既有建筑改造加固及其节能技术研究

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摘要

本文研究了既有建筑的改造加固设计以及历史保护建筑的检测与加固节能技

术。首先，对某框架结构办公楼进行了改造加固设计；其次，对历史保护建筑砖

材料抗压强度进行了无损检测试验研究，并用数理统计学方法分析评价了砖材料

抗压强度的回归预测模型；最后，讨论了喷射聚合物保温砂浆加固与节能组合技

术，并进行了相关模拟试验研究。

既有建筑改造加固部分，选取上海市某一框架结构办公楼的加固改造工程为

案例，依据相关设计规范，确定了该工程的改造加固和扩建方案，研究分析表明

该结构在改建后整体性和可靠性良好，从而说明了该工程中所采用的加固方法具

有很好的可行性，可作为相关工程参考。

在历史保护建筑的检测评定中，探讨了历史保护建筑砖材料强度的无损检测

方法。分别采用回弹法、超声法及超声回弹综合法对历史保护建筑人工砖材料进

行了抗压强度检测试验，研究表明了使用回弹法检测历史保护建筑砖材的抗压强

度能达到很好的效果，并可借助超声回弹综合法对该类砖材强度进行校核。

在历史保护建筑加固与节能组合技术研究中，简述了新型建筑节能材料聚合

物保温砂浆的性能，探讨了喷射聚合物保温砂浆加固与节能组合技术的保温机理

和加固机理，从理论上论证了该组合技术具有可行性。现场实物模拟试验证实了

喷射聚合物保温砂浆加固与节能组合技术的施工工艺具有可操作性，而墙体传热

检测试验则表明了该组合技术能使墙体达到很好的保温隔热性能，因此，这种组

合技术可有效地应用于历史保护建筑加固节能工程中。

关键词：既有建筑建筑节能加固与节能组合技术历史保护建筑

超声回弹综合法

ABSTRACT

Transformation and reinforcement design of existing buildings and detection and

reinforcement-energy saving technology for historical protective buildings are studied.

Firstly, a frame structure office building was designed for reformation and

reinforcement. Secondly, nondestructive testing was experimental researched for brick

materials compressive strength of historical protective buildings and predictive

regression model of brick compressive strength was evaluated with mathematical

statistics analysis. Finally, reinforcement and energy-saving combination technique with

spraying polymer modified insulation was studied, and some related simulation

experiments were researched.

In section of reinforcement and transformation for existing buildings, a frame

structure office building in Shanghai was selected as a case, reinforcement and

expansion scheme was determined according to relevant design standard, research

analysis shows that the structure rebuilt were of superior integrity and reliability, which

illustrates the reinforcement ways used in the project were quite feasible and can be a

reference with related projects.

In section of detection evaluation research for historical buildings, nondestructive

detection methods were discussed for brick material compressive strength of historical

protective buildings. Rebound method, ultrasonic method and ultrasonic-rebound

combination method were respectively employed to detection test of brick material

strength, experimental result shows that rebound method used to detection of brick

compressive strength of historical protective building could achieve superior effect, and

ultrasonic rebound combination method could use to check brick strength.

In section of research on reinforcement and energy-saving technique for historical

protective buildings, property of new building energy-saving material named polymer

modified insulation mortar was described, and insulation mechanism and strengthening

mechanism of spraying polymer modified insulation mortar were discussed, and

demonstrates that the combination technique is feasible theoretically. On-site simulation

experiment proofs that construction technique of spraying polymer modified insulation

mortar combination method was of operability. Heat transfer test of the wall shows that

the combination technique could obtain superior effect for insulation of the wall.

Therefore, the combination technique can be effectively applied to reinforcement and

energy-saving project for historical protective buildings.

Key Words: Existing building, Building energy saving, Reinforcement

and energy saving combination technology, Historical

protection buildings, Ultrasonic resilience method

中文摘要

ABSTRACT

第一章绪论 ...................................................................................................................1

§1.1 课题的研究背景 ................................................................................................... 1

§1.2 既有建筑结构加固改造研究现状 ...................................................................... 3

§1.3 墙体加固与节能研究现状 ................................................................................... 5

§1.4 研究内容与课题来源 .......................................................................................... 6

§1.4.1 研究内容 ........................................................................................................6

§1.4.2 课题来源 ........................................................................................................6

第二章某框架结构的改造加固设计实例分析 .............................................................8

§2.1 工程概况 ............................................................................................................... 8

§2.2 加固设计思路 ..................................................................................................... 11

