| 摘要 |
FIELD: construction. ^ SUBSTANCE: pipeline has the compensating part mounted in the trench provided with gently sloping sides. The depth of the trench is larger than the outer diameter of the pipeline by a factor of 2.5-4. The pipeline is mounted in the middle part of the layer of sand filler which fills the trench up to the height no less than twice outer diameter of the pipeline. The sand filler is made of riverine sand of intermediate grain size or course sand which contain no dust or clay inclusions. ^ EFFECT: enhanced safety of pipeline operation. ^ 10 cl, 3 dwg |
