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Why it's preferred to use vibrators when pouring concrete in some cases?

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Question added by Karmel Hammad , Junior Civil Engineer , Khatib & Alami
Date Posted: 2017/06/20
jechon reyes
by jechon reyes , autoCadd operaror , sami group of company

to fill the small voids between forms and concrete and to remove excessive air particles.

Muhammad Husnain Iqbal
by Muhammad Husnain Iqbal , Lab Engineer , The University of Faisalabad

To eliminate the air trapped in the concrete while pouring and to achieve the max possible density of concrete when harden.

Edwin Salazar
by Edwin Salazar , Developer , Lusail Real Estate Development Company (W.L.L

To consolidate and compact freshly placed concrete. For good bonding between the first layer and the next layer of fresh concrete. To eliminate air bubbles on the freshly poured concrete.

Burhan hussain Fateh
by Burhan hussain Fateh , Dy. Manager (Sales) , Ravindra Heraeus Pvt.Ltd.

The vibrators penetrates concrete equally among on all sides enaboe to reduce labor work.

Deleted user
by Deleted user

It's very well mixes and it's solidification prevented.

Arvind Arya
by Arvind Arya , Additional Chief Engineer , Ajmer Development Authority

To get better compaction of concrete it is necessary to use vibrators during laying process of concrete. It helps in placing concrete between reinforcements, voids and remove excess air voids. By doing so we can ensure the maximum strength of the concrete. Excess use of vibrators should be avoided as it segregates aggregates and cement slurry and develops honeycombing in the concrete work.

VISHAV SLATHIA
by VISHAV SLATHIA , Field Supervisor , Power Grid Corporation of India Limited

Air can be entrapped while pouring concrete, by using vibrator entrapped air is eliminated, consolidating well, producing rich denser concrete, and getting the desired strength of concrete.

Husain Patrawala Husain
by Husain Patrawala Husain , Design Structure Engineer , ANK Architectural Consultants

In order to remove air voids from the concrete. So that in future while de-shuttering honeycombing cant take place.

jalal yousafzai
by jalal yousafzai , Junior field geologist , Ages consultant pakistan

there  is air in the concrete by using vibrator we eliminate that air from concrete for good strength

KHOBUL YAYA
by KHOBUL YAYA , Engineer , TAKENAKA CIVIL ENGINEERING & CONSTRUCTION CO.,LTD

To condensr the concert. So that bubles air missing and the concert bocomes solid.

Jawad  Ali
by Jawad Ali , QA/QC Inspector Civil Architecture , Salini Saudi Arabia

The vibrations cause the mixture to liquefy, reducing the internal friction of the mix components of cement, aggregate, and water. This allows the mix to move around more easily in whatever form you are placing the concrete. ... The vibrations help to bring those air bubbles to the surface etc

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