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Homi
Homi • Jan 2, 2017

Waterproofing the pcc layer and friction !

Good evening engineers , actually I m really confused I poured 10 cm pcc layer last week and now I want to isolate the pcc layer by rubberised bitumen emulison poly coat to protect the bottom of the rcc reinforcement coz we all know that rcc is isolated from all elevations except bottom where pcc is under the rcc but some expirenced engineer say that waterproofing the pcc weakens the friction between the rcc and the pcc

What is the best solution to do and what is the best bitumen for water proofing the foundation ??? And how many layers of bitumen is enough to provide protection!!!!
Maybe the discussions here will be of help:
Why we need to do PCC?
Jay Kosta
Jay Kosta • Jan 3, 2017
How smooth is the top surface of the pcc?
Has it been smoothed with a float, broom finish, unfinished after being screed, ... ?
Homi
Good evening engineers , actually I m really confused I poured 10 cm pcc layer last week and now I want to isolate the pcc layer by rubberised bitumen emulison poly coat to protect the bottom of the rcc reinforcement coz we all know that rcc is isolated from all elevations except bottom where pcc is under the rcc but some expirenced engineer say that waterproofing the pcc weakens the friction between the rcc and the pcc

What is the best solution to do and what is the best bitumen for water proofing the foundation ??? And how many layers of bitumen is enough to provide protection!!!!
Hello,

May I know why you need to isolate it and why you prefer only Bitumen.
As per my knowledge Bitumen thick sheets may use to absorb the vibration transmitted by the building (Eg. Bridges) and act as a cushion.

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