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Predicting Long-Term Deflection in Large-Span Beam Bridges Based on Creep Self-Identification
Publisher: American Society of Civil Engineers
Abstract: A theory for directly identifying shrinkage and creep in a structure, along with an embedded self-identification system, is proposed. The theory and system aim to obtain accurately the time-dependent regularity of shrinkage ...
Exploratory Experimental Study on Fatigue Prestress Loss of Prestressed Concrete Beams
Publisher: American Society of Civil Engineers
Abstract: To study the fatigue prestress loss of prestressed concrete beams, four bonded post-tensioned bonded concrete simple supported beams were designed and constructed for constant-amplitude fatigue load displacement tests. ...
Long-Term Deflection Prediction and Correction of Creep and Shrinkage Model of High-Strength Concrete Based on Short-Term Measured Data for Bridge
Publisher: American Society of Civil Engineers
Abstract: To investigate the laws of creep and shrinkage in high-strength, concrete for long-span prestressed continuous box-girder bridge and predict long-term deflection, strain sensors were embedded in the midspan of a box-girder ...