What is Vicat apparatus test?
Modified Vicat Apparatus Standard Vicat Apparatus has a reversible stainless steel plunger and needle assembly for 300g total weight. It is used to determine consistency and initial/final set times of cements and mortar pastes. This unit can be modified for testing to determine a false set.
What is Vicat machine?
The Vicatronic apparatus provides a completely automatic method for determining the initial and final setting time of cements or mortar pastes. The automated test operation provides for precise and repeatable results, which are automatically printed out from the integral printer built into the apparatus.
How do you use Vicat needle apparatus?
Tap the mould to remove any bubbles of air. Place the mould along with the plate under the rod and plunger attached with the apparatus. Lower the plunger gradually till it touches the surface of the mould and then releases it quickly.
What is a Vicat needle?
The Vicat needle is used for the determination of setting time of mortar and cement paste, according to BS EN 196-4.
What is the size of Vicat needle?
The device which is used to find the initial setting time of cement is called as Vicat apparatus. It has a square needle of 1 mm size and 50 mm length and a mould, which is 40 mm in height and 80 mm in diameter.
Which machine is preferred for abrasion test?
Which machine is preferred for abrasion test? Explanation: Los Angeles is preffered for abrasion test for carrying out the hardness property and has been standardized in India.
What is the size of the needle used in Vicat apparatus?
1 mm
The equipment also includes a program for testing plaster, in compliance with DIN 1168. The probe weighs 300 g (1000 g AFNOR) and needle diameter is 1.13 mm (1 mm ASTM). The equipment performs a complete penetration cycle in 30 seconds or at intervals of 1 – 5 – 10 – 15 – 30 minutes between penetrations.
What is the length of a Vicat plunger having diameter of 10mm?
10 mm diameter plunger- for consistency. 1 mm sq c/s – for initial setting time and 1 mm c/s with 5mm annular collar- for the final setting time. 40 mm is correct.
What is the size of the needle used in Vicat Apparatus?
What is the size of needle of Vicat Apparatus?
Vicat Apparatus Test For Initial Setting Time of Cement The device which is used to find the initial setting time of cement is called as Vicat apparatus. It has a square needle of 1 mm size and 50 mm length and a mould, which is 40 mm in height and 80 mm in diameter.
What is the height of Vicat Mould?
40 mm
Vicat mould in the form of frustum of a cone with internal diameter of 60 mm at the top, 70mm at the bottom and a height of 40 mm.
What is the depth the needle in Vicat Apparatus?
It can also be defined as the time elapsed between the moments when water is added to the cement to the time when the Vicat square needle penetrates a depth of 33-35 mm from the top (5 to 7 mm from the bottom) of the mould of the Vicat Apparatus.
What is the size of the Vicat test equipment?
Consistency Plunger 10 mm dia. The Vicat test equipment is used for determining the setting time and consistency of cement by Vicat Method. Vicat Apparatus consist of metal frame with a scale, Ø10mm consistency plunger and supporting glass plate. The needle/s, mould, thermometer and transfer dish (for EN) should be ordered seperately.
What are the different types of Vicat devices available?
A number of different types of Vicat devices are available for specific applications, including these manual instruments that have been customized to adhere to various ASTM and AASHTO specifications. Humboldt provides a variety of manual Vicat testing instruments for cement mortars and grout that can be used in most any application.
What is the size of the final Vicat needle?
Final Vicat Needle EN 1.13 mm dia. Consistency Plunger 10 mm dia. The Vicat test equipment is used for determining the setting time and consistency of cement by Vicat Method. Vicat Apparatus consist of metal frame with a scale, Ø10mm consistency plunger and supporting glass plate.
What Vicat instruments are available from Humboldt?
Humboldt provides a variety of manual Vicat testing instruments for cement mortars and grout that can be used in most any application. Modified Vicat cone penetrometers are available in 100g, 35g and 50g models. Humboldt provides a wide selection of manual vicat testers.