strength evaluation of recycled aggregate concrete by

strength evaluation of recycled aggregate concrete by

Strength evaluation of recycled-aggregate concrete byin ...

Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted only when the properties of recycled aggregate concrete, in addition to the relationships between different properties of such a concrete, are well understood. The results of an experimental investigation into the relationship of compressive strength to ultrasonic pulse velocity and ...

Strength evaluation of recycled-aggregate concrete by in ...

2015-2-5 · The results of an experimental investigation into the relationship of compressive strength to ultrasonic pulse velocity and to rebound number is presented in this paper. It has been observed that for the water-cured concrete the strength-pulse velocity relationship is influenced by the use of the recycled aggregate.

Strength evaluation of recycled-aggregate concrete by ...

Materials and Structures/ MatOriaux et Constructions, 1988, 21,289-295 Strength evaluation of recycled-aggregate concrete by in-situ tests R. SRI RAVINDRAJAH, Y. H. LOO, C. T. TAM

Strength and Durability Evaluation of Recycled Aggregate ...

2015-5-14 · This paper discusses the suitability of producing concrete with 100 % recycled aggregate to meet durability and strength requirements for different applications. Aggregate strength, gradation, absorption, specific gravity, shape and texture are some of the physical and mechanical characteristics that contribute to the strength and durability of concrete.

Strength and Durability Evaluation of Recycled

2017-8-29 · Strength and Durability Evaluation of Recycled Aggregate Concrete Sherif Yehia*, Kareem Helal, Anaam Abusharkh, Amani Zaher, and Hiba Istaitiyeh (Received October 9, 2014, Accepted April 6, 2015, Published online May 14, 2015) Abstract: This paper discusses the suitability of producing concrete with 100 % recycled aggregate to meet durability and

SHEAR STRENGTH EVALUATION OF REINFORCED

2016-12-1 · SHEAR STRENGTH EVALUATION OF REINFORCED RECYCLED AGGREGATE CONCRETE BEAMS BY Roya Shoghi Haghdoost M.Sc., Iran University of Science and Technology, Tehran, Iran, 2009 A project report presented to Ryerson University In partial fulfillment of the requirements for the degree of Master of Engineering in the Program of Civil Engineering

EVALUATION OF RECYCLED CONCRETE AGGREGATE

2013-9-3 · EVALUATION OF RECYCLED CONCRETE AGGREGATE PRODUCED FROM DEMOLISHED RUNWAY PANELS AS A SUBSTITUTE FOR COARSE AGGREGATES IN NEW PORTLAND CEMENT PAVEMENTS Abstract by Timothy Charles Spry, M.S. Washington State University July 2013 Committee Co-Chairs: David McLean and Haifang Wen

Evaluation of Strength of Recycled Coarse Aggregate

2016-4-7 · Evaluation of Strength of Recycled Coarse Aggregate using Ternary Blended Concrete with Flyash and GGBFS: A Critical Review Sagpariya Pratik1 Prof. S. R. Vaniya2 Prof. R. B. Bhatt3 1,2,3Department of Civil Engineering 1,2,3Darshan Institute of Engineering and Technology (Rajkot), Gujarat Technological University

Experimental study on strength behaviour of recycled ...

2013-3-10 · The concrete specimen with. 100% recycled coarse aggregate at 28 days of curing has the lowest tensile strength, which was only 1.952 N/mm2. It is around 38.81% drop when compared to control. concrete specimen. There is a drop in tensile strength of 10.66%, 18.18%, 24.76% and 34.79% for the concrete.

Performance evaluation of recycled aggregate concrete ...

2019-12-30 · The prediction equation of f'c can be written as: (12) f c ′ = 28.76 - 5.70 · γ 1.69 w / c 0.63. 6. Conclusions. In this paper, experimental results for the failure behavior and mechanical properties of concrete made from recycled coarse aggregates (RCAs), referred to as recycled aggregate concrete (RAC), under uniaxial and triaxial ...

Strength evaluation of recycled-aggregate concrete byin ...

Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted only when the properties of recycled aggregate concrete, in addition to the relationships between different properties of such a concrete, are well understood. The results of an experimental investigation into the relationship of compressive strength to ultrasonic pulse velocity and ...

(PDF) Strength evaluation of recycled aggregate concrete ...

Materials and Structures/ MatOriaux et Constructions, 1988, 2 1 , 2 8 9 - 2 9 5 Strength evaluation of recycled-aggregate concrete by in-situ tests R. SRI RAVINDRAJAH, Y. H. LOO, C. T. TAM Department of Civil Engineering, National University of Singapore, Kent Ridge, Singapore 051t Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted ...

Strength evaluation of recycled-aggregate concrete byin

Strength evaluation of recycled aggregate concrete byin situ tests相关文档 全铝合金模板在某超高层建筑施工中的应用 [3 ] Ravindrarajah R S, Loo Y J, Tam C T. Strength evaluation of recycled aggregate concrete by in

Strength evaluation of recycled-aggregate concrete byin

提供Strength evaluation of recycled-aggregate concrete byin-situ testsword文档在线阅读与免费下载,摘要: ... Natural aggregate concrete 0.30, 0.40, 0.50 0.57, 0.60, 0.70 5.29 6.24 1:1 Crushed granite Natural sand 330-380 Recycled aggregate concrete 0.30, 0 ...

strength evaluation of recycled aggregate concrete by

Strength evaluation of recycledaggregate concrete by in . 高达10%返现 · Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted only when the properties of recycled aggregate concrete, in addition to the relationships between different properties of such a concrete, are well understood The results of an experimental investigation into ...

