Chapter 20
Pipeline Ends and In-Line Structures
Contents
20.1. Introduction
20.1.1. PLEM General Layout
20.1.2. Components of PLEMs
20.1.2.1. 16-in. PLEM
20.1.2.2. 12-in. PLEM
20.2. PLEM Design and Analysis
20.2.1. Design Codes and Regulations
20.2.2. Design Steps
20.2.3. Input Data
20.3. Design Methodology
20.3.1. Structure
20.3.2. Mudmat
20.3.3. PLEM Installation
20.4. Foundation (Mudmat) Sizing and Design
20.4.1. Load Conditions
20.4.2. Mudmat Analysis
20.4.2.1. Overturning Capacity
20.4.2.2. Penetration Resistance of Skirts
20.4.2.3. Bearing Capacity during Installation
20.4.2.4. Bearing Capacity during Operation
20.4.2.5. Settlement Analyses
20.5. PLEM Installation Analysis
20.5.1. Second-End PLEM
20.5.1.1. Static Force Balance of a PLEM ...
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