英文学术报告范例 PPT
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structural applications are limited
Experimental Program
Table 1. Specimen Information of Each Group
Test series Specimen shape
Specimen size/mm
Conclusions
The prism pressive strength decreases because of the fiber addition.
The strain at peak stress is larger than that of matrix because of the fiber addition
UHTCC
Prism
40×40×160
Matrix
Prism
40×40×160
Specimen
number 9a 9a
Suffix representation
p40u p40m
Results
parison of compressive strength
Fig. 1. parison of prism compressive strength between UHTCC and matrix
A theoretical model is provide which is needed for modeling its mechanical behavior or for permitting its use in various structural applications.
感谢您的聆听!
The predicted curves are obtained by using the experimental strain value at peak stress instead of the fixed value of 0.002.
parison of compressive strength
Background
Numbers of studies carried out
➢ permeability and carbonation properties ➢ tensile and bending properties ➢ freeze-thaw properties
no uniform test available for the pressive properties
Experimental Study on pressive Properties of Ultrahigh Toughness Cementitious Composites
Layout
Background Experimental Program Experimental Results
➢ parison of compressive strength between UHTCC and matrix ➢ Comparison of strain at peak stress between UHTCC and
matrix
A theoretical stress-strain curve model Conclusions
Strain hardening branch: c1 c2 c
Horizontal branch: c3 c c3cc2(c30.2c20.8)
Descending branch: c3 c
0.2c
parison of stress-strain curves
The chart shows the parison between the predictions and the test data of UHTCC
Results
parison of strain at peak stress
Fig. 3. parison of strain at peak stress between UHTCC and matrix
Theoretical model
Ascending branch:c1c2
c3cc2(c30.2c20.8)
Experimental Program
Table 1. Specimen Information of Each Group
Test series Specimen shape
Specimen size/mm
Conclusions
The prism pressive strength decreases because of the fiber addition.
The strain at peak stress is larger than that of matrix because of the fiber addition
UHTCC
Prism
40×40×160
Matrix
Prism
40×40×160
Specimen
number 9a 9a
Suffix representation
p40u p40m
Results
parison of compressive strength
Fig. 1. parison of prism compressive strength between UHTCC and matrix
A theoretical model is provide which is needed for modeling its mechanical behavior or for permitting its use in various structural applications.
感谢您的聆听!
The predicted curves are obtained by using the experimental strain value at peak stress instead of the fixed value of 0.002.
parison of compressive strength
Background
Numbers of studies carried out
➢ permeability and carbonation properties ➢ tensile and bending properties ➢ freeze-thaw properties
no uniform test available for the pressive properties
Experimental Study on pressive Properties of Ultrahigh Toughness Cementitious Composites
Layout
Background Experimental Program Experimental Results
➢ parison of compressive strength between UHTCC and matrix ➢ Comparison of strain at peak stress between UHTCC and
matrix
A theoretical stress-strain curve model Conclusions
Strain hardening branch: c1 c2 c
Horizontal branch: c3 c c3cc2(c30.2c20.8)
Descending branch: c3 c
0.2c
parison of stress-strain curves
The chart shows the parison between the predictions and the test data of UHTCC
Results
parison of strain at peak stress
Fig. 3. parison of strain at peak stress between UHTCC and matrix
Theoretical model
Ascending branch:c1c2
c3cc2(c30.2c20.8)