<p>The fastening arrangement (1) has a fastening element (10), which has a flat anchoring portion (12) and a connecting portion (13) for connecting to an object (2). The anchoring portion is inserted into a slot-shaped opening (5) in underground (3) and anchored by using a curable material. The anchoring portion is surrounded by a housing (11), which has passage openings (25) for the curable material. The housing is made of plastic.</p>