Description
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Redundant Joint Apparatus
Apparatus consists of three suspension members (spring balances) of different stiffness, which are jointed at a point to form the redundant joint. The upper end of the suspension members being tied in a position to a vertical wooden board. Arrangement is provided to apply a vertical load at the joint and to measure its horizontal and vertical displacement on a paper and also elongations and forces in the suspension members by the help of dial gauges. Dial gauges with magnetic base are provided with the apparatus.
EXPERIMENT:
Comparison of experimental and theoretical results of forces in the members and the component displacement of the loaded joint D of a three bar suspension system for vertical loads.
REQUIRED ACCESSORIES:
• Redundant Joint Apparatus
• Dial Gauge : 1 No.
• Magnetic Base : 1 No.
• Hangers : 1 Nos.
• Weight of 500gm : As Per requirement.
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Deflection Of Truss Apparatus
Apparatus consist of 4 panels of a PRATT steel truss, each panel being 40cm in horizontal direction and 30cm in vertical direction. Load can be applied on each panel point. All tension members should be provided with detachable springs so as to obtain appreciable deformation of the member. Direction of the diagonal members may be changed. Apparatus can be used to illustrate visually the nature of forces set up in various members of the Truss. Apparatus to be supplied should be complete with a supporting stand and a set of weights.
Experimental Capabilities: Apparatus is supplied complete with a supporting stand and a set of weights.
Bending Moment & Shear Force Apparatus
INTRODUCTION:
Shear Forces occurs when two parallel forces act out of alignment with each other. For example, in a large boiler made from sections of sheet metal plate riveted together, there is an equal and opposite force exerted on the rivets, owing to the expansion and contraction of the plates. Bending Moments are rotational forces within the beam that cause bending. At any point within a beam, the Bending Moment is the sum of: each external force multiplied by the distance that is perpendicular to the direction of the force.EXPERIMENT MANUAL:
1. To verify the Shear force a cross-section of the beam. 2. To verify the bending moment in cross–section of beam with a flexure condition.APPARTUS SPECIFICATION:
1. Dimensions : 158 cm X 45cm X (h)60cm 2. Total Beam Length : 160 cm with flexure 3. Width of Beam : 5 cm 4. Distance of Length in between : 5 cm 5. Height of beam : 36 mm 6. No. of Hanger for weights : 3 7. No. of Spring Balance : 2 (of 10kg) 8. Total Weight of Apparatus : 13.1 kgACCESSORY REQUIRES:
1. Shear force apparatus 2. Bending Moment Apparatus 3. Hangers 4. Weights 5. Two Spring balances – 10kgs
Curved Member Apparatus
Apparatus consists of a steel bar which is used to make the different curved members Viz. circle, semicircle with straight arm, a quadrant of a circle and quadrant of a circle with straight arm. The bottom ends of the members are fixed to the base. Under the application of load at free end, its horizontal and vertical deflection can be measured with the help of dial gauges. A dial gauge with 25mm travel (with a magnetic base) is supplied with the apparatus. Apparatus to be supplied should be complete with a supporting stand and a set of weights.
Experimental Capabilities: Apparatus is supplied complete with a supporting stand and a set of weights.
Verification Clarke S Maxwell Reciprocal Theorem
Apparatus for Verification of Clarke’s Maxwell Reciprocal Theorem
Apparatus consist of a mild steel beam 100cm long and 1.25cm x 4mm in cross section with graduations at every 10cm along the length. It should be supported on two knife edge supports 70cm apart with a 30cm overhang on one side. Reciprocal theorem can be verified by direct measurements of the deflections of various points with the help of a dial gauge due to a load placed at the reciprocal points. A dial gauge with 25mm travel (with a magnetic base) should be supplied with the apparatus. Apparatus to be supplied should be complete with a supporting stand and a set of weights.
Experimental Capabilities: To verify Clerk’s Maxwell reciprocal theorem by means of a mild steel be
Three Hinged Arch Apparatus
The mild steel model has a span of 100cm and rise 25cm, with hinges at supports and crown. One of the ends should rests on rollers. Along the horizontal span of the arch various points are marked at equidistant for the application of load. This being a statically determinate structure, the horizontal thrust developed under the action of any load system can be theoretically calculated and will also be measured directly by neutralizing the outward movement of the roller end. A dial gauge with 25mm travel (with magnetic base) may be supplied with the apparatus. Apparatus to be supplied should be complete with a supporting stand and a set of weights.
Pinned Joint Model
SPECIFICATION:
Model consists of hinged. Model will be able to demonstrate the qualitative behavior of the truss under load. As are very flexible, a compression members will easily it`s bucking i.e. It will curve of plain. The tension member however remains straight and tight. The student will therefore have a visual picture of the type of stresses i.e. Compressive or tensile that member of truss will carry under various positive of the load. In case of pinned joint truss, the student will be able to observe that angle between members at each joint undergo a small change.
Torsion Of Rods Apparatus
INTRODUCTION:
A torsion test is quite instrumental in determining the value of modulus of rigidity of a metallic specimen. The value of modulus of rigidity can be found out thought observations made during the experiment by using the torsion equation.APPARATUS:
1. A torsion testing machine. 2. Twist meter for measuring angles of twist 3. A steel rule and Vernier Caliper or micrometer
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