Construction method applied to frozen shaft safe and rapid excavating large and thick expansive clay layer
A technology of expanded clay and construction method, which is used in earth-moving drilling, shaft equipment, well sinking, etc., can solve the problems of complex stress structure and large borehole wall stress, and achieves economical efficiency, improved work efficiency and cost saving. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0015] Such as figure 1 Said, the present invention is a new technology applied to the construction of freezing shafts safely and quickly through the huge thick expanded clay layer, which is carried out according to the following steps: (1) Determine the center and outer edge of the main and auxiliary shafts according to the design drawings, and mark them with white gray. ②According to figure 1 The layout of the main and auxiliary shaft freezing holes in the plan view of the main row of holes, the middle row of holes, the layout of the hole diameter, the number of holes, the opening spacing and other data accurately determine the drilling position, and draw a circle with red paint. Drill holes according to the freezing depth in the main and auxiliary shaft freezing hole layout parameter design table in Table 1. ③Drilling is completed, check each hole to see if it meets the requirements. ④After the drilling inspection meets the requirements, install the freezing pipe (specific...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2023 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap