A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experimental Study on Seismic Behavior of Masonry Walls Strengthened by Reinforced Mortar Cross Strips
Due to the poor seismic performance, strengthening of masonry structures is always a significant problem worthy to study. It has been proven that the bearing capacity of existing masonry buildings can be enhanced greatly with efficient strengthening measures. An experimental program was conducted to investigate seismic performance of un-reinforced masonry (URM) walls strengthened by reinforced mortar (RM) cross strips. Eleven walls were tested under horizontal low-cyclic load, simultaneously with a vertical constant load on the top face. Three URM walls were tested as reference. The other eight walls were externally strengthened with 40 and 60 mm thick of RM cross strips on one or both faces. Test results showed that externally strengthening with RM cross strips was an efficient way to enhance the seismic performance of URM walls. The failure modes were divided into shear failure and shear-compression failure. All the tested walls did not collapse until the test ended, while many diagonal cracks and few vertical cracks appeared on mortar strips. After strengthening, the shear capacity of the strengthened walls increased by at least 38.2%, and the reinforcement ratio was noted to be the key factor to influence the shear capacity with positive correlation. Besides, RM cross strips did improve deformation capacity greatly.
Experimental Study on Seismic Behavior of Masonry Walls Strengthened by Reinforced Mortar Cross Strips
Due to the poor seismic performance, strengthening of masonry structures is always a significant problem worthy to study. It has been proven that the bearing capacity of existing masonry buildings can be enhanced greatly with efficient strengthening measures. An experimental program was conducted to investigate seismic performance of un-reinforced masonry (URM) walls strengthened by reinforced mortar (RM) cross strips. Eleven walls were tested under horizontal low-cyclic load, simultaneously with a vertical constant load on the top face. Three URM walls were tested as reference. The other eight walls were externally strengthened with 40 and 60 mm thick of RM cross strips on one or both faces. Test results showed that externally strengthening with RM cross strips was an efficient way to enhance the seismic performance of URM walls. The failure modes were divided into shear failure and shear-compression failure. All the tested walls did not collapse until the test ended, while many diagonal cracks and few vertical cracks appeared on mortar strips. After strengthening, the shear capacity of the strengthened walls increased by at least 38.2%, and the reinforcement ratio was noted to be the key factor to influence the shear capacity with positive correlation. Besides, RM cross strips did improve deformation capacity greatly.
Experimental Study on Seismic Behavior of Masonry Walls Strengthened by Reinforced Mortar Cross Strips
Kun Dong (author) / Zheng-ang Sui (author) / Jitong Jiang (author) / Xianxiang Zhou (author)
2019
Article (Journal)
Electronic Resource
Unknown
Metadata by DOAJ is licensed under CC BY-SA 1.0
Experimental Study of Brick Masonry Walls Strengthened with Textile Reinforced Mortar
| Trans Tech Publications | 2014
Experimental Study of Brick Masonry Walls Strengthened with Textile Reinforced Mortar
| British Library Conference Proceedings | 2015
Experimental study of brick masonry walls strengthened with textile reinforced mortar
| BASE | 2014
Diagonal Compression of Masonry Walls Strengthened with Composite Reinforced Mortar
| Trans Tech Publications | 2019
Diagonal Compression of Masonry Walls Strengthened with Composite Reinforced Mortar
| British Library Conference Proceedings | 2019