Basement wall masonry construction can use concrete filling block, air defense parts of the wall and whether the use of this material masonry?
Human defense can not, or else can not prevent, huh, huh
Basement wall masonry construction should not use the concrete valve 粻 crisp to save Qi Qi wrong wedge nitrogen blind gas block; underground air defense parts of the wall can not be used concrete filling block. These questions are designed to use the content, the construction workers according to map to do, can not be the main, their responsibility.
. it is possible. . air defense parts of the wall is relatively small, it should be possible. long-term immersion or frequent dry and wet parts; by the chemical environment long-term flooding or frequent wet and dry parts; by the chemical environment Erosion (such as strong acid, alkali) or high concentrations of carbon dioxide and other environments; block surface is often at 80 ℃ above the high temperature environment. The construction of the "construction management and practice" test center in 2011