§2.3 原结构分析 ......................................................................................................... 12

§2.3.1 参数取值 ......................................................................................................12

§2.3.2 结构计算分析 ..............................................................................................12

§2.4 改建后的结构分析 ............................................................................................. 13

§2.4.1 参数取值 ......................................................................................................13

§2.4.2 建模计算简化 ..............................................................................................14

§2.4.3 结构计算分析 ..............................................................................................14

§2.4.4 结论 ..............................................................................................................16

§2.5 加固设计 ............................................................................................................ 17

§2.5.1 柱的加固设计 ..............................................................................................17

§2.5.2 梁的加固设计 ..............................................................................................19

§2.5.3 预制板的加固设计 ......................................................................................22

§2.5.4 基础加固 ......................................................................................................22

§2.6 改造加固后结构的验算 .................................................................................... 23

§2.6.1 参数输入 ......................................................................................................23

§2.6.2 计算分析 ......................................................................................................24

§2.7 结论 .................................................................................................................... 24

第三章历史保护建筑砖材抗压强度无损检测研究 ...................................................25

§3.1 引言 .................................................................................................................... 25

§3.2 无损检测方法简介 ............................................................................................ 26

§3.2.1 回弹法 ..........................................................................................................26

§3.2.2 超声法 ..........................................................................................................26

§3.2.3 超声回弹综合法 ..........................................................................................26

§3.3 砖材强度检测试验 ............................................................................................ 26

§3.4 试验数据处理 .................................................................................................... 29

§3.4.1 回弹法数据处理 ..........................................................................................29

§3.4.2 超声法数据处理 ..........................................................................................29

§3.4.3 超声回弹综合法数据处理 ..........................................................................30

§3.4.4 回归预测模型的比较 ..................................................................................31

§3.5 实测砖强度校核 ................................................................................................ 33

§3.6 结论 .................................................................................................................... 35

第四章喷射聚合物保温砂浆加固与节能组合技术 ...................................................36

§4.1 引言 .................................................................................................................... 36

§4.2 原材料 ................................................................................................................ 36

§4.2.1 聚合物砂浆 ..................................................................................................36

§4.2.2 聚合物保温砂浆 ..........................................................................................37

§4.2.3 聚合物保温砂浆的性能测试 ......................................................................38

§4.2.4 聚合物保温砂浆配比的选择及性能总结 ..................................................41

§4.2.5 钢丝网 ..........................................................................................................41

§4.3 施工技术 ............................................................................................................ 42

§4.3.1 施工机械与准备 ...........................................................................................42

§4.3.2 施工工艺 ......................................................................................................43

§4.3.3 界面砂浆的配制与施工 ..............................................................................44

§4.3.4 保温砂浆的配制与施工 ..............................................................................44

§4.3.5 保温砂浆找平层 ..........................................................................................44

§4.3.6 注意事项 ......................................................................................................44

§4.4 加固与保温机理分析 ........................................................................................ 45

§4.4.1 加固机理分析 ..............................................................................................45

§4.4.2 保温机理分析 ..............................................................................................46

§4.4.3 防热桥与防裂 ..............................................................................................46

§4.5 工程模拟试验 .................................................................................................... 47

§4.6 墙体导热系数的测量 ........................................................................................ 48

§4.7 结论 .................................................................................................................... 50

第五章结论与展望 .......................................................................................................51

§5.1 本文的主要结论 ................................................................................................ 51

§5.2 展望 ..................................................................................................................... 52

参考文献 .........................................................................................................................53

在读期间公开发表的论文和承担科研项目及取得成果 .............................................56

致谢 .............................................................................................................................57

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摘要：

摘要本文研究了既有建筑的改造加固设计以及历史保护建筑的检测与加固节能技术。首先，对某框架结构办公楼进行了改造加固设计；其次，对历史保护建筑砖材料抗压强度进行了无损检测试验研究，并用数理统计学方法分析评价了砖材料抗压强度的回归预测模型；最后，讨论了喷射聚合物保温砂浆加固与节能组合技术，并进行了相关模拟试验研究。既有建筑改造加固部分，选取上海市某一框架结构办公楼的加固改造工程为案例，依据相关设计规范，确定了该工程的改造加固和扩建方案，研究分析表明该结构在改建后整体性和可靠性良好，从而说明了该工程中所采用的加固方法具有很好的可行性，可作为相关工程参考。在历史保护建筑的检测评定中，探讨了历史保护建筑砖...

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