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THEORY OF STRUCTURES > EARLIER LESSONS > Flashcards

EARLIER LESSONS Flashcards

IDEALIZATION OF STRUCTURES, FREE BODY DIAGRAM, 2 WAY SLAB, DEADLOAD AND LIVELOADS, DETERMINACY AND STABILITY OF STRUCTURE

1
Q

refers to a system of connected parts used to support a load.

A

STRUCTURE

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2
Q

is the science and art of planning, designing, constructing safe and economical structures that will serve their intended purposes.

A

STRUCTURAL ENGINEERING

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3
Q

STRUCTURAL MEMBERS SUBJECTED TO A TENSILE FORCE

A

TIE RODS/BRACING STRUTS

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4
Q

ARE USUALLY STRAIGHT HORIZONTAL MEMBERS USED PRIMARILY TO CARRY VERTICAL LOADS. MEMBERS DESIGNED TO* RESIST BENDING MOMENT.*

A

BEAMS

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5
Q

MEMBERS THAT RESIST AXIAL COMPRESSIVE FORCE.

A

COLUMNS

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6
Q

CONSIST OF SLENDER ELEMENTS USUALLY ARRANGED IN A TRIANGULAR FASHION.

A

TRUSSES

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7
Q

ARE USUALLY FLEXIBLE AND CARRY THEIR LOADS IN TENSION

A

Cables

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8
Q

ACHIEVE ITS STRENGTH IN COMPRESSION, SINCE IT HAS REVERSE CURVATURE TO THE CABLE

A

Arches

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9
Q

are often used in buildings and are composed of beams and columns that are either pin or fixed connected

A

FRAMES

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10
Q

made from a material having a very small thickness compared to its other dimensions.

A

SURFACE STRUCTURES

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11
Q

is the process of determining the elements of a structure such as size of columns, beams, their reinforcements or foundation elements by methodical computation.

A

STRUCTURAL DESIGN

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12
Q

is a process of determining wether the design made can resist to actual loads; in other words. it is also to evaluate the performance of a structure.

A

STRUCTURAL ANALYSIS

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13
Q

2 TYPES OF STRUCTURAL FORMS

A

A. STRUCTURAL ELEMENTS
B. TYPES OF STRUCTURES

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14
Q

TYPES OF STRUCTURES

A

A. TRUSSES
B. CABLES & ARCHES
C. FRAMES
D. SURFACE STRUCTURES

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15
Q

STRUCTURAL ELEMENTS

A
  • TIE RODS/ BRACING STRUTS
  • BEAMS
  • COLUMNS
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16
Q

is considered the backbone of all engineering programs. It deals with the basic concepts of force, moment and its effect on bodies at rest or in motion. It helps us understand how different bodies behave under the application of different kinds of loads or forces.

A

APPLIED MECHANICS

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17
Q

The Branch of Science which *deals with the study of different laws of Mechanics *as applied to the Solution of Engineering Problems is called

A

APPLIED MECHANICS

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18
Q

Mechanics can broadly be classified into two branches

A
  1. STATICS
  2. DYNAMICS
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19
Q

study of bodies at rest.

A

STATICS

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20
Q

study of bodies in motion.

A

DYNAMICS

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21
Q

are those that undergo deformation in size and shape under the effects of forces acting over them.

A

DEFORMABLE BODIES

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22
Q

Good Knowledge of _____________is essential in the study of Mechanics of Deformable Bodies.

A

Materials

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23
Q

In the Real world no solid body is ___________
______________ as everybody changes its size and shape under the effects of forces but many a times the deformation is negligible enough for the body to be considered Rigid

A

PERFECTLY RIGID

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24
Q

is any external effort or agency that causes an object to undergo a certain change, either concerning its movement, direction, or geometrical construction.

A

FORCE

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25
Q

The principle states that when a force acts upon a body, it’s effect is the same whatever point in its line of action is taken as the point of application provided that the point is connected with the rest of the body in the same invariable manner.

A

Principle of Transmissibility of Force

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26
Q

The effects of two forces acting simultaneously on a body are the same as the effect of the two forces acting independently.

A

Principle of Superposition of Forces

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27
Q

A force can be represented graphically by a vector

A

VECTOR REPRESENTATION

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28
Q

A force can be designated by two capital letters written one on either side of the force as shown above.

A

BOW’S NOTATION

29
Q

When a number of forces are acting TOGETHER we call them a _________ ______

A

FORCE SYSTEMS

30
Q

When a system of forces is such that all forces LIE in ONE plane then it is called a

A

COPLANAR FORCE SYSTEMS

31
Q

Forces in this system LIE along a SINGLE line.

A

COLLINEAR FORCE SYSTEM

32
Q

Forces in this system INTERSECT at a single/one point.

A

CONCURRENT FORCE SYSTEM

33
Q

Forces parallel to each other.

