Labortory Evaluation of Nanoparticles for Consolidation of Limestone in the Archaeoligical Site of Jerash
| العنوان بلغة أخرى: |
التقييم المخبري للجسيمات النانوية في تقوية الحجر الجيري في موقع جرش الأثري |
|---|---|
| المؤلف الرئيسي: | Al Omary, Ruba Ahmad (Author) |
| مؤلفين آخرين: | Al Sukhni, Wassef (Advisor), Al Naddaf, Mustafa Mohammad (Advisor) |
| التاريخ الميلادي: |
2017
|
| موقع: | إربد |
| الصفحات: | 1 - 70 |
| رقم MD: | 870590 |
| نوع المحتوى: | رسائل جامعية |
| اللغة: | الإنجليزية |
| الدرجة العلمية: | رسالة ماجستير |
| الجامعة: | جامعة اليرموك |
| الكلية: | كلية الآثار والإنثروبولوجيا |
| الدولة: | الاردن |
| قواعد المعلومات: | Dissertations |
| مواضيع: | |
| رابط المحتوى: |
عدد مرات التحميل
85
| المستخلص: |
Limestones have been widely used in construction of archaeological and heritage structures in Jordan. These stone structures are facing degradation due to many deterioration factors. Exposure to atmospheric conditions results of deterioration in historic monuments. Limestone conservation presents many problems that have to be investigated in detail. In this study, limestone deterioration and development of its consolidation treatments, by synthesizing nanosized particles of calcium hydroxide dispersed in alcoholic medium, were investigated through examination of limestone from the archaeological site of Jersah and another fresh sample. Many properties were observed before and after the treatment, to examine the performance of nanolime as a consolidant. All of tests were conducted in laboratory conditions. When most of the conservation interventions relied on the use of polymers, which were later proven to be harmful for the stone, nowadays a pressing demand is calling on representing new smart materials by using nanomaterials for architectural conservation; due to their improved mechanical properties, their compatibility as consolidating materials, and they obey the principle of authenticity of historical monuments. Results have shown that the application of nanoparticles prepared in propanol-1, significantly improved the mechanical properties of the treated stone. Compressive strength increased about 48% for archaeological stone and 38% for fresh stone, while the drilling increased by 500% for fresh stone and 84% for archaeological stone, it has no significant change on porosity, although water uptake value (w-value) decreased 20%. |
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