Abstract
The roof of the underground garage of project A in Q city has been designed with waterproofing and drainage system of the planted roof. In the process of construction, there are some quality problems. Through the use of PDCA quality management cycle method, the quality problems are investigated and analyzed. And the corresponding plans, implementation of countermeasures, consolidation measures are made, so that the quality problems can be finally resolved to achieve the desired goal.
Highlights
As one of the 10 new technologies in the construction industry of the 2017 edition of the Ministry of Housing and Urban-Rural Construction, the planting roof is based on the top plane of the underground garage and has the functions of waterproof, drainage, water storage, green space and heat insulation
In the event of leakage, it is not appropriate to look for the causes of leakage
The underground garage building area is 5448.18 square meters, and the roof of the underground garage adopts planted roof. Both the common waterproof layer and the root resistant waterproof layer of the roof are made of self-adhesive polymer waterproof membrane, combined with rigid waterproof structure board, to form a rigid and flexible composite waterproof system
Summary
As one of the 10 new technologies in the construction industry of the 2017 edition of the Ministry of Housing and Urban-Rural Construction, the planting roof is based on the top plane of the underground garage and has the functions of waterproof, drainage, water storage, green space and heat insulation. It can improve the urban ecological environment, alleviate the heat island effect, save energy and reduce emissions, and beautify the landscape. The design generally adopts structural waterproofing, membrane waterproofing, and combined waterproofing of seepage and drainage. The causes of leakage are related to the performance of building waterproofing, and related to the upper layer of soil cover, pouring mode, climate and other conditions [1,2,3]
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