论文部分内容阅读
1 串浆、冒浆及管路漏浆的特殊处理在施工中串浆、冒浆、管路漏浆的危害有:①易造成焊管、铸管;②影响灌浆质量;③浪费浆材;④使施工工序复杂化。因此,应及时有效处理串浆、冒浆及管路漏浆(串浆、冒浆的一般常规处理方法,这里不再赘述)。预浇混凝土盖板,一定要确保质量,并依据岩石强度及盖重确定盖板预浇厚度。在位于库区水位以下隧洞中施工,一旦盖板在瞬间超压下撕裂,将造成不断的涌、冒浆,使灌浆程序复杂化,甚至灌浆无法达到结束标准,所以要控制好灌浆压力。稳定灌浆压力就涉及到稳压装置及灌浆泵的运行状况的稳定性。
A series of pulp, pulp and pipeline leakage of special handling In the construction of string pulp, pulp, pipe leakage hazards are: ① easily lead pipe, cast pipe; ② affect the quality of grouting; ③ waste slurry; ④ The construction process is complicated. Therefore, should be timely and effective treatment of string pulp, riser and pipeline leakage (string pulp, slurrying the general treatment of conventional methods, not repeat them here.) Pre-cast concrete cover, we must ensure that the quality, and based on rock strength and cover weight to determine the thickness of the precast roof. In the tunnel below the water level in the reservoir area construction, once the cover in the moment of over-pressure tear, will result in constant Chung, Maozhi, the grouting process is complicated, and even grouting can not reach the end of the standard, so to control the grouting pressure. Stabilizing the grouting pressure involves the stability of the operating conditions of the regulator and grouting pump.