to remove dirt and particles and to separate the large and small aggregate Get Price

THE EFFECTS OF AGGREGATE MOISTURE CONDITIONS ON

mortar Fine recycled-concrete aggregate (FRCA) was used in this study in mixtures to replace natural aggregate at different degrees Fine aggregates both natural and recycled aggregates were used to prepared SCC mortar in two moisture conditions wet condition and dry condition The change of workability and rheology of SCC mortar over time was Get Price

An experimental study on the effect of recycled aggregate

In this experimental study the effect of the recycled aggregate on interfacial property permeability and strength characteristics of the concrete was evaluated in order to examine the relationship between the recycled aggregate and the performance of the hardened concrete Five types of recycled aggregate and four levels of w/c ratio were tested Get Price

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