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DAYANANDASAGAR ACADEMY OF TECHNOLOGY AND MANAGEMENT
School Of Architecture
Even semester 2015, Second Assignment questions - VI semester
Subject Code:09ARC 6.3
Subject: Building Services (Acoustics)
All questions carry equal marks,
31-3-2015.
1. (a) Explain with sketches the sound & surface interactions in buildings
(b) Explain the acoustic consideration in the work spaces
04
06
2. (a) What do you know about Sabine formula ?
(b) Explain the Ambient Noise & Reverberation issues
04
06
3.(a) What causes Echo in Buildings
(b) Explain the importance of Reverberation time in the halls for music
04
06
4. Discuss the behavior of sound in enclosed spaces & its solutions
10
5. Explain the sound Reinforcing & Insulations methods
10
6. Discuss about i) Speech intelligibility ii) Room modes
10
7. Explain Good Acoustic design, what factors affect the basic goal
10
8. Describe the methods adopted for noise control in buildings
10
9. Briefly explain the following.
a.) Standing waves b)Bass Traps c.) Sound Absorbing Materials
d.) sound masking purpose e.) Time delay mechanism
e.) Audio spot lighting.
10
Class Teacher: Prof K S Mukunda
Assoc. Prof.M.V.janardhan Rao
Dayananda Sagar Academy of Technology & Management
Department of Civil Engineering
Udayapura, Kanakapura Main Road, Opp. Art of Living, Bangalore - 560082
Assignment – II
Subject: Structures VI
Semester: VI
1.
Subject code: 09ENG6.5
Date: 20 Mar 2015
Design a tension member using single angle section to carry a load of 200kN (working). Use
M20, grade 5.6 black bolts. Do the necessary check.
(20 marks)
2.
Design a tension member of a roof truss to carry a load of 120kN. The length of the member is
1.8m. The member designed shall be single angle section connected to the gusset plate 12mm
thick by M20 bolts of grade 4.6. Also design the connection between the angle and the gusset
plate.
(20 marks)
3.
Design a tension member of a roof truss to carry a load of 150kN. The length of the member is
1.75m. The member designed shall be single angle section connected to the gusset plate
10mm thick by M20 bolts of grade 4.6. Also design the connection between the angle and the
gusset plate.
(20 marks)
4.
Design a double angle discontinuous strut consisting of two angles placed on either side of a
gusset plate 16mm thick. The axial load is 150kN and length of the member between the
centers of the intersection is 2.5m.
(20 marks)
5.
Design a double angle discontinuous strut consisting of two angles placed on either side of the
gusset plate 16mm thick. The axial load is 160kN and length of the member between center to
center of intersection is 2.6m.
(20 marks)
6.
Determine the compressive strength of a strut ISA 100 x 100 x 10mm. take le = 4m.
7.
8.
(10 marks)
Design a strut using double angle section to carry a load of 200kN. The length of the member
is 3m. Use welded connection.
(10 marks)
Design a strut angle to carry a load of 150kN using single angle section. The length of the
member is 2m. Use welded connection.
(10 marks)
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Visvesvaraya Technological University Belgaum
School of Architecture
6th sem ; Assignment 2
Estimating & Costing
A. Write detailed specification for the following items of work.
1.
2.
3.
4.
5.
6.
7.
R.C.C 1:2:4
P.C.C 1:3:6 for plinth
2.5cm thick cement concret flooring.
Wood work for doors & widows.
Distempring.
R.C.C for roof slab.
Providing & lying AC sheet roofing with necessary accessories.
B . Estimate the quantity of earth work for a portion of road of the lenth 300m from following data.
Foundation width 10m
Side slope banking B - 2:1
Cutting
1 ½:1
The formation level at 1st chain is 102.0. The road downward gradient up to 120m.
Afterward gradint changes to 1:100
C. calculate the valume of the earth work for portion of aroad by mean deapth method from the following data.
Distance.
1000 1040 1080 1120 1160 1200 1240 1280 1320 1360
1400
RL of Gd
31.0 30.9
30.60
30.5 30.8
30.6
30.7 31.20 31.40
Downward gradient upto 1400.cm 100-----1m drop
Downward gradient for every 40m
31.3
31.0
DAYANANDA SAGAR ACADEMY OF TECHNOLOGY AND MANAGEMENT
SCHOOL OF ARCHITECTURE
ASSIGNMENT QUESTIONS FOR THE VI SEMESTER 09ARC 6.8 THEORY OF ARCHITECTURE II
1. State contributions of Violet le duc and John Ruskin to Theory of Architecture and explain.
2. Explain Quatremere de Quincy`s concept to Architecture.
3. Describe contribution of Gottfried Semper, to Theory of Architecture
4. Describe Aldof Loos concepts to Theory of Architecture
5. Explain ideas of Eero Sarinen
6. Through works of Erich Mendelson explain his theories
7. Describe Otto Wanger concepts to Theory of Architecture
8. Explain concepts of Richard Nuetra to Theory of Architecture
SUBJECT TEACHER
HOD
PRINCIPAL