JTG D62-2004(JTG D62
JTG D625.2.7T 1-1 kN1-2
kN 1-3kN 1-4 ,
TImmmm
, p>2.5p=2.5150mmMpa MPa
mm2
mmmm2
JTG D625.2.71 1-2
? .1-1 1-5
(1-6) 0.75 mm2 MPa
JTG D627.1.57.1.6
1 0.5fck2 0.65 fpk 0.8fpk3
, ,
JTJ023-85JTJ023-85
JTJ023-85JTJ02312%10.7%
JTG D62()JTJ023-85I()JTG D62)
()c()()cJTG D60-2004 () (2-1)
Sk SGik i SQ1k () SQjk ( )j
c ( ) ( )( )c=0.8( ) c=0.70 c=0.60 c=0.50
c=0.8 c=0.7 c=0.6
c1.0()()
MudMcr JTG D629.1.12 9.1.12
9.1.129.1.12 6.5.26BA9.1.12
1 JTG D629.1.12
GB50010-20029.5.3 JTG D629.1.12A
2 JTG D629.1.12,6.5.2-6 6.5.2-6 6.5.2-7
6.5.2-6 20~30%9.1.12 9.1.1.2
3
4
JTG D62 =1110%10%
B JTG D627.1.4B * 4-1
--- JTG D626.1.5- 2;JTG D62 6.1.5-5 --- Npo, ,JTG D627.1.4- 3--7.1.4-5
,conMG1k ( )Mk(4-1)
BMG1kB
4-2
MG1k Jn
4-2
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