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  • Hanoi University of Civil Engineering (HUCE)  (4)
  • 1
    Online Resource
    Online Resource
    Nghiên cứu thiết kế tường vây hố đào dạng trụ tròn
    Hanoi University of Civil Engineering (HUCE) ; 2022
    In:  Tạp chí Khoa học Công nghệ Xây dựng (KHCNXD) - ĐHXDHN Vol. 16, No. 2V ( 2022-05-30), p. 91-102
    Details
    In: Tạp chí Khoa học Công nghệ Xây dựng (KHCNXD) - ĐHXDHN, Hanoi University of Civil Engineering (HUCE), Vol. 16, No. 2V ( 2022-05-30), p. 91-102
    Abstract: Tóm tắt: Hố đào sâu được sử dụng thường xuyên khi thi công các công trình dân dụng. Vấn đề chuyển vị và biến dạng nền xung quanh hố đào là một vấn đề lớn cần phải giải quyết, đặc biệt là khi thi công hố đào trong đô thị. Vấn đề này thường được giải quyết bằng việc sử dụng hố đào dạng trụ tròn. Do dạng kết cấu hình tròn, sẽ tạo ra hiệu ứng vòm dẫn đến áp lực đất tác dụng lên tường vây nhỏ hơn thông thường, đồng thời toàn bộ áp lực hướng tâm sẽ chuyển thành lực vòng theo phương chu vi tường. Biến dạng hố đào và nền xung quanh do đó cũng nhỏ. Tuy nhiên việc tính toán phân tích hố đào trụ tròn thường phức tạp, đòi hỏi phải sử dụng công cụ mô hình 3D. Trong bài báo này trình bày cách xác định áp lực đất tác dụng lên tường vây của hố đào hình trụ xuất phát từ các công thức giải tích. Kết quả tính toán được so sánh với kết quả quan trắc của công trình thực tế. Trên cơ sở đó một trình tự thiết kế tường vây của hố đào trụ tròn cũng được đề xuất. Trình tự thiết kế này có thể được sử dụng trong giai đoạn thiết kế sơ bộ của hố đào dạng trụ tròn.
    Type of Medium: Online Resource
    ISSN: 2734-9268 , 2615-9058
    URL: Article
    DOI: 10.31814/stce.huce(nuce)2022-16(2V)-08
    Language: Unknown
    Publisher: Hanoi University of Civil Engineering (HUCE)
    Publication Date: 2022
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    A three-stage framework for efficient deployment of intelligent transportation systems in urban areas
    Hanoi University of Civil Engineering (HUCE) ; 2023
    In:  Journal of Science and Technology in Civil Engineering (STCE) - HUCE Vol. 17, No. 2 ( 2023-06-26), p. 47-61
    Details
    In: Journal of Science and Technology in Civil Engineering (STCE) - HUCE, Hanoi University of Civil Engineering (HUCE), Vol. 17, No. 2 ( 2023-06-26), p. 47-61
    Abstract: Rapid urbanization in big cities worldwide leads to severe traffic congestion and damages the urban living environment. Intelligent Transportation Systems (ITS) play a crucial role in addressing the growing challenges of urban transportation, such as congestion, pollution, and safety concerns. However, there is a lack of studies to present an overall framework to deploy ITS efficiently in urban areas considering each city's unique conditions. Therefore, this paper develops a three-stage framework to simplify the process of efficient deployment of ITS application services in a specific city. Three stages include identifying potential ITS services, evaluating and ranking the priority of ITS application services, and analyzing legal requirements as well identifying any gaps or areas where the current legal framework may fall short in accommodating ITS technologies. The three-stage framework considers the specific transportation challenges and requirements of each urban area/city, taking into account factors such as traffic patterns, infrastructure limitations, environmental considerations, and future development plans. A case study in Hai Phong city was presented where expert surveys were conducted to assess the current transport situation, evaluate satisfaction and expectation regarding applying ITS services. By providing a comprehensive framework for the efficient deployment of ITS in urban areas, this paper offers valuable insights and guidance to policymakers, transportation planners, and researchers. The framework can be as reference for other similar cities grappling with transportation challenges, facilitating the implementation of effective ITS solutions to transform advanced and sustainable urban transportation systems.
