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时间:2018-12-09
《般砖砌体砌筑工程技术交底记录汇集》》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、一般砖砌体砌筑工程一、施工准备(一)作业条件1.完成室外及放心土回填,安装好沟盖板,或完成楼板结构施工。2.办完地基、基础工程隐蔽验收手续。3.按标高抹好水泥砂浆防潮层。4.弹好轴线、墙身线及检查线,根据进场砖的实际规格尺寸,弹出门洞口位置线,经验线符合设计要求,办完验收手续。5.按设计标高要求立好皮数杆,皮数杆的间距15m—20m,或每道墙的两端。6.有砂浆配合比通知单,准备好砂浆试模(6块为一组)。(二)材料要求1.砖:品种、规格、强度等级必须符合设计要求,并有产品合格证书,产品性能检测报告。承重结构必须作取样复试。要求砖必须有一个条面和
2、丁面边角整齐。2.水泥:品种及强度等级应根据砌体的部位及所处的环境条件选择。水泥必须有产品合格证、出厂检测报告和进场复验报告。3.砂:用中砂,使用前用5mm孔径的筛子过筛。4.掺和料:白灰熟化时间不少于7天,或采用粉煤灰等。5.其他材料:墙体拉结筋、预埋件、已做防腐处理的木砖等。(三)施工机具应备有大铲、刨锛、拖线板、线坠、小白线、卷尺、水平尺、皮数杆、小水桶、灰槽、砖夹子、扫帚等。二、质量要求(一)砌体工程质量要求符合《砖砌体施工质量验收规范》(GB—2002)的规定。项序检查项目允许偏差或允许值主控项目1砖强度等级按设计要求MU2砂浆强度
3、等级按设计要求M3水平灰缝砂浆饱满度不小于80%4斜槎留置第5.2.3条5直槎拉结钢筋及接茬处理第5.2.4条6轴线位移不大于10mm7垂直带(每层)不大于5mm项序检查项目允许偏差或允许值一般项目1组砌方法第5.3.1条2水平灰缝厚度8—12mm3基础顶面、楼面标高±15mm4表面平整度清水:5mm混水:8mm5门窗洞口高、宽±5mm6外墙上下窗口偏移20mm7水平灰缝平面度清水:7mm混水:10mm8清水墙游丁走缝20mmOpinionsandsuggestionsontheparty'smasslineeducationalpracti
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