To study the influence of shield excavation on surrounding soil, and to control subway tunnel surface settlement deformation buildings, it is necessary additional stress soil caused by law settlement. Combined with a construction project tunnel, this article uses Mindlin solution in elastic mechanics obtain three-dimensional calculation formulas for thrust cutter head displacement field frictio...

The COVID-19 pandemic and the associated government mandated shutdowns caused a historic shock to U.S. economy disproportionate job loss concentrated among working class. While an unprecedented social safety net policy response successfully offset earnings loses lower-wage workers, risk of continued persistent unemployment remains higher key lesson from Great Recession is that strong economic g...

Does violence lead to flight from cities in the developing world? This paper estimates effect of violent crime municipalities Honduras, El Salvador, and Guatemala on irregular emigration children United States. It studies full universe 178,825 unaccompanied child migrants those countries apprehended U.S. 2011 2016. In average municipality, generalized insecurity that produces 10 additional homi...

This special issue of the CEPS Journal aims to make room for new expe-riences and insights, define challenges exchange experiences, ana-lyse factors that have influenced education ways – coping strategies dealing with “educational stress” in given circumstances. The aim is analyse experiences different countries, so-cio-cultural contexts subjects, as well perceptions teachers, students, parents...

This paper employs the symmetric GARCH and asymmetric GJR-GARCH(1,1) E-GARCH(1,1) models to explain dynamics of PLN/EUR PLN/USD exchange rates in Poland for periods January 2015 July 2022. The result our study shows that USD rate is more susceptible market fluctuations events than EUR rate. Additionally, both rates' volatility persists after a crisis while, with taking longer until subsides. Us...

In this article presents the work carried out to protect roads passing through sandy areas from moving sands and recommendations for computer modeling of means protection conditions Uzbekistan. The flow wind sand interacts with any type obstacles installed on ground, which in turn causes erosion, displacement around them, subsidence surface after subsides. This can lead harmful consequences, su...

in this paper, downlink resource allocation for a sparse code multiple access (scma) based heterogeneous  cellular networks (hcn) is investigated. the main aim of this paper is to obtain joint power allocation and codebook assignment to achieve the least total system transmit power. in this regard, the proposed objective function is formulated as total transmit power subject to users minimum ra...

in this study, a cross-docking system is designed at strategic and tactical levels. for making the strategic decisions, a multi-objective nonlinear location allocation model for cross-docks is presented based on a distri-bution location allocation model by andreas klose and andreas drexl. the model is further developed to in-clude the whole supply chain members and the objective functions are w...

This paper presents the environmental impacts on pandemic corona virus (COVID-19) during isolation period. Pollution and disease are correlated with each other. The world is busy combating catastrophic which has become Pandemic worldwide within a short In matter of months, been transformed drastically. getting more overwhelming day by extending social distancing across eventually subsides emiss...