Physical properties of self-curing concrete (SCUC)
المؤلفون المشاركون
Musa, Majidah I.
Mahdi, Muhammad G.
Yahya, Akram Z.
Abd al-Rahim, Ahmad H.
المصدر
Housing and Building National Research Center Journal
العدد
المجلد 11، العدد 2 (31 أغسطس/آب 2015)، ص ص. 167-175، 9ص.
الناشر
المركز القومي لبحوث الإسكان و البناء
تاريخ النشر
2015-08-31
دولة النشر
مصر
عدد الصفحات
9
التخصصات الرئيسية
الموضوعات
الملخص EN
In this study the effect of two different curing-agents has been examined in order to compare them for optimizing the performance of concrete.
The first used type is the Pre-soaked lightweight aggregate (leca) with different ratios; 0.0%, 10%, 15% and 20% of volume of sand, and the second type is a chemical agent of polyethylene-glycol (Ch.) with different percentages; 1%, 2% and 3% of weight of cement.
In the test programme performed in this study, three cement content; 300, 400 and 500 kg/m3, three different water-cement ratios; 0.5, 0.4, and 0.3, and two magnitudes of silica fume as a pozzolanic additive; 0.0% and 15% of cement weight, were used.
The physical properties of concrete were evaluated at different ages, up to 28 days.
The concrete specimens are subjected to dry-air curing regime (25 c) during the experiment.
The results show that the use of self-curing agent (Ch.) in concrete effectively improves the physical properties compared with conventional concrete.
On the other hand, up to 15% saturated leca was effective while 20% saturated leca was effective for permeability and mass loss but adversely affects the sorptivity and volumetric water absorption.
Self-curing agent Ch.
was more effective than self-curing agent leca.
In all cases, both 2% Ch.
and 15% leca were the optimum values.
Higher cement content and/or lower water–cement ratio leads to more effective results of self-curing agents in concrete.
Incorporation of silica fume into concrete mixtures enhances all physical properties.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Musa, Majidah I.& Mahdi, Muhammad G.& Abd al-Rahim, Ahmad H.& Yahya, Akram Z.. 2015. Physical properties of self-curing concrete (SCUC). Housing and Building National Research Center Journal،Vol. 11, no. 2, pp.167-175.
https://search.emarefa.net/detail/BIM-591640
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Musa, Majidah I.…[et al.]. Physical properties of self-curing concrete (SCUC). Housing and Building National Research Center Journal Vol. 11, no. 2 (Aug. 2015), pp.167-175.
https://search.emarefa.net/detail/BIM-591640
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Musa, Majidah I.& Mahdi, Muhammad G.& Abd al-Rahim, Ahmad H.& Yahya, Akram Z.. Physical properties of self-curing concrete (SCUC). Housing and Building National Research Center Journal. 2015. Vol. 11, no. 2, pp.167-175.
https://search.emarefa.net/detail/BIM-591640
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 174-175
رقم السجل
BIM-591640
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر