doi:https://doi.org/10.2478/cee-2022-0029

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Publication Date

Wed Jun 01 2022

Journal Name

Civil And Environmental Engineering

Volume

18

DOI

https://doi.org/10.2478/cee-2022-0029

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Effect of Alkali - Activated Natural Pozzolan on Mechanical Properties of Geopolymer Concrete

Zainab M.

Ali A.

Hamid K.

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Abstract<p>As an alternative to Ordinary Portland Cement (OPC), the alkali-activated binders have been developed with better technical characteristics and more extended durability. The Alkali-Activated Iraqi Natural Pozzolans (AANP) could produce geopolymer cementation building materials and make them ecologically acceptable. The primary advantage of geopolymer cement is that it has a lower environmental effect that contributes to it. The engineering characteristics of geopolymer concrete produced using activated Iraqi natural Pozzolan are summarized in this research. The mechanical properties, modulus of elasticity, and ultrasonic pulse velocity of various concrete mixes were determined via experimental study. The impact of essential variables like water/binder ratios <italic>w</italic>/<italic>b</italic> % and curing conditions on the characteristics of geopolymer concrete have been identified using test data. The findings indicate that concrete and mortar produced with alkali-activated natural pozzolans have flexibility and moderate to high strength.</p>

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Publication Date

Sat Jun 01 2019

Journal Name

Journal Of The College Of Languages (jcl)

An Analytical Study of Viewpoint in Parsi Pour's and Ar-Rikabi's Novels: The Dog and the Long Night and Alibaba's Sad Night as Examples: بررسی تحليلی زاویه¬ی دید در رمان¬های پارسی پور و الرکابی باتكيه بر رمان "سگ و زمستان بلند" و "ليل علی بابا الحزین"

viewpoint

The Dog and the Long Night

Alibaba's Sad Night

Parsi Pour

Ar-Rikabi.

زاویه¬ی دید

سگ و زمستان بلند

لیل علی بابا الحزین

پارسی پور

عبد الخالق الرکابی

Abbas Dawi

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It is noted in the title that the paper studies the viewpoint in the novel The Dog and the Long Night by the Iranian novelist Shahranoush Parsi Pour and in the novel Alibaba's Sad Night by the Iraqi novelist Abdulkhaliq Ar-Rikabi. Both are well known novelists, and about whose stories and novels many critical books, MA theses, and Ph.D. dissertations have been written. Also, some of their literary works have won prizes. Here, the researcher shed light on the concept of viewpoint, its types, and its importance in novels in general. This was done along with tackling the two viewpoints in both novels, where similarities and differences were identified. For this end, the researcher has adopted the analytic-descriptive appro

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