混凝土外观质量修补方案.pdf

2号地块混凝土外观质量修补方案

目录

第一章工程概况及修补概述........................................1

1.1工程概述.....................................................1

1。2建设概况....................................................1

1.3结构概况.....................................................2

1。4修补概述....................................................3

第二章编制依据..................................................3

第三章修补施工准备..............................................3

3。1组织机构....................................................3

3.2施工程序.....................................................4

3.3缺陷检查方法.................................................4

3。3.1质量缺陷的评定标准.......................................4

3。4修补前准备工作...............................................7

3。4.1提高修补施工人员素质和技能...............................7

3。4。2物质需求................................................7

第四章主要修补方案..............................................7

4.1麻面修补.....................................................7

4.2冷缝.........................................................9

4.3烂根........................................................10

4。4混凝土表面裂缝..............................................10

2号地块混凝土外观质量修补方案

4。5混凝土表面破损修补..........................................11

4。6表面起皮和沙石外露的缺陷处理................................11

4。7蜂窝.......................................................12

4.8错台、跑模..................................................13

4。9露筋.......................................................14

4.10外形尺寸偏差...............................................15

4.11气孔.......................................................15

第五章混凝土缺陷的预防措施.....................................17

5。1通过控制钢筋施工质量预防....................................17

5。2通过控制模板制作安装质量预防................................17

5.3通过控制混凝土工艺质量预防...................................17

5.3。1混凝土配合比............................................18

5。3.2混凝土浇筑与振捣........................................18

5.3。3养护...........................................