Result formatting not correct

The exported txt files have a wrong format, non-ASCII characters in them and are missing the normal stress values:

Wrong format:

Normal stress [Pa]	Shear strength [Pa]
500	402±101000	790±112000	1468±12250	228±10250	222±10500	408±101000	774±112000	1471±12250	218±10500	414±101000	761±112000	1484±12

Correct format:

Normal stress [Pa]	Shear strength [Pa]
500	402±10
1000	790±11
2000	1468±12
250	228±10
250	222±10
500	408±10
1000	774±11
2000	1471±12
250	218±10
500	414±10
1000	761±11
2000	1484±12