Lock structure, how to build the lock structure, and how to remove the lock structure

摘要

PROBLEM TO BE SOLVED: To provide a lock which is easy to construct and remove and has high joint strength and airtightness. SOLUTION: This is a Manlock 6 of a pneumatic caisson 1. The man lock 6 is a man lock 6 installed on the work room slab 3, and connects a plurality of blocks 60 to 66 made of precast concrete and a plurality of blocks 60 to 66 in a horizontally removable manner. A plurality of horizontal connecting mechanisms 80 and a plurality of vertical connecting mechanisms 70 for vertically detachably connecting the plurality of blocks 60 to 66 are provided. [Selection diagram] Fig. 5