predicting the workability of fresh concrete using simple

Predicting the Workability of Fresh Concrete Using Simple ...

Predicting the Workability of Fresh Concrete Using Simple Pull-out Test Ekwulo E. O1., Igwe E. A2. Department Of Civil Engineering, River State University Of Science And Technology, Nkpolu-Oroworukwo, Port Harcourt Nigeria ABSTRACT: Workability is one of the physical parameters of concrete which affect strength and durability

get price

Predicting the Workability of Fresh Concrete Using Simple ...

Predicting The Workability Of Fresh Conc rete Using Simple Pull-Out Test ijres 22 Pa ge The K elly ball test [4] deve loped in the United States of Americ a is an alternative test to ...

get price

Predicting the Workability of Fresh Concrete Using Simple ...

Jul 14, 2017  Predicting The Workability Of Fresh Concrete Using Simple Pull-Out Test ijres 22 Page The Kelly ball test [4] developed in the United States of America is an alternative test to slump test. This test has the unique advantage of being applied to concrete in a wheel barrow or actually in the formwork.

get price

A MODEL FOR PREDICTING WORKABILITY OF FRESH MORTAR

A MODEL FOR PREDICTING WORKABILITY OF FRESH MORTAR AND CONCRETE Somnuk TANGTERMSIRIKULI, Jittbodee KHUNTHONGKEAW2 and Phichai KITTICHAROENKIAT3 1 Member of JSCE, Dr. Eng., Associate Professor 2Graduate student, B. Eng. 3Former graduate student, M. Eng. Dept. of Civil Eng. and Envir. Tech.,

get price

Prediction of workability of concrete using design of ...

Feb 25, 2008  The model could easily predict the rheological parameters. Modeling of the fresh stage properties of concrete using ANN and other soft computing methods are

get price

State of workability design technology for fresh concrete ...

Sep 01, 2007  An inexpensive and efficient workability design is to predict and further optimize the workability of concrete by flow simulation for the selected construction processes, e.g. transportation, casting, compaction, finishing, etc. Clarifying and modeling the rheological behaviors of fresh concrete, and establishing a suitable flow analysis method are the most basic conditions of workability ...

get price

Fresh Concrete: Workability

Workability is the ability of a fresh (plastic) concrete mix to fill the form/mold properly with the desired work (vibration) and without reducing the concrete's quality. Workability ... and gravel provide greater workability to concrete than crushed sand and aggregate.

get price

Predicting the Workability of Self-Compacting Concrete ...

The results showed that ANN-2 is the best suitable for predicting the workability of SCC using concrete ingredients as input parameters. Discover the world's research 20+ million members

get price

Prediction of Flowability, Compressive and Flexural ...

fresh properties in self-compacting concrete must ensure that fresh concrete can pass obstacles in the compaction process, such as reinforcement and several other obstacles. Knowing the factors that influence the value of workability can predict the value of fresh properties from self-compacting concrete using the fuzzy method.

get price

Prediction of the Fresh Performance of Steel Fiber ...

May 14, 2020  Steel fiber reinforced self-compacting concrete (SFRSCC) is a special type of concrete that is widely researched in literature due to its superior properties. As it is difficult to provide its high workability qualities, SFRSCC is thought to be in need of an economic and quick design process. In this study, it is aimed to predict the fresh properties of SFRSCC mixtures following with the ...

get price

What is Workability of Concrete? - Gilson Co.

Developed in the 1970s by Dr. Karim (Kay) Nasser, a professor at the University of Saskatchewan, the K-Slump tester provides fast, on-the-spot estimates of fresh concrete slump and workability. This device is useful for its portability and convenience and can be deployed for use in areas where stable set up of a slump cone would be difficult.

get price

What Is Workability of Concrete Factors Affecting ...

Workability of Concrete. Workability is a property of raw or fresh concrete mixture. In simple words, workability means the ease of placement and workable concrete means the concrete which can be placed and can be compacted easily without any segregation.

get price

Prediction of the mechanical properties of structural ...

Mar 01, 2016  Prediction of the mechanical properties of structural recycled concrete using multivariable regression and genetic programming ... to predict the recycled concrete properties with the same approximation degree as in conventional and recycled concretes. ... This also leads to a loss in the workability of the fresh concrete which has to be ...

get price

Numerical method for predicting flow and segregation ...

Jul 09, 2021  Current meshless particle methods are able to simulate the flow of fresh concrete, but fail to predict the segregation since fresh concrete is regarde

get price

Predicting the ingredients of self compacting concrete ...

Dec 01, 2017  Self compacting concrete (SCC) is a highly flowable type of concrete that spreads into form without the need of mechanical vibration. This paper presents a comparative study between two methodologies which have been applied on two different data sets of SCC mixtures, which were gathered from the literature, using artificial neural network (ANN).

get price

(PDF) Fuzzy Logic Model for Prediction of Properties of ...

Fuzzy Logic Model for Prediction of Properties of Fiber Reinforced Self-compacting Concrete. Witold Brostow. Download PDF. Download Full PDF Package. This paper. ... Workability and Mechanical Performance of Steel Fiber-Reinforced Self-Compacting Concrete with Fly Ash.

get price

Prediction of some properties of retempered concrete in ...

predicting some properties of the fresh and hardened concrete in term of simple properties of the retempered concrete mixes, theoretical results obtained from these proposed equations found to be in good agreement with the experimental data found in literature [3]. Analysis and Results Method of multi-linear regression analysis is used to proposed

get price

Rheological Properties of Concrete - Civil Engineering ...

