studied the effect of gas oil and bitumen on the compressive strength of concrete, where sand was contaminated with both gas oil and bitumen at different ratios of weight of sand. Jassim and Jawad  found that oil-exposed concrete showed a decrease in compressive strength … Factors Affecting Strength of Concrete. Concrete strength is affected by many factors, such as quality of raw materials, water/cement ratio, coarse/fine aggregate ratio, age of concrete, compaction of concrete, temperature, relative humidity and curing of concrete.
Nov 14, 2017· Research result shows that the addition of bottom ash to concrete influenced workability in concrete, but it did not significantly influence the compressive strength of concrete. Based on the result of compressive strength test, the optimal compressive strength was obtained from the mixture of cement and 0% bottom ash. Academia.edu is a platform for academics to share research papers.
In addition, applied heat treatment on POF did not change glassy phase or led to a chemical reaction, as shown in the examination of X-RD in Fig. [24 A.M. Zeyad, "Influence of Steam Curing on Engineering and Fluid Transport Properties of High Strength Green Concrete Containing Palm Oil Fuel Ash", PhD thesis, Universiti Sains Malaysia: Penang ... INFLUENCE OF OIL PALM SHELL ON WORKABILITY AND COMPRESSIVE STRENGTH OF HIGH STRENGTH CONCRETE. 1, 2 SCHOOL OF CIVIL ENGINEERING, LINTON UNIVERSITY COLLEGE, LEGENDA EDUCATION GROUP, MALAYSIA . ABSTRACT: This paper illustrates a quantitative study on workability and strength properties of concrete which is
affect the bond between the steel bars used and concrete and consequently the strength of reinforced concrete members will decrease. In present investigation, the bond strength of the oil polluted steel bars with concrete was studied. Tests were conducted on 72 cylindrical concrete specimens with compressive strength of 24 MPa at age of 28 days. Abstract. A network of the feedforward-type artificial neural networks (ANNs) was used to predict the compressive strength of concrete made from crude oil contaminated soil samples at 3, 7, 14, 28, 56, 84, and 168 days at different degrees of contamination of 2.5%, 5%, 10%, 15%, 20% and 25%.
The objective to evaluate the effect of used engine oil on properties of fresh and hardened concrete. However, tests considered for study are slump test and compressive strength test. concrete bond, the specifications could then be revised to possibly allow a specific amount of reinforcing bar contamination, resulting in considerable savings to the concrete construction industry. EXPERIMENTAL PROGRAM Several factors influence the bond strength of the steel-concrete …
Research result shows that the addition of bottom ash to concrete influenced workability in concrete, but it did not significantly influence the compressive strength of concrete. Based on the result of compressive strength test, the optimal compressive strength was obtained from the mixture of cement and 0% bottom ash. The mineral oil content to a percentage of 2% is said to increase the strength of the concrete. But for more than 8% mineral oil, the strength is reduced. The vegetable oil in water used for concrete manufacture shows its detrimental effects on the strength of concrete at its later stages. Maximum Limit of Water Impurities for Concrete Construction
Effect on Workability and Strengthof Concrete due to Variation in Mixing Water Temperature Renjuraj R, Shabana A, Salman Faris, Chinju G Mohan, Shahana M S, Archa M S, Sarath S . Abstract— This project was aimed at determining the effects of mixing-water temperature on the compressive strength andworkability of concrete. Concrete strength. Many factors influence the rate at which the strength of concrete increases after mixing. Some of these are discussed below. First, though a couple of definitions may be useful: The processes of 'setting' and 'hardening' are often confused: Setting is the stiffening of the concrete after it has been placed. A concrete can be 'set' in that it is no longer fluid, but it may ...
A. Kleinlogel, Influences on Concrete, Frederick Ungar Publishing Co., New York, 1950, pp. 91-93. ... which had progressed several inches into the concrete. The concrete away from the oil exposure showed no signs of breakdown and was of good quality, with core strengths of about 3000 psi. Thus, in this case, we know lubricating oils were the ... determine the strength of concrete to a useful order of accuracy. Itis generally known that the strength of concrete made from given materials depends upon the properties of these materials. The water-cement ratio and the amount of air in the hardened concrete have in particular great influence on the strength (5:216). Some
Aug 21, 2013· The Concrete Foundations Association explains the code reference and common misconceptions regarding oil on rebar for residential concrete. ... form oil … This paper investigates the influence of crude oil contamination on the compressive strength of concrete. Concrete produced in regions where crude oil is exploited can have significant changes in its properties as a result of crude oil contamination of its constituents. Various cubes of concrete with varying degrees of crude oil contamination
The Reduction in Strength of Compressive with Ages for Two Media The behavior of compressive strength of concrete cubes cast with gas oil was quite different from those of control cubes as shown ... [AL-Zaidi (2001)] Studied the influence of oil products (gas oil and kerosene) on the physical properties of concrete and he revealed that specimens ured in gas oil and kerosene showed higher c compressive strength for all ages compared with their water counterparts.
