外防内贴法在地下防水工程中的应用研究

发布时间：2018-04-16 08:39

本文选题：外防内贴法 + 外防外贴法　；参考：《长安大学》2017年硕士论文

【摘要】：地下工程防水可分为外防外贴法和外防内贴法两种。由于外防外贴法可以在地下室外墙两侧支模形成整体模板体系,因而有利于保证地下室外墙混凝土质量;而外防内贴法中地下室墙体一侧为砖胎模,另一侧为模板,两侧无法形成整体而不利于保证地下室外墙混凝土质量,所以一直以来,建筑界人士普遍认为地下工程防水首选外防外贴法,当外防外贴法不能用时才用外防内贴法。西安市鼎盛国际公寓工程,基坑东西南三侧场地狭小,无外防外贴法施工操作空间,且基坑东侧土壁局部沉陷、裂缝。在这样既无施工空间又有基坑坍塌危险的工程条件下,通过外防内贴法施工工艺,在原土钉墙支护的内侧砌筑砖墙作为地下室外墙的砖胎模,同时也作为防水层的保护墙和基坑土壁的挡土墙,从而成功地突破了工程施工难点,是外防内贴法施工工艺的一次完美体现。本文拟以西安市鼎盛国际公寓工程的工程条件为基础探究外防内贴法较外防外贴法的优缺点、适用范围,特别是在狭小空间及基坑支护有塌陷迹象的复杂工程条件下,应用外防内贴法的优越性,以期为同类工程提供参考和打破建筑界人士普遍认为外防外贴法优于外防内贴法的传统观念,最后开创性地提出改良后的外防内贴法供工程使用。
[Abstract]:Underground waterproofing can be divided into external protection and external external sticking method.Because the external external sticking method can form the integral formwork system on both sides of the basement exterior wall, it is advantageous to ensure the quality of the basement exterior wall concrete, but in the outside defense internal sticking method, the basement wall is brick tire mould, the other side is the template,It is difficult to form a whole on both sides, which is not conducive to ensuring the quality of concrete on the exterior wall of the basement. Therefore, the people in the construction circles generally think that the first method of external protection against external sticking is used in underground engineering, and when the method of external protection against external sticking can not be used, the method of external protection and internal sticking is used.In Xi'an Dingsheng International Apartments Project, the site of the east and west sides of the foundation pit is narrow, there is no space for construction operation by the external anti-sticking method, and the soil wall on the east side of the foundation pit is local subsidence and crack.Under the condition that there is neither construction space nor foundation pit collapse danger, the brick wall is built on the inner side of the original soil nailing wall as the brick tread form of the outer wall of the basement.At the same time, it is also used as the protective wall of waterproof layer and the retaining wall of soil wall of foundation pit, which has successfully broken through the construction difficulties of the project, and is a perfect embodiment of the construction technology of the method of external protection and internal sticking.Based on the engineering conditions of the Dingsheng International Apartments Project in Xi'an City, this paper intends to explore the advantages and disadvantages and the applicable scope of the method, especially under the complicated engineering conditions where the small space and the foundation pit support show the sign of collapse.In order to provide reference for similar projects and break the traditional idea that the external defense and internal sticking method is superior to the external defense internal sticking method, the author puts forward the improved method for the use of the engineering.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TU94;TU761.11

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