Публикации

1. Emad Abdulahad,КОНСТРУКТИВНА ОЦЕНКА И ИНТЕРВЕНЦИЯ ЗА ЕКСПЛОАТАЦИОННАТА НАДЕЖДНОСТ И ДЪЛГОТРАЙНОСТ НА ИСТОРИЧЕСКА СГРАДА СЪС СТАТУТ НА НЕДВИЖИМО КУЛТУРНО НАСЛЕДСТВО -ЧАСТ 2 ПРИМЕР, СЪЮЗ НА АРХИТЕКТИТЕ В БЪЛГАРИЯ ИЗДАНИЕ НА ДРУЖЕСТВО "АРХИТЕКТУРНО НАСЛЕДСТВО"-САБ, ISBN 978-619-91581-8-0 OT 2025Г. CONSTRUCTIVE ASSESSMENT AND INTERVENTION FOR THE OPERATIONAL RELIABILITY AND DURABILITY OF HISTORICAL BUILDINGS WITH STATUS OF IMMOVABLE CULTURAL HERITAGE -PART 2 EXAMPLE , https://www.researchgate.net/publication/395882932_KONSTRUKTIVNA_OCENKA_I_INTERVENCIA_ZA_EKSPLOATACIONNATA_NADEZDNOST_I_DLGOTRAJNOST_NA_ISTORICESKA_SGRADA_SS_STATUT_NA_NEDVIZIMO_KULTURNO_NASLEDSTVO_-CAST_2_PRIMER_SUZ_NA_ARHITEKTITE_V_BLGARIA_IZDANIE_N
2. -Emad Abdulahad, КОНСТРУКТИВНА ОЦЕНКА И ИНТЕРВЕНЦИЯ ЗА ЕКСПЛОАТАЦИОННАТА НАДЕЖДНОСТ И ДЪЛГОТРАЙНОСТ НА ИСТОРИЧЕСКИ СГРАДИ СЪС СТАТУТ НА НЕДВИЖИМО КУЛТУРНО НАСЛЕДСТВО -ЧАСТ 1 ,СЪЮЗ НА АРХИТЕКТИТЕ В БЪЛГАРИЯ ИЗДАНИЕ НА ДРУЖЕСТВО "АРХИТЕКТУРНО НАСЛЕДСТВО"-САБ, ISBN 978-619-91581-8-0 OT 2025Г. CONSTRUCTIVE ASSESSMENT AND INTERVENTION FOR THE OPERATIONAL RELIABILITY AND DURABILITY OF HISTORICAL BUILDINGS WITH STATUS OF IMMOVABLE CULTURAL HERITAGE -PART 1 https://www.researchgate.net/publication/395882928_KONSTRUKTIVNA_OCENKA_I_INTERVENCIA_ZA_EKSPLOATACIONNATA_NADEZDNOST_I_DLGOTRAJNOST_NA_ISTORICESKI_SGRADI_SS_STATUT_NA_NEDVIZIMO_KULTURNO_NASLEDSTVO_-CAST_1_SUZ_NA_ARHITEKTITE_V_BLGARIA_IZDANIE_NA_DRUZE
3. -Emad Abdulahad , Ghoson Danhash,Recommendations for Seismic Assessment of Heritage Buildings and Methods of Strengthening; In book: Protection of Historical Constructions; DOI: 10.1007/978-3-031-87312-6_14 ; https://www.researchgate.net/publication/390357536_Recommendations_for_Seismic_Assessment_of_Heritage_Buildings_and_Methods_of_Strengthening
4. .Emad Abdulahad, Aleks Grancharov Seismic design of an existing six story administrative building; IOP Conference Series: Materials Science and Engineering, Volume 1323, International Scientific Conference CIVIL ENGINEERING DESIGN AND CONSTRUCTION 12/09/2024 - 13/09/2024 Varna, Bulgaria ;https://www.researchgate.net/publication/387503612_Seismic_design_of_an_existing_six_story_administrative_building_Seismic_design_of_an_existing_six_story_administrative_building;

