光纤布拉格光栅监测系统在现场监测混凝土挡土墙早期性能中的应用(英文)

The uneven shri nkage strain during concrete harden i ng peri od is one of them aincauses for str ucture cracking .To avoid the adverse effect o f uneven shri nkage strain on structures, further study on shrinkage strain is imperat i ve .Shri nkage monitoring during concrete early age is beneficial for controlling inner strain distribution by i mprov i ng c uring process