Views: 0 Author: Site Editor Ɣeyiɣi si Wotae: 2024-10-24 Dzɔtsoƒe: Teƒe
akɔntabubu le beam formwork ŋu tsɔ dia ɣeyiɣi kpui aɖe ƒe aŋɔ siwo hiã be woatsɔ aƒu kɔkrit beam ƒe anyigba ƒe lolome. Wozãa Le xɔtunu si le dzogoe ene me si ƒe axa eve wowɔ eye eƒe mo le ete gome la, mɔfiame vevitɔe nye:
Beam Formwork Area = Didime × (Kekeme + 2 × Formed Axa ƒe Goglome)
Mɔfiame sia ɖe alesi woabu akɔnta le xɔtunu ƒe nɔnɔmetata ŋu me, eɖe kpɔɖeŋu nyui aɖe fia, eye wòƒo nu tso vovototo si le xɔtunu kple xɔtunu ƒe akɔntabubuwo dome ŋu.
Beam formwork nye ɣeyiɣi kpui aɖe ƒe aŋe si léa kɔnkrit yeye ɖe beam ƒe nɔnɔme si hiã me vaseɖe esime ŋusẽ nasu esi. Zi geɖe la, axadzikpa eve, ete si woyɔna be soffit, kple xɔ si lée ɖe te la nɔa eme.
Nu vevi siwo le eme dometɔ aɖewoe nye:
Axadzinuwo: Trɔ asi le kɔkrit-ti la ƒe mo siwo le tsitrenu ŋu.
Soffit panels: Wɔ beam la ƒe anyime.
Atiwo ƒe atiwo: Do alɔ ʋuƒoawo eye nàtsɔ agbawo ayi xɔ si lé wo ɖe te la gbɔ.
Nusiwo woatsɔ awɔe kple nusiwo woatsɔ akpe ɖe eŋu: Tsɔ xɔtugbawo ne èle kɔkrit ɖom.
Kadodowo kple kaƒomɔ̃wo: Kpe ɖe eŋu be xɔtunua nali ke eye wòanɔ ɖeka.
Zi geɖe la, atiwo ƒe xɔtuɖoɖo zãa H20 atikpo siwo ŋu plywood-tiwo kple dɔwɔnu siwo kpena ɖe wo ŋu le. Ati siawo nye xɔtunu siwo wotsɔ léa xɔtunuwo ɖe te hena ɣeyiɣi aɖe, ke menye kɔkrit-ti siwo wotsɔ ƒua gbe la o.
Lianggong tsɔa nu naa amewo H20 Timber Beams siwo woazã le kɔnkrit-mɔ̃wo me.
Be xɔtulawo nate ŋu awɔ ɖoɖo nyuie la, ele be woabu akɔnta le teƒe si kɔnkrit ate ŋu adze kple agba siwo ɣeyiɣi kpui aɖe ƒe kpekpeɖeŋunamɔ̃a atsɔ siaa. Esiawo nye dɔ vovovo eve.
si bɔ wu Beam formwork ƒe akɔntabubu dzidzea beam si le dzogoe ene me ƒe anyime kple axa eve siwo le tsitrenu.
Mɔfiame vevitɔe nye:
A = L × (b + 2d) ƒe xexlẽme.
Afi ka:
A = Beam ƒe xɔmenuwo ƒe lolome bliboa (m2) .
L = Beam si wowɔ ƒe didime (m) .
b = Beam soffit ƒe kekeme (m) .
d = Axa ɖesiaɖe si wowɔ ƒe kɔkɔme (m) .
Mɔfiame sia tsɔe be akpa evea siaa ƒe kɔkɔme si wowɔ la sɔ eye be atikpoa tame gakpɔtɔ le ʋuʋu ɖi be woatsɔ kɔkrit aɖoe.
| Formwork surface | Akɔntabubu ƒe mɔfiame |
|---|---|
| Anyigba si le ete (soffit) . | Didime × Kekeme |
| Miame ƒe akpa dzi | Didime × Axa ƒe Goglome si Wowɔ |
| Nuɖusi ƒe akpa dzi | Didime × Axa ƒe Goglome si Wowɔ |
| Total na akpa siwo sɔ | Didime × (Kekeme + 2 × Axa ƒe Goglome si Wowɔ) |
| Nuwuwu si wowɔ kpee | Kekeme × Wowɔ Nuwuwu Kɔkɔme |
Wotsɔa teƒe siwo le ete kple axadzi la kpena ɖe wo nɔewo ŋu elabena woawoe nye anyigba siwo ka kɔkrit yeyea.
