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0→初应力→1.05con(持荷2min)→0.9con→con(锚固) 0→初应力→0.9con→con(锚固)1.05con→(持荷2min) 0→初应力→0.9con→1.05con(持荷2min)→con(锚固) 0→初应力→0.9con→con(锚固)→1.05con(持荷2min)
0→102%σcon 0→103%σcon 0→105%σcon→σcon 0→104%σcon
13A23A 23A13B 13A23B 13B23A
0→105%σcon (持荷2mi→σcon ) 0→103%σcon(持荷2mi→σcon ) 0→110%σcon (持荷2mi→σcon) 0→105%σcon
0→初应力→1.03σcon(锚固) 0→初应力→σcon(持荷5min锚固) 0→初应力→1.05σcon(持荷5min)→0→σcon(错固) 0→初应力→初应力→1.05σcon(持荷5min)→0.9σcon→σcon(锚固)
0→初应力→1.03σcon(锚固) 0→初应力→σcon(持荷5min锚固) 0→初应力→1.05σcon(持荷5min)→0→σcon(锚固) 0→初应力→1.05σcon(持荷5min)→0.9σcon→σcon(锚固)
0→105%σcon (持荷2min)→σcon 0→103%σcon(持荷2min)→σcon 0→110%σcon (持荷2min)→σcon 0→105%σcon
13A23A 23A13B 13A23B 13B23A
0→102%σcon 0 →103%σcon 0→105%σcon→σcon 0 →104%σcon
0—-→1.03бcon 0-—→1.03бcon-—→бcon 0—-→1.05бcon 0-—→1.05бcon-—→бcon
Because of fast-paced life. Because people like snacks to go with coffee. To follow the US "coffee to go" trend. Because it is part of everyday life in many other countries.
0→1.05σcon 0→1.03σcon 0→σcon 0→1.08σcon(持荷2分钟)→σcon