Abstract
Abstract. Today, the need for preservation of cultural heritage as an important, irreplaceable resource for human is well recognized. In this regard, prior to any conservational measure, detailed documentation and recording of these precious resources should be performed; since this way, not only preservation requirements of the object will be identified, but also the existing condition will be recorded for future generations. Accordingly, since Iran is known as an ancient land possesses valuable historic resources, and due the numerousness of Iran's monuments and the high possibility of occurring natural disasters which are counted as significant threats for the monuments, the necessity of fast and appropriate documentation in this country will be clarified. This paper is in fact a part of the project entitled "Study of the application of digital technologies in recording and rehabilitation of historic buildings" in Iran. Here, the surveying process of aforesaid project's case study which is one of the two Kharraqan Tomb Towers placed in Qazvin province of Iran, using close range photogrammetry and low cost equipment will be demonstrated.
Highlights
Conservation of historic buildings is of a great importance, due to their high historical and cultural values
Architectural heritage should be in priority of documentation; whereas other elements of our cultural heritage may be protected by putting them in a museum, architectural monuments are widely used and endangered by long term influences of the environment (Droj, 2010)
Since Iran is a country with great antiquity and numerous valuable cultural heritage inherited from our ancestors in different eras; a research entitled “Study of the application of digital technologies in recording and rehabilitation of historic buildingswas performed in 20122013, which this paper is a part of aforesaid project
Summary
The two Kharraqan Tomb Towers are located in 1 km west of the village of Hisar-e Valiasr, 33 km west of Ab-e Garm town, Qazwin-Hamedan Road in Qazwin Province in Iran. The eastern tomb (the right one in figure 2) is the older one and dates back to the 1067- 68 AC; while the western tomb (the left one in figure 2) was constructed 26 years later in 1093 AC It seems that these two mausoleum towers are of the oldest double-domed buildings in Iran. Since they are constructed in a flat plain, are endangered by season-rivers and flood so that the moisture accumulation is recognizable up to 3 m of their height This point clarifies that how these two monuments are in need of further attention and verifies that how much the continuous documentation is important to record the changes every second occur in these buildings. This point clarifies the need for documentation of the tower so that all the changes during time should be recorded in order to protect it against more damages
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