When a pipe elbow bend is burst or leaking, a more versatile method is needed to fix the problem than that offered by a pipe repair clamp
Water leak at outside copper-PVC pipe connection - Home Improvement Stack Exchange
How to Fix Leaking Pipes: 8 Effective DIY Repairs
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replacing a BROKEN “pvc pipe elbow” (underground)
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Analysis of a failed pipe elbow in geothermal production facility - ScienceDirect
plumbing - How to replace a leaking PVC elbow? - Home Improvement Stack Exchange
The 10 Most Common Causes of Leaky Pipes — BL3 Plumbing & Drain Cleaning
If freezing temperatures cracked only the PVC elbow joint in a 25 ft length of PVC piping, should the entire 25 ft. length be replaced or just the cracked elbow? - Quora
What's this u bend in my water main : r/askaplumber
Pipe Repair Methods: How to Repair Leaks in Water Lines
How to fix a leaking pipe joint: Easy repair for PVC and copper
RectorSeal Pipe Repair Kit 82112 - The Home Depot