Thanks, BigH! We did not use retarder and we should use it.
Thanks, worldofmud! You have a good sense of the installation. Yes we had two casings: 10" and 7". the 10 casing was removed before 7" casing.
We did measure the grout strenght increase over time for other projects. It was unconfined...
We are installing some inclinometers deeper than 100m. We already had two expensive failures and the reasons for me are not clear and hard to accept. I was not at the site at that moment.
The 297ft inclinometer casing was installed inside a 7" steel casing. After grouted to the top, the...
