INVESTIGADORES
OTEGUI Luis Jose
artículos
Título:
Loss of a 30" directional crossing due to pipeline collapse
Autor/es:
JANINE BOOMAN; KUNERT, H. G.; LUIS JOSE OTEGUI
Revista:
ENGINEERING FAILURE ANALYSIS
Editorial:
PERGAMON-ELSEVIER SCIENCE LTD
Referencias:
Lugar: Amsterdam; Año: 2013 vol. 33 p. 388 - 397
ISSN:
1350-6307
Resumen:
This article concerns the loss of a Horizontal Directional Drilling crossing due to a failure
that took place during pullback of the pipeline. The more than 500 m long drilling was
meant to lodge a 3000 pipeline that crossed a large river. The failure caused the total loss
of the crossing, and the necessity to repeat the entire process in another, less favorable
location. Root causes involved a difficult soil composition, and constraints at a populated
bank that led to engineering solutions not proved before on a pipe of such diameter. Discontinuities
on the tunnel and the use of a sacrifice pipe at the front end of the pipe column,
which was related to the need for more pipes than originally calculated because of
a series of problems at the beginning of the perforation, were also defined as root causes.
Lessons learned are highlighted.
of the crossing, and the necessity to repeat the entire process in another, less favorable
location. Root causes involved a difficult soil composition, and constraints at a populated
bank that led to engineering solutions not proved before on a pipe of such diameter. Discontinuities
on the tunnel and the use of a sacrifice pipe at the front end of the pipe column,
which was related to the need for more pipes than originally calculated because of
a series of problems at the beginning of the perforation, were also defined as root causes.
Lessons learned are highlighted.
00 pipeline that crossed a large river. The failure caused the total loss
of the crossing, and the necessity to repeat the entire process in another, less favorable
location. Root causes involved a difficult soil composition, and constraints at a populated
bank that led to engineering solutions not proved before on a pipe of such diameter. Discontinuities
on the tunnel and the use of a sacrifice pipe at the front end of the pipe column,
which was related to the need for more pipes than originally calculated because of
a series of problems at the beginning of the perforation, were also defined as root causes.
Lessons learned are highlighted.
