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Subject Code: ENVS10003_2014_SM1 Subject Name: ConstructingEnvironments

Student ID Number: 581915 Student Name: Yu Qin

Tutorial: N/A

Assignment Name: A01 LOGBOOK INTERIM SUBMISSION (morning studiosessions)

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Week 1 Yu Qin (Garrus) 581915

The introduction of Constructing Environments1.the construction system can been consider as three parts:Structural System: Structural System of a building is designed and constructed to support andtransmit applied gravity and lateral loads safety to the ground without exceeding the allowablestresses in its members.·The superstructure is the vertical extension of a building above the foundation·Columns, beams, and loadbearing walls support floor and roof structures.· The substructure is the underlying structure forming the foundation of building. (LMS

resources)

Enclosure System:is the shell or envelope of a building, consisting of the roof, exterior walls,windows, and doors.·The roof and exterior walls shelter interior spaces from inclement wather and control moisture,

heat, and air flow through the layering of construction assemblies.·Exterior walls and roofs also dampen noise and provide security and provacy for the occupants

of a building.·Doors provide physical access.·Windows can provide access to air, light, view, and also the cycle of heats.· Interior walls and partitions subdivide the interior of a building into spatial units. (LMS

resources)

Mechanical Systems: The mechanical systemd of a building provide essential services to abuilding.·The water supply system provides potable water for huamn consumption and sanitation.·The sewage disposal system removes fluid waste and organic matter from a building.·Heating, ventilating, and air-conditioning systems condition the interior spaces of a building

for the environmental comfort of the occupants.·The electrical system controls, meters, and protects the electric power supply to a building,

and distributes it in a safe manner for power, lighting, security, and communication systems.·Vertical transportation systems carry people and goods from one level to another in medium-

and high-rise building.·Fire-fighting systems detect and extinguish fires.·Structures may also require waste disposal and recycling systems. (LMS resources)

2.Basic knowledge of constructing·Strength — Strong or weak?·Stiffness — Stiff, flexible, Stretchy or Floppy?

· Shape — mono-dimensional (linear)m bi-dimensional (planar) or tridimensional(volumetric)?·Material Behaviour — isotropic or anisotropic?·Economy & Sustainability — cheap or expensive? Available or not (Newton, 2014)

Studio1.Fores are defined by direction, sense and magnitudes (size)2.Compression is a characteristic of mass construction-- which is opposite to extension (Clare,2014)

Mass construction challengeUnderstanding of COMPRESSION

Figure 1

In this activity we tried to create a tower with a round basement by using small wooden brick, andit is also our only material available in this studio.

Figure 2

We make the wall of structureand spaced a distance betweeneach of those bricks, then theupper level have the samestructure by a dislocation.

Figure 3

The biggest problem is how to close the roof.

Figure 4

Then we start to find the solution

Figure5

Figure 6 Figure 7

Analysis of load path:Also there are a short distance between each of thebrick on the same level, but most of compression canbe transfered through brick downwards and finally tothe brick, and because wooden brick is a goodcompression material so it will stabilize the majorstructure.Even if we remove some of bricks in lower level of thestructure in Figure 1, the entire structure is still stable.

In our first try to build the roof we notice that it will always fallwhen the roof become higher. (Figure 4)Then we realizebecause of no conglutination between bricks, and gravity centeris actually under the inner side of each brick, the inner side ofeach brick in roof become too heavy to hold

As shown on Figure 5. The extendingportion can change the gravity centerof this structure and make sure it’sstable than Figure 4,

This is final modelof our structure,compare withother group’smodel, it seemsmost of peoplechoose this kind ofmodel making.

Some of othergroups’ modelmaking

Week 2Structural systems transfer their loading through a series of method to the ground.

Mass construction challenge--FRAME

Figure 8

In this task we aim to build a triangle-frame structure tower by using soft wooden sticks that is0.5cm wide.

With my experiences of model making in high school, I knew that we cannot rely on glue toconnect each of stick, so we have to use the speciality of wood. That why I ask to change eachside of stick by cutting a small groove(Figure 9)

Figure 10

·roller structure: This kind of supports can transferforces alone the surface by rotating. Usually usingfor structures that will expand and contract withtemperature such as bridge.· pinned structure: Like roller structure it will

rotate too but not translate forces to any direction.· Fixed structure: this structure restrain both

translation and rotation. Very common in life, astructure can remain stable only rely on a fixedsupport.

Figure 11 &12 Figure 13As shown on Figure 11 &12, we connect each of stick together without gule, I think this is kind offixed structure and it’s really stable because of highly increasing of friction by increasing ofcontact surface. (Figure 13)

To support the tower, first we make same frames by using gule but it is not so effective becauseglue needs time to become dry and it’s not acting good for wood(Figure 14)

figure 14

Then I have an idea that cut a hole through the stick and use another stick get through it. It reallymake structure more stable not rely on glue. (Figure 15)

Figure 15

Finally we finish our tower with a stable structure! My idea was inspired by the structure oftraditional Chinese architecture, most of them didn’t have nail to connect each of pillar and frame.

Reference list

LMS resources , Constructing Environment, WEEK 1 guide, University of Melbournehttp://issuu.com/envs10003/docs/week_01_guide#embed

Newton, C , 2014, W01 m1 Introduction to Materials, University of Melbourne,http://www.youtube.com/watch?v=s4CJ8o_lJbg&feature=youtu.be