Ne atikpo aɖe ƒe kɔkɔme siwo wowɔ le axa ɖesiaɖe to vovo la, bu akɔnta le axa ɖesiaɖe ŋu ɖe vovo.
A = (L × b) + (L × d1) + (L × d2) .
Ele be woatrɔ asi le mɔ̃a hã ŋu ne atikpo aɖe ƒo ƒu ɖe kpe gbadzɛ, sɔti, alo gli ŋu. Xlẽ anyigba siwo hiã na xɔmenuwo ŋutɔŋutɔ ko, eye nàwɔ ɖe dɔa ƒe dzidzenu ƒe sewo dzi.
Mɔ bɔbɔetɔ si dzi woato ase beam formwork ƒe akɔntabubu gɔmee nye be woawɔ dɔ to kpɔɖeŋu bɔbɔe aɖe dzi.
Tsɔe be kɔkrit-ti si le dzogoe ene me le dɔ aɖe si si ƒe didime nye esiawo:
| Parameter | Kpɔɖeŋu ƒe asixɔxɔ |
|---|---|
| Beam ƒe didime | 5 m |
| Beam ƒe kekeme | 0.30 m |
| Woɖo axadzi goglome | 0.50 m |
| Beamwo ƒe xexlẽme | 1 |
| Anyigba siwo wowɔ | Ete kple axa eve |
Esiawo nye kpɔɖeŋu didime siwo woatsɔ aɖe akɔntabubua me, ke menye Lianggong ƒe adzɔnu aɖe ƒe nɔnɔme tɔxɛwo o.
Gbã la, de dzesi axa siwo hiã be woawɔ xɔtunua ƒe didime, soffit ƒe kekeme, kple kɔkɔme.
Trɔ didimewo katã woazu nu ɖeka ma ke.
Le kpɔɖeŋu me:
Beam ƒe kekeme = 300 mm = 0.30 m
Axa si wowɔ ƒe goglome = 500 mm = 0.50 m
Beam ƒe didime = 5 m
Unit siwo mewɔa tɔtrɔ o zazã le vevie elabena milimeta kple mita tsakatsaka naa nusiwo mesɔ o dona tsoa eme.
Akpa si le ete la léa kɔkrit yeye si le atikpoa te la ɖe te.
Anyigba si le ete = Didime × Kekeme
= 5 × 0.30 ƒe lolome
= 1.50 m2 ƒe lolome
Zi geɖe la, axa eve siwo wowɔ la nɔa atikpo si le dzogoe ene me ŋu.
Axadzinuto = 2 × Didime × Axa ƒe Goglome si Wowɔ
= 2 × 5 × 0.50 ƒe lolome
= 5.00 m2 ƒe lolome
Tsɔ teƒe siwo le ete kple axadzi kpee:
Anyigba ƒe lolome katã = 1.50 + 5.00 = 6.50 m2
Alo:
A = 5 × (0.30 + 2 × 0.50) ƒe xexlẽme.
A = 6.50 m2 ƒe lolome
Eyata wobu akɔnta be kɔnkrit-kadodo ƒe xɔtunu si woatsɔ awɔ xɔtunu siae nye 6.50 m2.
Nusi do tso eme sia meɖe nuwuƒe mo siwo wowɔ ɖe vovo, mɔdodowo, nusiwo wotsɔ lãa nu ƒe gbeɖuɖɔ, kple ɣeyiɣi kpui aɖe ƒe kpeɖeŋutɔ ƒe akpa bubu siwo wotsɔ kpe ɖe eŋu la ɖa.
Ne xɔtunu geɖe ƒe didime sɔ la, tsɔ xɔtunu ɖeka ƒe lolome ɖe atikpoawo ƒe xexlẽme dzi.
Total Formwork Area = Anyigba ƒe lolome le Beam ɖeka me × Beam ƒe xexlẽme
Le beam siwo ƒe didime to vovo gome la, bu akɔnta le beam ɖesiaɖe ŋu ɖe vovo eye nàtsɔ emetsonuwo akpe ɖe eŋu.
Mɔnu sia naa nuwo ƒe dzodzo si me kɔ wu eye wòkpena ɖe ame ŋu be woaƒo asa na agbɔsɔsɔme ƒe vodadawo.
