Design and Construction of a Non–Open-Cut Underpass Using a Temporary Beam Method

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The aim is to evaluate the influence of temporary beam methods on track displacement during the construction of a non-open-cut underpass.
Used JES method for construction of an underpass at a road and railway intersection.
Implemented the temporary beam method with hydraulic jacks for preload and unload during beam installation and removal.
Measured track and structure displacement to compare with design specifications.
Measured track displacement was less than 80% of structure displacement, indicating controlled outcomes during construction.
Found that track displacement progressed incrementally, with adequate maintenance preventing operational disruptions during train operations.

Reports track displacement control in railway intersection construction, indicating effective construction methods.

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YAJIMA et al. (2026) studied this question.

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