ppt of factors affecting strength of concrete

Some factors affecting early compressive strength of steam ...

When fly ash is included in concrete and the raw materials were selected, the factors affecting early compressive strength are water–binder ratio, fly ash content, etc. In this context, heat-treatment parameters, which are commonly adopted by most plants in China, were determined, and some factors affecting early compressive strength of steam ...

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Important Factors Affecting the Compressive Strength of ...

The Factors Affecting the Compressive Strength of Concrete are. ... One Comment on "Important Factors Affecting the Compressive Strength of Concrete" Gabriel says: June 24, 2018 at 6:34 pm Thanks for the good lecture. But my question is explain factors affecting Tue compressive strength of concrete. Reply. Leave a Reply Cancel reply.

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Factors affecting Concrete Mix Design - Happho

May 20, 2015· Factors affecting concrete strength Concrete porosity: voids in concrete can be filled with air or with water. Air voids are an obvious and easily-visible example of pores in concrete. Broadly speaking, the more porous the concrete, the weaker it will be. Probably the most important source of porosity in concrete is the ratio of water to cement ...

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CIVL 1101 - Part 13 - Strength

However, strength has become universally accepted as the most important indication of concrete quality. Factors that effect concrete strength may be divided into four categories: (1) constitute materials, (2) methods of preparation, (3) curing procedures, and (4) test conditions. We have already discussed methods of preparation and curing.

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(PDF) Factors affecting the strength of structural ...

Factors affecting the strength of structural lightweight aggregate concrete with and without fibers in the 1,200–1,600 kg/m3 density range

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Workability of Concrete | Factors Affecting Workability of ...

Workability is one of the physical parameters of concrete which affects the strength and durability as well as the cost of labor and appearance of the finished product. Concrete is said to be workable when it is easily placed and compacted homogeneously i.e without bleeding or Segregation. Unworkable concrete needs more work or effort to be compacted in place, also

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STRENGTH -

Compressive strength and factors affecting it From the standpoint of strength, the water-cement ratio -porosity relationis undoubtedly the most important factor, however direct determination is not practical. And very complex. To simplify an understanding of these factors, they are …

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What are Properties of Hardened Concrete|Governing Factors ...

Sep 16, 2013· Tensile Strength: Concrete is very weak in tension, it is so weak that the tensile strength of concrete is usually ignored in the design of Reinforced concrete structures.It is utilized in the design of prestressed concrete design. Tensile strength of concrete is usually calculated using the formula 0.7 sqrt (fck or fcu).

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WHAT ARE THE FACTORS INFLUENCING COMPRESSIVE …

Chapter Six Strength of Concrete General: Strength of concrete is commonly considered its most valuable property, although in many practical cases, other characteristics, such as durability and permeability may in fact be more important. Nevertheless strength usually gives an overall picture of the quality of concrete because

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Top 14 Factors Affecting Strength Of Concrete ...

Factors Affecting Strength and Durability of Concrete Made with Various Cements K. RosE, B. B. HoPE, AND A. K. C. IP This investigation examined variables influencing the 28-day com­ pressive strength and SO-cycle salt scaling loss of concretes made with 18 Type 10 cements. Statistical analysis was performed on

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Factors affecting properties of hardened concrete - A ...

When concrete dries out it is filled with air and reduce the concrete density. As a result, it reduces the strength and durability of concrete. Type and amount of cement: The primary factors affecting concrete compressive strength is the amount of cement.

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(PDF) Key factors affecting the compressive strength of ...

This contribution aims to highlight, from an experimental point of view, the key factors affecting the compressive strength of foamed concrete.

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FACTORS AFFECTING STRENGTH OF CONCRETE

FACTORS AFFECTING STRENGTH OF CONCRETE FACTORS AFFECTING CONCRETE STRENGTH Concrete strength is effected 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. 1. Quality of Raw Materials:

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Properties of Concrete - Workability, Setting, Bleeding ...

Factors affecting setting: Following are the factors that affect the setting of concrete. 1. Water Cement ratio 2. Suitable Temperature 3. Cement content 4. Type of Cement 5. Fineness of Cement 6. Relative Humidity 7. Admixtures 8. Type and amount of Aggregate. 2. Workability of Concrete

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What is Concrete Strength and what are the factors ...

