نتایج جستجو برای: mortar stone dam
تعداد نتایج: 44015 فیلتر نتایج به سال:
Ferrocement or Ferro-concrete is a system of reinforced mortar or plaster applied over layers of metal. It consists of closely spaced, multiple layers of mesh or fine rods completely embedded in cement mortar. It has a wide range of uses including sculpture and prefabricated building components. Ferro concrete is relatively a new material and has good strength and resistance to impact. When use...
This paper is based on a research on the problems of salt attack and rising damp in heritage masonry buildings. Amongst common building defects occurrences in heritage buildings, salt attack and rising damp are considered as the most challenging, particularly in building conservation. Rising damp and salt attack, a worldwide phenomenon, are major causes of decay to masonry materials. Moisture a...
The research concerned the mortars with recycled stone aggregate used for reconstruction of historic objects. face walls is exposed to atmospheric, chemical, and biological factors, causing its destruction. aim was develop a mortar that would be compatible both in terms external appearance as well physical mechanical properties. For this purpose, three based on sandstone different gradations we...
The magnitude of the thermal stresses that originate in an acrylic-based repair material used for the reprofiling of natural sandstone is analyzed. This kind of artificial stone was developed in the late 1970s for its peculiar property of reversibility in an organic solvent. However, it displays a high thermal expansion coefficient, which can be a matter of concern for the durability either of ...
sange siyah dam is located two kilometers down the kabod khani village. the environ of ghorrve city in kurdestan province. this is an clay core dam. in this dam instrumentation is performed in three section and consist of electrical piezometers, total pressure cells, settlement cells and so on. the main objective of instrumentation is to control the behavior of dam body and foundation, end else...
Now the whole earth had one language and the same words. And as they migrated from the east, they came upon a plain in the land of Shinar and settled there. And they said to one another, ‘Come, let us make bricks, and burn them thoroughly’. And they had brick for stone, and bitumen for mortar. Then they said, ‘Come, let us build ourselves a city, and a tower with its top in the heavens, and let...
The correct choice of pointing mortar is considered crucial to the conservation historic masonry. A proliferation cement and eminently hydraulic lime mortars since late 19th century has accelerated deterioration built cultural heritage in many parts world. Whilst use softer, lime-based stone now common practice, their role overall strategy highly vulnerable building stones such as Reigate Stone...
The western iwan of the Takht-e Soleymān is one of the most important buildings in this area. Based on some accounts, this iwan was constructed during the Sāssānid period and the Ilkhanate kings restored it after 700 years. This unique structure is statically unstable and needs strengthening. To this end, becoming familiar with the building materials and their use in this structure are importan...
The deterioration of existing reinforced concrete (RC) structures is regarded as a problem worldwide. In Japan especially, the RC dam has become severe. Many such dams meet design standards that were in place at time construction but do not current seismic standards, and appropriate retrofitting required. If pier, which an important part related to water storage, damaged by earthquake, gate can...
The western iwan of the Takht-e Soleymān is one of the most important buildings in this area. Based on some accounts, this iwan was constructed during the Sāssānid period and the Ilkhanate kings restored it after 700 years. This unique structure is statically unstable and needs strengthening. To this end, becoming familiar with the building materials and their use in this structure are importan...
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