Theory and practice 14 4 vacuum.
Vacuum dewatered flooring is code.
The vacuum dewatered vd flooring method is a system for laying high quality concrete floors with superior cost effectiveness.
The magnitude of applied vacuum is usually about 0 08 mpa and the water content is reduced by upto 20 25.
In this technique the excess water after placement and compaction of concrete is sucked out with the help of vacuum pumps.
This code provides necessary guidance in the selection of materials and laying and finishing of cement concrete flooring for obtaining satisfactory performance.
The sequence of operation shall be placing of concrete vibration vacuum treatment and floating and the operation shall follow immediately behind each other.
Benefits of vacuum dewatered.
The vacuum dewatering process consists of leveling compacting and vacuum dewatering the concrete flooring by using vibrating screed vacuum pumps suction mats filter pads accessories etc.
This standard which was first published in 1963 is now being revised taking into account the experience gained in the.
Vacuum dewatered flooring abstract.
A flooring work for civil structure that is both time efficient and medium to high workability process to create a facility that is safe healthy and comfortable concrete flooring to be done by used of vacuum dewatering concrete flooring vdf technology.
This type of floor is suitable for high abrasion and heavy traffic movement seminar 2017 18 4 6.
The key to the use of this method is the dewatering of concrete by vacuum process.
This technique is effectively used in industrial floors parking lots and deck slabs of bridges etc.
Surplus water from the concrete is removed immediately after placing and vibration reducing the watercement ratio to an optimum level.
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Vacuum dewatered flooring vdf vacuumdewateredflooring civilengineering.