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嘉兴直螺纹钢筋机械连接时套丝长度与套筒长度具体规定 |
|
钢筋直径d
(mm) |
套筒外径D
(mm) |
套筒长度l
(mm) |
螺纹尺寸
（mm）
|
套筒重量
（kg） |
|
Z |
B |
|
12 |
18 |
32 |
M13*2.0 |
M12.5*2.0 |
0.03 |
|
14 |
21 |
36 |
M15*2.0 |
M14.5*2.0 |
0.05 |
|
16 |
23 |
42 |
M17*2.0 |
M16.5*2.0 |
0.07 |
|
18 |
28 |
46 |
M19*2.5 |
M18.5*2.5 |
0.13 |
|
20 |
30 |
50 |
M21*2.5 |
M20.5*2.5 |
0.15 |
|
22 |
33 |
54 |
M23*2.5 |
M22.5*2.5 |
0.19 |
|
25 |
38 |
62 |
M26*2.5 |
M25.5*3.0 |
0.30 |
|
28 |
43 |
68 |
M29*3.0 |
M28.5*3.0 |
0.43 |
|
32 |
48 |
76 |
M33*3.0 |
M32.5*3.0 |
0.58 |
|
36 |
53 |
84 |
M37*3.0 |
M36.5*3.0 |
0.93 |
|
40 |
60 |
92 |
M41*3.0 |
M40.5*3.0 |
1.25 |
|
50 |
77 |
114 |
|
M50.5*3.5 |
2.37 |
|
钢筋直径d
(mm) |
屈服强度
(Mpa) |
抗拉强度
(Mpa) |
均匀延伸率
δsgt % |
非弹性变形(mm) |
反复拉、压性能 |
破坏形态 |
|
16 |
437 |
633 |
21.0 |
0.03 |
Passed |
Bar Break |
|
18 |
477 |
647 |
20.3 |
0.04 |
Passed |
Bar Break |
|
20 |
452 |
617 |
19.0 |
0.04 |
Passed |
Bar Break |
|
22 |
442 |
595 |
20.0 |
0.04 |
Passed |
Bar Break |
|
25 |
445 |
608 |
19.7 |
0.04 |
Passed |
Bar Break |
|
28 |
422 |
624 |
18.7 |
0.05 |
Passed |
Bar Break |
|
32 |
445 |
630 |
17.0 |
0.05 |
Passed |
Bar Break |
|
36 |
423 |
600 |
17.0 |
0.05 |
Passed |
Bar Break |
|
40 |
487 |
660 |
9.0 |
0.06 |
Passed |
Bar Break | | |
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