Evaluation of bearing capacity of multi-span spandrel-braced stone arch bridge based on static load test

• Autorzy: Gao Hongshuai , Duan Hourui , Sun Yue , Jian Jiashuo , Zhang Jingyuan , Liu Hongbo

Identyfikatory

DOI

10.24425/ace.2022.143059

• Języki publikacji: EN

Abstrakty

EN

Stone arch bridge is an important type in the early bridge construction process because of its beautiful shape, material saving and economic rationality. However, stone material will deteriorate after long-term operation, which results in a decrease in strength and bearing capacity of stone arch bridge. The vehicle load is increasing at the same time. Therefore, accurate evaluation of bearing capacity of stone arch bridge is essential to ensure safety. In this article, a three-span open-spandrel stone arch bridge was taken as research object. Firstly, the bridge damages were investigated and analyzed in detail, and bridge service state was evaluated. Then, based on the evaluation results of disease damages and considering stone material deterioration, a refined finite element model of stone arch bridge was established to analyze bending moment, axial force, strain and deformation. Finally, static load test was carried out to test vertical deformation and stress of arch ring, horizontal displacement of pier, settlement of foundation and development of cracks. The results show that static load test is the most accurate method for evaluating bearing capacity of stone arch bridge. The evaluation accuracy of finite element model based on material correction is in the middle, and the evaluation accuracy of disease damage assessment is the worst. In practical work, bearing capacity of stone arch bridge can be evaluated by combining the three methods with high accuracy and comprehensive results.

Słowa kluczowe

EN

static load; load test; stone bridge; arch bridge; bearing capacity; assessment method; damage

PL

próba obciążenia; obciążenie statyczne; most łukowy; most kamienny; nośność; metoda oceny; uszkodzenie

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2022
• Tom: Vol. 68, nr 4
• Strony: 633--651
• Opis fizyczny: Bibliogr. 16 poz., il., tab.

Twórcy

autor

Gao Hongshuai

• School of Civil Engineering, Heilongjiang University, Harbin, PR China

• https://orcid.org/0000-0002-9304-5966

autor

Duan Hourui

• School of Civil Engineering, Heilongjiang University, Harbin, PR China

• https://orcid.org/0000-0002-4883-2557

autor

Sun Yue

• School of Civil Engineering, Heilongjiang University, Harbin, PR China

• https://orcid.org/0000-0001-6520-1776

autor

Jian Jiashuo

• School of Civil Engineering, Heilongjiang University, Harbin, PR China

• https://orcid.org/0000-0002-7189-6006

autor

Zhang Jingyuan

• Institute of Engineering Mechanics, China Earthquake Administration, Harbin, China

• https://orcid.org/0000-0002-8808-7598

autor

Liu Hongbo

• School of Civil Engineering, Heilongjiang University, Harbin, PR China

• https://orcid.org/0000-0002-9365-5641

Bibliografia

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