Note: Compressive Strength (CS) of cement given are average values. We at engineeringcivil.com are thankful to Sir Kaushal Kishore for submitting this research paper and helping all civil engineers understand the concept of Concrete Strength and factors affecting it.

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15 Factors Affecting Durability of Concrete - The Constructor

Concrete is heterogeneous material, when fresh concrete is subjected to high temperature rate of hydration gets affected and strength and durability becomes reduced. Concrete ingredients have different thermal coefficients, so at higher temperatures, spalling and deterioration of concrete happens.

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Hydration of cement - LinkedIn SlideShare

Aug 18, 2016· IRS-T 40 SPECIAL CEMENT This cement is manufactured as per specification laid down by ministry of Railways under IRS-T40: 1985. It is Very fine cement with high C3S content for high early strength. It will be used to manufacture of concrete sleepers for Indian Railways. This cement also used in prestressed concrete elements, high rise buildings ...

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Factors Affecting Workability of Concrete - Civil Engineering

Factors Affecting Workability of Concrete. Workability of concrete is measured in terms of the ease of mixing and placing of concrete.Highly workable concrete can easily be mixed, placed and transported. All the materials and processes involved in producing concrete affect the workability of concrete.

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Factors Affecting Strength of Concrete - CIVIL ENGINEERING ...

REFERENCES: BUILDING MATERIAL AND CONSTRUCTION BY V.K. KUMAWAT.; Indian standard code 10262-2009. Factors which affect the strength of concrete: Water – Cement Ratio: Water cement ratio is one of the most important factors which govern the strength of concrete. Water cement ratio is the weight of water in proportion to weight of cement expressed in terms of percentage.

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Durability of Concrete | Types of Durability and Factors ...

Factors affecting durability of concrete. Durability of Concrete depends upon the following factors. Cement content. Mix must be designed to ensure cohesion and prevent segregation and bleeding. If cement is reduced, then at fixed w/c ratio the workability will …

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A study of factors affecting the flexural tensile strength ...

Many factors have been shown to influence the flexural tensile strength of concrete, particularly the level of stress, size, age and confinement to concrete flexure member, etc. The concrete members, in general, are of large continuous size and have at least minimum reinforcement introducing a confining effect to the concrete.

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List and describe the factors influencing the strength of ...

Bonding: Concrete is an aggregate comprised of sand, gravel and cement (usually). As non-metals, they are covalently bonded and covalent bonds are very strong bonds, especially in giant lattices, meaning it is very hard and strong. Covalent bonds...

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ppt of factors affecting strength of concrete

Factors Affecting Strength, that affect strength Some of the factors I listed are either so subjective that one can, there is no concrete evidence that it .... More information Factors Affecting Anchor Bolt …

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Hardened Concrete

Factors affecting strength of concrete Water/cement ratio and degree of compaction Ratio of cement to aggregate Grading, surface texture, shape, strength and stiffness of aggregate particles Maximum size of aggregate.

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FACTORS AFFECTING DURABILITY OF CONCRETE - CIVIL ...

Sep 03, 2016· Although compressive strength is a measure of durability to a great extent it is not entirely true that strong concrete is always a durable concrete. For example it is structurally possible to build a jetty pier in marine conditions with 20 Mpa concrete, environmental conditions can lead this structure to disastrous consequences.

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Factors influencing compressive strength of concrete ...

Factors influencing compressive strength of concrete masonry prisms Open PDF. Magazine of Concrete Research. ISSN 0024-9831 | E-ISSN 1751-763X. Volume 48 Issue 175, June 1996, pp. 95-101. Prev Next > Factors influencing compressive strength of concrete masonry prisms ...

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Key Factors Affecting Strength of Concrete - Structural Guide

Mar 30, 2020· In general, cement is considered one of the highly influential factors affecting strength of concrete. Aggregates. Aggregate is the material bond with the cement paste after reacting with water. Therefore, the quality of the aggregate effect on the strength of concrete. Generally, 80% of the volume concrete is filled by aggregates.

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A study of factors affecting the flexural tensile strength ...

been paid to study the parameters affecting the flexural tensile strength of concrete. The effect of the factors like age and con-finement of concrete on flexural strength has not been investi-gated properly and proper inter-dependency of various factors that affect the flexural strength …

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