一种跨越大型溶洞的隧洞架空结构及施工方法
By setting up foundation structures and prestressed anchors on the rock walls on both sides of the karst cave, and using prefabricated spanning components and cast-in-place concrete integral layers to form an integrated foundation platform, the construction difficulties of large karst cave tunnel foundations were solved, and safe, economical and rapid tunnel construction was achieved.
CN122407236APending Publication Date: 2026-07-17SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD
- Filing Date
- 2026-06-08
- Publication Date
- 2026-07-17
Smart Images
Figure CN122407236A_ABST
Abstract
本发明涉及隧道与地下工程技术领域，公开了一种跨越大型溶洞的隧洞架空结构及施工方法，隧洞架空结构包括一对承台结构、预应力锚固件、预制跨越构件及现浇混凝土整体化层。本发明将隧洞荷载经承台结构和预应力锚固件直接传递至侧壁岩体，避免了对底部松软溶洞充填物的依赖及洞内支架搭设，降低了充填物流失导致的沉降风险；同时避免了传统拱结构因产生水平推力而对溶洞侧壁岩体造成的苛刻要求与潜在失稳风险，具有受力明确、对岩体扰动小、施工快且安全的特点；现浇整体化层将各构件连为整体，保证了后续隧洞的结构安全与长期稳定性。
Need to check novelty before this filing date? Find Prior Art