The influence of existing piles on station settlement during the construction of a tunnel undercrossing under existing stations.

In the construction of tunnels under existing stations, it is necessary to control their settlement. When there is a pile foundation in the existing station, the pile cutting has a significant impact on the settlement of the existing station. To determine the influence of existing piles on the settlement of subway stations, a reasonable pile-cutting time is proposed.

Efficacy and prognosis of neuroendoscopy-assisted surgery for chronic subdural hematoma.

Objective: This paper aims to analyze the clinical effect and prognosis of neuroendoscopy-assisted surgery for chronic subdural hematoma (CSDH).

Methods: The clinical data of CSDH patients who underwent surgery between March 2018 and June 2020 in the Department of Neurosurgery of the First Affiliated Hospital of Xiamen University were retrospectively collected and analyzed. Eighty patients with CSDH who met the inclusive criteria were selected.