Asr thesis outline

After this introduction and problem formulation, Chapter 2 surveys major lines of research on ISD methods, defines ISD, and characterizes the role of a method and tools in its enactment. In Chapter 3 we survey the literature on metamodeling and method engineering. Our goal here is first to introduce some principle elements of ME, and second to examine what kind of ME tasks and metamodeling languages have been proposed to address method development. The limitations of current ME approaches, especially related to representing method knowledge and improving methods in use, form a motivation for the development of an incremental ME approach.

The alkali-silica reaction ASR in concrete was first recognized by Stanton in the late s as a source of deterioration[1, 2].

Creating a Thesis Statement & Outline

Researchers have shown that alkali content in the cement greater than 0. However, even with the low alkali cement, ASR can happen with highly reactive aggregates.

The reaction between reactive silica and alkali in the pore solution produces a hydrous alkali-silica gel, often referred to as ASR gel. Formation of the ASR gel alone does not cause cracking, however when the gel absorbs water it shows significant Asr thesis outline to swell.

The resulting expansion often results in pressures greater than what the concrete can withstand, which in turncauses cracks in the concrete.

The reaction process can be viewed as a two- step process: This research investigates the influence of pore solution alkalinity on ASR expansion. Low alkali and high alkali cement based concrete- pore solution was matched by soak solution alkalinity. A well-known reactive aggregates was selected in the investigation: Material properties used in the investigation Cement: A high-alkali alkali content of the cement was measured at 0.

A reagent grade sodium hydroxide was used to boost the alkali level of concrete to 1. The test specimens are demolded 24 hours after casting.

Subsequent length change readings are periodically taken at 3, 7, 10, 14, 21, 28, 42, 56, 70 and 84 days. The details of the test method can be found in the references[3]. Pore Solution Calculation The pore solution composition of the concrete mixtures was predicted based on the equation developed by Helmuth and Diamond[5]: This will likely overpredict the pore solution alkalinity, even in case of a mixture with SCM to produce a conservative estimate on the effectiveness of the job concrete mixture.

It can be noted that Chen and Brouwers[6] reported a method for alkali concentration only for slag cement. Research conducted by Rivard et al. However, in the MCPT the specimens are kept in soak solution, therefore the alkalinity lost can easily be replenished by the surrounding soak solution.

Results and Discussions 3. Expansion Results Analysis of Different Alkali Cements and Soak-solutions Three set of tests were conducted with different cement alkali content in the mix. The concrete prisms made of Spratt limestone were submerged in soak solution matching pore solution alkalinity at 60 degree Celsius.

Three concrete prisms were made in each batch.

6 Outline of the thesis

The three tests conditions are as follows- 1. Cement alkali boosted to 1. Cement alkali of 0. Age in daysuntil 84 days, are shown in Figure 1. Soak solution alkalinity Figure 3. At later stage, day, the overall expansion in the high alkaline environment is much higher than low alkaline environment.

This can be due to the fact that the average rate of expansion for high alkaline situation during the test period is much higher than the low alkaline situation.Write the thesis statement: i.

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Thesis Statement Guide: Sample Outline Use the outline below, which is based on the five–paragraph essay model, when drafting a plan for your own essay. This is meant as a guide only, so we encourage you to revise it in a way that works best for you. Thesis Submitted to the Faculty of the the ASR with the BRIEF MI, ERQ Reappraisal Score, and Secondary Finally, I outline the goals and hypotheses for the current study.

Executive Function, Working Memory, and Attention Executive functions are a group of cognitive processes that regulate an. The other important parts you should include in your thesis proposal outline are: literature review, hypotheses, definition of terms, assumption, scope & limitations, procedure and long-term consequences.

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