PPT – High strength concrete PowerPoint …
desirable in protected high-strength concrete. Air is mandatory, where durability in a freeze-thaw environment is required (i.e.. bridges, piers, parking structures). Recent studies ; w/cm 0.30air required. w/cm lt 0.25no air needed. 8 MICROSTRUCTURE. From the general principles behind the design of high-strength concrete mixtures, it is apparent
Mix design-ppt - LinkedIn SlideShare
13-10-2015 · Mix design-ppt 1. BUILDING TECHNOLOGY AND MANAGEMENT CONCRETE MIX DESIGN 2. INTRODUCTION Concrete is obtained by mixing cement, fine aggregate, coarse aggregate, water and admixtures in required proportions. The mixture when placed in forms and allowed to cure becomes hard like stone.
HIGH STRENGTH CONCRETE PPT - LinkedIn …
30-03-2015 · HIGH STRENGHT CONCRETE: • High-strength concrete has a compressive strength greater than 40 MPa. • High strength concrete is made by lowering the water cement (W/C) ratio to 0.35 or lower. • Due to low w/c ratio it causes problem of placing ,to overcome from this superplasticizer used. 6.
principles of concrete mix design.ppt - ACC Help
Concrete Mix Design -Definition Concrete mix design is defined as the appropriate selection and proportioning of constituents to produce a concrete with pre-defined characteristics in the fresh and hardened states. In general, concrete mixes are designed in order to achieve a defined workability, strength and durability .
What is High Strength Concrete? || Types of …
28-06-2018 · Concrete stone with super plasticizer. How to make self consolidated high strength concrete stone - Duration: 5:26. GlobMarble 72,671 views
High strength concrete - LinkedIn SlideShare
High-Value Concrete High-Early-Strength Concrete • High-early-strength cement • High cement content 400 to 600 kg/m3 • Low water-cementing materials ratio (0.20 to 0.45 by mass) • Higher freshly mixed concrete temperature • Higher curing temperature May be achieved by; 18.
High Strength Concrete and High Performance …
10-06-2017 · The mix design of high strength concrete is similar to conventional concrete with minor variations because the volume of mineral admixtures is calculated too. It can be done by two methods IS code method and ACI method. The design procedure explained below is based on ACI method.
PPT – Concrete mix design by PowerPoint …
Methods of Concrete Mix Design I.S. Method British Method A.C.I. Method etc. STEPS INVOLVED IN CONCRETE MIX DESIGN Step I:- Determine the physical properties of ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 3bc27e-NzI1N
Mix Design of High Strength Concrete -Methods, …
25-10-2014 · Mix Design of High Strength Concrete -Procedure. The mean design strength is obtained by applying suitable control factors to the specified minimum strength. For a given type of cement and aggregates used, the reference number corresponding to the design strength at a particular age is interpolated from figure 1 to 4.
Concrete Mix Design - LinkedIn SlideShare
29-03-2015 · Method of Concrete Mix Design • Some of the commonly used mix design methods are • I.S. Method • A.C.I method • Road Note 4 method ( U.K. Method) • IRC 44 method • Arbitrary method • Maximum Density method • Fineness modulus method • Surface area Method • Nix design for high strength Concrete • Mix design for pumpable Concrete • DOE (British) Mix design method
Concrete Mix Design Calculation - M20, M25, M30 ...
The concrete mix design involves various steps, calculations and laboratory testing to find right mix proportions. This process is usually adopted for structures which requires higher grades of concrete such as M25 and above and large construction projects where quantity of concrete …
High Strength Concrete — What, why, & how? – …
Guide to Quality Control and Testing of High Strength Concrete, ACI 363.2R, ACI International Farmington Hills, MI. Creating a balanced mix design for high strength concrete, Bryce Simons, The Concrete Producer, October 1995, www.worldofconcrete.com. Getting Started with High-strength Concrete, Ron Burg, The Concrete Producer, November 1993.
High performance concrete ppt - LinkedIn SlideShare
21-04-2015 · INTRODUCTION Concrete is the most widely used construction material in India with annual consumption exceeding 100 million cubic meters. High performance concrete is a concrete in which certain characteristics are developed for a particular application and environment, so that it will give excellent performance in the structure in which it will be placed. A high-strength concrete is always a ...
(PDF) DESIGN OF HIGH STRENGTH CONCRETE MIXES
High strength concrete offers many advantages in the construction of high-rise buildings and bridges. In many countries, concrete strengths higher than 40 MPa are widely produced on commercial ...
Concrete Mix Design - Sanjay Ghodawat Group of Institutions
Design a concrete mix for construction of an elevated water tank. The specified design strength of concrete is 30 MPa at 28 days measured on standard cylinders. The specific gravity of FA and C.A. are 2.65 and 2.7 respectively. The dry rodded bulk density of …
High Strength Concrete Mix Design (M60 and …
28-06-2017 · High strength concrete(HSC) has been feasible with latest generation High Range water Reducing admixture (HRWRA) and high reactive mineral admixtures like Silica Fumes, Matakaolin etc. High strength concrete becomes high performance concrete with right concrete mix design. Applications of High Strength concrete are high rise building (typically ...
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Concrete Mix Design As Per IS 10262: Data Required for Mix Design of Concrete: i. Concrete Mix Design Data:-(a) Characteristic compressive strength of concrete required at end of 28 days = M 25 (b) Nominal maximum size of aggregate used = 20 mm (c) Shape of Coarse Aggregate = Angular (d) Required workability at site = 50-75 mm (slump Value)
ACI Method of Concrete Mix Design - Procedure …
01-05-2014 · ACI method of concrete mix design is based on the estimated weight of the concrete per unit volume. This method takes into consideration the requirements for consistency, workability, strength and durability. This article presents ACI method of concrete mix design. Contents:ACI Method of Concrete Mix DesignRequired Data:Procedure for ACI Method of Concrete Mix Design1.
IS 10262 (2009): Guidelines for concrete mix design ...
3.2 Target Strength for Mix Proportioning In order that not more than the specified proportion oftest results arc likely to fall belowthe characte ristic strength, the concrete mix has to he proportioned for higher target mean compressive strength J..,.The margin over characteristic strength is given h) ihe following relation: f ek =f.:k + 1.65 ...
Ultra High Strength Concrete | Strength Of …
ULTRA HIGH STRENGTH CONCRETE (UHSC) Prepared by Shihab A. Ibrahim 20131679 Content. Introduction Material properties Mixing Placing Compacting. Pumping Curing Heat treatment Application Mix design. Introduction