Download Aggregates in Concrete (Modern concrete technology series by Alexander, Mark Mindess, Sidney PDF

By Alexander, Mark Mindess, Sidney

Bringing jointly in a single quantity the most recent learn and knowledge, this ebook presents a detailed consultant to the choice and use of aggregates in concrete. After an advent defining the aim and function of aggregates in concrete, the authors current an outline of combination resources and creation options, via an in depth research in their actual, mechanical and chemical houses. this data is then utilized to using aggregates in either plastic and hardened concretes, and within the total combine layout. exact aggregates and their functions are mentioned intimately, as are the present major requirements, criteria and exams.

Show description

Read or Download Aggregates in Concrete (Modern concrete technology series 13) PDF

Best technology books

Electrical and Electronic Principles and Technology

During this booklet John chook introduces electric rules and know-how via examples instead of thought - permitting scholars to improve a valid knowing of the rules wanted by means of technicians in fields similar to electric engineering, electronics and telecommunications. No past heritage in engineering is thought, making this an excellent textual content for vocational classes and introductory classes for undergraduates.

Future imperfect: the mixed blessings of technology in America

Those case reports re-evaluate the yank ideology of technological growth and its legacy for the modern high-tech global. Segal bargains examples of the position of expertise in American lifestyles and the connection among technological advances and social advancements.

Animal Cell Technology Meets Genomics: Proceedings of the 18th ESACT Meeting Granada, Spain, May 11–14, 2003

The 18th ESACT assembly was once celebrated in Granada (Spain) in may possibly 2003, and was once entitled "Animal mobilephone know-how Meets Genomics", so as to mirror that the rising applied sciences within the zone of genomics, proteomics and different "-omics"-type disciplines will offer key technological resources to extend wisdom and open new horizons in animal mobile know-how.

Extra info for Aggregates in Concrete (Modern concrete technology series 13)

Example text

Rock types for concrete aggregates Gneiss Hornfels Marble Quartzite (Metaquartzite) Schist, Slate, and Phyllite (preferably not used as concrete aggregates) Distinguishing characteristics and features Metamorphic rocks formed under both high temperature and pressure show massive internal structures and equigranular texture, often resulting in great strength and toughness, for example quartzite and hornfels. Metamorphosed igneous rocks: properties are not usually greatly improved by metamorphism.

Hard rock quarries As sources of granular deposits become depleted, particularly adjacent to areas of high demand such as urban centres, other sources of aggregates must be found. One source is recycled materials, dealt with in Chapter 7. Another is hard rock which is quarried and crushed. In some countries or regions, these materials are the only reasonable source of quality aggregates for concrete and have been used for many decades (Grieve, 2001). 7. It is possible to produce both coarse and fine aggregates from hard rock quarries.

In this sense weathering can be thought of as a process that produces concrete aggregates, sands in particular. Sands tend to be dominated by quartz, with feldspar, mica, and iron oxide as less abundant phases. Quartz is a hard, chemically stable mineral and is a desirable component of concrete sand. Feldspars are less stable and may experience decomposition resulting in the formation of clay minerals. Some sands may contain minerals of high relative density such as garnet, zircon, rutile and ilmenite which 26 Natural aggregate sources and production do not usually affect the behaviour of sand in concrete, provided they are present only in small amounts.

Download PDF sample

Rated 4.26 of 5 – based on 36 votes