Study on failure modes and calculation method of the cast steel joint with branches in treelike structure

• Autorzy: Chen Feng , Sun Yun , Sun Shuxuan , Song Da , Liu Yangbing

Identyfikatory

DOI

10.24425/ace.2024.148930

• Języki publikacji: EN

Abstrakty

EN

The treelike structure links members and transfers loads via its solitary cast steel joint with branches. Therefore, the joint’s bearing capacity significantly affects the treelike structure’s stability, security, and economics. This paper utilized experimental verification and numerical modeling to examine the mechanical behavior of cast-steel joints with branches in the treelike structure under various loading conditions. Then, researchers investigated the failure process and mechanism of joints, and the three most common failure modes were outlined. Furthermore, the researchers proposed the bearing capacity calculation formula based on the common failure modes. The results show that the three common failure modes of the cast-steel joints with branches under different loading conditions are the failure in the joint core area under the axial load, the failure in the main pipe compression side under eccentric load, and the failure in the compression side of the single branch pipe root when the single branch pipe is under the uneven load. The suggested empirical calculation method can serve as a reference point for similar engineering practices design.

Słowa kluczowe

EN

cast-steel joint with branches; numerical simulation; experiment; failure mode; calculation formula

PL

symulacja numeryczna; eksperyment; tryb awaryjny; wzór obliczeniowy; złącze żeliwne z rozgałęzieniami

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2024
• Tom: Vol. 70, nr 1
• Strony: 589--604
• Opis fizyczny: Bibliogr. 34 poz., rys., tab.

Twórcy

autor

Chen Feng

• Nanyang Institute of Technology, School of Civil Engineering, No. 80 Changjiang Road, 473306 Nanyang, China

• https://orcid.org/0000-0003-2399-2906

autor

Sun Yun

• Nanyang Institute of Technology, School of Civil Engineering, No. 80 Changjiang Road, 473306 Nanyang, China

• https://orcid.org/0000-0001-8999-6171

autor

Sun Shuxuan

• Nanyang Institute of Technology, School of Civil Engineering, No. 80 Changjiang Road, 473306 Nanyang, China

• https://orcid.org/0009-0001-2776-2596

autor

Song Da

• Nanyang Institute of Technology, School of Civil Engineering, No. 80 Changjiang Road, 473306 Nanyang, China

• https://orcid.org/0009-0008-5616-7607

autor

Liu Yangbing

• Nanyang Institute of Technology, School of Civil Engineering, No. 80 Changjiang Road, 473306 Nanyang, China

• https://orcid.org/0000-0003-1080-1795

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).