Zi geɖe la, atiwo ƒe xɔgbakpewo ƒe xɔtunuwo zãa H20 atiwo, plywood-gbadzɛwo, gakpo siwo wotsɔ wɔa nu, kple ta siwo wotsɔ léa wo ɖe te tsɔ wɔa kɔkrit anyigba.
Gake slab formwork kple beam formwork mezãa dzidzenu ɖeka ɣesiaɣi o.
Zi geɖe la, kpe gbadzɛ hiã be woatsɔ anyigba si le anyigba le tsia dzi, gake ati si le anyime ya ƒe anyime kple axa eve siwo le tsitrenu siwo dzena.
Ne èdi xɔgbakpe bɔbɔe si le dzogoe ene me la:
Slab Formwork Area = Slab ƒe Didime × Slab ƒe Kekeme
Esia bua akɔnta le soffit ƒe teƒe si le tsia dzi hafi woɖea ga le eme alo wowɔa edge bubuwo.
Ne wotsɔ kɔkrit-ti kple kpe gbadzɛ ƒu gbe ɖekae la, atikpoa ƒe axadzi goglome si wowɔ ate ŋu ato vovo tso eƒe xɔtuɖaŋu bliboa gbɔ.
Le kpɔɖeŋu me, tsɔe be:
Beam ƒe goglome katã = 0.55 m
Slab ƒe titrime = 0.15 m
Beam ƒe kekeme = 0.30 m
Beam ƒe didime = 5 m
Beam ƒe goglome si woɖe ɖe go le kpe gbadzɛa te enye:
Axa si wowɔ ƒe Goglome = 0.55 − 0.15 = 0.40 m
Eya ta:
Beam Formwork ƒe Anyigbamama = 5 × (0.30 + 2 × 0.40) .
Wo katã = 5.50 m2
Kpɔɖeŋu sia tsɔe be axadzinɔnɔme siwo le tsitrenu la keke tso beam soffit la dzi va ɖo slab la ƒe akpa si le ete.
Agbɔsɔsɔ ŋutɔŋutɔ nɔ te ɖe xɔtutu ƒe nɔnɔmetatawo, akpata ƒe ɖoɖo, kple dzidzenu ƒe sewo dzi.
Lianggong tɔ H20 Timber Beam Flex-Slab Formwork zãa gbãtɔ kple evelia H20 atiwo ƒe xɔtunu siwo ŋu plywood-tiwo le kple kpeɖeŋutɔ siwo wotsɔ kpena ɖe wo ŋu hena kpe gbadzɛwo tutu.
Vodada ɖeka si bɔ le beam formwork ƒe akɔntabubu me enye be wotɔtɔa formwork ƒe anyigba ƒe lolome kple kɔnkrit ƒe lolome.
Dzidzenu siawo wɔa dɔ vovovowo.
| Akɔntabubu | Mɔfiame | Unit | Taɖodzinu |
|---|---|---|---|
| Beam formwork ƒe teƒe | L × (b + 2d) ƒe didime. | m2 | Bu akɔnta le anyigba ƒe lolome si wowɔ ŋu |
| Kɔnkrit-ti ƒe lolome | L × b × D. Ƒe 1999 me | m3 | Bu akɔnta le kɔnkrit ƒe lolome ŋu |
| Slab soffit ƒe teƒe | Didime × Kekeme | m2 | Bu akɔnta le slab formwork teƒe ŋu |
| Formwork nu ƒe agbɔsɔsɔme | Wotue ɖe panel ƒe lolome kple ɖoɖo si wowɔ dzi | Kakɛwo alo agbalẽwo | Dzra ŋutilãmenudidiwo ɖo |
Le afisia la, D tsi tre ɖi na kɔkrit-ti ƒe goglome bliboa, gake d tsi tre ɖi na axadzi ƒe goglome si wowɔ.
Le dzogoe ene me xɔ si le vovo si didi meta 5, keke meta 0.30, eye wògoglo meta 0.50 gome la:
Kɔkrit ƒe Agbɔsɔsɔme = 5 × 0.30 × 0.50 = 0.75 m3
Eƒe xɔtunu ƒe lolome nye m2 6.50, abe alesi wobu akɔntae va yi ene.
Nusiwo do tso eme eveawo siaa sɔ, gake woɖɔ agbɔsɔsɔme vovovowo.
