Research on the Mechanical Properties of Steel Truss Support Platform During the Construction of the Roof of a Large-Scale Silo

LIU Weiran; GUO Shida; FANG Bin; YU Haifeng; WANG Jiawei; GAO Renqing; YE Xihao; HAN Jiantian

doi:10.3724/j.gyjzG22031614

Volume 55 Issue 2

Feb. 2025

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2025 > 55(2): 263-270

LIU Weiran, GUO Shida, FANG Bin, YU Haifeng, WANG Jiawei, GAO Renqing, YE Xihao, HAN Jiantian. Research on the Mechanical Properties of Steel Truss Support Platform During the Construction of the Roof of a Large-Scale Silo[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(2): 263-270. doi: 10.3724/j.gyjzG22031614

Citation:

LIU Weiran, GUO Shida, FANG Bin, YU Haifeng, WANG Jiawei, GAO Renqing, YE Xihao, HAN Jiantian. Research on the Mechanical Properties of Steel Truss Support Platform During the Construction of the Roof of a Large-Scale Silo[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(2): 263-270. doi: 10.3724/j.gyjzG22031614

Citation:

LIU Weiran, GUO Shida, FANG Bin, YU Haifeng, WANG Jiawei, GAO Renqing, YE Xihao, HAN Jiantian. Research on the Mechanical Properties of Steel Truss Support Platform During the Construction of the Roof of a Large-Scale Silo[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(2): 263-270. doi: 10.3724/j.gyjzG22031614

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Research on the Mechanical Properties of Steel Truss Support Platform During the Construction of the Roof of a Large-Scale Silo

doi: 10.3724/j.gyjzG22031614

1. School of Civil Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China;
2. Hebei Green Building Promotion and Construction Eng. Standard Compilation Center, Shijiazhuang 050000, China;
3. Hebei No. 4 Construction Engineering Co., Ltd., Shijiazhuang 050051, China;
4. Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100124, China;
5. Department of Economic Management, North China Electric Power University (Baoding), Baoding 071003, China

Received Date: 2022-03-16
Available Online: 2025-04-02

Abstract

Abstract

To study the mechanical properties of steel truss support platform during the construction of the roof of large-scale silos, taking a silo project in Guangdong province as an example, the force condition of steel support platform was monitored during the whole concrete pouring process on the silo roof. The results showed that, because the lifting points were not at the same horizontal height, the maximum stable stress ratio of the main components of the platform was 0.25 during the lifting process. In the concrete pouring process of the inclined shell roof, the stable stress ratio of the main components was not more than 0.58, and the maximum vertical deflection of the support platform was 22 mm. In the process of concrete pouring of the top flat roof, the maximum stress of the support platform was less than 18 MPa because the concrete of inclined shell roof had hardened and could bear the most vertical load. The above indicated that the support platform had enough safety reserve and could be optimized. Finally, the silo roof construction process was simulated by using the ABAQUS software. On the whole, the simulated results agreed well with the measured results which indicated that the numerical method could be used to study the mechanical properties of steel truss support platform during the construction of the roof of large-scale silos.
- large-scale silo,
- steel truss support platform,
- monitoring,
- construction process,
- numerical simulation

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References(19)

References

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