Engineering Mechanics ›› 2018, Vol. 35 ›› Issue (S1): 126-133.doi: 10.6052/j.issn.1000-4750.2017.06.S022

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Experimental study on the seismic behavior of masonry wall with fiberglass geogrid

XU Chun-yi1, LU Biao1, YU Xi2   

  1. 1. School of Civil Engineering, Shenyang Jianzhu University, Shenyang, Liaoning 110168, China;
    2. Zhejiang Construction Co. Ltd of China Construction Eighth Engineer Division, Hangzhou, Zhejiang 311215, China
  • Received:2017-06-02 Revised:2018-01-15 Online:2018-06-30 Published:2018-07-11

Abstract: The mortar seam in the reinforced masonry is thick, which is not conducive to energy saving and heat preservation. The glass fiber grille geotextile is used to replace the horizontal bar in the reinforced masonry. It can effectively reduce the thickness of mortar ash seam, leading to convenient construction. In order to study the seismic performance of horizontal glass fiber reinforced concrete block wall, horizontal reinforced concrete block wall and non-reinforced concrete block wall, the four-link-rod loading system is used to carry out cyclic test. The failure characteristics and seismic performance of various types of walls are compared and analyzed. Test results show that the horizontal glass fiber grille can significantly improve the shear capacity, deformation capacity and ductility of the wall. Compared with the non-reinforced concrete block wall, the ultimate load increases by 75%, the ultimate displacement increases by 7.5 times, and the ductility coefficient is 3.61 times of that without reinforcement. Compared with the reinforced concrete wall, the seismic performance index is slightly smaller than the reinforced concrete wall. The construction of fiber grille in masonry horizontal ash joints can not only improve thermal performance of the thin cracks in masonry, but also significantly improve the seismic performance of masonry walls. It has good application prospects, with important theoretical value and practical significance to promote the masonry structure seismic and building energy saving.

Key words: glass fiber grill, reinforced masonry, seismic behavior, ductility analysis, autoclaved aerated concrete

CLC Number: 

  • TU352.11
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