4　桥梁托换技术

• 4.1　一般规定

• 4.2　桥梁托换设计

• 4.3　梁桥托换施工

• 4.4　拱桥托换

• 4.5　质量控制

5　城市隧道穿越托换技术

• 5.1　一般规定

• 5.2　托换工程前的准备工作

• 5.3　穿越区建筑物托换

• 5.4　影响区建筑物托换

• 5.5　质量控制

6　建筑物托换技术

• 6.1　一般规定

• 6.2　建筑物结构改造托换

• 6.3　灾损建筑物托换

• 6.4　质量控制

7　托换工程监测

• 7.1　一般规定

• 7.2　桥梁托换工程监测

• 7.3　城市隧道穿越托换工程监测

• 7.4　建筑物托换工程监测

• 7.5　托换工程裂缝动态监测

附录A　托换工程中千斤顶的选用

• A.1　千斤顶的选用要点

• A.2　常用千斤顶的主要参数

4　Underpinning technology for bridge

• 4.1　General requirement

• 4.2　Design of bridge underpinning

• 4.3　Construction of bridge underpinning

• 4.4　Arch bridge underpinning

• 4.5　Quality control

5　Underpinning technology for urban tunnel traversing

• 5.1　General requirement

• 5.2　The works before underpinning engineering

• 5.3　Underpinning of buildings at underground traversing area

• 5.4　Underpinning of buildings at impact area

• 5.5　Quality control

6　Underpinning technology for buildings

• 6.1　General requirement

• 6.2　Underpinning of building structure renovation

• 6.3　Underpinning of damaged buildings

• 6.4　Quality control

7　Dynamic monitoring of underpinning process

• 7.1　General requirement

• 7.2　Dynamic monitoring of bridge underpinning

• 7.3　Dynamic monitoring of urban tunnel underpinning

• 7.4　Dynamic monitoring of building underpinning

• 7.5　Dynamic monitoring of crack in underpinning process

Appendix A Selection of Jack of underpinning engineering