The article briefly introduces the application of remote sensing technology on geologiCal surveying and construction of Nan-Kun Railway,and by actual example,illustrates theeffect of applying remote sensing technology.

The article briefly introduces the application of remote sensing technology on geological surveying and construction of Nan-Kun railway, and by actual example, illustrates the effect of applying remote sensing technology.

The subgrade in Nanning-Kunming railway is very long and engineering conditions are complicated there.

According to karst investigation along Nanning-Kunming Railway, development regulation of karst cave and principle of esigning this railway in every region are summarized in this paper.

On Nanning-Kunming Railway, line sections passing through areas being rich of carbonate rocks accounts for one-third of the whole line .

Mechanism of embankment defects caused by expansive soils in Baise Basin, Nankun railway;

Causes of Regional Poverty and Anti-poverty Strategy along Guangxi-Nankun Railway Line;

Both designing quality and technical level of the yards and the equipments for the line of Nankun railway all raise higher than that constructed and designed during the high tide of railway construction in the past two times.

The Lizigou long bridge is a dominant engineering of the Neijiang Kunming railway, and the stability of high and steep slope of No.

Zhan-kun railway being constructed is locating in Yun-gui plateau monsoon climate region, where is high altitude, small rainfall, large evaporating capacity and windy winter and spring.