https://iopscience.iop.org/article/10.1088/1757-899X/1323/1/012016

1. .Emad Abdulahad , Ghoson Danhash Simulating the Non-linear Bond Behaviour of Plain Rebar-Recycled Aggregate Concrete; IOP Conference Series: Materials Science and Engineering, Volume 1323, International Scientific Conference CIVIL ENGINEERING DESIGN AND CONSTRUCTION 12/09/2024 - 13/09/2024 Varna, Bulgaria

https://www.researchgate.net/publication/384993105_Simulating_the_Non-linear_Bond_Behaviour_of_Plain_Rebar-Recycled_Aggregate_Concrete;

https://iopscience.iop.org/article/10.1088/1757-899X/1323/1/012014

1. E. Abdulahad. '' INSTRUMENTAL MONITORING OF ACTUAL REINFORCED CONCRETE STRUCTURE OF A RESIDENTIAL BUILDING DURING ITS CONSTRUCTION AND ITS SERVICE LIFE FOR A 10-YEAR PERIOD , ИНСТРУМЕНТАЛЕН МОНИТОРИНГ НА РЕАЛНА СТОМАНОБЕТОННА КОНСТРУКЦИЯ НА ЖИЛИЩНА СГРАДА ПО ВРЕМЕ НА ИЗПЪЛНЕНИЕ И СЛЕД ВЛИЗАНЕТО Ѝ В ЕКСПЛОАТАЦИЯ ЗА ПЕРИОД ОТ 10 ГОДИНИ, Годишник на УАСГ том 56 ,2023.брой 3. стр.1285-1300, София, България, 2023

https://www.researchgate.net/publication/376191277_INSTRUMENTALEN_MONITORING_NA_REALNA_STOMANOBETONNA_KONSTRUKCIA_NA_ZILISNA_SGRADA_PO_VREME_NA_IZPLNENIE_I_SLED_VLIZANETO_I_V_EKSPLOATACIA_ZA_PERIOD_OT_10_GODINI_Tom_56_2023_Broj_3_Volume_Issue_ANNUAL_O

1. . S. Miteva & F. Rangelova & E. Abdulahad3, ''EXPERIMENTAL STUDY OF ARMOCIMENT SHELLS, Експериментално изследване на армоциментни черупки, Годишник на УАСГ том 56 , стр. 1277-1283, София, България, 2023.брой 3,https://www.researchgate.net/publication/379891617_EKSPERIMENTALNO_IZSLEDVANE_NA_ARMOCIMENTNA_CERUPKA
2. . М. Traykova & E. Abdulahad '' OPPORTUNITIES FOR APPLICATION OF ULTRA HIGH PERFORMANCE FIBER REINFORCED CONCRETE (UHPFRC) FOR STRENGTHENING CONCRETE BEAMS – RESULTS OF EXPERIMENTAL RESEARCH,ВЪЗМОЖНОСТИ ЗА ПРИЛОЖЕНИЕ НА СУПЕР ВИСОКОЯКОСТНИ БЕТОНИ (СВЯБ) ЗА УСИЛВАНЕ НА СТОМАНОБЕТОННИ ГРЕДИ – РЕЗУЛТАТИ ОТ ЕКСПЕРИМЕНТАЛНО ИЗСЛЕДВАНЕ'', Годишник на УАСГ том 53 ,2020.брой 3'стр. 611-621, София, България, 2020 https://www.researchgate.net/publication/379891506_VZMOZNOSTI_ZA_PRILOZENIE_NA_SUPER_VISOKOAKOSTNI_BETONI_SVAB_ZA_USILVANE_NA_STOMANOBETONNI_GREDI_-_REZULTATI_OT_EKSPERIMENTALNO_IZSLEDVANE
3. ХРИСЧЕВ, Л, М. ГОЧЕВА, Е. Абдулахад, '' Lachezar Hrischev & Mina Gocheva & Emad Abdulahad ''STRUCTURAL ELEMENTS AND DETAILS OF LARGE-PANEL PREFABRICATED BUILDINGS SYSTEM BS-69-SF. PART 1 -STRUCTURAL ELEMENTS (In Bulgarian) / КОНСТРУКТИВНИ ЕЛЕМЕНТИ И ДЕТАЙЛИ НА ЕДРОПАНЕЛНИ ЖИЛИЩНИ СГРАДИ ПО СИСТЕМА БС-69-СФ. ЧАСТ 1 -КОНСТРУКТИВНИ ЕЛЕМЕНТИ'', XI International Scientific Conference „Civil Engineering Design and Construction“, Sept. 10 - 12, 2020, Varna, Bulgaria;https://www.researchgate.net/publication/344495641_STRUCTURAL_ELEMENTS_AND_DETAILS_OF_LARGE-PANEL_PREFABRICATED_BUILDINGS_SYSTEM_BS-69-SF_PART_1_-STRUCTURAL_ELEMENTS_In_Bulgarian_KONSTRUKTIVNI_ELEMENTI_I_DETAJLI_NA_EDROPANELNI_ZILISNI_SGRADI_PO_SISTEM

