The assessment and control of ground movements during the installation of large diameter
deeply-buried (LDDB) caissons are critically important to maintain the stability of …

Circular shafts are widely concerned in the construction of urban underground
infrastructures and their stability is essential. Uncertainties and randomness in soil …

The development of installation technologies of open caissons has been lagging behind
increasingly complex construction conditions. For such purpose, a new installation …

The stress and deformation response characteristics of the support structure in the process
of excavation and support of circular sand foundation pit are complex. The existing research …

Shafts are typically employed in urban environments to provide access or ventilation to
underground structures such as stations, railways or highways. The choice of design is …

A novel coupled model integrating Elman-AdaBoost with adaptive mutation sparrow search
algorithm (AM-SSA), called AMSSA-Elman-AdaBoost, is proposed for predicting the existing …

Loess has a large pore structure and well-developed vertical joints, belonging to a strong
structural soil layer with good self-supporting properties. Generally, the actual lateral …

This study analyzes the main causes of accidents in the period of coal mine shaft
construction and the shortage of the existing safety monitoring technology, puts forward the …

With the increasing demand for large and deep anchor projects in soft soil areas, issues
related to settlement in circular foundation pits and damage to supporting structures have …

One of the most common solutions to access the underground is through the construction of
circular shafts. At a preliminary design stage, analytical expressions are often used to …