factors affecting curing of concrete

  • Workability of Concrete - Tests & Factors Affecting ...

    Apr 30, 2016· Workability of concrete is defined as the ease and homogeneity with which a freshly mixed concrete or mortar can be mixed, placed, compacted and finished. Strictly, it is the amount of useful internal work necessary to produce compaction.

  • Creep Of Concrete - Factors Affecting Creep Of Concrete

    Dec 31, 2016· Creep Of Concrete: Creep can be defined as the elastic and long-term deformation of concrete under a continuous load. Generally, a long term pressure changes the shape of concrete structure and the deformation occurs along the direction of the applied load. When the continuous load is removed, the strain is decreased immediately.

  • Factors Affecting Strength of Concrete - The Constructor

    Quantity of cement used in concrete mix will also be a factor affecting durability of concrete. If cement content used is lower than the required, then water cement ratio becomes reduced and workability also reduced. Adding more water to this mix results in formation capillary voids which will make ...

  • Curing Concrete – Normal, Hot and Cold Weather

    Curing can therefore be achieved either through maintaining mixing water in the concrete during early hardening or by preventing moisture loss from the surface by sealing. The ultimate choice of the particular method to use will take into consideration factors such as economy, esthetics, member shape, etc.

  • FACTORS AFFECTING THE CURING AND STRENGTH OF POLYMER CONCRETE.

    FACTORS AFFECTING THE CURING AND STRENGTH OF POLYMER CONCRETE. Journal of the American Concrete Institute, 80(5), ... investigation was to study the effects of a number of factors on the setting time and mechanical behavior of polymer concrete. Factors included the initiator-to-promoter ratio, initiator and promotor levels, casting temperature ...

  • 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 …

  • Factors Affecting the Curing and Strength of Polymer Concrete

    The objective of this investigation was to study the effects of a number of factors on the setting time and mechanical behavior of polymer concrete. Factors included the initiator-to-promoter ratio, initiator and promotor levels, casting temperature, testing temperature, aggregate …

  • WHAT ARE THE FACTORS INFLUENCING COMPRESSIVE …

    Factors Affecting Strength Test Results of Concrete Compressive strength is the most important property of concrete. The compressive strength of concrete is determined in the laboratory in controlled conditions. On the basis of this test result we judge the quality of concrete. But sometimes the strength test results vary so widely that it becomes difficult […]

  • Studies on some factors affecting CO2 curing of ...

    This paper deals with the effects of several factors, such as CO 2 pressure, curing time, water-to-cement ratio and continued curing after CO 2 curing on temperature profiles, CO 2 curing degree and strength of concrete. Results indicated that the accelerated reactions between CO 2 and cement minerals happen mainly during the first 15 min regardless of CO 2 pressure and pre-conditioning ...

  • Dimensional Stability - Shrinkage - The Concrete Portal

    This is the shrinkage associated with the removal of water from concrete by drying. Only the cement paste in concrete is susceptible to drying shrinkage. Numerous factors affect drying shrinkage, such as – ambient conditions, w/c, specimen size, amount of aggregate, and degree of hydration.

  • Bleeding of Concrete: Causes, Effect and Ways to Reduce it

    Aug 15, 2017· Bleeding of Concrete: Causes, Effect and Ways to Reduce it. Concrete is a mixture of cement, fine aggregates and course aggregates. Number of problems can occur in concrete due to improper mixing, curing and placing, one such problem is “bleeding” in concrete.

  • Factors Affecting Properties Of Concrete - dailycivil.com

    Other factors that have an effect on the magnitude of shrinkage include mix proportions, material properties, curing methods, environmental conditions, and geometry of the specimen. Water content has been found to affect the magnitude and rate of drying shrinkage in concrete.

  • Factors Affecting Durability of Concrete Surfaces

    Test results show that slump, curing, and time of finishing are the most important factors affecting the abrasion resis­ tance of concrete surfaces. Concrete receiving an application of a monomolecular film to retard evaporation during the fin­ ishing period showed an increase in abrasion resistance. A

  • What is meant by Striking Formwork | Removal of Formwork ...

    Aug 11, 2016· Tunnel Formwork Removal – Anti infiltration concrete tunnel formwork system Factors Affecting Period of Striking of Formwork. Period elapsed before the removal of formwork depends on various factors and will be different job to job. Some of the important controlling factors that determine the time required before removal of shuttering are as follows:

  • Role of Concrete Curing - cement.org

    Curing plays an important role on strength development and durability of concrete. Curing takes place immediately after concrete placing and finishing, and involves maintenance of desired moisture and temperature conditions, both at depth and near the surface, for extended periods of time.