10 . Lachezar Hrischev & Mina Gocheva & Emad Abdulahad ''STRUCTURAL ELEMENTS AND DETAILS OF LARGE-PANEL PREFABRICATED BUILDINGS SYSTEM BS-69-SF. PART 2 -STRUCTURAL DETAILS (In Bulgarian) / КОНСТРУКТИВНИ ЕЛЕМЕНТИ И ДЕТАЙЛИ НА ЕДРОПАНЕЛНИ ЖИЛИЩНИ СГРАДИ ПО СИСТЕМА БС-69-СФ. ЧАСТ 2 -КОНСТРУКТИВНИ ДЕТАЙЛИ '', XI International Scientific Conference „Civil Engineering Design and Construction“, Sept. 10 - 12, 2020, Varna, Bulgaria;https://www.researchgate.net/publication/344495647_STRUCTURAL_ELEMENTS_AND_DETAILS_OF_LARGE-PANEL_PREFABRICATED_BUILDINGS_SYSTEM_BS-69-SF_PART_2_-STRUCTURAL_DETAILS_In_Bulgarian_KONSTRUKTIVNI_ELEMENTI_I_DETAJLI_NA_EDROPANELNI_ZILISNI_SGRADI_PO_SISTEMA

11. E. Mahmud & E. Abdulahad ''SHAKING TABLE TESTS FOR INVESTIGATION OF THE CHANGE OF FUNDAMENTAL FREQUENCY AND STIFFNESS BEFORE AND AFTER STRENGTHENING OF CONFINED MASONRY , ИЗПИТВАНИЯ НА ВИБРАЦИОННА ПЛАТФОРМА ЗА ИЗСЛЕДВАНЕ НА ИЗМЕНЕНИЕТО НА КОРАВИНАТА И СОБСТВЕНАТА ЧЕСТОТА НА ОБРАМЧЕНИ ЗИДАНИ СТЕНИ ПРЕДИ И СЛЕД УСИЛВАНЕТО ИМ'', Годишник на УАСГ том 53 ,2020.брой 3,стр. 623-642, София, България,2020;https://www.researchgate.net/publication/345957675_Izpitvania_na_vibracionna_platforma_za_izsledvane_na_izmenenieto_na_koravinata_i_sobstvenata_cestota_na_obramceni_zidani_steni_predi_i_sled_usilvaneto_im

12. Abdulahad, E., M. Traykova ''Basic recommendations for strengthening of RC beams with Ultra High Performance Fiber Reinforced Concrete (UHPFRC) – conclusions from experimental investigation'',IOP Conference Series: Materials Science and Engineering , Volume 951, 11th International Conference on Civil Engineering Design and Construction - DCB'2020 10-12 September 2020, Varna, Bulgaria 2020 IOP Conf. Ser.: Mater. Sci. Eng. 951 012016 https://www.researchgate.net/publication/346619823_Basic_recommendations_for_strengthening_of_RC_beams_with_Ultra_High_Performance_Fiber_Reinforced_Concrete_UHPFRC_-_conclusions_from_experimental_investigation https://iopscience.iop.org/article/10.1088/1757-899X/951/1/012016

