Lo lus nug yog "yuav ua li cas sau lub hauv paus?" Nws yog ib qho tseem ceeb heev, txij li thaum nyob rau hauv tus txheej txheem ntawm erecting ib lub tsev tsis muaj lub sij hawm uas yuav hu ua insignificant, vim hais tias lawv txhua tus nyob ntawm seb qhov zoo ntawm lub hauv paus ntawm cov khoom thiab nws txoj hmoo tom ntej yuav zoo li cas. Sau cov formwork nrog pob zeb sib tov yog ib qho ntawm cov theem tseem ceeb ntawm kev tsim kho. Koj tuaj yeem mus rau theem no yog tias tag nrho cov haujlwm hauv av ua tiav, thiab cov formwork thiab waterproofing raug ntsia, ntxiv rau, cov thav duab reinforced yuav tsum tau npaj.
Yog peb tham txog yuav ua li cas sau lub hauv paus kom zoo, ces muaj ntau txoj hauv kev los xav txog. Kev xaiv ntawm ib qho tshwj xeeb yog txiav txim los ntawm qhov sib txawv ntawm tus nqi ntawm cov nyiaj thiab lub sijhawm. Kev lag luam tshaj plaws, tab sis tib lub sij hawm siv, yog pouring lub hauv paus ntawm koj tus kheej, thaum kev npaj ntawm pob zeb yog nqa tawm ncaj qha rau ntawm qhov chaw siv lub compact pob zeb tov khoom. Xws liCov khoom siv tuaj yeem yog qhov sib txawv, los ntawm 50 litres lossis ntau dua. Tus naj npawb ntawm cov voj voog yuav nyob ntawm qhov ua tau zoo ntawm cov khoom siv no. Hais txog yuav ua li cas ncuav lub hauv paus kom zoo, nws tsim nyog hais tias nws yuav nyuaj heev los ua tag nrho cov haujlwm no nrog ib khub ntawm tes, tshwj xeeb tshaj yog thaum nws los txog rau qhov loj ntawm cov qauv yav tom ntej. Feem ntau, lub pob zeb sib tov yog nyob rau hauv thaj tsam tam sim ntawm qhov chaw nchuav. Nws yog ntshaw tias tsis muaj ntau tshaj li ob txheej nyob rau hauv lub hauv paus, yog hais tias qhov no yog tsis tau, ces nws yuav zoo dua los sau nws nyob rau hauv qhov siab ntawm lub formwork. Txhua txheej ntawm pob zeb yuav tsum tau compacted kom nws tsis tsim kab noj hniav. Rau cov txheej txheem no, koj tuaj yeem siv txhais tau tias improvised, lossis xauj lub vibrator sib sib zog nqus uas tuaj yeem txo cov haujlwm ntau.
Hais txog yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws yuav tsum tau muab sau tseg tias tom qab tso cov txheej txheem kawg, nws yog ib qho tsim nyog yuav tsum npog tag nrho cov qauv nrog cov txheej txheem tiv thaiv ntawm cov khoom siv vov tsev lossis zaj duab xis.
Cia peb xav txog lwm txoj kev. Koj tuaj yeem hu rau lub tsheb sib xyaw ua ke. Qhov kev xaiv no yog kim tshaj li kev sau tus kheej, tab sis nyob rau hauv ib txoj kev nws tso cai rau koj mus sau lub hauv paus rau tag nrho lub tsev, thaum lub sij hawm zoo ntawm kev ua hauj lwm yuav siab npaum li sai tau. Ib lub tsheb sib tov muaj peev xwm xa tau 4-8 lub voos xwmfab, thiab yog tias tsim nyog, koj tuaj yeem xaj ntau lub tshuab, txhua yam nyob ntawm qhov xav tau ntawm pob zeb. Cov txheej txheem npaj nyob rau hauv cov ntaub ntawv no los mus ua tshwj xeeb gutters. Lawv cia koj ncuav qhov sib tov rau hauvqhov chaw formwork uas secluded tshaj plaws.
Hais txog yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhuam nws yuav tsum tau muab tshem tawm. Qhov no yog tib txoj hauv kev kom tau txais ib qho kev faib tawm ntawm qhov sib tov raws li qhov xav tau ntim. Yog tias koj nchuav rau ntawm ib qho, ces nws yuav siv zog ntau los faib nws thoob plaws hauv lub formwork.
Koj tuaj yeem siv lub twj tso kua mis. Qhov kev xaiv no muaj feem cuam tshuam tsuas yog tias nws tsis tuaj yeem tsav mus rau qhov chaw tsim kho, thiab kev siv lub kwj deg, qhov ntev yuav yog ob peb kaum meters, tsis cuam tshuam. Hauv qhov no, koj yuav tsum tau npaj rau cov nqi nyiaj txiag tseem ceeb.
Tam sim no koj muaj lub tswv yim yuav ua li cas txhawm rau txhim kho lub hauv paus zoo.