This research studies the effects of W/B ratios and palm oil fuel ash (POFA) on compressive strength, water permeability, and chloride resistance of concrete. POFA was ground until the particles retained on sieve number 325 were less than 5% by weight. POFA was used to partially replace OPC at rates of 15, 25, and 35% by weight of binder. not only affect the appearance of concrete (in terms of colour and smell) but also the strength developed by the concrete . The effect of crude oil on the compressive strength of concrete when used as the curing medium had been considered by some authors [4–6], this paper, however, focuses on crude oil as a con-
EFFECT OF OIL ON STRENGTH OF NORMAL AND HIGH PERFORMANC CONCRETE Abstract: The main objective of this investigation is to study the effect of oil (kerosene, gas oil and crude oil) on the compressive and tensile strengths of high performance concrete and to compare the behavior with that of normal strength concrete. The bearing capacity of reinforced concrete sections subjected to oil influence was found to decrease when compared with those of non-oiling influence (Blaszczynski and Scigallo, 2006). ...
Effect of Palm Oil Fuel Ash (POFA) on Strength Properties of Concrete Sooraj V.M. ... POFA. Awa1 et al., (2011) investigated that high volume palm oil fuel ash concrete, like concrete made with other pozzolanic materials, showed a slower gain in strength at early age. Safiuddin et al., (2010) reviewed that the use of POFA is limited to a partial Concrete Technology Strength of Concrete Professor Kamran M. Nemati Winter Quarter 2015 1 Concrete Technology Strength of Concrete Concrete Technology 2 Strength of Concrete In concrete design and quality control, strength is the property generally specified. This is because, compared to most other properties, testing strength is relatively easy.
Concrete is a suitable and popular construction material all over the world and cement is the most important constituent for its production. Due to continuous increasing of the cost of cement, the use of supplementary cementing materials such as industrial by-product (slag, fly ash, silica fume) and biogenic wastes (palm oil fuel ash, rice husk ash, ash from timber) have become significant in ... aggressive effect of mineral oil on concrete by comparing the strength on oil-free concrete and oiled concrete at the same age experimentally is the optimal and most reliable of the existing method. The aggressiveness of oil is very clear for low and high strength concrete and the reduction in
Ejeh and Uche (2009) also investigated the effect of crude oil spill on compressive strength of concrete materials. They concluded that the undiluted crude oil has the highest deterioration effect ... Jul 27, 2017· "FORM OIL Like rust, the question of how much detrimental effect form oil has on reinforcing bars is now the subject of research. The current code provisions within ACI 301, "Specifications for Structural Concrete;' section 22.214.171.124, state, "Do not allow formwork release agent to contact reinforcement;' The NPCA Quality Control Manual for Precast Concrete Plants, section 4.3.2, …
Influence Of Oil On Concrete Strength. EFFECT OF MINERAL OIL ON REINFORCED . EFFECT OF MINERAL OIL ON REINFORCED CONCRETE STRUCTURES PART I . comparing the strength on oil-free concrete and oiled . by the influence of oil can . Get Price And Support Online; INFLUENCE OF RECYCLED CONCRETE . Influence of diesel oil and bitumen on compressive strength of concrete . Gbenga Matthew Ayininuola . Department of Civil Engineering, University of Ibadan, Ibadan, Nigeria. Received on 12 June 2008 . Abstract . The costal areas of Nigeria are polluted with oil due to oil spillage and pipeline vandalism. The
Mar 27, 2019· In this study, a total of 12 specimens, including 9 reactive powder concrete (RPC) slab specimens and 3 normal strength concrete (NSC) slab specimens were fabricated and tested in the laboratory to evaluate the influence of crude oil products on the structural behavior of RPC and NSC slabs. 3.1. Test specimens The residual compressive strength of concrete containing palm oil fuel ash (POFA) after exposure to elevated temperatures and subsequent cooling was investigated. Specimens from ordinary Portland cement (OPC) and POFA concrete mixes were prepared and subjected to various temperature levels.