13. Traykova, M. , L. Georgiev , S. Ivanov , E. Abdulahad Research in the application of UHPFRC for strengthening existing structures in Bulgaria, 2019, 20th Congress of IABSE, New York City https://www.researchgate.net/publication/349858392_Research_in_the_application_of_UHPFRC_for_strengthening_existing_structures_in_Bulgaria

14. Traykova, M., Georgiev, Abdulahad, E., Ivanov, S. Laboratory tests on strengthening steel and concrete elements with high-strength concrete, IABSE Congress, Christchurch 2020: Resilient Technologies for Sustainable Infrastructure - Proceedings, 2020, pp. 671–678 https://www.researchgate.net/publication/350390510_Laboratory_tests_on_strengthening_steel_and_concrete_elements_with_high-strength_concrete

15. E. Abdulahad & E. Mahmud '' IMPLEMENTATION OF SAMPLES AND PREPARATORY ACTIVITIES BEFORE DYNAMIC TESTS, Изпълнение на образците и подготвителни дейности преди динамични изпитвания, Годишник на УАСГ, том 52, бр. 3, стр. 891-900, София, България, 2019 https://www.researchgate.net/publication/345956929_IZPLNENIE_NA_OBRAZCITE_I_PODGOTVITELNI_DEJNOSTI_PREDI_DINAMICNI_IZPITVANIA

16. Mahmud, E., Z. Bonev, E. Abdulahad ''Nonlinear seismic analysis of masonry infilled RC frame structures by using the N2-method , Proceedings of the 16th International Conference on New Trends in Statics and Dynamics of Buildings October 18-19, 2018 Bratislava, Slovakia Faculty of Civil Engineering STU Bratislava Slovak Society of Mechanics SAS

( https://www.researchgate.net/publication/345957015_NONLINEAR_SEISMIC_ANALYSIS_OF_MASONRY_INFILLED_RC_FRAME_STRUCTURES_BY_USING_THE_N2-METHOD

https://www.researchgate.net/publication/345957015_NONLINEAR_SEISMIC_ANALYSIS_OF_MASONRY_INFILLED_RC_FRAME_STRUCTURES_BY_USING_THE_N2-METHOD

17. Mahmud, E., Z. Bonev, & E. Abdulahad, “Nonlinear seismic analysis of masonry infilled RC frame structures”, DOI: 10.5937/GRMK1901017M, Gradjevinski materijali i konstrukcije 62(1):17-25, Serbia, 2019 – Indexed in Web of Science

https://www.researchgate.net/publication/332219073_Nonlinear_seismic_analysis_of_masonry_infilled_RC_frame_structures

18.. Mahmud, E. & E. Abdulahad, “Shaking table tests determining frequency and stiffness before and after strengthening of a confined masonry wall without an opening”, In: Vayas, I., Mazzolani, F.M. (eds) Protection of Historical Constructions. PROHITECH 2021. Lecture Notes in Civil Engineering, vol 209. Springer, Cham. https://doi.org/10.1007/978-3-030-90788-4_13, Greece, 2022 - Indexed in Scopus and Web of Science

https://www.researchgate.net/publication/356782579_Shaking_Table_Tests_Determining_Frequency_and_Stiffness_Before_and_After_Strengthening_of_a_Confined_Masonry_Wall_Without_an_Opening

https://link.springer.com/chapter/10.1007/978-3-030-90788-4_13

19.. Abdulahad, E. & E. Mahmud, “Seismic behaviour before and after strengthening of solid confined masonry walls with glass fiber reinforced polymers - analysis of hysteresis curves, obtained by shaking table tests”, IOP Conf. Series: Materials Science and Engineering 951 (2020) 012018 doi:10.1088/1757-899X/951/1/012018, 2020 - Indexed in Scopus and Web of Science https://www.researchgate.net/publication/345955406_Seismic_behaviour_before_and_after_strengthening_of_solid_confined_masonry_walls_with_glass_fiber_reinforced_polymers_-_analysis_of_hysteresis_curves_obtained_by_shaking_table_tests

