Detailed Design and Construction of Prefabricated Buildings 裝配式建筑深化設(shè)計(jì)與施工 -Curing and Demoulding of Members 構(gòu)件養(yǎng)護(hù)及脫模69課件講解

DetailedDesignandConstructionofPrefabricatedBuildings

裝配式建筑深化設(shè)計(jì)與施工CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模YangChunhui

楊春輝Lecturer

主講教師Sincewehavelearnedthepouringofprefabricatedmembers,howcanwecureandstripthemembers?

我們學(xué)習(xí)了預(yù)制構(gòu)件的澆筑工作，那么構(gòu)件是如何養(yǎng)護(hù)和脫模呢？Lead-in

課前導(dǎo)入SteamCuringofAFixedDieSet

固定模臺(tái)蒸汽養(yǎng)護(hù)MembersDemoulding

構(gòu)件脫模CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模OperationProcedures

操作流程SteamCuringofAFixedDieSet

固定模臺(tái)蒸汽養(yǎng)護(hù)SpecificOperationsofSteamCuringofAFixedDieSet

固定模臺(tái)蒸汽養(yǎng)護(hù)的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模(I)Thecuringcovershallhavegoodthermalinsulationeffectandshallbefreeofdamageandairleakage.

（一）養(yǎng)護(hù)罩應(yīng)具有較好的保溫效果且不得有破損、漏氣等。CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模SpecificOperationsofSteamCuringofAFixedDieSet

固定模臺(tái)蒸汽養(yǎng)護(hù)的具體操作(II)Atemperaturedetectionprobeshallbesetatthecenterofthecovertop.

（二）在罩頂中央處設(shè)置好溫度檢測(cè)探頭。Standstillatnormaltemperature2h~6h

常溫靜停2h~6hCuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模SpecificOperationsofSteamCuringofAFixedDieSet

固定模臺(tái)蒸汽養(yǎng)護(hù)的具體操作(III)Setsteamcuringparametersonthetemperaturecontrolhost,includingpre-curingtime,temperatureriserate,maximumtemperature,constanttemperaturetime,coolingrate,etc.

（三）在溫控主機(jī)上設(shè)置好蒸汽養(yǎng)護(hù)參數(shù)，包括預(yù)養(yǎng)護(hù)時(shí)間、升溫速率、最高溫度、恒溫時(shí)間、降溫速率等。Standstillatnormaltemperature2h~6h

常溫靜停2h~6hCuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模SpecificOperationsofSteamCuringofAFixedDieSet

固定模臺(tái)蒸汽養(yǎng)護(hù)的具體操作(IV)Specialpersonnelshallbeassignedtooperateandmonitorthewholeprocessofsteamcuringtocheckthecuringeffect.

（四）蒸汽養(yǎng)護(hù)的全過(guò)程，應(yīng)設(shè)專(zhuān)人操作和監(jiān)控，檢查養(yǎng)護(hù)效果。Standstillatnormaltemperature2h~6h

常溫靜停2h~6hMaximumtemperature≤70°

最高≤70°CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模SpecificOperationsofSteamCuringofAFixedDieSet

固定模臺(tái)蒸汽養(yǎng)護(hù)的具體操作(V)Whenthedifferencebetweenthetemperatureinthecuringcoverandtheambienttemperatureislessthanthepresettemperature,thesystemwillautomaticallyendthesteamcuringprocess.

（五）當(dāng)養(yǎng)護(hù)罩內(nèi)的溫度與環(huán)境溫度差值小于預(yù)設(shè)溫度時(shí)，系統(tǒng)將自動(dòng)結(jié)束蒸汽養(yǎng)護(hù)程序。MembersDemoulding

構(gòu)件脫模SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模(I)Beforeformworkremoval,thecompressivestrengthtestofconcretetestblocksunderthesameconditionsshallbecarriedout.Thecompressivestrengthofthetestblocksshallmeetthedesignrequirementsandshouldnotbelessthan15MPa,andtheprefabricatedmemberscanbedemoulded.

（一）拆模前，應(yīng)做混凝土試塊同條件抗壓強(qiáng)度試驗(yàn)，試塊抗壓強(qiáng)度應(yīng)滿足設(shè)計(jì)要求且不宜小于15MPa，預(yù)制構(gòu)件方可脫模。SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模(II)Removethefixingboltsoftheembeddedpartsinstalledonthemold.

（二）拆除安裝在模具上的預(yù)埋件的固定螺栓。SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模(III)Removethefixingboltsofsideformwork,bottomformworkandinnerformwork.

（三）拆除邊模、底模、內(nèi)模等的固定螺栓。SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模(IV)Removetheinnerformworkandsideformwork.

（四）拆除內(nèi)模、邊模。SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模(V)Installthespecialliftingapplianceonthedemouldingembeddedpartsofprefabricatedmembersandtightenthebolts.

（五）將專(zhuān)用吊具安裝到預(yù)制構(gòu)件脫模埋件上，擰緊螺栓。SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模(VI)Theprefabricatedmembersshallnotbedamaged,theformworkshallnotberemovedbyvibration,andthemembersshallbeliftedtothewashingareaforwashing.

（六）不應(yīng)損傷預(yù)制構(gòu)件，不得使用震動(dòng)方式拆模，并將構(gòu)件吊運(yùn)至沖洗區(qū)沖洗。SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模Afterdemoulding,thelocaldamagesthatdonotaffectthestructuralperformanceandthenon-stressedcracksonthesurfaceshallberepairedwithrepairslurry.

脫模后對(duì)不影響結(jié)構(gòu)性能的局部破損，和表面非受力裂縫，用修補(bǔ)漿料進(jìn)行表面修補(bǔ)。SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模First,thebasecourseshallbetreated,moistenedbycleanwater,andrepairedwithrepairagent.Afterthat,theconcreteshallbecoloredandthequalityshallbeaccepted.

首先進(jìn)行基層處理，使用清水濕潤(rùn)，修補(bǔ)劑修補(bǔ)，進(jìn)行混凝土調(diào)色處理并進(jìn)行質(zhì)量驗(yàn)收。SpecificOperationofMembersDemoulding

構(gòu)件脫模的具體操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模First,thebasecourseshallbetreated,moistenedbycleanwater,andrepairedwithrepairagent.Afterthat,theconcreteshallbecoloredandthequalityshallbeaccepted.

首先進(jìn)行基層處理，使用清水濕潤(rùn)，修補(bǔ)劑修補(bǔ)，進(jìn)行混凝土調(diào)色處理并進(jìn)行質(zhì)量驗(yàn)收。Summary

課后小結(jié)I.SteamCuring

一、蒸汽養(yǎng)護(hù)II.OperationsofMemberDemoulding

二、構(gòu)件脫模操作CuringandDemouldingofMembers

構(gòu)件養(yǎng)護(hù)及脫模Summary

課后小結(jié)

Membercuringanddemouldingisanimportantstepinthefabricationofprefabricatedmembers,andcultivatingworkers'carefulatt