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  1. Join Date
    May 2004
    Posts
    903
    #11
    sinilip ko po sa loob at labas prefab lahat... yung mga condo na nakita ko dito sa manila prefab yung wall pero may post and beam pa rin sila.. eto wala talaga... so lets say yung pinaka post niya is yung mga wall ang ibig ba sabihin nun hindi ka pwede mag drill ng holes sa wall para sa mga LCD TV at baka masira yung structural integrity ng building?

  2. Join Date
    Sep 2005
    Posts
    13,039
    #12
    kung walang poste diba delikado yun.. parang domino..

    nakita ko lang na walang poste yung mga container vans na patong patong.. mas safe pa yun..

    parang ganito..


  3. Join Date
    Jun 2011
    Posts
    4,509
    #13
    Quote Originally Posted by miso_honi View Post
    usually with this type of construction, instead of using reinforcing bar (re-bar), they use pre-stressed cable tensioners and the concrete is pre cast away from the jobsite. the re-bars and tension cables are welded then covered with concrete. all the walls are load bearing and is a way lot stronger than the CHB (concrete hollow block) that the karate practitioners break with their own hands. for pre cast building system of this type meets at least 3000 psi compressive strength of the cured concrete on suspended slabs like the walls and floors above ground

    sir san po mas makakatipid pag townhouse ang gagawin?

  4. Join Date
    Jun 2011
    Posts
    125
    #14
    Quote Originally Posted by glenn manikis View Post
    sir matibay ba yung ganyan?

    applicable din ba yan sa bahay na 3 story?



    hotels up to 20 floors in our seismic region are built this way. it is fast, less expensive and safer way to build. they were tested by the earthquake of 8.1 magnitude for 60 gruelling seconds and did not suffer noticeable damage.

  5. Join Date
    Jun 2011
    Posts
    125
    #15
    Quote Originally Posted by glenn manikis View Post
    sir san po mas makakatipid pag townhouse ang gagawin?


    the savings is on the forms used for casting the concrete. there is minimal need for shoring, forms and the labor to make, assemble, install and dismantle the forms

  6. Join Date
    Jan 2006
    Posts
    365
    #16
    Quote Originally Posted by glenn manikis View Post
    sir san po mas makakatipid pag townhouse ang gagawin?
    parang may nabasa ako na mas expensive yung prefab pero mas matibay at mabilis ang magiging construction compared sa chb

  7. Join Date
    May 2004
    Posts
    903
    #17
    Quote Originally Posted by miso_honi View Post
    hotels up to 20 floors in our seismic region are built this way. it is fast, less expensive and safer way to build. they were tested by the earthquake of 8.1 magnitude for 60 gruelling seconds and did not suffer noticeable damage.
    kahit wala pong post and beams?

  8. Join Date
    Jun 2011
    Posts
    125
    #18
    Quote Originally Posted by 1997 View Post
    kahit wala pong post and beams?

    the smaller units do not necessarily have beams and columns. the panels of up to 12 inches thick server for this purpose or some of them have a stiffener part (beam-like) cast integrated with the panel itself

  9. Join Date
    Jul 2011
    Posts
    1,711
    #19
    Mas ok ang ganyang walls, kasi mas maganda ung quality ng concrete dahil ang curing ay under controlled environment. Ung site concrete pour kasi nag-iiba pwedeng ung concrete mix ay compromised.

    Thickness of the walls will determine the safe height of the building, and yes pag meron earthquake ang point of failure nyan ay sa welded part, but since ung wall ay casted as one mas matibay ito compared sa pinagpatong na hollowblocks.

    Hindi naman laging sa post or beam pwede kumuha ng strength ang isang structure, ung buong wall ay load bearing na agad. Ung precast na floor din mas maganda kasi tensioned na ung bakal from the factory.

    Sa mga bibili ng mga housing unit na ganito ang material na ginamit ng developer, take attention on the ends, better kung during welding ng joints ay andun kayo at makita nyo na na weld talaga bago takpan ng semento.

  10. Join Date
    Sep 2007
    Posts
    1,868
    #20
    Tama si sir miso_honi. "pre- cast" construction nga ang tawag dito. Karamihan sa mga residential and commercial
    construction projects sa middle east ay ganito na ang ginagawa. And this is a very strong and reliable type of
    construction, provided that all the construction materials passed or exceeded their respective standards.
    Hindi ako civil engineer pero familiar rin ako sa mga "tests" na ginagawa nila sa mga materials, like that
    compressive strength of the cured concrete.
    Hindi basta- basta ang tigas ng mga sementong ginagamit diyan at may takdang oras kung kailan sila puede
    nang gamitin. Kung nakita niyo kung paano binuo 'yang mga 'fly- over", halos ganoon na rin ang procedure
    sa pag- gawa ng mga pre cast buliding. Mabilis gawin 'yan dahil puro "pre- cast" na nga lahat ng concrete
    structures, less time for "Concrete Hollow Block (CHB)" asintada.
    Hahaha! Para ngang apartment type na sementeryo. once finishing touches are applied, maganda naman
    siguro ang kalalabasan niyan. Masasabi ko lang na "OK" 'yan if it did passed or pereferably exceeded all the
    Local and/or International "Construction Standards". If not, well that's quite an expensive- looking grave.

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ok ba yung ganitong construction ng condo?