Strength and Durability Evaluation of Recycled Aggregate ...

The flexural strength of various treated RAC was improved by 4.91 – 25.24% at 28 days more than untreated recycled aggregate concrete. Alkalinity value of concrete is made with all types of ...

Evaluation of Concrete Strength Made with Recycled

The construction industry consumes enormous quantities of concrete, which subsequently produces large amount of material waste during production and demolishing. As a result, the colossal quantity of concrete rubble is disposed in landfills. This paper, therefore, evaluated the feasibility of reusing waste concrete as recycled aggregate (RA) to produce concrete.

Evaluation of Recycled Aggregate for Using in Structural ...

2019-5-21 · their effects on the workability and compressive strength of concrete in Ethiopia is studied. A demolished concrete sample aged 10 years is used as a source for the recycled aggregates. By using different cleaning procedures which includes chemical treatment, the recycled aggregate

Evaluation of Strength of Recycled Coarse Aggregate

2016-4-7 · Evaluation of Strength of Recycled Coarse Aggregate using Ternary Blended Concrete with Flyash and GGBFS: A Critical Review Sagpariya Pratik1 Prof. S. R. Vaniya2 Prof. R. B. Bhatt3 1,2,3Department of Civil Engineering 1,2,3Darshan Institute of Engineering and Technology (Rajkot), Gujarat Technological University

Evaluation of high-strength concrete made with recycled ...

2020-6-1 · The strength of recycled coarse aggregate concrete can be 10–25 % lower than that of natural coarse aggregate concrete, as well as the aggregate soundness test results were within the acceptable loss limit of 12 % with a strength of 30 MPa. this results based on

Strength evaluation of recycled-aggregate concrete by in ...

2020-7-16 · It has been observed that for the water-cured concrete the strength-pulse velocity relationship is influenced by the use of the recycled aggregate. For the same value of the pulse velocity, the strength of recycled aggregate concrete is higher than that for the natural aggregate concrete.

Strength evaluation of recycled-aggregate concrete byin ...

Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted only when the properties of recycled aggregate concrete, in addition to the relationships between different properties of such a concrete, are well understood. The results of an experimental investigation into the relationship of compressive strength to ultrasonic pulse velocity and ...

Strength evaluation of Recycled Aggregate Concrete ...

Figures 1, 2 and 3: Characterization of the physical/mechanical properties of the recycled aggregates. In the second step, new recycled aggregate concrete mixes were designed based on the classified grades for three different required aims: (i) G1 - high-strength concrete, (ii) G1 - self-compacting concrete, and (iii) G2 - concrete for open structure.

strength evaluation of recycled aggregate concrete by

Strength evaluation of recycledaggregate concrete by in . 高达10%返现 · Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted only when the properties of recycled aggregate concrete, in addition to the relationships between different properties of such a concrete, are well understood The results of an experimental investigation into ...

Evaluation of the Strength of Recycled Aggregate

2015-8-3 · Evaluation of the Strength of Recycled Aggregate Concrete using Artificial Neural Network Kavya S. P1 Dr. M. N. Hegde2 1P.G. Student 2Professor 1,2Department of Civil Engineering 1,2Dr. Ambedkar Institute of Technology, Bengaluru-560056 Abstract—Recycled Aggregate Concrete (RAC), obtained by replacing Natural Aggregates (NA) with Recycled

Evaluation of Concrete Strength Made with Recycled

2019-3-1 · Evaluation of Concrete Strength Made with Recycled Aggregate Haitham Al Ajmani 1, Ferass Suleiman 2, Ismail Abuzayed 1 and Adil Tamimi 3,* 1 Department of Civil Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, UAE; [email protected] (H.A.A.); [email protected] (I.A.)

Evaluation of Recycled Concrete for Use as Aggregate in ...

2019-2-13 · Evaluation of Recycled Concrete . WA-RD 826.1 . EVALUATION OF RECYCLED CONCRETE AS . AGGREGATE IN NEW CONCRETE PAVEMENTS . By . Haifang Wen David I. McLean . Assistant Professor Professor . Spencer R. Boyle, Timothy C. Spry and Danny G. Mjelde . Former Graduate Students . Washington State Transportation Center (TRAC) Washington State University

EVALUATION OF RECYCLED CONCRETE FOR USE AS

2013-6-18 · EVALUATION OF RECYCLED CONCRETE FOR USE AS AGGREGATES IN NEW CONCRETE PAVEMENTS Abstract by Daniel Gilbert Mjelde, M.S. Washington State University July 2013 Committee Co-Chairs: David McLean and Haifang Wen The primary objective of this research is to determine if recycled concrete aggregate

Performance Evaluation of Strengthening Recycled Coarse ...

2020-12-28 · This paper attempts to study the effect of different strengthening methods on recycled coarse aggregate (RCA) reprocessed from construction and demolition (C&D) waste. And it aims to obtain the optimal RCA content in cement stabilized recycled mixture (CSRM) applied in the base layer of pavement. Firstly, three strengthening methods were used to strengthen the RCA.

Evaluation on the Mechanical Performance of Low

2017-8-25 · between an aggregate and the cement paste. This is a par-ticularly weak area of concrete that consists of pores around the hydrates and aggregate and is characterized by a dis-continuous and porous area between the aggregate and cement paste (Kumar Mehta and Moneiro 2006). Thus, it is reasoned that the strength of concrete can be improved to a