Ponding

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Introduction

This page contains information about ponding.

Since 2023 ponding is implemented in XFEM4U.

The theory of the implementatie of ponding is according to the scientific insights of prof. Blaauwendraad. In the latest Heron Journal this method is implemented described in detail. Link to heron journal

Moments of Inertia of Roof sheets

Type	t = 0.63 mm	t = 0.75 mm	t = 0.88 mm	t = 1.00 mm	t = 1.13 mm	t = 1.25 mm	t = 1.50 mm
SAB18/988	2500	3000	3600	4100
SAB27/1000	5900	7100	8500	9700
SAB42/960	17800	22100	25200
SAB19/1050	3700	4600	5500	6300
SAB30/1100	5200	6600	8200	9800
SAB35/1035	9400	12000	14900	17600
SAB40/915	13900	17600	21900	26000
SAB45/900	22800	28800	35500	42000
SAB50/1000	18400	23200	28800	34200
SAB19KD/1050	3800	4600	5500	6300
SAB30KD/1050	7700	9800	12200	14200
SAB45KD/1000	13000	16200	19200	21900
SAB58KD/945	19700	28500	36000	42900
SAB35R/1035		15800	19200	22400		28200
SAB40R/915		24800	29300	33500		42300
SAB50R/1000		31400	38300	44800		57900
SAB70R/800		79600	97200	111800		141000
SAB85R/1120		84900	103800	121700	141600	157200	189700
SAB89R/915		107800	128900	147900	167900	186400
SAB100R/825		148800	176000	201200		253600
SAB106R+/750		186600	219800	250300		314400
SAB110R/1000		148400	179600	208400
SAB135R/930		323000	354000	383000	435000	483000	583000
SAB153R/840		375000	434000	489000	556000	617000	744000
SAB158R/750		476000	536000	591000	671000	745000	899000
SAB200R/750		772300	901500	1018900	1211400	1389100	1676100
SAB200R/840		646000	772800	891600	1022100	1143900	1401400