Introduction in the Design of Thrust block and Anchor blockFull description
Introduction in the Design of Thrust block and Anchor block
Thrust Block Design AWWA M45Descripción completa
How to position thrust blocks in a pipeline
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Thrust Block Design sheet
Design and analysis of Thrust Block for pipelines Geo tecnical stability check for Anchor BlocksFull description
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Thrust blocks for horizontal elbows designed for 90, 60, 45, 30 22.5, and 11.25 degrees angle of bend.
Descripción completa
Full description
CALCULATION OF THRUST BLOCK DIMENSIONS FOR HORIZONTAL BENDS INPUTS Description
Symbol
Value
Unit
Pipe Diameter
D
Working Pressure
Pw
Deflection Angle
64,3 degree
Burial Depth of Pipe
H
2000 mm
2000 mm 10 bar
Slightly Compact -
Soil Type
-
Safety factor 1 (Default value =2,5)
FS1
2,5 Dimensionless
Safety factor 2 (Default value =1,5)
FS2
1,5 Dimensionless
Effective Soil Density
g
19 kN/m3
Required Bearing Surface Length Lf Thrust Block Layer Thickness at the Bottom of Pipe H1 Thrust Block Layer Thickness Above Top of Pipe H2
1/2
8,00 m 500 mm 500 mm
CALCULATION OF THRUST BLOCK DIMENSIONS FOR HORIZONTAL BENDS CALCULATIONS Depth to Bottom of the Thrust Block Mid depth of Thrust Block Internal Friction Angle of the soil material The lateral stiffness of soil Allowable movement for thrust block Coefficient for lateral movement of the soil at ult. bearing strength lateral movement accepted by soil before bearing capacity failure Brinch-Hansen bearing capacity factor Bearing strength, the max. stress that the soil will support Allowable bearing strength of soil (kPa) Shear strength of soil acting at the bottom surface of the thrust block Area of the bottom of the thrust block Required Bearing Surface Height Required Bearing Surface Area
Hb Z f Ky y
4,5 3 30 26,6 6
m m degree kPa/mm mm
Cy
0,025 Dimensionless
yu Nq
75,00 mm 6 Dimensionless
pu p'u
342 kPa 136,8 kPa
tb Ab Hf Af
49,36 23,6 3,00 24,0
Ft Pa
3344 kN 64 kN/m
Ff Pp
1165,9 kN 577,1 kN/m
kPa m2 m m2
FORCES Acting Force Hydrostatic Thrust Force Active Lateral Load Capacity of Soil Resistance Force Frictional Resistance Force at Bottom of Thrust Block Passive Lateral Load Capacity of Soil
