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Reconstruc*on with compressed interlocking stabilised earth blocks Gordon Browne Good Earth Trust Southampton Solent University

Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

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Page 1: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Reconstruc*on  with  compressed  interlocking  stabilised  earth  blocks  

Gordon  Browne  Good  Earth  Trust  

Southampton  Solent  University    

Page 2: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

*    Extensive  use  of  concrete  blocks  and  fired  bricks  in  reconstruc*on  are  expensive  and  have  a  high  embodied  energy    *    Cement  for  concrete  and  mortar  is  expensive  and  o?en  difficult  to  procure.    

Page 3: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Deforesta*on  is  happening  in  many  countries  as  trees  are  cut  down  to  fire  kilns  to  meet  the  demand  for  bricks    

Page 4: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+
Page 5: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Das Bild kann nicht angezeigt werden. Dieser Computer verfügt möglicherweise über zu wenig Arbeitsspeicher, um das Bild zu öffnen, oder das Bild ist beschädigt. Starten Sie den Computer neu, und öffnen Sie dann erneut die Datei. Wenn weiterhin das rote x angezeigt wird, müssen Sie das Bild möglicherweise löschen und dann erneut einfügen.

Page 6: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

*    Clay  or  lateri*c  soil  mixed  with  sand  and  5%  cement  or  other  suitable  stabiliser    *    Due  to  the  interlock  feature  there  is  only  a  thin  2-­‐5mm  mortar  joint  required  to  bond  the  blocks  together  

Page 7: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Fired  bricks  can  be  of  a  poor  quality,  and  have  thick  mortar  joints  

Page 8: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Manual  produc*on    of  ISCEB?  

Manually  operated  machines  

Page 9: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Mlodza Primary School in Lilongwe is still sound after 14 years of hard use by 1,000s of students.

Improve  poor  housing  with  stabilised  earth  blocks  

Minimal  transport  and  CO2  

Page 10: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Rainwater  harves*ng  tanks  using  interlocking  stabilised  compressed  earth  blocks  

Page 11: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Hai*    Hurricane  Gustav  2008  &  Earthquake  2010  A  case  for  earth  blocks?    

“The  majority  of  the  tents  did  not  remain  waterproof  and  required  addi*onal  tarpaulins.  Most  tents  have  an  an*cipated  life*me  of  less  than  6  months  in  Hai*,  and  many  are  of  a  poor  quality,  size  or  design  and  are  unsuitable  for  providing  family  shelter.”    

Page 12: Reconstruction with compressed interlocking stabilised ...reconstruction...interlocking+stabilised+earth+blocks+ GordonBrowne Good&Earth&Trust Southampton&SolentUniversity&& *+Extensive+use+of+concrete+blocks+

Further  details  from  [email protected]    

www.goodearthtrust.org.uk