Method to set esp. trench sheeting in ground with esp. bentonite suspension fed into bore hole before sheeting is introduced

摘要

The trench sheeting (2) is rammed or pressed into the ground (1). Before and/or during the setting process, a thixotropic fluid, esp. a bentonite suspension, is injected into the ground. The suspension is e.g. fed into a reservoir chamber (5). A bore hole (4) is made in the ground, partially filled with suspension, and the sheeting is rammed into the bore hole. The suspension is introduced via an outlet (7) in the drilling screw (3), when this is pulled out of the bore hole. The reservoir chamber is connected to two or more bore holes. The bentonite suspension has a density of 1.020 to/m/=3 to 1.026 to/m/=3.