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Thrust Block

Thrust Block

(OP)
Dear friends,

How can I model thrust block on a buried pipe? How can I calculate thrust block stiffness and yield load for inputting in buried pipe modeler? CAESAR II docs don't have enough discussion about this subject.

RE: Thrust Block

99.9999% full restraint. Give it a max axial displacement of 1.5 mm at full load.

"People will work for you with blood and sweat and tears if they work for what they believe in......" - Simon Sinek

RE: Thrust Block

(OP)
Thank you BigInch. Do you mean I should specify an anchor with 1.5mm gap at the thrust block point?(Or 2 line stops with 1.5mm gap for an elbow?)

RE: Thrust Block

Give the anchor a large spring constant. Check that its movement is less than 1.5 mm.

"People will work for you with blood and sweat and tears if they work for what they believe in......" - Simon Sinek

RE: Thrust Block

(OP)
As I know in hydrotest of large bore GRP lines at elbows, movement may be higher than 1 inch despite of the thrust block . Even in operating condition actual movement of thrust blocks at fittings are so higher than 1.5 mm. Thus I think stiffness of thrust block should calculate and uses for modelling. Am I right?

RE: Thrust Block

If they are smll blocks, you may be correct.

"People will work for you with blood and sweat and tears if they work for what they believe in......" - Simon Sinek

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