  • Effect of Curing Methods on Density and Compressive ...

    This study considered the effect of different methods of curing on density and compressive strength of concrete. Concrete cube specimens of mix 1:2:4 were prepared with water-cement ratio of 0.65. The cubes were cured using six methods (air curing, water-submerged curing, spray curing, polythene curing, moist sand curing and

  • Curing Concrete

    Curing Concrete . Curing is defined as “maintenance of a satisfactory moisture content and temperature in the concrete for a period of time immediately following placing and finishing so that the desired properties may develop.” surface and may result in surface crazing and crackEarly curing is critical when the concrete will

  • What are the factors affecting the durability of concrete ...

    May 13, 2018· The strength of concrete is affected by various factors including its ingredients, environmental factors, post-processes or works, and so on. 1. Increasing aggregate size increases the strength of the concrete; however, the affect is insignificant...

  • The Importance of the Factors Affecting Concrete Shrinkage

    The Importance of the Factors Affecting Concrete Shrinkage 1 Purpose This paper summarises the research on the causes creating shrinkage strains in concrete and thus the likelihood of shrinkage cracking, illustrates the conflicting requirements in the selection of concrete properties and attributes and provides information on the relevance

  • Some factors affecting early compressive strength of steam ...

    (1) The content of UFA, pulverized slag, and water content are the main factors affecting the compressive strength of steam-curing concrete. The preheating time and silica fume have influence on early compressive of steam-curing concrete, but have …

  • Factors Affecting Strength of Concrete - cegyan.com

    May 01, 2015· 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. Workability increases if more water is added.

  • How does curing affect the strength of the concrete? - Quora

    Dec 10, 2016· Concrete cures no matter what. It is how you treat the concrete during the curing process that will determine the quality of the concrete once it has cured. Concrete crystals grow within the matrix of concrete from the reaction between Portland ce...

  • Strength of Concrete - University of Washington

    Concrete Technology 9 2) Factors affecting the strength,fc Effect of materials and mix proportions Curing conditions (Time, Temperature, ... Curing of Concrete. Concrete Technology Strength of Concrete ... The compressive strength of concrete is measured by …

  • Top 15 Factors Affecting Strength of Concrete

    The factors affecting the strength of concrete are mentioned below. These factors can be either dependent or independent of each other when comes to the concrete strength. Most of the factors are interrelated in certain means. The primary factor that has a higher influence on the strength of the concrete is the mix design factors. Each of them is mentioned and explained in detail one by one.

  • Some factors affecting the compressive strength of ...

    May 25, 2015· Some factors affecting the compressive strength of concrete Open PDF. Magazine of Concrete Research. ISSN 0024-9831 | E-ISSN 1751-763X. Volume 19 Issue 60, September 1967, pp. 165-172. Prev Next > Some factors affecting the compressive strength of concrete Authors: B. P. Hughes, BSc, PhD ...

  • Factors affecting kinetics of CO 2 curing of concrete ...

    Request PDF on ResearchGate | Factors affecting kinetics of CO 2 curing of concrete | In this study, a model was proposed to describe the CO2 curing of concrete. Then, it examined the effects of ...

  • Factors Affecting Curing and Effects of Concrete Curing ...

    Concrete that has been specified, batched, mixed, placed, and finished can still be a failure if improperly or inadequately cured. Curing is usually the last step in a concrete project and, unfortunately, is often neglected even by professionals. Factors Affecting Curing of Concrete. The best curing method depends on: Cost; Application ...

  • How Long Does Concrete Take to Cure? What Factors Affect ...

    Concrete doesn’t reach its full strength instantly after hardening – it has to go through the curing process first. That means you have to wait a little longer before putting any weight on it – so if you’ve just laid a driveway, keep your car away from it for the time being and read this article to learn all about the concrete curing process.

  • Factors affecting properties of hardened concrete - A ...

    The primary factors affecting concrete compressive strength is the amount of cement. The higher the cement content, the greater the tendency for shrinkage cracks to form while the concrete is curing and hardening. Types of cement also has a great impact on the properties of hardened concrete.

  • Effect Of Different Curing Methods On The Compressive ...

    The study present the effect of different curing methods on the compressive strength of concrete using Portland cement and finally identifies the most effective curing process for normal concrete. MATERIALS AND METHODS Locally available crushed granite stones and fine aggregate (quartzite sand)were used as coarse and fine aggregate respectively.

  • What factors affect the shrinkage and creep of concrete ...

    Oct 21, 2017· CREEP OF CONCRETE: Creep can be defined as the elastic and long-term deformation of concrete under a continuous load. Generally, a long term pressure changes the shape of concrete structure and the deformation occurs along the direction of the app...