Cementitious Composites with Steel Reinforcement

Cementitious Composites with Steel Reinforcement
With the advent of new materials, there is a constant need for designers to find innovative ways to incorporate these materials into new applications. The field of civil engineering is currently at a cross Read More...

Cements and Concrete Mixtures for Sustainability

Cements and Concrete Mixtures for Sustainability
The climate changes, due to man-made global warming triggered by steeply rising volume of greenhouse gases, composed mostly of carbon-dioxide, is a very serious issue that is being addressed Read More...

Effects of Adding Chemical Admixtures in Retempered Concrete

Effects of Adding Chemical Admixtures in Retempered Concrete
In situations like delivery of concrete from central mixing plant, in road construction, in constructing lengthy tunnels, in transportation of concrete by manual labor, in hilly terrain long hauling of concrete is required Read More...

Online Strength Monitoring of Ready Mixed Concrete

Online Strength Monitoring of Ready Mixed Concrete
The operating characteristic (OC) curves measure the performance of a sampling plan. This can be used to find out the producer’s risk and consumer’s risk. In context to commercial ready mixed Read More...

Use of RECYCLED AGGREGATES In CONCRETE- A Paradigm Shift

Use of RECYCLED AGGREGATES In CONCRETE- A Paradigm Shift
One of the major challenges of our present society is the protection of environment. Some of the important elements in this respect are the reduction of the consumption of energy and natural Read More...

The Influence of Flyash Addition on Fresh Properties of Silica Fume Concrete

This paper deals with the effect of granular characteristics of mineral admixtures like silica fume and flyash added in binary or ternary combinations on the water requirement of resultant concrete. The role of superplasticizers in modifying the rheology has been investigated. Superplasticizers are the admixtures that are added to concrete in very Read More...

Trends in Concrete Construction

Trends in Concrete Construction
Concrete is one of the oldest and most widely used building materials in the world. In one form or another various types of concrete have been used for construction purpose for around 9,000 years by now. Concrete platforms dating Read More...

Experimental Investigation on the Strength and Durability Characteristics of Concrete Containing

The use of silica fume as a mineral admixture for the production of high strength concrete and high durable concrete is gaining importance in recent years. The objective of the present experimentation is to study the effect of silica fume as additive on the strength and durability characteristics of concrete obtained using locally Read More...

New Building Material- Freshly Ground Lime Instead of Cement

New Building Material- Freshly Ground Lime Instead of Cement
By the end of the Nineteenth century, the British rulers had imported ‘Cement’ to India and commenced discouraging the method of using freshly ground lime for masonry construction that was in vogue in India since ages Read More...

Strange are the Ways of Cement and Concrete

Strange are the Ways of Cement and Concrete
It is commonly recognized that the compressive strength and other useful properties of concrete increase with increasing duration of curing, more particularly moist curing (lower curve in Figure 1). This knowledge of increasing Read More...

An Overview of Some Development in CONCRETE TECHNOLOGY

An Overview of Some Development in CONCRETE TECHNOLOGY
There has been rapid advances in concrete technology during the past three decades or so. The improvement in strength and other structural properties achieved earlier through the use of steel Read More...

Self Curing Concrete An Introduction

Self Curing Concrete An Introduction
Excessive evaporation of water (internal or external) from fresh concrete should be avoided; otherwise, the degree of cement hydration would get lowered and thereby concrete may develop unsatisfactory properties Read More...

GREEN CONCRETE and GLOBAL WARMING

GREEN CONCRETE and GLOBAL WARMING
There are several causes for global warming including carbon dioxide emission from burning of fossil fuels for the purpose of electricity generation. Coal accounts for 93 percent of the emissions from Read More...

High Performance Concrete Admixtures

High Performance Concrete Admixtures
Admixtures are the ingredients in concrete which are other than the hydraulic cementitious material, water, aggregates or fiber reinforcement that are used as ingredients of a cementitious mixture to Read More...

RMC - A Revolution in Production of Concrete

RMC - A Revolution in Production of Concrete
Ready mixed concrete, by far the most common form of concrete, accounts for more than half of all concrete consumption. Ready mixed refers to concrete that is batched for delivery from a central mixing plant instead of being mixed Read More...

Designing Reinforced Concrete Structures for Long Life Span

Designing Reinforced Concrete Structures for Long Life Span
Innovation in construction industry is highly linked with development of advanced construction materials. In the recent two–three decades lot of research relating to how to enhance the life of reinforced concrete structures has been Read More...

