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本文介绍了日本湿法浇注成型组合式圆形窨井技术。组合式窨井(见图1)的施工自由度非常高,它是由底板(底块)、变向井、直壁井、斜壁井、调整环和盖组成,由于单个制品重量比较轻,小型施工机械就可完成施工。在窨井制品中不可缺少的是检修人员上下用的爬梯,在日本,窨井的爬梯做法有先加法(见图2和图3)和后加法(见图4)两种。先加法是将爬梯零件放置在模具中,直
This article describes the Japanese wet casting combined circular well technology. The modular construction (see Figure 1) has a very high degree of freedom in construction. It consists of a bottom plate (bottom block), a redirecting well, a straight wall, a sloping wall, an adjusting ring and a cover. Due to the light weight of a single product, Mechanical construction can be completed. In Sakai products indispensable is the maintenance staff up and down the ladder, in Japan, Sakura ladder approach is the first addition (see Figure 2 and Figure 3) and after the addition (see Figure 4) two. The first addition is to place the ladder parts in the mold, straight