Ne wodzidze atikpowo kple kpe gbadzɛwo ɖekae la, ƒo asa na kɔnkrit ƒe lolome alo xɔtunu siwo wotsɔ ƒo xlã wo nɔewo xexlẽ zi eve.
Ne wobu akɔnta le teƒe si wobia be woate ŋu aƒo ka na ame vɔ la, afɔɖeɖe si kplɔe ɖoe nye be woadzra nusiwo woatsɔ awɔ dɔe ƒe akɔntabubu ŋutɔŋutɔ ɖo.
Nutoa me ƒe mɔfiame ɖeɖe mate ŋu agblɔ H20-ti, plywood-gbadzɛ, alo kpeɖeŋutɔ agbɔsɔsɔme si tututu dɔ aɖe hiã na wò o.
Panel ƒe didime: Kpɔ plywood ƒe lolome siwo li kple alesi wosɔ ɖe beam ƒe kekeme kple axadzi ƒe kɔkɔme nu ɖa.
Nudidi siwo hiã le lãɖeɖe ŋu: Wɔ ɖoɖo ɖe panel lãɖeɖe ŋu be nàɖe gbeɖuɖɔ kple ƒunukpeƒe siwo mehiã o dzi akpɔtɔ.
Beam ƒe ɖoɖowɔwɔ: De dzesi ati gbãtɔ kple evelia ƒe nɔƒe siwo hiã.
Kpekpeɖeŋu ƒe nudidiwo: Kpɔ nusiwo woatsɔ akpe ɖe eŋu, ta siwo akpe ɖe eŋu, kple nusiwo woatsɔ ablae si aɖaŋu si dzi woda asi ɖo hiã.
Ðoɖowɔwɔ ɖe eŋu gbugbɔgazã ŋu: De dzesi akpa siwo woate ŋu azã ake dedie le kɔnkrit kɔklɔ dome.
Akpaawo ƒe xexlẽme ŋutɔŋutɔ nɔ te ɖe alesi woɖoe kple nusiwo wotsɔ wɔe ƒe lolome si li dzi.
Le kpɔɖeŋu me, afisi wobu akɔnta le be woate ŋu aƒo ka na ame si ƒe lolome nye m2 6.50 mefia be ne èƒle plywood si ƒe lolome nye m2 6.50 pɛpɛpɛ la, ana nu geɖe nasu ame si o. Panel cuts kple teƒea ƒe nɔnɔme ate ŋu ahe nudidi bubuwo vɛ.
Lianggong hã naa amewo Beams & Slabs Formwork na xɔtudɔ vovovowo.
Beam formwork akɔntabubu naa teƒe si kɔkrit-ka ɖe anyigba dzi le, gake meɖo kpe edzi nenye be ɣeyiɣi kpui aɖe ƒe xɔtunua ate ŋu alé kɔnkrit yeye ɖe te dedie o.
Ele be woawɔ mɔ̃ɖaŋudɔwo ƒe nɔnɔmetatawo me dzodzro ɖe vovo.
Nu vevi siwo gbɔ wòtso dometɔ aɖewoe nye:
Kɔkrit yeye ƒe kpekpeme: Enɔ te ɖe kɔnkrit ƒe lolome ŋutɔŋutɔ kple nusi wotsɔ wɔe ƒe kpekpeme dzi.
Formwork self-weight: Plywood, atiwo, kple akpa bubuwo hã le eme.
Xɔtugbawo: Dɔwɔlawo, dɔwɔnuwo, nuwo, kple kɔkrit ɖoɖo ƒe dɔwɔnawo le eme.
Ati ƒe atikpo ƒe ŋusẽ: Ebia be woaɖo kpe edzi be woate ŋu abɔbɔe ahatsoe.
Deflection: Ele be wòanɔ seɖoƒe si aɖaŋu si dzi woda asi ɖo bia la me.
Kpekpeɖeŋunana ƒe liƒo: Enɔ te ɖe prop ƒe ŋutete, akɔtaɖonu, kadodowo, kple anyigba alo xɔtunu si wotsɔ kpe ɖe eŋu dzi.
Womate ŋu anya H20 atiwo ƒe dometsotso tso atikpoa ƒe kekeme kple goglome ɖeɖeko me o.
Dometsotso nyuitɔ nɔ te ɖe beam wɔla ƒe mɔ̃ɖaŋu ŋuti nyatakaka siwo ŋu woɖo kpee kple agba siwo hamevi ɖesiaɖe tsɔna dzi.