Integral Watertight Concrete Structures- An Insight

Integral Watertight Concrete Structures- An Insight
Since the Stone Age mankind has struggled to keep the structures watertight, Even today’s struggle is on to deploy one or other kind of waterproofing system to achieve total water tightness of structures Read More...

Effect of Usage of Admixture in Concrete

Concrete consists of cement, sand, aggregate and water. Anything other than these if added in concrete either before or during mixing to alter the properties to our desired requirement are termed as admixtures. The use of admixtures offers certain beneficial effects to concrete like improved workability, acceleration or retardation of setting time, reduce Read More...

Self Compacting Concrete for Rafts and Retaining Walls

Self Compacting Concrete for Rafts and Retaining Walls
Self–compacting concrete can be defined as a category of High Performance Concrete that hasexcellent deformability in the fresh state and high resistance to segregation and can be Read More...

Reinforced Concrete:High-Strength Steel Fiber Reinforced Concrete

Reinforced Concrete:High-Strength Steel Fiber Reinforced Concrete
The combined use of silica fume having pozzolanic reaction and filler effect, and super-plasticizer will improve the interface of the materials, thereby enhancing the strength of the concrete, can lead to Read More...

Load Capacity: Concrete Types And How They Behave

Load Capacity: Concrete Types And How They Behave
Accurately calculating and predicting the pressure that poured concrete will exert on the formwork, is one of the most important tasks when planning on-site concrete works. Sure knowledge of the expected Read More...

Carbonation A Durability Threat for Concrete

Carbonation A Durability Threat for Concrete
The rate of carbonation depends on porosity (for CO2to Diffuse) & moisture content of the concrete (for dissolution of solid Ca(OH)2). The diffusivity of CO2 depends upon the pore system of hardened Read More...

Prestressed Concrete in Building: Advantages and Economics

Prestressed Concrete in Building:  Advantages and Economics
Prestressed concrete is a method for overcoming concrete's natural weakness in tension. Prestressing tendons (generally of high tensile steel cable or rods) are used which produces a compressive stress Read More...

Conventional Vis–a–Vis Mineral Admixed Concrete

Conventional Vis–a–Vis Mineral Admixed Concrete
This article presents a comparison between conventional concrete and mineral admixed concrete to be used in the construction of cement concrete pavements. Mineral admixtures such as flyash Read More...

Shear Strengthening of RC Beam by Externally Bonded Side Gfrp Strips

Shear Strengthening of RC Beam by Externally Bonded Side Gfrp Strips
In recent years, several studies have been conducted to investigate the flexural strengthening of reinforced concrete (RC) members with fiber reinforced composite fabrics. Shear failure of RC members is disastrous and occurs with Read More...

Realistic Cable Modeling in Prestressed Concrete Structures

Realistic Cable Modeling in Prestressed Concrete Structures
Concrete is perhaps the most important construction material due to its various added advantages. The major problem with concrete is that it is very weak in tension. To strengthen the concrete to withstand tensile stresses, reinforced Read More...

Effect of Temperature on rubber latex modified tertiary blended concrete

Effect of Temperature on rubber latex modified tertiary blended concrete
Extensive research work for decades is in progress throughout the globe in concrete technology in finding alternative materials which can partially or fully replace ordinary Portland cement (OPC) and Read More...

Strength Properties of Steel Fibre Reinforced Concrete

Strength Properties of Steel Fibre Reinforced Concrete
It has been estimated that several million tones of waste glasses are generated annually worldwide. The key sources of waste glasses are waste containers, window glasses, window screen, medicinal Read More...

Concrete Suitable for Higher Temperature

Concrete Suitable for Higher Temperature
Concrete structures need repair and rehabilitation many a time as they get damaged due to excessive stresses due to unforeseen forces caused by man-made or natural disasters. But there are few situations in practice, where concrete is Read More...

Comparative Studies of Different Cements with Different Standards

The compressive strength of four cements (Three PPC and one OPC) was determined according to different international standard, BIS, BS, ASTM and Sri Lanka. The 28 days strength of one PPC is 53 MPa, the other two shows 48MPa when tested as per BIS. The 43 grade OPC also shows 50 MPa at 28 days. However, when tested as per BS & ASTM methods Read More...

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NBM&CW

New Building Material & Construction World

New Building Material & Construction World
MGS Architecture

Modern Green Structures & Architecture

Modern Green Structures & Architecture
L&ST

Lifting & Specialized Transport

Lifting & Specialized Transport
II&TW

Indian Infrastructure & Tenders Week

Indian Infrastructure & Tenders Week