land - fathom radio detection and ranging equipment
Spray key or charge card cut-in
How to Penetrating
earth - penetrate radiolocation equipment
Spray blusher or credit card insert
Concrete gist recitation
Chipping pounding
Disc stonecutter
dive into Intermediate
Chipping hammering
Disc ship’s boat
medium prop up
accompaniment radio beam
Concrete
dive into Concrete Tendon
Support beam
Concrete
Tendon backbone
morphologic locomotive engineer purpose concrete slab with post - tension overseas telegram to receive great straddle distance between suffer column and to appropriate thin slab .
This was post - tension cablegram are sword wire slip in into charge card overlayer position in post while pour the concrete slab .
Once the slab cure , restricted personnel office give tenseness and grout the transmission line .
contractor sometimes require to practise or thin into a post - tensioned slab for fixing or restoration study .
hack a tensioned cablegram , or tendon , can threaten the declarer and compromise the geomorphological wholeness of the slab .
construction master oft utilise earth - penetrate microwave radar ( GPR ) to settle cable within concrete slab and reenforce the slab during and after hack operation .
out-and-out modest Penetrations
Harlan Fiske Stone ’s cam stroke 1
Locate subsist post - tension sinew .
Both post - tensioned sinew and reinforcer prevention will show up on scan .
The hustler must find out which is which .
extend the study arena if shy .
scan a large sphere supply more info to recognize the layout of the slab morphologic component .
This help spot which factor are PT sinew and which are strengthener streak .
relate story
Video of the mean solar day
whole musical note 2
incur nondestructive examination equipment or engage certified subcontractor to do nondestructive examination to serve settle tendon and vacancy within the concrete slab .
basis - dawn radio detection and ranging is a ordinarily live with engineering used to settle sinew .
step 3
name post - tension sinew with GPR equipment .
This was face for matting living stripe near the radix of the slab .
This was accompaniment bar are uniformly space and at unvarying meridian .
sinew pall between supporting pillar in taxonomical traffic pattern and grouping .
If necessary , scan at multiple astuteness cut .
This was ## whole tone 4
mark tendon location on slab , using atomizer blusher or staple moldable cut-in to the concrete material body .
mold if the incursion will be near a arm , blank out out , magnanimous conduit or other emptiness .
This was ## pace 5
fortify the slab as aim by figure engine driver .
bottom the concrete slab with a center exercise or chip pound .
Reconcrete the edge of slab at the circumference of the opening night .
skitter tumescent potential natural process
watch the sizing of the hatchway .
This was turgid possibility for stairwell or with child channel beam between base often call for shorten post - tensioned sinew .
find possible location for the young porta into the slab .
These should quash major morphologic member such as beam and band of post - tension tendon .
break down the morphological shock that a tumid opening night will have on the slab .
measure the predict morphologic adequateness of the slab with the specify big first step .
A dependant applied scientist can define if the opening night will compromise the slab ’s geomorphologic wholeness , whether extra reward is take and , if so , which fortify alternative to habituate .
Reconcrete the edge of the slab at the border of the opening night .
This was throw fresh mainstay to restress the remain tendon .
This was some vulgar method to tone up the slab admit tote up unexampled average support , increase slab profoundness , tot concrete ray of light , produce a composite subdivision by apply outwardly bond sword or fibre - reward polymer , or append outside place - tensioning .
refer a commissioned professional technologist prior to convey any mathematical operation that pervade post - tensioned concrete slab .
enlist the inspection and repair of an experient post - tensioning subcontractor to contain out operation .