Le susu sia ta la, mele be xɔtulawo nazã dometsotso ɖeka si woɖo ɖi na kpekpeɖeŋunadɔ ɖesiaɖe o.
The ACI Guide to Formwork for Concrete naa mɔfiame le formwork ƒe ɖoɖowɔwɔ, xɔtutu ƒe agbawo, kple ɣeyiɣi kpui aɖe ƒe kpekpeɖeŋunaɖoɖowo ŋu.
Ele be woalé ŋku ɖe kpekpeɖeŋunana ƒe ɖoɖo mamlɛawo ŋu eye dɔwɔla bibiwo nada asi ɖe wo dzi hafi woatu.
Woate ŋu azã ati kple gakpo siaa le kɔkrit tutu me, gake woƒe nɔnɔmewo to vovo.
| Tsɔtsɔ sɔ kple wo nɔewo | Timber beam formwork | Steel formwork |
|---|---|---|
| Nuwo gbɔ kpɔkpɔ | Zi geɖe la, ezãa nusiwo ƒe kpekpeme le bɔbɔe vie | Ðewohĩ abia be woatsɔ dɔwɔnu siwo kpekpe wu atsɔ awɔ dɔe |
| Trɔtrɔ ɖe nɔnɔmewo ŋu | Woate ŋu atrɔ ɖe panel ƒe ɖoɖo vovovowo ŋu | Enɔ te ɖe panel kple system ƒe wɔwɔme dzi |
| Woate ŋu azãe ake | Enɔ te ɖe atiwo kple panel ƒe nɔnɔme dzi | Zi geɖe la, esɔ na dɔwɔwɔ enuenu |
| Ƒuƒoƒo | Woate ŋu aƒo wo nu ƒu tso atikpowo kple xɔtunuwo me | Zi geɖe la, ezãa xɔtunu siwo wowɔ do ŋgɔ |
| Dɔ siwo sɔ | Ðoɖo siwo wowɔ ɖe ɖoɖo nu kple nuwɔwɔ ƒe nudidi siwo te ŋu trɔna bɔbɔe | Ðoɖo siwo wogbugbɔ gblɔna kple ɖoɖowɔwɔ ɖe ɖoɖo nu |
Atiwo ƒe ɖoɖowo ate ŋu awɔ dɔ ne dɔwo bia be woawɔ ɖoɖo ɖe xɔmenuwo ŋu wòatrɔ ɖe nɔnɔmewo ŋu alo woatrɔ asi le wo ŋu enuenu.
Ga ƒe ɖoɖowo ate ŋu aɖe vi ne wogbugbɔ wɔ ɖoɖo ɖeka ma ke si wotsɔ wɔa nuawoe zi geɖe.
Gake ɖoɖo eveawo dometɔ aɖeke menye tiatia nyuitɔ le eɖokui si o.
Ele be tiatia nabu xɔtuɖaŋu ƒe nudidiwo, dɔwɔnu siwo li, nuwo gbugbɔgazã, wo ɖoɖo ƒe mɔnuwo, kple dɔa ƒe nɔnɔmewo ŋu.
Ne èdi tiatia bubuwo la, ke dzro Lianggong tɔ me Atiwo ƒe Formwork kple Steel Formwork ƒe ɖoɖowo.
bɔbɔe gɔ̃ hã Beam formwork ƒe akɔntabubu ate ŋu ahe emetsonu siwo mesɔ o vɛ ne dzidzenuwo alo susuawo mesɔ o.
Vodada siwo bɔ dometɔ aɖewoe nye:
Beam ƒe didime ŋɔŋlɔ be: Ne wotsɔ kekeme kple goglome kpe ɖe eŋu evɔ womedzi eƒe didime ɖe edzi o la, meɖea teƒe aɖeke fiana o.
Beam la tame xexlẽ: Zi geɖe la, etame ʋuna ne wole kɔkrit ɖom eye ɖewohĩ mahiã be woatsɔ ʋuƒo aɖo eŋu o.
Axa ƒe goglome si mesɔ o zazã: Ðewohĩ axa siwo wowɔ le kpe gbadzɛa te koe ahiã be atikpo siwo wotsɔ do ka kple kpe gbadzɛwo.
Aɖabaŋeŋe ƒu atikpowo ƒe tsatsam dzi: Kadodo siwo le gliwo, sɔtiwo, kple xɔtunu bubuwo dome ate ŋu atrɔ teƒe si wodzidze.
