mСˮˮԴɢõѭh(hun)sˮϵy(tng)ʹãʮ`
f(shu)
1(bio)(zhn)O(sh)Ӌ(j)rض31.5ض28棬≺99400PaM(jn)ˮض42棬ˮض32
2ӯBʽЧA(zhun)ϵxʹԓ(li)s_(d)Y(ji)(gu)oռeС`O(sh)Ӌ(j)Ŀģ
3ÙC(j)ͿոY(ji)(gu)ֱeD(zhun)̈́(dng)L(fng)C(j)~Ƭʹԓ(li)sй(ji)@c(din)
4sM(jn)L(fng)ڼ^(q)O(sh)øЧbʹͬ(j)esЧ_(d)5dB(A)
5ߏ(qing)FRPY(ji)(gu)ԓ(li)sϵđ(yng)ʹз܃(yu)ʹÉL(zhng)@(yu)c(din)
6СsD(zhun)ʽˮϵy(tng)Y(ji)(gu)(jin)ΡˮM(jn)һssù̶ˮϵy(tng)M(jn)һwķ(wn)
7D(zhun)ʽˮϵy(tng)O(sh)Óˮb̶ʽˮϵy(tng)O(sh)ˮbʹshˮpʧ0.01%?xn)?ni)
8AY(ji)(gu)xõĿL(fng)ܣemغ_(ti)L(fng)^(q)ʹԓ(li)sO(sh)Ӌ(j)L(fng)_(d)0.75KN/m2
9weСpY(ji)(gu)(jin)bSo(h)O麆(jin)ݷ
DBNL3ϵеsҪ(sh)
f(shu)
1(bio)(zhn)c(din)Dmy(c)ֱֵh(yun)A(ch)1.5ߣ(dng)С1.5וr(sh)ȡ Dm=1.5ף
2ϵИ(bio)(zhn)O(sh)Ӌ(j)rضT=28M(jn)ˮضt1=37,ˮضt2=32ˮؽt=5ƽt2-T=4
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)
f(shu) 1ʹX݆pr(sh)(bio)(zhn)c(din)<72dB(A)ʹÄ(dng)pr(sh)(bio)(zhn)c(din)ֵcֱsͬ 2гĝضT=28漰T=27sˮ乤r£(dng)ˮؽt=10r(sh)M(jn)ˮضt=43棬ˮضt2=33(dng)ˮؽt=20漰25r(sh)M(jn)ˮضt1քe6055ˮضt2=35 3M(jn)ˮָӹc(din)̎ˮ1Kgf/cm2=9.8×104Paϵˮ0.30.5Kgf/cm2֮g