Anh Minh Ngo Tesselated Structure C-BIP Midterm 2011

transcript

Columbia building intelligenCe ProjeCtintegrated design studio - sPring 2011 anh minh ngoan2400sTUCTUREmEmBERUDF

Phase two: element design11 marCh 2011

Design Intent

SHoP. The Porter House. SHoP. The Green Street LoftsHerzog&deMeuron. ElbPhilarmonie.

Existing Building Structure

Structure Type A added with AvailFAR left Structure Type B added with AvailFAR left Structure Type A added with no AvailFAR left

Scenario 1

Sell Development Rights [TDR]

Scenario 2 Scenario 3 Scenario 4

Existing structure reinforced

Unused FAR

AvailFAR[incl BonusFAR]

UnAvailFAR

Design Intent

330 Hudson Street Case Study

Masonry Load-bearing wall

Concrete Columns

Concrete Core

Concrete Slabs

Existing structure reinfocement

Live Load based on Occupancy Types

EXISTING BUILDING STRUCTURAL CONDITIONS(based on programmatic requirements)

Intended Program Use

Deviation from the existing structuralgrid

Cantilever

Voids / Atriums

Long spans

Residential

Commercial

Sport Facilities

Leftover Capacity (psf)

Structural Reinforcement

Existing Structural Capacity

Intended Occupancy LL / sqf / person

DL + LL

Connections to existing structure

ENVIRONMENTAL INTEGRATION

Shading

Climatic Envelope

MEP Integration

Wind Channelling

Water treatment s-m

Square Footage left

Theater / Auditorium

Available FAR

Original Construction Technology

Scenario 4_Tensile / Cable Scenario 5_Tube

Scenario 1_Top Addition Scenario 2_StructureReinforcement

Scenario 3_Combination

Design Intent

Structure & Design Load

Stack Areas

Lecture hallsTheaters

DESIGN MAP_PART1

EXISTING BUILDING

STRUCTURE ANALYSIS + SURPLUS LOAD-BEARING CAPACITY CALCULATION

NEW ROOF-TOP ADDITION

STRUCTURE ANALYSIS

CONSTRUCTION TYPE

STEEL MEMBER CONSTRUCTION

ORIGINAL OCCUPANCY

CURRENT / PROPOSED OCCUPANCY WITHIN

THE EXISTING BUILDING

ACTION

NAMING CONVENTION

MEASUREMENT OUTPUT

MEASUREMENT INPUT

GEOMETRY OUTPUT

GEOMETRY INPUT

RULE - BASED OUPUTORIGINAL DEAD LOAD DESIGN

OriginalDL

ORIGINAL TOTAL DESIGN LOAD

OriginalTotalDesignLoad= OriginalDL + OriginalLL

REINFORCED TOTAL DESIGN LOAD

ReinforcedTotalDesignLoad= OriginalTotalDesignLoad x ReinforcementFactor

SURPLUS DESIGN LOAD

SurplusDesignLoad= OriginalTotalDesignLoad x ReinforcementFactor

If the current / proposed occupancy within the existing building has a lower design live load [CurrentdLL] than the original occupancy design live load [OriginalLL] than vertical structural / programmatic addition is allowed.

RULE # 1

ORIGINAL LIVE LOAD DESIGN

OriginalLL

CURRENT LIVE LOAD DESIGN

CurrentLLCURRENT REDUCED LIVE LOAD

CurrentReducedLL

ReinforcementFactor = 1.25

CURRENT TOTAL DESIGN LOAD

CurrentTotalDesignLoad

steel skeletal frame 490 psf

reinforced concrete 200 pcf

load-bearing masonry 130 pcf

heavy timber frame 85 pcf

Check NYC Building Information System for Certificate of Occupancy

Check formula for Reduced Live Load from the Excel table

Check NYC Building Codefor Occupancy Live Loads

http://www.nyc.gov/html/dob/downloads/bldgs_code/bcrs9.pdf

PROPOSED OCCUPANCY WITHIN THE ROOF-TOP ADDITION

PROPOSED LIVE LOAD DESIGN

ProposedLLPROPOSED REDUCED LIVE LOAD

ProposedReducedLL

Check formula for Reduced Live Load from the Excel table

Check NYC Building Codefor Occupancy Live Loads

http://www.nyc.gov/html/dob/downloads/bldgs_code/bcrs9.pdf

ACTION

NAMING CONVENTION

PARAMETER OUTPUT

PARAMETER INPUT

PARAMETER INPUTS

GEOMETRY OUTPUT

GEOMETRY INPUT

GEOMETRY INPUTS

RULE - BASED OUPUT

OriginalDL

ExistingColumnCenterPt1

MemberNLength

MemberNParameterChoice

BranchCount

1 branch

Length

MemberLength = MemberHeight / Cos (MemberVerticalInclineAngle)

Height

2 branch

3 branch

4 branch

MemberNHeight

MemberNVerticalInclineAngle

MemberNRotationAngle

ColumnGridLength

ColumnGridWidth

DESIGN MAP_PART1

STRUCTURE EXAMPLES

Anh Minh Ngo Tesselated Structure C-BIP Midterm 2011

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