User's Manual

®
Cast Beam Structures Set ME-7009
2
The ME-7009 Cast Beam Structures Set consists of items from the following parts of the PASCO Structures System.
Required Materials
In addition to the items included with the Cast Beam Structures Set, the following materials are required:
• Sand,
• Plaster of Paris,
• Spoon, bowl or cup, and water.
Other Equipment
Other PASCO equipment is closely related to the Cast Beam Structures Set or recommended for use with the Set..
See the PASCO catalog or the web site at www.pasco.com for more information
Introduction
The Cast Beam Structures Set set consists of the Cast Beam Spares Set (ME-6983) and other items from the PASCO Structures
System. The Cast Beam Spares Set consists of a beam that is a model of the reinforcement bars (“rebar”) used in construction, and
a mold that is used to produce a model of a beam of reinforced “concrete” or prestressed “concrete”. A mixture of fine sand, plas-
ter, and water is poured into the assembled rebar beam and mold. The assembled beam and mold are then put under tension. After
the mixture hardens and the mold is removed, the beam can be used as a #4 beam in any PASCO Structure Set.
The other items in the Cast Beam Structures Set can be used to build tension fixtures and test fixtures for the cast beams. Sensors
and weights can be used to measure the strength of the cast beam when it is attached to a test fixture or is a component of a PASCO
Structure.
About Concrete
Concrete is the most widely used construction material in the world. Non-reinforced concrete is strong in compression but weak in
tension. Any appreciable tension (for example, due to bending) will cause the concrete to crack and separate. Non-reinforced con-
crete must be well supported to prevent bending.
ME-6983 Cast Beam Spares ME-6997 Full Round Connectors
ME-6993 Truss Set Members ME-6998A Axle Spares
ME-6994 Truss Set Screws ME-6999A Angle Connectors
ME-6996 Cord Lock Spares
Related Equipment* Related Equipment*
PS-2199 Load Cell and Amplifier Set ME-6986 Structures Rod Clamps
PS-2200 100-N Load Cell ME-6990 Truss Set
PS-2205 Displacement Sensor ME-6991 Bridge Set
PS-2206 Dual Load Cell Amplifier ME-6992A Advanced Structures Set
Recommended Equipment* Recommended Equipment*
Hooked Mass Set (SE-8759) Large Slotted Mass Sets (ME-7566 or ME-7589)
Mass and Hanger Set (ME-8979) Braided Physics String (SE-8050)
PASPORT Interface Data Acquisition Software