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T形梁试验数据记录表工况疲劳试验粱号:8号Ca30时间:静载T形梁的初裂荷载为大约50kN取整体破坏荷载150kN取破坏荷载的43%—63%(65-95kN)作为疲劳荷载取95kN取30kN(95-65=30kN)为疲劳时力的振幅因此疲劳试验机压头持力为95kN(30/2+95=110kN为疲劳时最大力)o疲劳次数0静载,10000静载,50000静载,100000静载,300000静载,500000静载1000000静载,2000000如为破坏(
1.5mm裂缝)静载到破坏静载分5级加载,第1级为30kN其余4级为20kN直至加载到llOkN为止,每次加载时间至少为3min加载速率为
0.5kN/s通过压力计算得传感器上部承压板重约15kN百分表测位移(挠度),精度
0.01mm.序号疲劳加载次数力(kN)钢筋应变(10-6)位移mm位移mm裂缝1支座压2场压3跨中拉4跨中压5地拉6支座拉疲劳0残余000000001030-1-
44284900.
461.22020500-
897273911.
732.
680.1030702-
134121010732.
994.
430.2040904-
177161119054.
426.
050.25501107-
181202635056.
107.
940.30疲劳10000残余
8414358461.
742.
520.2061000030-2-4824123-
20.
761.
050.2571000050-2-9058864-
31.
872.
330.3081000070-3-136938105-
42.
903.
550.3591000090-2-1821268153-
13.
894.
680.401010000110-1-
223159919904.
985.
720.50序号疲劳加载次数力(kN)123456位移mm位移mm裂缝疲劳50000残余-3-2-20-
1000.
3200.25115000030-3-5024822-
30.
721.
060.30125000050-6-10259258-
61.
862.
350.35135000070-6-152947101-
32.
933.
560.40145000090-6-2001280144-
43.
954.
660.501550000110-6-2411613189-
45.
045.
680.55疲劳100000残余-5-4-12-8-
20.
040.
080.251610000030-14-552641-
50.
781.
140.251710000050-20-11362125-
72.
052.
500.351810000070-28-18396952-
133.
183.
790.401910000090-33-247130586-
163.
404.
980.5020100000110-39-3001632122-
185.
516.
030.60疲劳300000残余-40-24-14-78-
180.
0200.3021300000300-
502702470.
921.
180.402230000050-4-
1276235992.
222.
570.452330000070-1-
2079739783.
393.
820.502430000090-2-
275130913774.
404.
930.5525300000110-3-
327164017785.
285.
900.65疲劳500000残余-92-4-
340.
2900.3526500000304660002750000050序号疲劳加载次力kN123456位移残余裂缝数mm位移mm2850000070295000009030500000110疲劳1000000残余31100000030321000000503310000007034100000090351000000110疲劳2000000残余36200000030372000000503820000007039200000090402000000110序号疲劳加载次数力(kN)混凝土应变(10-6)混凝土应变(10-6)左1左2左3左4右1右2右3右4123456疲劳0残余000000000000001030-4281699-51-9232534224175778232050-95147284-118-23384527692242426-81463070-161-1898388-182-4861154-28101788560-941894090-21843664520-250-5396163-94149119263213350450110-252189950740-258-63-74348-1622021609800831830疲劳10000残余-22117152114399-64187103112740124-23118861000030-47-3-59-41040-6700-2623971000050-79-2-118-17781-138160-33113881000070-105-2-180-340123-193350-23934691000090-139-3-238-52-8153-237550-2095321010000110-1770-293-61-7184-279770-128729疲劳50000残余210-258-7-14-20-431115000030-48-3-60-31043-6200-934125000050-80-7-129-101080-13115088100135000070-107-11-188-254128-186350132315145000090-138-15-244-42-2169-2315502885111550000110-178-14-298-55-8200-270770338703疲劳100000残余14023-3-16-10-2-6序号疲劳加载次数力(kN)左1左2左3左4右1右2右3右41234561610000030-62-5-6401352-759-17611710000050-100-10-129-51496-16726-581241810000070-128-18-198-228148-22546473371910000090-162-24-261-380195-2716614354420100000110-191-27-381-52-8236-30987262750疲劳300000残余-76-4299-252221322130000030-58-3-630848-844-117802230000050-97-10-1390978-17818-113102330000070-126-20-202-123130-24837-76802430000090-147-27-269-27-3183-30056-28025300000110-177-35-318-42-10229-34277-3130疲劳500000残余020120-1101720265000003027500000502850000070295000009030500000110疲劳1000000残余疲劳1000050000100000300000结束31100000030下挠
1.
101.
291.
411.
862.713210000005033100000070序号疲劳加载次数力(kN)左1左2左3左4右1右2右3右412345634100000090351000000110疲劳2000000残余36200000030372000000503820000007039200000090402000000110静载。