Government Polytechnic Madhubani Has Been Constituted Under The Department Of Science, Technology And Technical Education, Government Of Bihar To Cater To The Needs Of Technical Education. The Government Polytechnic Madhubani Intendent To Invite Bids From, Arar-Bihar

Government Polytechnic Madhubani Has Been Constituted Under The Department Of Science, Technology And Technical Education, Government Of Bihar To Cater To The Needs Of Technical Education. The Government Polytechnic Madhubani Intendent To Invite Bids From Eligible Entities For Providing Civil Engg. Laboratory Equipment In The Institute For Academics And Consultancy Work As Mentioned In The Tender Document-1 Vibrating Table, 50 x 50cm for 4 moulds of 150mm cube having Proper compaction of cement concrete while casting specimens for compression testing is essential to achieve higher compressive strength. Material of Construction: Special quality low carbon mild steel (Carbon-16%-17%). Hardness of material: 50 RHC Paint quality: -Powder coating 70-80 micron thick Vibrating Table is ideally suited for this purpose. The table top is suitable to hold cube moulds and has stops along its edges to prevent moulds from sliding off the table during operation. The specially designed vibro motor for operating the vibratory. Suitable for operation on 220 V, 50 Hz, Single Phase, AC supply. Capacity 0.5 to 1 ton, the height of the table from the ground level shall be sufficient to allow for easy placing and removal of the moulds and shall not exceed 0.75 metre. frequency of vibration for the table operating at its maximum load capacity shall be between 3 000 to 6 000 cycles per minute. IS Code : 2514-1963 2 Digital Compression Testing Machine 2000 KN Capacity Compression Testing Machine, Capacity 2000 KN confirming to the requirement of IS: 14858-2000, IS: 4031 (Part 6)-1988, IS: 516-1959 and IS: 2386 (Part IV)-1963. 3 Softening Point Test of Bituminous Material The ring and ball apparatus consists of following. Steel balls- two numbers each of 9 5 mm diameter and weighing 2.5+0.05 gm. Brass rings-two numbers each having depth of 6.4 mm, the inside diameter at bottom and top is 15.9 mm and 17.5 mm respectively Ball guides to guide the movement of steel balls centrally Support - that can hold rings in position and also allows for suspension of a thermometer The distance between the bottom of the rings and the top surface of the bottom plate of the support is 25 mm. Thermometer that can read up to 100°C with an accuracy of 0 2°C. Bath- a heat resistant glass beaker not less than 85 mm in diameter and 120 mm in depth. Stirrer 4 Direct shear apparutus .moterised with 12 speed . As per IS : 2720 ( partXIII ) Ref. Standards IS :11229, 2720 (Part 13) Type of Shear : Direct / Residual Measurement Operation : Motorised Rates of Strain (mm/min) : 1.25, 0.625, 0.25, 0.125, 0.05, 0.025, 0.01, 0.005, 0.002, 0.001, 0.0004, 0.0002 Specimen Size : 60 x 60 x 25 mm Digital Indicator, Load Cell 2KN, Displacement Sensor Range : 0-20mm. Shear Box Assembly, This assembly comprises of : Halves of the Shear Box 2 Nos. Plane Gripper Plate - 2 Perforated Gripper Plate - 2 Porous Stone - 2 Top Loading Pad - 1 Base Plate - 1 Specimen Cutter - 1 Min normal stress - 3 kg/cm2 Operation : Motorised 6 Core Cutter As per IS:2720 (Part 29), Min. 100 mm dia x 130 mm long, Steel Dolly 25 mm high and 100 mm dia,Rammer with Steel Rod.

INR 1000 /-

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