Construction of a main gas pipeline with development of a crossing over a highway

Title page
Report
Assignment for course project
Explanatory note
Introduction 3

1 General part 5

1.1 Characteristics of the main gas pipeline section and the intersecting highway 5

1.2 Methods for constructing crossings over highways 6

1.2.1 Open method of laying a protective casing under highways 7

1.2.2 Closed method of laying a protective casing under highways and railways 17

1.3 Selecting a method for constructing a road crossing 34

1.4 Safety precautions during the construction of a road crossing 38

2 Calculation part 42

_ 1001_2.1 Hydraulic calculation of a gas pipeline section to determine the diameter 42

2.2 Determination of the wall thickness of a gas pipeline section 48

2.3 Calculation of protective case at the crossing over the highway 51

CONCLUSION 56

List of sources used 58

Report for the defense of the coursework
Presentation
Drawing 1 - Plan and profile of the gas pipeline route and across the highway
Drawing 2 - Design of the gas pipeline crossing across the highway