A

NON CONCURRENT PARALLEL FORCE SYSTEM

34
Q

Forces are coplanar bur not parallel.

A

NON CONCURRENT NON PARALLEL FORCE SYSTEM

35
Q

When forces in a system do not lie in one plane.

A

NON COPLANAR FORCE SYSTEMS

36
Q

Forces in this system do not intersect at one point.

A

NON CONCURRENT FORCE SYSTEM

37
Q

is a single force which can replace two or more forces and produce the same effect on the body as the forces. Many forces can be composed into one single Resultant Force and this is known as:

A

COMPOSITION OF FORCES

38
Q

As many forces can be composed into one single Resultant, so can a single Force be replaced by two forces acting in directions which will produce the same effect as the single force. This breaking of the force into two forces is called

A

RESOLUTION OF A FORCE

39
Q

The law states that, If three forces acting at a point are in equilibrium, they can be represented in magnitude and direction by the sides of a triangle taken in order.

A

TRIANGULAR LAW OF FORCES

40
Q

states that, If a number of forces acting simultaneously on a particle/ body (concurrent forces) can be represented in magnitude and direction by the sides of a polygon taken in order, their resultant may be represented in magnitude and direction by the closing side of the polygon taken in opposite order.

A

LAW OF POLYGON OF FORCES

41
Q

is a pair of forces, equal in magnitude, oppositely directed, and displaced by perpendicular distance or moment.

42
Q

The structural element that bears the weight / load of the spanning member and keeps it upright, providing resistance from gravity.

43
Q

a support providing *only vertical resistance *to the ends of a spanning members, while provides horizontal & rotational translation.

A

SIMPLE SUPPORT

44
Q

A support providing vertical & horizontal resistance to the ends of a spanning member, while provides rotational translation only.

A

HINGED / PINNED SUPPORT

45
Q

A **non-frictional support **providing only *vertical resistance *to the ends of a spanning member, while provides horizontal & rotational translation.

A

ROLLER SUPPORT

46
Q

A support providing** vertical, horizontal & rotational resistance** to the end of a spanning member.

A

FIXED SUPPORT

47
Q

Structures which can be analysed just by use of basic equilibrium equations (ΣFH= 0, ΣFV= 0,ΣM = 0) are called as

A

STATICALLY DETERMINATE STRUCTURES

48
Q

Structures which cannot be analysed just by use of basic equilibrium equations (ΣFH= 0, ΣFV= 0,ΣM = 0) and require special equations like compatibility relations, are called as statically indeterminate structures. E.g. Fixed beam, Propped cantilever beam, Continuous beam, Frames / Trusses.

A

STATICALLY INDETERMINATE

49
Q

The number of **reactions excess **over the number of equilibrium equations available is called as___________ ________.

A

DEGREE OF INDETERMINANCY

50
Q

to ensure the equilibrium of a structure of its members, it is not only necessary to satisfy the equations of equilibrium.

51
Q

a structure or one of its members may have fewer reactive forces than equations of equilibrium that must be satisfied

A

PARTIAL CONSTRAINTS

52
Q

a structure may have as many unknown forces as there are equations of equilibrium.

A

IMPROPER CONSTRAINTS

53
Q

The clear horizontal distance between supports is called as

A

CLEAR SPAN & EFFECTIVE SPAN

54
Q

3 CLASSES OF LOADING:

A
  • LIVE LOADS
  • DEAD LOADS
  • ENVIRONMENTAL LOADS
55
Q

Cross sectional area x density of material

A

DEAD LOAD CALCULATION

56
Q

is assumed as per occupancy of the building, which depends on the footfall.

57
Q

originator of the theory of structures

A

GALILEO GALELEI

58
Q

developed law of linear relationships between the force and deformation of materials.

A

ROBERT HOOKE

59
Q

FORMULATED THE LAWS OF MOTION AND DEVELOPED CALCULUS

A

SIR ISAAC NEWTON

60
Q

FORMULATED THE PRINCIPLE OF VIRTUAL WORK.

A

JOHN BERNOULLI

61
Q

1ST PHASE OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

A

PLANNING PHASE

62
Q

2ND PHASE OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

A

PRELIMINARY STRUCTURAL DESIGN

63
Q

3RD PHASE OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

A

ESTIMATION OF LOADS

64
Q

4TH PHASE OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

A

STRUCTURAL ANALYSIS

65
Q

6TH PHASE OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

A

CONSTRUCTION PHASE

66
Q

GIVE 1 GENERAL BUILDING CODE

A

NATIONAL BUILDING CODE OF THE PHILIPPINES

67
Q

GIVE 2 DESIGN CODES

A
  • BUILDING CODE REQUIREMENTS FOR REINFORCED CONCRETE, American Concrete Institute (ACI)
  • MANUAL OF STEEL CONSTRUCTION, AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)
68
Q

is dyne a part of unit force?

THEORY OF STRUCTURES (1 decks)

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