晨枫 发表于 2016-5-20 21:05 1 B' s: _0 }& F s这是防白蚁危害的。也真是因为这些化学处理,我对CLT的长期安全性有怀疑,缓慢释放出来对人体不好。 ...
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For indoor air quality, CLT has been tested to determine the level ! i5 E% w( G0 @/ c6 ^& t) yand safety of the off gassing it produces. CLT glue lines were tested for- j* ^! D. d/ Q9 _( p, X
volatile organic compounds (VOCs), including formaldehyde emissions. & S1 W% S6 U U! \4 n6 |1 BThe VOCs as measured in a series of tests were found to be roughly one % T1 @. X1 L" f0 ?) A4 f% Bparts per billion (ppb), well under the standard of 50 ppb deemed to be " d- M9 N7 f4 l5 L+ E4 z2 Oa health hazard.5 h7 v) J. I1 ?6 e. q0 Z! C
石工 发表于 2016-6-2 15:293 B# M0 U1 L3 M8 ^0 d
For indoor air quality, CLT has been tested to determine the level0 Q* w2 k" h7 p5 e/ b
and safety of the off gassing i ...
5 @2 m4 v- F; y. Q- B. NCLT肯定是符合标准的,我只是对现行标准不大放心。treated wood在当年也是符合标准的。
晨枫 发表于 2016-5-18 23:015 k- D) |* I w, s V9 `7 x" s+ h& N
为什么不用呢?这又不是比武较劲。CLT的防潮防水据称不亚于钢结构或者钢混结构。 ...
" x( [ |+ J; T: K' B k: G见过一个游泳池的房顶梁用这种材料做然后靠墙的部分全部腐烂了。好像是水蒸汽在棚顶凝结然后流倒最底初聚集,从而腐烂低处。。所以我看,这种材料不像他们所宣称的那样。不过到是看到很多新建的游泳馆都在用这种材料。估计以后会出大问题的,那天塌了死几个人,人们才会禁止使用这种材料在可能集水的地方。
本帖最后由 fish97 于 2016-6-3 14:00 编辑 9 q+ F% H8 i' x8 d A6 Y
石工 发表于 2016-6-3 05:298 N( c# E0 Y% e+ d6 P# S. w- s& ^
For indoor air quality, CLT has been tested to determine the level# c, ~: ?: \- k; N7 J
and safety of the off gassing i ...
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0 d. j+ C0 Z5 q& @60年代这边还很时兴喷聚尿醛泡沫,后来就是因为有formaldehyd释放而弃用了。