检测学堂

Void detected inside mortar joint slightly to left. The black centre line above indicates the location of the joint. The joint was broken out (below) to check for voiding.

Voiding found over a 30cm length (they didn’t break out the entire length of the void. Total length of voided joint section was estimated at 45cm)

First scan location was voided in joint where red arrows are

Second scan location was voided at the top of the scan

Breakout of potential void done by site engineer on the second scanning site with AR overlay of estimated voided area. Red area of scan indicates voiding in the joint.

Voided where green crosshairs are.

This joint was voided where red arrows are (below)

located voids in the joint

The black arrow shows the direction of the scan along the window reveal. 

Line scan data from the corner scan. The data points to a possible void or poor bond at the crosshairs location.