CRITERIA OF ERD

Question 1

Criteria of ERD

Answer 1

-function
-cost
-reliability

Question 2

Determination of structural plan

Answer 2

-be symmetrical
-be simple
-not to be elongated in plan or elevation
-have uniform and continuous distribution of strength
-have horizontal members which form hinge before the vertical members
-have its stiffness related to the sub-soil properties

Question 3

Damages to foundation of EQ

Answer 3

-Soil Damage
-Foundation Damage
-Flexure Damage
-Shear Damage
-Faulting

Question 4

Cause of damages

Answer 4

-inadequate resistance to horizontal ground shaking
-soil amplification
-permanent displacement (surface faulting and ground failure)
irregularities in elevation and plan
-tsunami wave run up
-lack of detailing and poor construction materials
-lack of attention to non-structural elements

Question 5

Philippines lies in subduction zone between two plates, what are these plate?

Answer 5

Eurasian plate and Philippine sea plate

Question 6

purpose to safeguard against major structural failures and loss of life, not to limit damage or maintain function

Answer 6

EQ provision of NSCP

Question 7

Assure life safety

Answer 7

Code Philosopy

Question 8

Structures must be able to

Answer 8

-resist minor eq w/ damage
-resist moderate eq w/ structural damage but possibly w/ non-structural damage

Question 9

Types of Lateral Force Procedure

Answer 9

-Simplified Static Lateral Force Procedure
-Static Lateral Force Procedure
-Dynamic Lateral Force

Question 10

Building occupancy not more than 3-story in height, excluding basement, that use light-frame construction

Answer 10

Simplified Static Lateral Force Procedure

Question 11

Other buildings not more than 2-story in height excluding basement

Answer 11

Simplified Static Lateral Force Procedure

Question 12

All structures, regular or irregular, in Category IV and V in Zone 2

Answer 12

Static Lateral Force Procedure

Question 13

Regular structures under 75m in height

Answer 13

Static Lateral Force Procedure

Question 14

Irregular structures not more than 5-story nor 20 m in height

Answer 14

Static Lateral Force Procedure

Question 15

Structures 75 m or more in height

Answer 15

Dynamic Lateral Force

Question 16

Structure w/ stiffness, weight or geometric irregularities

Answer 16

Dynamic Lateral Force

Question 17

Structure over 5-story or 20 m in height in Zone 4 not having the same structure system throughout that height

Answer 17

Dynamic Lateral Force

Question 18

Structure regular or irregular located in Sf that have a period greater than .70 sec

Answer 18

Dynamic Lateral Force

Question 19

Analysis due to Eq

Answer 19

-Location
-Structure type and framing system
-Frame analysis
-Combined Forces

Question 20

Location

Answer 20

Zone, Seismic Source Type, distance from source, soil parameters

Question 21

Structure type and framing system

Answer 21

Influence factor, height, configuration, period, Na, Nv, Lateral Force Procedure

Question 22

Frame analysis

Answer 22

Design Base shear, Lateral Force Distribution, stress, drift, P-delta effects

Question 23

Combined Forces

Answer 23

EQ,LL,DL