TTLV: The three concentric walls of Co Loa Citadel based on archaeological data from 2007 to 2014

1. Student's full name: Dao Thi Mai Huyen 2. Gender: Female

3. Date of birth: January 18, 1991

4. Place of birth: Hanoi

5. Decision to recognize students No. 3379/QD-XHNV-DT dated December 19, 2017, by the Rector of the University of Social Sciences and Humanities, Vietnam National University, Hanoi.

6. Changes in the training process: none

7. Thesis title: “The Three Citadels of Co Loa Citadel through Archaeological Data from 2007 to 2014”

8. Major: Archaeology; Code: 60 22 03 17

9. Scientific supervisor: Dr. Trinh Hoang Hiep – Institute of Archaeology

10. Summary of the thesis results:

This thesis is the first monograph on the three concentric walls of Co Loa Ancient Citadel based on the results of archaeological excavations from 2007 to 2014.

This thesis focuses on compiling data from archaeological investigations and excavations at three city walls: the Outer Citadel, the Fire Retreat, and the Inner Citadel, including the central citadel and moat, conducted from 2007 to 2014. The main topics that will be addressed in depth in this thesis are:

- Wall construction techniques: Techniques for constructing the Outer Wall, Middle Wall, Inner Wall, and Fire Embankment. Identifying the layers of earth used to build the walls during the reign of An Dương Vương - wall construction methods: Digging trenches to obtain earth for wall construction - techniques for reinforcing ramparts: compacting, reinforcing with solid materials such as pebbles, gravel, natural stone, and broken tiles.

- Regarding dating: Determine the age of the layers of embankment and fortifications used in different periods of history.

The above content will provide a rich and accurate source of information for further research into the appearance and characteristics of the Co Loa Citadel relic. It will contribute to promoting the historical and cultural value of the Co Loa Citadel relic in the process of industrialization and modernization of the country.

11. Practical applications: The thesis can be used as a reference for teaching, learning, and researching historical sites and related artifacts.

12. Future research directions:

- Compare the scale, structure, and construction techniques of the Co Loa Citadel with other circular constructions in Vietnam and Southeast Asia.

13. Published works related to the thesis: None

INFORMATION ON MASTER'S THESIS

1. Full name: Dao Thi Mai Huyen 2. Sex: Female.

3. Date of birth: January 18, 1991.

4. Place of birth: Hanoi.

5. Admission decision number: 3379/QD-XHNV-ĐT Dated December 19, 2017 from Headmaster of the University of Social Sciences and Humanities, Hanoi National University.

6. Changes in academic process: No change

7. Official thesis title: The three Co Loa Citadel through archaeological data from 2007 to 2014.

8. Major: Archeology 9. Code: 60 22 03 17

10. Supervisors: PhD. Trinh Hoang Hiep, Institute of Archeology

11. Summary of the relevance of this thesis:

This thesis is the first full mmonograph on the three Co Loa citadel through excavations area Co Loa from 2007 to 2014.

The thesis focuses on the collection of archaeological data, excavations in 3 walls of Co Loa: Inner, Middle and Outer Wall from 2007 to 2014. The thesis is going into depth to solve that:

- Embankment Technique: Technique on building Inner, Middle and Outer Wall. Identify the embankment layers in An Duong Vuong period - how to build the embankment: Dig the trench to get the embankment - the technique of fortification: compaction, solid materials such as pebbles, gravel, natural stone, broken-bricks.
- About dating: Determine the age of the city walls and fortifications at different periods in history.

From the content of the thesis will create a rich and accurate source of material for further study of the appearance and characteristics of the Co Loa citadel.

Contribute to the historical - cultural value of Co Loa citadel in the cause of industrialization and modernization of the country.

12. Practical applicability, if any: may use this thesis makes reference to teaching, learning, learn about the relics and related artifacts.

13. Further research directions, if any

- Compare the scale, structure, embankment technique of the Co Loa Citadel with the circular embankment works in Vietnam and Southeast Asia.

14. Thesis-related publications: no