Overview
| Project No. | 79 |
|---|---|
| Contract No. | DTRS-56-95-C-0003 |
| Research Award Recipient | Texas A&M University, Texas Transportation Institute |
| AOTR | Empty Value |
| Researcher Contact Info | Texas A&M University System 3135 TAMU College Station, Texas 77843-3135 979-845-1713 |
| Project Status | Closed |
|---|---|
| Start Fiscal Year | 1995 (10/01/1994) |
| End Fiscal Year | 1996 (09/30/1996) |
| PHMSA $$ Budgeted | $0.00 |
Main Objective
Research was conducted to develop fracture mechanic concepts, in particular leak before rupture, to hazardous liquid and gas pipelines.
Public Abstract
Research was conducted to develop fracture mechanic concepts, in particular leak before rupture, to hazardous liquid and gas pipelines. The study found fracture propogation in gas pipelines reduced with increasing class location (unlikely in Class 4, likely in Class 1) and reduced pipe diameter-to-wall thickness ratio. Fracture mechanics was used to predict rupture formation from hazardous liquid pipelines with the indication that the leak from a stable crack prior to formation of an unstable crack will possibly provide for detection before rupture occurs.
Relevant Files & Links
Technical Reports and Documents
Procedure to Apply Leak-Before-Rupture (1 of 4) 01-41.pdf
Procedure to Apply Leak-Before-Rupture (2 of 4) 42-74.pdf
Procedure to Apply Leak-Before-Rupture (3 of 4) 75-83.pdf
Procedure to Apply Leak-Before-Rupture (4 of 4) 84-91.pdf