1A2B3D4D5C
6D7A8A9C10A
11A12D13C14C15B
16A17C18C19B20C
3D
(1)֧RA=RB=1/2qL
(2)ĵ|أM=RAL/2-1/2qL=1/4qL2-1/2qL1/4L=1/8qL2
6D
ͻָrͻnṹܵʄeʧȥȌԻʱֹ׃ͻ˽՟еȶ̶ȼַչͻͨСrʾ
12D
qĹҪDz֮ˮƽнAֱˮʔ]ӾԭAˮƽ߲?
ˮʉqҪDzĸֱ߲Ӳĸ̣߳ɿƵ֪r̡߳⣬ӾԭAˮƽ?
20C
GB50203-2002(3.0.2)uǰУ˷߳\ƫӦ?3Ĺ?
63߳\ƫ
LB(m) |
ƫ(mm) |
LB(m) |
ƫ(mm) |
L(B)30 |
5 |
60L(B)90 |
15 |
30L(B)60 |
10 |
L(B)90 |
20 |
1CDE2ADE3BCDE4ABDE5CD
6BD7BCDE8ACD9ABCE10BD
3BCD
ʩֳҪʩȫvֳڴnã?""D"ȫơ֪ơȫش¹ʼrơȫơʩơʩƽDĿGҪTD
5CD
HаҪʽУ
(1)ơʩEPC/Hа
(2)ƣʩHа(DB)
(3)-HаEP
(4)ʩHаPC
һ
ĿҪʩеĻHq̡̼ˮʩļҪ?1A414000)
ԑϲһEcеbڹ̵߅{nһPۺEԑtȻõܷˮ»x۶ΣνУڵһ䓽ǹ(ji)Ϊˮغ͵ᘋ
PשAļҪ?
ṹʩ͈ԘʩҪIJƱ䡢ʵԼȱݵ~ļҪģ֧?
S
1uСһ^՟ҷУһD?
һuẒ漴ҷyճãͬrԂrֹȥɰʹ汣ࡣԣu˲֙һ
ZuٷƽƽʹҷݞЧʸߣ?
2bе
ֶxۡa^ܡbˮ
Ʊཬע{ཬظʹ?
3СxـLҪͻg1212.5ˮɰĨĨɰǰøzˢˮϴĨҪԽṹӰϸСѿpɽdW\ˮɰĨяUgӦѿpĻëdI?5~20mm100~200mmVPˮˢһˮɰȻ12125ˮɰ2~3ͿĨܺȿ10~20mmĨ?
4ˮĵqȷ¾?%rƽݼ¶3%~15%rƽxֱݼ¶s15%ˮֱݼ߾ˮĺd㊺Y߷ӷˮĿƽxֱݼ¶s25%rȡֹĹ̶ʩ