Jan 05, 2021  The selection of a proper test and interpretation of the obtained results to predict the performance of concrete in the field are not that easy. The American Concrete Institute’s Report on Measurements of Workability and Rheology of Fresh Concrete (ACI 238.1 R

get price

Predicting the compressive strength of steel fiber added ...

Apr 01, 2008  Bai et al. presented neural networks for the prediction of workability of concrete incorporating metakaolin and fly ash. These two materials were the only two input parameters to neural networks. Two independent models using the data sets with water to binder ratio of 0.4 and 0.5 were established and tested.

get price

Adjusting Workability of Successful 3-D Concrete Printing

Feb 15, 2021  The 2-part featured session titled Adjusting Workability of Successful 3-D Concrete Printing is moderated by Nicos Martys and Scott Jones, and will highlight the importance of controlling fresh-state properties for the successful execution of 3-D concrete printing (3-DCP). 3-DCP is a new method of casting that can introduce a number of ...

get price

Prediction of properties of self-compacting concrete ...

Jun 07, 2016  This paper investigates the feasibility of using artificial neural networks (ANNs) modeling to predict the properties of self-compacting concrete (SCC) containing fly ash as cement replacement. For the purpose of constructing this model, a database of experimental data was gathered from the literature and used for training and testing the model.

get price

Prediction of Flowability, Compressive and Flexural ...

fresh properties in self-compacting concrete must ensure that fresh concrete can pass obstacles in the compaction process, such as reinforcement and several other obstacles. Knowing the factors that influence the value of workability can predict the value of fresh properties from self-compacting concrete using the fuzzy method.

get price

PREDICTION OF CONCRETE COMPRESSIVE STRENGTH

improved strength prediction (R2 =0.98) was achieved. INTRODUCTION Concrete has an extremely versatile use in construction due to its availability, flexibility of handling, giving shape to any desired form and as such is the most widely used construction material in use today. Compressive strength of concrete is one of its most important

get price

Prediction of some properties of retempered concrete in ...

predicting some properties of the fresh and hardened concrete in term of simple properties of the retempered concrete mixes, theoretical results obtained from these proposed equations found to be in good agreement with the experimental data found in literature [3]. Analysis and Results Method of multi-linear regression analysis is used to proposed

get price

Statistical Analysis and Prediction Models for Performance ...

fresh concrete is a decrease in the workability of the fresh concrete (lower values of slump and compacting factor) [1], [2]. Thus, it is obvious that when concrete is cast in hot and dry conditions, the water content should be increased and the fresh concrete should be remixed to maintain the workability of the fresh concrete [3].

get price

Numerical method for predicting flow and segregation ...

Jul 15, 2021  The development and use of concrete rheometers has undergone a shift from complicated to more simple geometries over the last 50 years, mainly due to the introduction of flowable concrete

get price

28-Days Strength of Concrete in 15 Minutes - Civil ...

Feb 05, 2015  Simple Method for Analysis of Fresh Concrete A simple method for the analysis of concrete just discharged from the mixer and then predicting the 28-days strength of concrete in 15 minutes is described. In this method no costly equipment is required and the method is simple for use at construction sites.

get price

What is Workability of Concrete? Types, Mechanism - Civil ...

Types, Mechanism. Workability is a property of raw or fresh concrete mixture. In simple words, workability means the ease of placement and workable concrete means the concrete which can be placed and can be compacted easily without any segregation. Workability is a vital property of concrete and related with compaction as well as strength.

get price

Predicting the ingredients of self compacting concrete ...

Dec 01, 2017  Self compacting concrete (SCC) is a highly flowable type of concrete that spreads into form without the need of mechanical vibration. This paper presents a comparative study between two methodologies which have been applied on two different data sets of SCC mixtures, which were gathered from the literature, using artificial neural network (ANN).

get price

Prediction of properties of self-compacting concrete ...

Jun 07, 2016  This paper investigates the feasibility of using artificial neural networks (ANNs) modeling to predict the properties of self-compacting concrete (SCC) containing fly ash as cement replacement. For the purpose of constructing this model, a database of experimental data was gathered from the literature and used for training and testing the model.

get price

Rheological Properties of Concrete - Civil Engineering ...

Jan 05, 2021  The selection of a proper test and interpretation of the obtained results to predict the performance of concrete in the field are not that easy. The American Concrete Institute’s Report on Measurements of Workability and Rheology of Fresh Concrete (ACI 238.1 R

get price

Adjusting Workability of Successful 3-D Concrete Printing

Feb 15, 2021  The 2-part featured session titled Adjusting Workability of Successful 3-D Concrete Printing is moderated by Nicos Martys and Scott Jones, and will highlight the importance of controlling fresh-state properties for the successful execution of 3-D concrete printing (3-DCP). 3-DCP is a new method of casting that can introduce a number of ...

get price

Prediction of Compressive Strength of Self-Compacting ...

Prediction of Compressive Strength of Self-Compacting Concrete (SCC) with Silica Fume Using Neural Networks Models Self-Compacting Concrete (SCC) is a relatively new type of concrete with high workability, high volume of paste and containing cement replacement materials such as slag, natural pozzolana and silica fume.

get price

Prediction model for compressive strength of basic ...

Oct 30, 2014  In the present paper, we propose a prediction model for concrete compressive strength using artificial neural networks. In experimental part of the research, 75 concrete samples with various w/c ratios were exposed to freezing and thawing, after which their compressive strength was determined at different age, viz. 7, 20 and 32 days. In computational phase of the research, different prediction ...

get price

(PDF) Prediction of Compressive Strength of Concrete by ...

In the competitive nature of construction, concrete has a versatile use in the construction practice. The compressive strength of concrete is mostly used criterion in producing concrete. However testing for compressive strength of concrete specimens

get price