    Type of Medium: Online Resource
    ISSN: 2734-9489 , 1859-2996
    URL: Article
    DOI: 10.31814/stce.huce2023-17(2)-05
    Language: Unknown
    Publisher: Hanoi University of Civil Engineering (HUCE)
    Publication Date: 2023
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Evaluation of punching shear capacity of two-way RC slabs without transverse reinforcement according to different provisions
    Hanoi University of Civil Engineering (HUCE) ; 2021
    In:  Journal of Science and Technology in Civil Engineering (STCE) - NUCE Vol. 15, No. 3 ( 2021-08-16), p. 171-184
    Details
    In: Journal of Science and Technology in Civil Engineering (STCE) - NUCE, Hanoi University of Civil Engineering (HUCE), Vol. 15, No. 3 ( 2021-08-16), p. 171-184
    Abstract: Currently, RC flat slabs are being used commonly because of their advantages. Punching shear failure is one of the governing failure modes of RC flat slabs without column capital and drop panels. In this paper, the provisions for predicting the punching shear capacity of two-way reinforced concrete (RC) flat slabs without shear reinforcement including ACI 318-19, Eurocode 2 and TCVN 5574:2018 provisions are reviewed by mean of considering the influences of the main parameters (effective depth, compressive strength of concrete, loaded area, reinforcement ratio). A total of 169 test results collected from the literature were used to compare with the provisions. The aim of this study was to evaluate the level of applicability of predicting the punching shear capacity of two-way RC flat slabs according to these provisions. The comparison results indicated that the Eurocode 2 provision provides the most accurate prediction of punching shear capacity of two-way RC flat slabs.
    Type of Medium: Online Resource
    ISSN: 2734-9489 , 1859-2996
    URL: Article
    DOI: 10.31814/stce.nuce2021-15(3)-14
    Language: Unknown
    Publisher: Hanoi University of Civil Engineering (HUCE)
    Publication Date: 2021
    Location Call Number Limitation Availability
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    Online Resource
  • 4
    Online Resource
    Online Resource
    Experimental investigation of the secondary creep of fiber reinforced concrete at high stress: Macroscopic measurement and digital image correlation
    Hanoi University of Civil Engineering (HUCE) ; 2022
    In:  Journal of Science and Technology in Civil Engineering (STCE) - HUCE Vol. 16, No. 1 ( 2022-01-26), p. 19-28
    Details
    In: Journal of Science and Technology in Civil Engineering (STCE) - HUCE, Hanoi University of Civil Engineering (HUCE), Vol. 16, No. 1 ( 2022-01-26), p. 19-28
    Abstract: The secondary creep of Fiber-Reinforced Concrete (FRC) under high sustained stress levels is a key issue for structural durability when considering the capacity to guarantee small crack widths under serviceability states. This study investigates the time-dependent deformation of FRC beams under loading level Ps/P0 greater than 80% (Ps is the load at reloading and P0 is the load before unloading) with various aggregate sizes by using both the classical macroscopic measurement and the digital image correlation analysis (DIC). Notched beams made of FRC and Fiber Reinforced Mortar (FRM) (i.e. without aggregate) were firstly pre-cracked by static load and then applied by a loading equal to 80% of strength. The evolution of the deflection, the crack width, and the crack propagation were both measured by traditional sensors and calculated by DIC. Comparison between results from FRC and FRM materials highlights the influence of microstructure heterogeneity on the secondary creep of FRC. Moreover, the DIC analysis helps to get insights on the secondary creep mechanism.
    Type of Medium: Online Resource
    ISSN: 2734-9489 , 1859-2996
    URL: Article
    DOI: 10.31814/stce.huce(nuce)2022-16(1)-02
    Language: Unknown
    Publisher: Hanoi University of Civil Engineering (HUCE)
    Publication Date: 2022
    Location Call Number Limitation Availability
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    Online Resource
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