[Retracted] Research on Modular Management of Railway Bridge Technology Innovation in Complex and Difficult Mountainous Areas

Table 4

The coding process of RB-TI in CMDAs.

No.	Intermediate coding	Initial coding
1	Demands of survey and design TI	Wind-resistant design
2	Demands of survey and design TI	Seismic design
3	Demands of survey and design TI	Environmental design
4	Demands of survey and design TI	Anti-fatigue design
5	Demands of construction TI	Main cable erection
6	Demands of construction TI	Strong wind construction
7	Demands of construction TI	Optimization of materials and equipment
8	Demands of construction TI	Deep water construction
9	Demands of construction TI	Eco-friendly construction
10	Demands of construction TI	Anchor construction
11	Demands of construction TI	Monitoring and measuring
12	Demands of maintenance TI	Corrosion protection
13	Demands of maintenance TI	Integration of construction and maintenance
14	Demands of maintenance TI	Emergency plans
15	External environmental obstacles	Frequent geological hazards
16	External environmental obstacles	Narrow construction site
17	External environmental obstacles	Harsh climatic conditions
18	External environmental obstacles	Lack of social and peripheral acceptance
19	External environmental obstacles	Inadequate price realization mechanism for TI output
20	Technology management obstacles	Excessive TI targets
21	Technology management obstacles	Insufficient stock of information related to TI
22	Technology management obstacles	Disconnect between TI and project reality
23	Resource use obstacles	Difficulty in transporting materials
24	Resource use obstacles	Shortage of management, technology and talent
25	Resource use obstacles	Low level of resource input
26	Resource use obstacles	Inadequate use of knowledge resources
27	Organization management obstacles	Temporary and dispersed TI organizations
28	Organization management obstacles	Large project size
29	Organization management obstacles	High level of risk management