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32 Cards in this Set

  • Front
  • Back

NEWTON

The basic S.I. (System Internationale) unit of force.

LOADS

It is the general term applied for all forces which act upon a structure and anything else which causes stresses or deformations within a structure or part thereof.

DEAD LOADS

It is a term applied to the weight of the materials of construction that is the weight of the beams, girders, flooring, partitions, etc.

FORCE

The quantity that tends to accelerate or change the movement of a body.

LIVE LOAD

It refers to the occupancy load (excluding earthquake or wind forces) which is either partially or fully in place or may not be present at all is called:

DENSITY

Unit weight of materials expressed as weight per unit volume.

2400kg.

Weight of 1 cu.m. of concrete.

LIGHT WEIGHT CONCRETE

What type of concrete when air-dried weighs 1900 kg/cu.m.

1000kg/m3

Density of water?

7850kg/m3

Density of steel?

STRESS

Intensity of force per unit area of the cross section.

STRESS

Is the cohesive force in a body, which resist the tendency of an external force to change the shape of the body.

STRESS (S)

Force(P)/Area(A)

1Pa (pascal)

1N/m2

Curing

Allow concrete to dry slowly by keeping it moist (hydration) to attain maximum strength.

WATER CEMENT RATIO

Compressive strength of fully cured concrete is most directly related to:

CEMENT

What is the most determinant of concrete strength.

SLUMP TEST

A test of the workability of concrete wherein a conical mould is filled with concrete.

PURPOSE OF STRUCTURAL DESIGN

To select and adopt the most practical and most econimical structural system appropriate for the function and architecture of a building or structure conceptualize by an architect.

TUBURAL STRUCTURAL SYSTEM

This system utilizes the principle of the tube in resisting gravity and lateral forces. Used for small floor areas. Most effective for high rise bldgs.

TUBE IN TUBE STRUCTURAL SYSTEM

System is used for larger floor areas.

RIGID FRAME STRUCTURAL SYSTEM

System utilizes a series of frame field rigidly together at the joints to resist gravity and lateral forces. Best suited for 30 to 35 floors.

RIGID

Structural Engineering means a structural member is restrained from rotation about joint which means structural members have end-moment.

MOMENT

Force x distance

COMPOSITE

Consist of steel and concrete.

CORE AND RIGID FRAME AND STUCTURAL SYSTEM

System uses a rigid core generally at the center of the building or structure plan and a rigid frame. Core is usually made of reinforce concrete and rifid frames around it made of steel.

SHEAR WALL STRUCTURAL SYSTEM

System consist of load bearing walls capable of resisting gravity and lateral forces. Ideally overall center of gravity of the walls should be at or near the center of gravity of a building or structure. Prevent torsion.

BRACED STRUCTURAL SYSTEM

Commonly used in steel building structure where selected bays are braced for lateral loads and other other structural members carry gravity force.

COMPOSITE STRUCTURAL SYSTEM

Combination of two or more of the other structural systems. Commonly used for irregular shaped bldgs in plan.

ROOF

Is a covering of the uppermost of a building or structure.

FLAT ROOF

Common for tall bldgs where mechl equipmnt for bldg services may be installed. High water-retention.

LOW SLOPE ROOF

Ratio of roof pitch height to roof span. Less than 30degrees