Feb 01, 1996· The durability of reactive powder concretes (RPC) has been defined by measuring porosity, air permeability, water absorption, diffusion, and migration of chloride ions, accelerated carbonation, resistance to reinforcement corrosion, resistivity, and resistance to mechanical abrasion...
🕑 Reading time: 1 minute Durability and strength are two most important criteria for the design of reinforced concrete structur These are the two requirements for the long term performance of concrete structur Any deficiency in any of the two ie durability and strength, could make the structure unfit for the intended purpose...
The study focuses on the durability of aramid-fiber-wrapped concrete by considering the compressive strength parameter of the concrete cube Concrete cubes are prepared as specimens with a double wrapping of aramid fibers Diluted hydrochloric acid solution is used for immersion of specimens for curing periods of 7, 30, and 70 days...
In research studies on durability of lightweight concrete in the past, researchers have almost always employed the use of air-entrainment and have generally produced durable concrete in the laborato-ry from most commercial sources of synthetic lightweight aggregate (2, 5, ,...
Durability Studies on Steel Fiber Reinforced Concrete P 1Vamsi Krishna , N Srinivasa Rao2 1PG Student, Department of Civil Engineering, 2Assistant Professor, Department of Civil Engineering, Annamacharya Institute of Technology and Sciences, Andhra Pradesh, India -----***-----Abstract - Concrete is the most versatile man-made...
Jan 27, 2010· Durability of concrete may be defined as the ability of concrete to resist weathering action, chemical attack, and abrasion while maintaining its desired engineering properti Different concretes require different degrees of durability depending on ,...
Feb 21, 2021· It further includes actual concrete mixture proportions for high performance concrete for strength and durability under various aggressive environments based on the author's experience in the field, and support this with illustrative case studi Examples for concrete mixture proportions, based on the current industry practice and standards ....
durability of concrete bridge decks - a review of cooperative studi the results of concrete bridge deck durability studies are summarized condition surveys were made of over 1,000 randomly selected decks in california, illinois, michigan, minnesota, new jersey, ohio, ,...
The Durability of Concrete Produced with Portland-Limestone Cement: Canadian Studies Michael DA Thomas1 and R Doug Hooton2 INTRODUCTION Portland-limestone cements (PLC) have been allowed by the European Standard, EN197-1, since...
Mar 01, 2011· Reinforced concrete is an excellent material in terms of structural performance and durability [7] Durability is a key factor in strengthening any ,...
The paper summarizes the results of concrete bridge deck durability studies made by the Portland Cement Association in cooperation with the U S Bureau of Public Roads and 10 state highway departments Condition surveys were made of over 1,000 randomly selected decks in California, Illinois, Michigan, Minnesota, New Jersey, Ohio, Texas, and ....
Durability Study To study the durability aspects, the following tests on the concrete specimens are conducted as per the standard procedure Sulphate Attack Solid sulphates do not attack the concrete severely but when other chemicals come into contact, they try to find entry into porous concrete and react with the hydrated cement products...
Jul 07, 2015· Concrete durability 10 Case studies: durability problems, repair strategies or proper consideration to durability design? Authors: Marios Soutsos x Marios Soutsos Search for articles by this author University of Liverpool, UK Marios Soutsos x Marios Soutsos ....
Sep 22, 2017· Durability is not a luxury feature of expensive structures or infrastructure projects only Durable concrete structures have plenty of benefits to the ,...
Dec 01, 2004· @misc{etde_20577754, title = {Study on durability of concrete in coal mine} author = {Zhang, Y, Jin, Z, Sun, W, and Guan, X} abstractNote = {There are sulfate and chloride ions corrosion and carbonation of concrete in coal mine Based on taking test of accelerated carbonation, corrosion of 35% weight of NaCl solution and 5% weight of Na{sub 2}SO{sub 4} solution of coal mine concretes ....
Experimental program was designed to compare compressive strength and durability of concrete with M₂₅ grade of concrete and with replacement of ordinary Portland cement with nano-silica with various percentages (1%, 15%, 2%, 35% & 4%) The comparative study of mechanical properties of conventional and nano-concrete were studied with optimum...
The latter study wlll continue over a period of 5 to 5 years starting thls winter Laboratory Stud:vt As ptJrt of the general investigation of the durability of concrete pavements in Michigtm, laboratol--y studies have been 1mdertalcen to supplement thll field survey a:nd the durability field study of the Michigan ,...
The aim of this study is to explore the durability of concrete with FNS fine aggregate Two kinds of FNS with different storage time were selected The radioactivity detection, XRD test and stability detection of FNS were conducted to ensure FNS can be used as construction materials...
Feb 21, 2021· It further includes actual concrete mixture proportions for high performance concrete for strength and durability under various aggressive environments based on the author's experience in the field, and support this with illustrative case studi Examples for concrete mixture proportions, based on the current industry practice and standards ....
present investigation is to study the durability characteristics of fibre reinforced concrete and to develop the Regression models for the durability characteristics The durability properties investigated in this study are sulphate attack, Depth of Carbonation 2 EXPERIMENTAL PROGRAMME 21 ,...
durability of concrete bridge decks - a review of cooperative studi the results of concrete bridge deck durability studies are summarized condition surveys were made of over 1,000 randomly selected decks in california, illinois, michigan, minnesota, new jersey, ohio, ,...
This study evaluated the durability properties of self-compacting concrete made with recycled aggregate for pavement application The developed mixture was subjected to permeability, water ....
Durability of concrete is an important factor considered for structur Effect of GGBFS of durability properties of concrete is discussed in this article Durability is an important factor that must be appreciable for any structure so that it is performing for the requirement for which it is built for It is a time period requirement...
This paper investigates the influence of sea water when used to mix concrete on the long term durability of concrete under a marine environment In addition, the effects of the type of cement and the cover thickness on the long term physical properties and durability of concrete are also studied Many specimens were exposed for twenty years at the tidal zone of an experimental pool...
Dec 31, 2018· As a part of durability study, the combined effect of marine environment and varying levels of pH on the ultimate bond strength retention and compressive strength retention of glass fiber reinforced concrete was also studied Durability studies were carried out by exposing the 28-day cured cubical specimens into marine environment having ....
Jun 09, 2014· In order to improve the durability of fly ash concrete, a series of experimental studies are carried out, where durability improving admixture is used to reduce drying shrinkage and improve freezing-thawing resistance The effects of durability improving ....
Sep 27, 2020· Importance of Durability of concrete: When designing a concrete mix design or structure, the exposure situation at which the concrete is meant to withstand is to be assessed; It is reported that in developed countries over 40 % of the overall sources of the building industries are spent on repairs and maintenance...
Corpus ID: 55996473 Study on Strength and Durability of Concrete by Partial Replacement of Fine Aggregate Using Crushed Spent Fire Bricks @article{Keerthinarayana2010StudyOS, title={Study on Strength and Durability of Concrete by Partial Replacement of Fine Aggregate Using Crushed Spent Fire Bricks}, author={S Keerthinarayana and R Srinivasan}, journal={The Bulletin of the Polytechnic ....
The Study on the Durability of the Concrete Structure Abstract: The concrete structure is the most widely used engineering structure It is very important to have the durability detection and evaluation of the concrete structure This article describes the conditions of the durability research of concrete structure in home and abroad, the ....
The Study on the Durability of the Concrete Structure Abstract: The concrete structure is the most widely used engineering structure It is very important to have the durability detection and evaluation of the concrete structure This article describes the conditions of the durability research of concrete structure in home and abroad, the ....