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煤炭科学研究院建井技术测试中心,场地位于一个山脚之下,土层厚约0~15米,是粘土和亚粘土。在场内和场地周围无滑坡、土洞和泥石流现象,基岩表面坡度约20~30度。所以,建筑物的地基是不均匀的,因而在大体均匀压力作用下,将会发生不均匀的建筑物沉陷,需要作相应处理。我们以定向钻进、爆破两个试验室为例进行处理,这两个试验室都已建成投入使用,已经受了一年考验,没有发现地基的不均匀下沉,现将处理情况介绍于后。
The Institute of Coal Science and Construction Technology Testing Center, located at the foot of a mountain, is about 0 to 15 meters thick and is clay and sub-clay. There are no landslides, soil caves, and mudslides around the site or site. The slope of the bedrock surface is about 20-30 degrees. Therefore, the foundation of the building is not uniform, so under the effect of a generally uniform pressure, uneven building subsidence will occur and need to be dealt with accordingly. We took directional drilling and blasting as examples. These two laboratories have been put into use and have been tested for a year. We have not found uneven sinking of the foundation. We will introduce the treatment situation afterwards. .