Carpenter Red Seal Exam Prep · Question
What is the primary purpose of horizontal bracing in falsework for concrete slabs?
Horizontal bracing, often in the form of ledger boards or cross-bracing, is essential to connect vertical shores and prevent their lateral movement or buckling
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Question: What is the primary purpose of horizontal bracing in falsework for concrete slabs?
Answer options:
- To strengthen individual shores against bending.
- To transfer load from the slab to the ground. ✅ To prevent lateral displacement or buckling of vertical shores.
- To increase the speed of falsework erection.
Correct answer: To prevent lateral displacement or buckling of vertical shores.
Explanation: Horizontal bracing, often in the form of ledger boards or cross-bracing, is essential to connect vertical shores and prevent their lateral movement or buckling under axial load, which can lead to falsework instability and collapse as per CSA S269.3.
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