砼施工工藝

1、1目錄一、工藝概述............................................................................................1二、作業(yè)內(nèi)容............................................................................................1三、質(zhì)量標(biāo)準(zhǔn)與檢驗(yàn)方法........

2、................................................................2（一）質(zhì)量標(biāo)準(zhǔn)............................................................................2（二）檢驗(yàn)方法................................................................

3、............2四、施工機(jī)械及工藝裝備........................................................................2五、施工準(zhǔn)備............................................................................................3六、工藝控制流程................

4、....................................................................3七、工藝步序說明....................................................................................5（一）混凝土拌制..................................................

5、......................5（二）混凝土運(yùn)輸........................................................................6（三）混凝土灌筑........................................................................6（四）混凝土振搗...........................

6、.............................................7（五）灌筑過程中混凝土質(zhì)量控制............................................8（六）混凝土接縫處理................................................................8（七）混凝土的表面處理............................

7、................................9（八）混凝土養(yǎng)護(hù)及溫度監(jiān)控....................................................9（九）成品混凝土的保護(hù)..........................................................10八、作業(yè)組織............................................

8、..............................................11九、施工安全與環(huán)境保護(hù)......................................................................1132、吊裝設(shè)備一般選用井架運(yùn)輸機(jī)、吊車或塔式起重機(jī)等。3、灌注振搗設(shè)備一般選用插入式振動(dòng)器、當(dāng)表面積較大時(shí)可選用平板式振動(dòng)器作為輔助設(shè)備。4、專用設(shè)備導(dǎo)管、漏斗、儲(chǔ)料斗、發(fā)電機(jī)、

9、流動(dòng)電箱、空壓機(jī)、制冷機(jī)、電子測溫儀和測溫元件或溫度計(jì)和測量預(yù)埋管。5、工具手推車、串筒、溜槽、吊斗、膠管、鐵鍬、鋼釬、刮杠、抹子等。五、施工準(zhǔn)備五、施工準(zhǔn)備（一）混凝土灌注前的檢驗(yàn)準(zhǔn)備在灌注水下砼時(shí)，孔底、泥漿指標(biāo)一定要嚴(yán)格控制，符合設(shè)計(jì)及規(guī)范要求。在地基或基土上灌注砼時(shí)，應(yīng)清除淤泥和雜物，并應(yīng)有排水設(shè)施。對(duì)于干燥的非粘性土，應(yīng)用水濕潤。對(duì)未分化的巖石應(yīng)用水清洗，但表面不得有水。灌注墊層砼，先打好水平標(biāo)高樁，用平板振動(dòng)器振搗密實(shí)，并刮