Book Name: Concrete Microstructure Properties and Materials by P. Kumar and Paulo Monteiro
Language: English
Format: PDF
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Guide Particulars :
Language English
Pages 684
Format PDF
Dimension 18.6 MB

PREFACE:There’s a direct relationship between inhabitants and urbanization. Over the last 100 years, the world inhabitants has grown from 1.5 to 6 billion and almost 3 billion folks now stay in and across the cities. Seventeen of the 20 megacities, every with a inhabitants of 10 million or extra, occur to be located in creating international locations the place huge portions of supplies are required for the development of housing, factories, business buildings, ingesting water and sanitation services, dams and canals, roads, bridges, tunnels, and different infrastructure.

And the principal materials of building is portland cement concrete. By quantity, the most important manufactures product on the earth right this moment is concrete. Naturally, design and building engineers have to know extra about concrete than about different supplies of building. This e book just isn’t meant to be an exhaustive treatise on concrete. Written primarily for using college students in civil engineering, it covers a large spectrum of subjects in trendy concrete know-how that must be of appreciable curiosity to working towards engineers.

As an illustration, to scale back the environmental affect of concrete, roles of pozzolanic and cementitious by-products in addition to superplasticizing admixtures in producing extremely sturdy merchandise are totally coated. One of many targets of this e book is to current the artwork and science of concrete in a easy, clear, and scientific method. Properties of engineering supplies are ruled by their microstructure. Due to this fact, it’s extremely fascinating that structural designers and engineers within the properties of concrete turn into conversant in the microstructure of the fabric. Regardless of obvious simplicity of the know-how of manufacturing concrete, the microstructure of the product is extremely advanced.

Concrete incorporates a heterogeneous distribution of many strong compounds in addition to voids of various shapes and sizes which may be utterly or partially full of alkaline answer. In comparison with different engineering supplies like metal, plastics, and ceramics, the microstructure of concrete isn’t a static property of the fabric. It is because two of the three elements of the microstructure, particularly, the majority cement paste and the interfacial transition zone between combination and cement paste change with time. In actual fact, the phrase concrete comes from the Latin time period concretus, which suggests to develop.

The power of concrete is determined by the quantity of the cement hydration merchandise that proceed to kind for a number of years, leading to a gradual enhancement of power. Relying on the publicity to setting, options penetrating from the floor into the inside of concrete generally dissolve the cement hydration merchandise inflicting a rise in porosity which reduces the power and sturdiness of concrete; conversely, when the merchandise of interplay recrystallize within the voids and microcracks, it could improve the power and sturdiness of the fabric.

This explains why analytical strategies of fabric science that work properly in modeling and predicting the habits of microstructurally steady and homogeneous supplies don’t appear to be passable within the case of concrete buildings. In regard to group of the subject material, the primary a part of this three-part e book is dedicated to hardened concrete microstructure and properties, reminiscent of power, modulus of elasticity, drying shrinkage, thermal shrinkage, creep, tensile pressure capability, permeability, and sturdiness to numerous processes of degradation. Definition of every property, its significance and origin, and components controlling it are set forth in a transparent method.

The second a part of the e book offers with concrete-making supplies and concrete processing. Separate chapters comprise state-of-the-art opinions on composition and properties of cements, aggregates, and admixtures. There are additionally separate chapters on proportioning of concrete mixtures, properties of concrete at early ages, and nondestructive check strategies. The third half covers particular subjects in concrete know-how. One chapter is dedicated to composition, properties, and functions of particular sorts of concrete, reminiscent of light-weight concrete, high-strength concrete, high-performance concrete, self-consolidating concrete, shrinkage-compensating concrete, fiberreinforced concrete, concretes containing polymers, and mass concrete.

A separate chapter offers with advances of concrete mechanics overlaying composite fashions, creep and shrinkage, thermal stresses, and fracture of concrete. The ultimate chapter incorporates some reflections on present challenges to concrete as probably the most broadly used constructing materials, with particular emphasis on ecological concerns. A particular function of the e book is the inclusion of quite a few distinctive diagrams, images, and abstract tables meant to function instructing aids. New phrases are indicated in italics and are clearly outlined. Every chapter begins with a preview of the contents, and ends with a self-test and a information for additional studying.

Concrete: Microstructure, Properties, and Materials PDF 

Author(s): P. Mehta, Paulo Monteiro

Publisher: McGraw-Hill Professional, Year: 2005

ISBN: 0071462899,9780071462891


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