Rupson Enterprises

Sadar Bazar, Delhi

Blaine Air Apparatus without liquid The apparatus is used for determining the fineness of cement in terms of specific surface expressed as total surface area in square centimeters per gram of cement. This is a variable flow type air permeameter.

Specifications : The apparatus consists one each of permeability cell 12.5mm I.D., Manometer 'U' type mounted on stand with a built in stop cock, Perforated disc, Plunger Rubber stopper, Rubber tube 30cm long.

Vicat needle apparatus with dashpot; is used for determining the normal consistency and setting times of cement and 'A' Class limes.

The time it takes for a cement to stiffen to a standard value after addition of water is commonly known as the set time. The test involves mixing cement with water and then measuring its resistance to penetration of a standard probe at varying intervals of time, until a certain value is reached.

Consist of a metallic frame having base plate of 5 x 5; bearing a movable rod with cap at one end. The needles and plunger can be fixed centrally in to the rod by clamping screw. The movable rod carries an indicator which moves over a graduated scale attached to the frame. The scale is 40mm in length with the smallest division of 1mm. The dashpot facilitates the gentle lowering of the movable rod with needle.

Vicat needle apparatus with dashpot; is used for determining the normal consistency and setting times of cement and 'A' Class limes.

The time it takes for a cement to stiffen to a standard value after addition of water is commonly known as the set time. The test involves mixing cement with water and then measuring its resistance to penetration of a standard probe at varying intervals of time, until a certain value is reached.

Consist of a metallic frame having base plate of 5 x 5; bearing a movable rod with cap at one end. The needles and plunger can be fixed centrally in to the rod by clamping screw. The movable rod carries an indicator which moves over a graduated scale attached to the frame. The scale is 40mm in length with the smallest division of 1mm. The dashpot facilitates the gentle lowering of the movable rod with needle.

The vicat mould can be in the form of frustum of a cone having 70 mm in dia at the base, 60 mm at the top and 40 mm high or split type. A non-porous base plate of glass is also provided. Complete with consistency plunger, initial and final setting needles.

Conforming to specifications and tolerance in accordance to I.S. 2720 Part VII

To determine the water content level after which any further reduction in the water content will not cause a corresponding decrease in the volume of the soil mass.

Consists of:

• Porcelain evaporating dish approx 7.5cm diam
• Shrinkage dish of metal 45mm internal diam X 15mm high.
• Glass cup 50 to 55mm diam X 20mm deep.
• Perspex prong plate with three metal prong
• Perspex plate plain 75mm square.
• Spatula 20mm width and 80mm long made of stainless steel with wooden handle. Measuring cylinder 50ml graduated.
• Wash Bottle 500 ml
• Nicely packed in plastic container

ASTM C161109, ASTM C1621/1621M06

The Jring test can be used to determine the passing ability of selfconsolidating concrete. It is applicable for laboratory use in testing different concrete mixtures for passing ability or can be used in the field as a quality control test. Passing ability refers to the ability of SCC, under its own weight (without vibration), to flow into and completely fill the spaces within an intricate framework, containing obstacles such as reinforcement bars

The equipment consists of rectangular section of 38 mm X 25 mm open steel ring drilled vertically with holes to accept threaded section of reinforcing bars. The bars and sections can be placed at different distance apart to simulate the congestion of reinforcement of the ring formed by vertical section.

Includes following accessories:

• Abram cone having 200 mm bottom diameter, 100 mm top diameter and 300 mm height-made of Mild steel sheet of 16 swg thickness with paint
• Base plate of 900 mm x 900 mm-made of Mild steel sheet of 16 swg thickness with paint
• Reinforcing bars 18 mm diameter x 100 mm length
• J ring rectangular section 38 mm *25 mm plated vertically to form a ring 300 mm diameter generally at a spacing of 48 2 mm-made of mild steel circle of 25 mm thickness duly chrome plated

Essential accessories i.e. Stop watch, Scoop etc. are not supplied and has to be arranged by the user

Field Desity Test Apparatus Sand replacement Method (Sand Pouring method) Conforming to specifications and tolerance in accordance to I.S. 2720 Part XXVIII consists of:

• Small sand pouring cylinder 3 litres capacity mounted above a pouring cone and separated as a shutter hole.
• Cylindrical calibrating container internal diam 100mm and internal depth 150mm fitted with a flange 5cm wide.
• Metal tray 30cm square and 4cm deep with a 10cm hole in center.

Sand replacement equipment (Sand Pouring method) 6 size

Sand replacement equipment (Sand Pouring method) 8 size