| 摘要 |
PURPOSE: A manhole with a fixing pin for supporting a block is provided to reduce damage to the manhole by absorbing and dispersing external impact applied to the manhole. CONSTITUTION: A manhole with a fixing pin for supporting a block is composed of a support(10) and a manhole cover(20). The support has a passage(21), a first cover(14), and an external wall(16). A first space part(19) is formed between the first cover and the external wall and accepts a block. T-shaped support pins(12,22) are formed in the inner sides of the support and the manhole cover. The manhole cover has a second cover(24) and a second space part(29). The second cover is inserted into the external wall of the support. The first and second space parts are filled with cement mortar. |
