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ߣhengkeԴӱh(hun)Ƽ޹˾r(sh)g2020-12-02 08:27L
AʽsmСˮˮԴɢõѭh(hun)sˮϵy(tng)ʹʮ`㡣СsD(zhun)ʽˮϵy(tng)Y(ji)(gu)(jin)ˮM(jn)һssù̶ˮϵy(tng)M(jn)һwķ(wn)
sҪ(sh)

Aʽs(sh)

mСˮˮԴɢõѭh(hun)sˮϵy(tng)ʹãʮ`㡣

 f 

      1(bio)(zhn)O(sh)Ӌ(j)rض31.5ض28≺99400PaM(jn)ˮض42ˮض32

      2ӯBʽЧAϵxãʹԓs_(d)Y(ji)(gu)oռeС`O(sh)Ӌ(j)Ŀ

      3ÙC(j)ͿոY(ji)(gu)ֱeD(zhun)̈́(dng)L(fng)C(j)~Ƭʹԓsй(ji)@c(din)

      4•sM(jn)L(fng)ڼ^(q)O(sh)øЧbʹͬ(j)esЧ_(d)5dB(A)

      5ߏ(qing)FRPY(ji)(gu)ԓsϵđ(yng)ʹз܃(yu)ʹÉL@(yu)c(din)

      6СsD(zhun)ʽˮϵy(tng)Y(ji)(gu)(jin)ΡˮM(jn)һsܣsù̶ˮϵy(tng)M(jn)һwķ(wn)

      7D(zhun)ʽˮϵy(tng)O(sh)Óˮb̶ʽˮϵy(tng)O(sh)ˮbʹshˮpʧ0.01%ԃ(ni)

      8AY(ji)(gu)xõĿL(fng)ܣ؄emغ_(ti)L(fng)؅^(q)ʹԓsO(sh)Ӌ(j)L(fng)_(d)0.75KN/m2

      9weСpY(ji)(gu)(jin)bSo(h)O麆(jin)ݷ㣻

DBNL3ϵе•sҪ(sh)

DBNL3ϵе•sҪ(sh)

f

1•(bio)(zhn)c(din)Dmy(c)ֱֵh(yun)A(ch)1.5׸ߣ(dng)С1.5וr(sh)ȡ    Dm=1.5ף

2ϵИ(bio)(zhn)O(sh)Ӌ(j)rضT=28M(jn)ˮضt1=37,ˮضt2=32棬ˮؽt=5ƽt2-T=4档

3гT=28r(sh)t=5漰8,t2=32T=27t=5漰8棬t2=32sˮxÕr(sh)(sh)sˮՈ(qng)

4M(jn)ˮָӹc(din)̎ˮ1Kgf/cm2=9.8×104Pa˱ϵˮ0.20.49Kgf/cm2֮g

 GBNL3ϵйI(y)sҪ(sh)

GBNL3ϵйI(y)sҪ(sh)

f 1ʹX݆pr(sh)(bio)(zhn)c(din)<72dB(A)ʹÄ(dng)pr(sh)(bio)(zhn)c(din)•ֵcֱ•sͬ 2гĝضT=28漰T=27sˮ乤r£(dng)ˮؽt=10r(sh)M(jn)ˮضt=43ˮضt2=33档(dng)ˮؽt=20漰25r(sh)M(jn)ˮضt1քe6055棬ˮضt2=35 3M(jn)ˮָӹc(din)̎ˮ1Kgf/cm2=9.8×104Paϵˮ0.30.5Kgf/cm2֮g

 

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