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http://dx.doi.org/10.14190/JRCR.2014.2.3.255

Analysis of the Cause of Waterleakage in Residential Apartment Underground Parking Ground and the Review of the Repare Methods  

Oh, Sang-Keun (Architectural Engineering, Seoul National University of Science and Technology)
Choi, Sung-Min (Institute of Construction Technology, Seoul National University of Science and Technology)
Song, Je-Young (BK Institute of Waterproofing & Anticorrosion Tech Corp.)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.2, no.3, 2014 , pp. 255-264 More about this Journal
Abstract
This study analyzes the cause and the repairing method of water leak by parts of basement parking lot which is recorded to have a high defect frequency in apartment buildings. It has been assessed that the cause of water leakage on the first floor upper substrate is due to such factors as landscaping and weights. During construction or through other cases, it has been determined that cracks were produced in the apartment structure because the structure was weak and exposed to the effects of the substrate movement. The base floor and underground external walls are areas that are exposed to water pressure (uplife pressure), thus in normal cases the rear surface repair of the structure using sythetic rubberized polymer gel should be considered as an effective method. However, in cases where application of waterproofing layer is required in the structure due to high water pressure, using asystolic cement milk grout to form the waterproofing layer and applying water-swelling acrylic material into the cracked areas is considered to be highly effective.
Keywords
A water leak; Underground Structure; Water leak repair; Injection Method; Waterproofing; Uplife Pressure;
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