https://iopscience.iop.org/article/10.1088/1757-899X/951/1/012018

20.. Emin Mahmud & Emad Abdulahad & Zdravko Bonev . '' INFLUENCE OF MASONRY INFILL ON THE SEISMIC BEHAVIOUR OF REINFORCED CONCRETE FRAME STRUCTURES, ВЛИЯНИЕ НА ПЪЛНЕЖНАТА ЗИДАРИЯ ВЪРХУ СЕИЗМИЧНОТО ПОВЕДЕНИЕТО НА СТОМАНОБЕТОННИ РАМКОВИ КОНСТРУКЦИИ '' X Jubilee International Scientific Conference ''Civil Engineering Design and Construction“ (Science and Practice), Sept. 20-22, 2018, Varna, Bulgaria;

https://www.researchgate.net/publication/345957515_VLIANIE_NA_PLNEZNATA_ZIDARIA_VRHU_SEIZMICNOTO_POVEDENIETO_NA_STOMANOBETONNI_RAMKOVI_KONSTRUKCII

21. Emin Mahmud & Emad Abdulahad ''EFFECTIVE STIFFNESS OF REINFORCED CONCRE TE ELEMENTS IN A SEISMIC ANALYSIS,ЕФЕКТИВНА КОРАВИНА НА СТОМАНОБЕТОННИ ЕЛЕМЕНТИ ПРИ СЕИЗМИЧЕН АНАЛИЗ'' X Jubilee International Scientific Conference ''Civil Engineering Design and Construction“ (Science and Practice), Sept. 20-22, 2018, Varna, Bulgaria;

https://www.researchgate.net/publication/345957073_EFEKTIVNA_KORAVINA_NA_STOMANOBETONNI_ELEMENTI_PRI_SEIZMICEN_ANALIZ

22. E. Abdulahad & E. Mahmud ''SEISMIC EVALUATION OF EXISTING MASONRY STRUCTURES IN ACCORDANCE WITH EUROCODE 8, СЕИЗМИЧНА ОЦЕНКА НА СЪЩЕСТВУВАЩИ ЗИДАНИ КОНСТРУКЦИИ, СЪГЛАСНО ЕВРОКОД 8'', Годишник на УАСГ, том 51, бр. 3, стр. 49-61, София, България, 2018;

https://www.researchgate.net/publication/379891434_SEIZMICNA_OCENKA_NA_SSESTVUVASI_ZIDANI_KONSTRUKCII_SGLASNO_EVROKOD_8

23. . E. Abdulahad & B. Aleksandrova ''SEISMIC PROVISIONS AND ANALYSIS OF REINFORCED CONCRETE WALL STRUCTURE, СЕИЗМИЧНO ОСИГУРЯВАНЕ И АНАЛИЗ НА СТОМАНОБЕТОННА СТЕННА КОНСТРУКЦИЯ'' Годишник на УАСГ, том 51, бр. 3, стр. 63-78, София, България, 2018;

https://www.researchgate.net/publication/379891526_SEIZMICNO_OSIGURAVANE_I_ANALIZ_NA_STOMANOBETONNA_STENNA_KONSTRUKCIA

24. .Е. Abdulahad,& J. Tsenkova ''AN EXPERIMENTAL STUDY ON STRENGTHENING MASONRY ARCHES USING GFRP, ЕКСПЕРИМЕНТАЛНО ИЗСЛЕДВАНЕ НА УСИЛЕНИ ЗИДАНИ АРКИ, ЧРЕЗ GFRP'' Годишник на УАСГ, том 51, бр. 3, стр. 79-89, София, България, 2018; https://www.researchgate.net/publication/379891637_EKSPERIMENTALNO_IZSLEDVANE_NA_USILENI_ZIDANI_ARKI_CREZ_GFRP

25. . E. Abdulahad & M. Traykova & J. Tsenkova '' AN EXPERIMENTAL STUDY ON RC ARCHES STRENGTHENED BY USING COMPOSITE MATERIALS (CFRP) AND BY TIE-RODS, ЕКСПЕРИМЕНТАЛНО ИЗСЛЕДВАНЕ НА СТОМАНОБЕТОННИ ДЪГИ, УСИЛЕНИ ЧРЕЗ КОМПОЗИТНИ МАТЕРИАЛИ (CFRP) И СТОМАНЕН ОБТЕГАЧ '' Годишник на УАСГ, том 50, бр. 4, стр. 131-138, София, България, 2017;

https://www.researchgate.net/publication/379892346_EKSPERIMENTALNO_IZSLEDVANE_NA_STOMANOBETONNI_DGI_USILENI_CREZ_KOMPOZITNI_MATERIALI_CFRP_I_STOMANEN_OBTEGAC

