experiment of technique of recycle of aggregate

(PDF) Experimental Study on Recycled Concrete Aggregates with ...

This research was conducted on recycled cement concrete aggregates of demolished structures and Rice Husk Ash (RHA). The purpose of this experimental study is to analyze the mechanical properties...

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Experimental study of concrete using recycled coarse aggregate

An experimental study of recycled aggregate concrete (RAC) using recycled coarse aggregate (RCA) is reported. The RCA was obtained from construction and demolition waste (C&DW) and used as full ...

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PERFORMANCE OF RECYCLED AGGREGATE CONCRETE

Recycled Aggregate (RA) - used as coarse aggregate The recycled coarse aggregates were produced by crushing the waste concrete cubes at outer UTHM Material Laboratory that had compressive strength between 20 to 25 MPa. These waste cubes were broken into smaller pieces and crushed using a jaw crusher.

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Recovery of high quality aggregate from concrete waste using ...

recycled coarse aggregate is stayed on the low voltage electrode when the concrete is crushed. The concrete of about 5kg can be crushed by this device at once in laboratory. The concrete shown in Figure 5 was used in this research. The size of the concrete test piece is 15cm×15cm×60cm. The recycled aggregate is collected

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Using Microwave Heating to Completely Recycle Concrete

The aim of this study was to develop a technique for the complete recycling of concrete based on microwave heating of surface modification coarse aggregate (SMCA) with only inorganic materials such as cement and pozzolanic materials (silica fume, fly ash).

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Self-healing concrete with recycled aggregates - ScienceDirect

Jan 01, 2020 · However, Wang et al. (2017), who made concrete with recycled mixed aggregates and recycled concrete aggregates, both treated by a similar biodeposition technique than the used one in this study, claimed that compressive strength of manufactured concrete was increased by 40% when concrete aggregates were added and 16% when mixed aggregates were ...

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Utilisation of recycled concrete aggregates for sustainable ...

Feb 28, 2020 · Such aggregates are referred to as recycled concrete aggregates (RCA). The use of RCA in different aspects of structural applications have been proven to be effective with some forms of modifications in their mix design and other improvements, but to date, there is yet a very high laxity in the utilization of RCA for highway pavement ...

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Tests show promise for recycled aggregate use in concrete ...

Nov 24, 2015 · The objective of this experiment was to study the possibility of using recycled aggregates produced from high quality concrete rejects in concrete structures designed according to common engineering practice and using current calculation procedures. Recycled aggregates are made of crushed stone and attached mortar.

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Research on Composite Strengthening Nano-Technique of ...

The work described in this document forces on composite strengthening technique of recycled aggregate. In this experiment, recycled aggregates are soaked in different types and different concentrations of nanomaterials to strengthen. This research estimates the strengthening effects by comparing the properties of recycled aggregate soaked in different materials, and proves that the composite proportioning has better effect.

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Concrete recycling - Wikipedia

Concrete recycling is the use of rubble from demolished concrete structures. Recycling is cheaper and more ecological than trucking rubble to a landfill. Crushed rubble can be used for road gravel, revetments, retaining walls, landscaping gravel, or raw material for new concrete.

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