Technical Application: Support Principle of Steel Bracing in Deep Foundation Pit Engineering
Mar 18,2026
The steel bracing system is an important temporary support structure in deep foundation pit engineering. It forms a stable stress system by working together with retaining piles or diaphragm walls. During the excavation process, steel bracing effectively transmits and balances earth pressure and water pressure, controls foundation pit deformation, and protects the safety of surrounding buildings and underground pipelines. Common forms of steel bracing include steel pipe supports and section steel supports, featuring convenient installation and dismantling as well as reusability. During construction, prestress adjustment based on monitoring data is required to ensure that the support effect meets design requirements.
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