Wednesday, April 17, 2019

High performance concrete Research Paper Example | Topics and Well Written Essays - 2500 words

High action cover - Research Paper ExampleThe concept has gone thru series of evolutions, since the birth of knowledge almost mixing water, cement, and mix. Advent of high effect cover is the result of this evolution. This research in brief demonstrates distinct aspects of this remarkable expression material and how it has so far served people being an integral part of colonial structures. Table of Contents Index Page Introduction 4 Why high carrying into action cover? 5 Literature Review 7 Purpose 8 Development history of high performance concrete 8 High performance concrete Concept and exploration 8 Methodology 12 Research approach 13 Analyses 14 Finding and discussion 15 Case study 20 Conclusion 24 Conclusion and recommendation 25 Bibliography 26 Introduction Why high performance concrete? Civil engineering construction uses different building materials. Some argon naturally occurring substances, and others are man do. Concrete is a manmade material using naturally occu rring substances. Base material of concrete is water, and cement, while aggregate materials are sand, gravel, crushed stone, blast furnace slag. Base material produces a bedspread type material in which aggregate materials are bonded. cementumitious binding process of aggregate materials plays a vital role in achieving the end product concrete. ... Systematic tests to determine compressive and tensile force play of concrete were performed between 1835 and 1850, along with the primary accurate chemical analysis. In 1860 modern composition of Portland cements became available (Inspecting the World n.d.), and since that time concrete has made its rigid step in civil engineering construction as one of the basic building materials. Formation of concrete takes place in two stages fresh state and hardened state ( n.d.). new-fashioned state concrete is plastic, and it flows to produce a given morphologic form. Hardened concrete attains its full structural metier. As a b uilding construction material concretes hardened strength honour is used in civil engineering design. Hardened strength value implies concretes compressive strength. Structural behavior of concrete is to resist compression. Compressive strength of concrete depends on paste strength (water and cement), interfacial bonding (bonding between paste and aggregate), and aggregate strength (aggregate works like bone in the human body). Compressive strength value of concrete made of a specific mixture of cement, water, and aggregate composition is tested at a laboratory. Compressive strength is measured (Concrete in Practice n.d.) by breaking a cylindrical specimen in a compression-testing machine. This test is conducted according to the ASTM C 31 and ASTM C 39 procedure and method. In 1970s, any concrete mix with 28 days age showed compressive strength about 40 MPa was considered to be high strength (berekley.edy n.d.). Residential and light commercial building uses compressive strength in the range of 17 Mpa to 34 Mpa (Portland Cement Association n.d.). Constructions like high-rise building, long

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.