26. J. Tsenkova & F. Rangelova & M. Traykova & E. Abdulahad ''STRENGTHENING THE REINFORCED CONCRETE ARCH WITH CFRP, УСИЛВАНЕ НА СТОМАНОБЕТОННА ДЪГА С CFRP'', Годишник на УАСГ, том 49, бр. 3, стр. 185-192, София, България, 2016;

https://www.researchgate.net/publication/379892488_USILVANE_NA_STOMANOBETONNA_DGA_S_CFRP

27. Sv. Spasov & E. Abdulahad " STRENGTHENING WITH FRP OF REINFORCED CONCRETE BEAM EXPOSED TO AGGRESSIVE INFLUENCE ,УСИЛВАНЕ С FRP НА СТОМАНОБЕТОННА ГРЕДА,

ПОДЛОЖЕНА НА АГРЕСИВНО ВЛИЯНИЕ ",Годишник на УАСГ, том 49, бр. 3, стр. 95-112, София, България, 2016; https://www.researchgate.net/publication/379892618_USILVANE_S_FRP_NA_STOMANOBETONNA_GREDA_PODLOZENA_NA_AGRESIVNO_VLIANIE

28. E Abdulahad & Sv. Spasov '' IINVESTIGATION OF THE BOND BETWEEN CONCRETE AND FRP STRENGTHENING SYSTEM ANCHORED WITH FRP ANCHORS,ИЗСЛЕДВАНЕ НА ВРЪЗКАТА МЕЖДУ БЕТОН И УСИЛВАЩА FRP СИСТЕМА АНКЕРИРАНА С FRP АНКЕРИ''; Годишник на УАСГ, том 48, бр. 3, стр. 85-96, София, България, 2015;

https://www.researchgate.net/publication/340983246_Izsledvane_na_vrzkata_mezdu_beton_i_usilvasa_FRP_sistema_ankerirana_s_FRP_ankeri

29. E. Abdulahad & F. Rangelova & J Cenkova & Sv. Spasov '' TECHNOLOGY FOR EXECUTION OF STRENGTHENING OF REINFORCED CONCRETE BEAM WITH EXTERNALLY BONDED CFRP REINFORCEMENT, ТЕХНОЛОГИЯ НА ИЗПЪЛНЕНИЕ ЗА УСИЛВАНЕ НА СТОМАНОБЕТОННИ ГРЕДИ С ВЪНШНО ЗАЛЕПЕНА CFRP АРМИРОВКА''; Годишник на УАСГ ,Conference: FIRST SCIENTIFIC - APPLIED CONFERENCE WITH INTERNATIONAL PARTICIPATION " REHABILITATION AND STRENGTHENING OF BUILDINGS AND FACILITIES STRUCTURES "/RSBS/ At: UACG, Sofia, Bulgaria, 2015; https://www.researchgate.net/publication/335827761_TECHNOLOGY_FOR_EXECUTION_OF_STRENGTHENING_OF_REINFORCED_CONCRETE_BEAM_WITH_EXTERNALLY_BONDED_CFRP_REINFORCEMENT

30. F. Rangelova & E. Abdulahad & J Cenkova '' Project for Process of Evaluation, Recognition and Selection of Methods for Preservation of Historical and Cultural Heritage '';Годишник на УАСГ Conference: First Scientific Applied Conference with International Participation "Project Management in Construction" (PMC)At: UACG, Sofia, Bulgaria,2014; https://www.researchgate.net/publication/335703498_Project_for_Process_of_Evaluation_Recognition_and_Selection_of_Methods_for_Preservation_of_Historical_and_Cultural_Heritage

31.. E. Abdulahad ............

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