- 专题资料:
- 大连理工大学
- 北京科技大学
- 专题制作:
- 国家材料环境腐蚀平台
联系我们
-
电话: 010-82387968 -
邮箱: shujushenqing@126.com -
地址: 北京市海淀区学院路30号 -
邮编: 100083
- 混杂纤维
混杂纤维的4因素3水平表
配合比编号No. |
PP/% |
SF1/% |
SF2/% |
SF3/% |
总量/% |
减水剂/% |
1 |
(1)0.15 |
(1)0 |
(1)0 |
0 |
0.15 |
2.5 |
2 |
(1)0.15 |
(2)0.2 |
(2)0.2 |
0.2 |
0.75 |
2.5 |
3 |
(1)0.15 |
(3)0.4 |
(3)0.4 |
0.4 |
1.35 |
2.5 |
4 |
(2)0.30 |
(1)0 |
(2)0 |
0.4 |
0.90 |
2.5 |
5 |
(2)0.30 |
(2)0.2 |
(3)0.2 |
0 |
0.90 |
2.5 |
6 |
(2)0.30 |
(3)0.4 |
(1)0.4 |
0.2 |
0.90 |
2.5 |
7 |
(3)0 |
(1)0 |
(3)0 |
0.2 |
0.60 |
1.0 |
8 |
(3)0 |
(2)0.2 |
(1)0.2 |
0.4 |
0.60 |
1.0 |
9 |
(3)0 |
(3)0.4 |
(2)0.4 |
0 |
0.60 |
1.0 |
单掺一种纤维或不掺纤维的3组
混杂纤维混凝土中粉煤灰掺量
配合比编号No. |
粉煤灰/(kg/m3) |
减水剂/% |
纤维掺量(按混凝土体积计算)/% |
||||
PP |
SF1 |
SF2 |
SF3 |
总量 |
|||
F11 |
100 |
2.5 |
0.3 |
0 |
0.2 |
0.4 |
0.9 |
F51 |
50 |
2.5 |
0.3 |
0 |
0.2 |
0.4 |
0.9 |
F01 |
0 |
2.5 |
0.3 |
0 |
0.2 |
0.4 |
0.9 |
F12 |
100 |
2.5 |
0.15 |
0.2 |
0.2 |
0.2 |
0.75 |
F52 |
50 |
2.5 |
0.15 |
0.2 |
0.2 |
0.2 |
0.75 |
混杂纤维各项性能指标
每组试件的纤维掺量
组别 |
PP |
SF2 |
SF3 |
总量 |
|
C1 |
0 |
0.2 |
0.2 |
0 |
0.4 |
C2 |
0 |
0.2 |
0.4 |
0 |
0.6 |
C3 |
0 |
0.4 |
0.2 |
0 |
0.6 |
C4 |
0 |
0.4 |
0.4 |
0 |
0.8 |
C5 |
0.15 |
0.2 |
0.2 |
0 |
0.55 |
C6 |
0.15 |
0.2 |
0.4 |
0 |
0.75 |
C7 |
0.15 |
0.4 |
0.2 |
0 |
0.75 |
C8 |
0.15 |
0.4 |
0.4 |
0 |
0.95 |
C9 |
0 |
0 |
0 |
0 |
0 |
C10 |
0 |
0 |
0 |
0.6 |
0.6 |
纤维混凝土的工作性和基本力学性能
组别 |
容重/ (kg/m3) |
坍落度 /mm |
fc/MPa |
fspl/MPa |
SP/% |
C1 |
2418(0.4%) |
160 |
72.7(0.6%) |
4.97(5.7%) |
2.5 |
C2 |
2422(0.4%) |
140 |
76.0(0.6%) |
5.29(3.7%) |
2.5 |
C3 |
2431(0.4%) |
110 |
76.0(1.2%) |
5.37(10.8%) |
2.5 |
C4 |
2436(0.4%) |
140 |
76.6(3.9%) |
5.78(8.2%) |
2.6 |
C5 |
2399(0.3%) |
100 |
74.4(4.3%) |
5.58(5.4%) |
3.0 |
C6 |
2410(0.2%) |
75 |
71.2(6.2%) |
5.98(3.2%) |
3.0 |
C7 |
2407(0.5%) |
40 |
72.8(2.0%) |
6.11(5.0%) |
3.0 |
C8 |
2410(0.4%) |
30 |
73.7(3.3%) |
6.53(5.4%) |
3.0 |
C9 |
2389(0.4%) |
150 |
68.0(0.6%) |
4.34(2.5%) |
2.0 |
C10 |
2441(0.6%) |
200 |
80.8(2.0%) |
6.77(1.9%) |
2.5 |
混杂纤维混凝土在承载范围内峰值荷载前的特性
组别 |
L5(N) |
L1(N) |
Lp(N) |
CMODp(m) |
C1 |
4730,5020,4200 |
3910,3850,3600 |
4740,5150,4590 |
48,60,32 |
均值 |
4650(8.9%) |
3787(4.3%) |
4827(6.0%) |
|
C2 |
4450,4520,5670 |
3920,3890,5570 |
4560,4680,5760 |
60,31,62 |
均值 |
4880(14%) |
4460(22%) |
5000(13.2%) |
|
C3 |
5480,5680,6360 |
5160,5460,6150 |
5520,6090,6510 |
46,879,71 |
均值 |
5840(7.9%) |
5590(9.1%) |
6040(8.2%) |
|
C4 |
5390,5670,6250 |
5740,5410,6610 |
5890,5720,6920 |
314,60,375 |
均值 |
5570(7.6%) |
5920(10%) |
6177(10.5%) |
|
C5 |
5790,5520,5940 |
5140,5190,5610 |
5910,5690,6010 |
56,42,46 |
均值 |
5743(3.6%) |
5313(4.8%) |
5870(2.8%) |
|
C6 |
5730,4650,6030 |
5670,4320,5510 |
5850,4730,6160 |
70,56,45 |
均值 |
5470(13.3%) |
5167(14.3%) |
5580(13.5%) |
|
C7 |
5370,6330,5750 |
5070,6120,5390 |
5620,7740,5840 |
1000,841,64 |
均值 |
5817(8.3%) |
5527(9.7) |
6400(18.2%) |
|
C8 |
5650,5450,5700 |
6400,5660,5830 |
8080,5740,7510 |
770,108,660 |
均值 |
5600(2.4%) |
5963(6.5%) |
7110(17.2%) |
|
C9 |
5130,4260,4470 |
3610,3010,3010 |
5250,5000,4530 |
40,28,34 |
均值 |
4620(9.8%) |
3210(10.8%) |
4927(7.4%) |
|
C10 |
4630,5310,4520 |
5220,5750,4720 |
5740,5850,4990 |
645,86,225 |
均值 |
4820(8.9%) |
5230(9.8%) |
5527(8.5%) |
挠度-CMOD线性关系斜率