Teƒe kple lolome si tɔtɔa ame: Zi geɖe la, wodzidzea xɔtunu si wotsɔ wɔa xɔmenuwoe le dzogoe ene me, gake wodzidzea kɔnkrit le kubik me.
Ne míetsɔe be teƒe si wowɔa dɔ le lae ɖoa dometsotso si woatsɔ ado alɔe: Kpekpeɖeŋunana ƒe ɖoɖo si le dedie hiã agba kple ŋutete ƒe dodokpɔ vovovowo.
Be nàwɔ nu wòade pɛpɛpɛ wu la, zã xɔtuɖaŋu yeyetɔ siwo dzi woda asi ɖo eye nàŋlɔ anyigba ɖesiaɖe si wowɔ la ɖe vovo.
Ne èdi beam kple slab ƒe ɖoɖo sesẽwo la, lé ŋku ɖe formwork ƒe ɖoɖo ŋu hafi nàbia nuwo.
gɔmesese Beam formwork ƒe akɔntabubu kpena ɖe kontraktɔawo ŋu wobua nusiwo hiã, wɔa ɖoɖo ɖe kɔnkrit tutu ŋu, eye woƒoa asa na dzidzedze ƒe vodada siwo bɔ.
Mɔfiame vevitɔ si wozãna na xɔtunu si le dzogoe ene me si ƒe axa eve siwo wowɔ sɔ lae nye A = L × (b + 2d) . Mɔnu bɔbɔe sia bua akɔnta le soffit la kple axadzinu eveawo ƒe lolome ŋu. Gake agbɔsɔsɔ ŋutɔŋutɔ ate ŋu atrɔ ne atikpowo do ƒome kple kpe gbadzɛwo, sɔtiwo, alo xɔtunu bubuwo.
Ele vevie hã be woama agbalẽvi ƒe teƒe ƒe akɔntabubuwo ɖa tso kɔnkrit ƒe lolome kple ɣeyiɣi kpui aɖe ƒe kpeɖeŋutɔ ƒe nɔnɔme gbɔ. Togbɔ be teƒedzidzenuwo kpena ɖe agbɔsɔsɔme ƒe akɔntabubu ŋu hã la, dometsotso si woatsɔ ado alɔe kple agbatsɔtsɔ ƒe ŋutete hiã mɔ̃ɖaŋudɔwɔlawo ƒe dodokpɔ bubuwo.
Tiatia nyuitɔ tiatia ƒe xɔtuɖoɖo ate ŋu ana teƒea ƒe ɖoɖowɔwɔ nanyo ɖe edzi eye wòana atiwo wɔwɔ ƒe ɖoɖoa nawɔ dɔ nyuie wu. Ele be woabu nusiwo woatsɔ awɔ dɔa ƒe didime, alesi woawɔe, alesi wokpɔ mɔ be woagazãe ake, kple nɔnɔme siwo woatsɔ aɖoe ŋu.
Yancheng Lianggong Formwork Co., Ltd. wɔa formwork kple scaffolding egbɔkpɔnuwo na xɔtudɔwo. Eƒe nutovɛwo dometɔ aɖewoe nye H20 atiwo ƒe xɔtunuwo, atiwo ƒe xɔtunuwo, gakpo ƒe xɔtunuwo, kple kpe gbadzɛwo ƒe xɔtunuwo.
Le dɔa koŋ ƒe nuwo tiatia kple mɔ̃ɖaŋununya ƒe kpekpeɖeŋu gome la, kontraktɔawo ate ŋu te ɖe Lianggong ŋu kple woƒe xɔtuɖaŋuwo kple xɔtuɖaŋu ƒe nudidiwo.
Le dzogoe ene me xɔtunu si ƒe axa eve siwo wowɔ sɔ gome la, mɔfiame lae nye A = L × (b + 2d) ..
Ẽ, woate ŋu agazã atikpo siwo nye H20 ne woƒe nɔnɔme, ŋusẽ, kple alesi wosɔ nyuie la ɖo dɔa ƒe nudidiwo gbɔ.
Tia ɖoɖo si wotu ɖe beam ƒe didime, formwork ƒe ɖoɖo, xɔtutu ƒe agbawo, kple ewɔla ƒe mɔ̃ɖaŋu ŋuti nyatakaka siwo ŋu woɖo kpee dzi.