U jagged walls

A specific arrangement of U-type steel sheet piles forms a jagged wall. It offers an alternative to a combined wall system where high moment of inertia and section modulus are required.

U Jagged Wall with Omega 18 connector | ArcelorMittal
U Jagged Wall with Omega 18 connector


The geometrical values shown in the table assume an efficient solidarisation of each driving element, i.e. crimping or (partial) welding of the common interlock of a double pile. The OMEGA 18 corner section is threaded and welded at the mill, either by tack welding, in which case it does not contribute to the section properties of the jagged wall, or by an appropriately designed weld, so that it fully contributes to the section properties.

Note that for supported walls, either with an anchorage or with a strut system, an adequately designed stiffening system (plates, concrete capping beam,...) must be provided at the support levels.

Due to the geometry of the wall, a special guiding frame, which shall be stiff enough, is required for the installation.
Last modified: January 29, 2019

U Jagged wall

Section
AU 14
AU 16
AU 18
AU 20
AU 23
AU 25
PU 12
PU 12S
PU 18
PU 22
PU 28
PU 32
GU 11N
GU 14N
GU 18N
GU 22N
GU 28N
GU 32N
Section b h G Iy 1) Wel,y 1) Sy
without Omega 18 with Omega 18 without Omega 18 with Omega 18 without Omega 18 with Omega 18
mm mm kg/m2 cm4/m cm4/m cm3/m cm3/m cm3/m cm3/m
AU 141 1351 115153.2275 920334 4505 0805 9953 0803 625
AU 161 1351 115167.9307 090365 6305 6506 5553 4353 980
AU 181 1351 136171.9329 420387 9605 8006 8303 5954 135
AU 201 1351 139186.6362 620421 1606 3707 4003 9604 505
AU 231 1351 171195.8390 770449 3006 6757 6754 2354 780
AU 251 1351 173210.4424 630483 1707 2408 2404 6105 150
PU 12923903162.8188 980235 4004 2755 2102 5903 125
PU 12S923903174.0202 370248 8104 5705 5102 7703 305
PU 18923955186.2244 470290 8905 1206 0953 2153 755
PU 22923993206.3286 030332 4605 7606 6953 6904 230
PU 289231 027240.3349 890396 3106 8107 7154 4655 000
PU 329231 011267.0389 310435 7407 7058 6255 0155 550
GU 11N923903150.0167 340213 7703 7904 7352 3352 875
GU 14N923920158.8198 710245 1404 3205 3302 6453 180
GU 18N923955186.2244 470290 8905 1206 0953 2153 755
GU 22N923993206.3286 030332 4605 7606 6953 6904 230
GU 28N9231 027240.3349 890396 3106 8107 7154 4655 000
GU 32N9231 011267.0389 310435 7407 7058 6255 0155 550


b Width of a system
h Height of the wall
G Mass
Iy Moment of inertia
Wel,y Elastic section modulus
Sy Static moment
1) Assumption: correct shear force transfer across the interlocks on the neutral axis