Alkali aggregate reaction
ALKALI-AGGREGATE REACTION IN CONCRETE
... Proceedings of the 10th International Conference on Alkali-Aggregate Reaction in Concrete.. 18 - 23 August-1996 Melbourne.[r] ...
Alkali-Aggregate Reaction: Definition, Influence and Control
... The alkali-aggregate reaction is a pathological manifestation due from chemical processes of interaction of reactive minerals that are present in some aggregates, and alkali hydroxides from ...
9
Diagnosis of concrete structures distress due to alkali-aggregate reaction
... Faculty of Civil Engineering and Architecture, Kielce University of Technology, 7 Tysiąclecia Państwa Polskiego Ave., 25-314 Kielce, Poland Abstract. Damage and defects observed in concrete elements, such as a network of ...
7
Alkali Aggregate Reaction in Nuclear Concrete Structures Part I: A Holistic Approach
... The Alkali Silica Reaction (AAR), a type of Alkali Aggregate Reaction (AAR), is observed in some concrete structures in Eastern Canada due to the presence of siliceous minerals in the ...
10
Developing numerical algorithm and a new program for simulating alkali aggregate reaction in mass concrete
... the reaction, containing of making extra loads due to reaction and then simulating concrete properties ...of alkali aggregate reaction on the structural behavior of arch dams and the ...
8
Review of Investigating the strength, Alkali Aggregate reaction and influence of elevated temperature in cement mortar contains Granite powder
... 1,2,3,4 Anna University Regional Campus, Tirunelveli, TN, India. Abstract - Sustainability in Cement mortar Production can be achieved by innovations in substitutions of materials used. Innovations are much needed to ...
7
Effects. The Environment. Alkali-Aggregate Reaction
... In low-alkali concretes the ASR expansion caused by NaCl was even greater than that developed by the high-alkali materials and for concretes exposed to salt solutions, it w[r] ...
9
Material, structural and modelling aspects of alkali aggregate reaction in concrete
... The structural part of the research program deals with the evaluation of the performance of squat shear walls made with ASR concrete against similar squat shear walls made with normal concrete. Six shear walls were ...
10
Alkali Aggregate Reaction in Nuclear Concrete Structures: Part 4: Modelling and Analysis
... After being cured for 14 days in a standard moisture room, all specimens were placed in a 0.5 N concentration alkali solution. The solution was made by adding 10 grams of NaOH, 14 grams of potassium hydroxide KOH ...
10
ICAAR I I. 8th Internationl Conference on Alkali-Aggregate Reaction -307-
... Rogers f.!,n who noticed several peculiarities : expansion develops slowly with the mortar bar test and only in severe conditions with the Canadian concrete prism test (38°C, high alkali[r] ...
6
Alkali Aggregate Reaction in Nuclear Concrete Structures: Part 2: Concrete Materials Aspects
... The occurrence of alkali silica reaction (ASR) has been identified in nuclear power plants (NPP) in both Canada and the United States. Although ASR has been widely studied for several decades, few studies ...
9
Alkali Aggregate Reaction in Nuclear Concrete Structures: Part 3: Structural Shear Wall Elements
... 2 Technical Specialist, CNSC-CCSN, Canada ([email protected]) * Corresponding Author ([email protected]) ABSTRACT The experimental structural part of the program is focused on testing of ...
10
Effects of alkali-silica reaction on mechanical behavior of four-pile caps
... Keywords: concrete, alkali-aggregate reaction, pile caps, mechanical properties, numerical analysis. Resumo: Estudou-se numericamente o comportamento estrutural resultante de reações álcali-agregado ...
11
Comprehensive Assessment and Impact of Alkali-Silica Reaction on the Seismic Response of a Nuclear Structure
... PROPERTIES Alkali-silica reaction (ASR) is one of the two recognized types of alkali-aggregate reaction and is a common cause of concrete ...and alkali ions in concrete to form ...
10
Study of bond between epoxy, steel reinforcing bars and concrete affected by alkali-silica reaction
... Publié dans : the 15th International Conference on Alkali-Aggregate Reaction, July 03th - 07th , 2016 - São Paulo, SP, Brazil: http://ibracon.org.br/icaar/ determined in accordance with ASTM ...
10
Test Methods for Identifying the Susceptibility of Aggregate to Alkali Silica Reaction (ASR)– An Overview
... of aggregate samples with microscopic ...an aggregate, to determine the relative amounts of the constituent in the aggregate, and to compare samples of aggregates from newly selected sources from ...
7
The reaction of fused alkali nitrate with naphthacene.
... Verghese, Kachappillil Ittoop, "The reaction of fused alkali nitrate with naphthacene." (1965).. Electronic Theses and Dissertations.[r] ...
24
Characterisation of Sandstone Aggregates for Alkali Silica Reaction
... aggregate reaction, an interaction between alkalis present in alkaline pore solution originating from the Portland cement and reactive minerals in certain types of ...
6
A factorial approach to the study of alkali-silica reaction in concrete
... for mixes containing no reactive aggregate, no allowance made for original alkali content of.. sand or p.f.a.[r] ...
532
Alkali Activated Concrete with Steel Slag Aggregate for Concrete Pavements
... in alkali activated slag/ fly ash concrete mixes. The mix design for alkali activated slag/ fly ash concrete mixes was optimized and further steel slag coarse aggregates were incorporated in the optimized ...