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基坑围护体系的主要作用是挡土和止水,基坑开挖要具备以下的必要条件:首先保持基坑干燥状态,创造有利于施工的环境;其次是确保边坡稳定,做到安全施工,如果忽视这些必要条件,其后果是严重的。近年来,随着基坑工程的迅速发展,人们对基坑工程的安全更加重视,而对于地下水赋存、渗透性较强的土质条件下对地下水的处理往往成为基坑围护成败的关键,在基坑施工中应对地下水的处理给予应有的重视。
The main function of the foundation pit enclosure system is to retain soil and stop water. The excavation of foundation pit shall meet the following requirements: firstly, keep the foundation pit dry and create an environment conducive to construction; secondly, to ensure the slope stability and safety Construction, if you ignore these necessary conditions, the consequences are serious. In recent years, with the rapid development of foundation pit engineering, people pay more attention to the safety of foundation pit engineering. However, the treatment of groundwater under the soil conditions with strong penetration and penetration of groundwater often becomes the key to the success or failure of foundation pit protection. Groundwater treatment should be given due attention in the construction of foundation pit.