Archive for March 2018

Stress Assessment of Buried Pipes under Road Crossings or Construction Sites

Fan Zhang, PhD Principal Engineer Kiefner and Associates, Inc.   Introduction All buried pipes experience loading from the weight of soil overburden. When pipelines cross railroads, roads, parking lots or construction sites, the pipes also experience live surface loading from vehicles on the ground, including heavy construction […]
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Pressure Reversals: How to Identify and Understand the Potential Implication to Pipeline Integrity

Cara Macrory-Dalton, PE Senior Engineer II Kiefner and Associates, Inc.   Introduction Pressure testing of hazardous liquid and natural gas pipelines is conducted for a variety of reasons, some mandated in U.S. pipeline regulations or industry standards, and others elective. Pressure testing is one requirement for the […]
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Kiefner Announces Dr. Fabian Orth Ph.D. as Senior Principal Engineer in our Stress Analysis Service Line

We are pleased to announce that Dr. Fabian Orth Ph.D. has joined Kiefner and Associates as Senior Principal Engineer in our Stress Analysis Service Line, based out of the Columbus, OH office. Dr. Orth brings more than 25 years of experience in the onshore and offshore pipeline […]
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