1. slabstones air cooled measures - slabstone air cooled roadbed is
establishes the certain thickness and the spatial piece above
the roadbed breaker strip , because the piece about lies
between between the surface to have the gradient of temperature,
causes the piece in air convection, the heat change function take convection as the leadership, is bigger than the size using the plateau frozen earth area negative size the climate characteristic, sped up the roadbed basis stratum radiation, obtains reduces the ground temperature, the protection frozen earth effect.
2. crushed stones (slabstone) the slope protection either the measure - piles in a roadbed side or two sides fills in the crushed
stone or the slabstone, forms the slope protection or . The
crushed stone (slabstone) in the slope protection crevice air has the
convection under the certain gradient of temperature function, the
cold season crushed stone (slabstone) in the air convection
recuperation is intense, is advantageous radiates to the stratum,
the crushed stone (slabstone) in the air convection function
weakens, spreads to the quantity of heat has the shade function,
reduced the heat transfer, had achieved reduces the ground
temperature, the protection frozen earth effect
2008-03-13 15:19:59 補充:
3. ventilation ducts measures - crosswise installed underground the
standard ventilation duct in the roadbed, the winter cold air transfer
in the tube, strengthened the roadbed earth fill radiation, was
advantageous to reduces the basis ground temperature, enhanced the
frozen earth the stability
2008-03-13 15:20:49 補充:
4. hot good measures - hot sticks are use in the tube the
medium gas fluid two to transform, depend upon between the condenser
and the evaporator temperature difference, the penetration transfer
the circle to realize the thermal conduction system.
2008-03-13 15:21:08 補充:
4.The Qinghai and
Xizang railroad had 32 kilometers roadbeds to use the hot good
measure
5. in addition also has the visor awning, the heat insulation
heat preservation, the basis trades fills in, the subgrade drainage,
the highway bridge , arch of bridge foundation and so on.
1. slabstones □cold measures - slabstone □cold roadbed is
□□above □sets at the certain thickness and the spatial 隙度
slabstone in the roadbed □, because the slabstone □about lies
between a surface □existence □gradient, causes the slabstone
□□spatial □□class, □hands over □the function to □to flow
□the host □, is bigger than the □□size using the plateau
□earth □□□□size □the period of five days especially □,
sped up the roadbed basis □disperses □, obtains reduces □,
guarantees □□the earth effect.
2. crushed stones (slabstone) □the slope either □a measure - one
□or □□the pile fills in the crushed stone or the slabstone in
the roadbed, forms □the slope or □the road. Crushed stone
(slabstone) □slope crevice □spatial □□lives □the class under
the certain □gradient function, the cold season crushed stone
(slabstone) □spatial □□flows □□the function □fiercely, is
advantageous □disperses □, 暖季 the crushed stone spatially to
the place (slabstone) □□□flows the function □to be weak,
□□the quantity □enters □the fresh shade function, □has been
short 暖季 □□, □arrived reduced □, guarantees □□the
earth effect
3. □tubes measures - □□to bury □Shui?tong in the
roadbed the □tube, winter Leng Kong? in the tube □□class, added
□the roadbed earth fill to disperse □, was advantageous to reduces
the basis □, enhanced □the earth qualitatively □
4. □good measures - □sticks are □lies between using the
tube □□the fluid □□□, depends upon the condenser □steams
□□□difference, passes □□flows □the circle
□□□□quantity □□department □. The Qinghai and Xizang
□road had 32 kilometers roadbeds □to use □the good measure
5. in addition □has obstructs □the awning, separates
□guarantees □, the basis □fills in, the subgrade drainage, Lu??
crosses the section, □contains the base □and so on.