Donovan Paksbab Isbc
Transcript of Donovan Paksbab Isbc
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PAKSBAB - Pakistan Straw Bale and Appropriate Building
A project of Builders Without Borders
Surkhab Khan, C.O.O.
Darcey Donovan, P.E., C.T.O.
www.paksbab.org
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Kashmir Earthquake Oct. 8, 2005
Mw = 7.6
86,000 lives lost
100,000 seriously injured
3,500,000 people homeless
780,000 buildings destroyed
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How it all started (simplified version):
Darcey volunteers to help advise a straw bale pilot project with Dosti
Welfare Organization in northern Pakistan
Surkhab is Assistant Program Officer and facilitates project
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PAKSBABs mission:
To apply straw bale and other appropriate building solutions to
protect and improve the lives of the poor, especially in seismic and
severe temperature regions of the developing world.
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What makes PAKSBABs straw bale
system unique?
Earthquake resistant AND affordable Simple load bearing design
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Straw bales are made with locally fabricated compression
moulds and manually operated farm jacks
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Foundation construction with fishing net for seismic reinforcement.
Tops and sides of rock foundation are plastered with soil cement.
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Straw bales are placed in a running bond with bamboo pins for
out-of-plane support. Trusses are connected to top plates.
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Ceiling is insulated with light straw clay. Slip is applied to walls, then
base plaster coat. Fishing net is spread and attached to framing.
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Second and final plaster coats are applied
and finished with clay paint or lime wash
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Jabori Womens Community
Center, 2006
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Hillkot Residence, 2006-2007
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One-room 3-house project,
Mansehra & Shinkiari, 2007
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Community Development Program
Gul Khan / Ghoria Bibi
Qalandarabad, 2008
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Bach Christian Hospital
Employee Housing, 2009
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Wheelchair accessible homes
for SCIPPER patients, 2011-12
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Engineers Without Borders Denmark
10-House Project, 2012
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PAKSBAB Seismic Research Project
2008-2009
A NEES Shared Use Project
@ the University of Nevada, Reno
Sponsored by the Earthquake Engineering
Research Institute (EERI)
In-plane cyclic tests of 4 straw bale wall assemblies 8 shake table tests of full scale 14x14x 10 house
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Straw bale wall specimen construction
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In-plane cyclic test
4 foot wall with light detailing (no reinforcement)
In-Plane Cyclic Test Protocol
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In-plane cyclic test
4 foot wall with medium detailing (#9 fishing net reinforcement)
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In-plane cyclic test
4 foot wall with heavy detailing (#12 fishing net reinforcement)
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In-plane cyclic test
8 foot wall with heavy detailing (#12 fishing net reinforcement)
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Wall Test 4 Load vs. Displacement
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Displacement (in.)
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Wall Test 3 Load vs. Displacement
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Displacement (in.)
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PAKSBAB Wall Test 1
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Lateral Wall Displacement (inches)
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PAKSBAB Wall Test 2
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Lateral Wall Displacement (inches)
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Straw bale house construction on portable platform /
lifting onto shake table
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House survived 8 increasing levels of earthquakes / 0.8g acceleration -
larger than 0.3-0.6g estimates of the Kashmir Earthquake
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To view a video of PAKSBABs shake table tests -
http://nees.unr.edu/projects/straw_bale_house.html
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Whats next: Global Social Benefit Incubator at Santa
Clara University / Jawad Aslam, C.E.O.
Ansaar Management Company
Bari Imam Accessible Group Home
Rural Permaculture Pilot Project
Low-income Housing Development Pilot
Project
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Thoughts:
Organization/company building and SBbuilding co-emphasis
Systems (permaculture) approach
Non-profit versus for-profit social enterprise
Microfinance mortgages need to be
investigated
Carbon project certification / offsets subsidize
micro-income clients
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Providing appropriate building solutions
for people, planet and peace
www.paksbab.org