EXPERIMENTAL STUDY ON SHEARING STRENGTH OF THE NEW COMPOSITE BLOCK MASONRY

He Mingsheng; Wang Yong; Xia Duotian; Fu Xiaojian; Shi Leiwei

doi:10.13204/j.gyjz201305020

Volume 43 Issue 5

Dec. 2014

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He Mingsheng, Wang Yong, Xia Duotian, Fu Xiaojian, Shi Leiwei. EXPERIMENTAL STUDY ON SHEARING STRENGTH OF THE NEW COMPOSITE BLOCK MASONRY[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 94-98. doi: 10.13204/j.gyjz201305020

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EXPERIMENTAL STUDY ON SHEARING STRENGTH OF THE NEW COMPOSITE BLOCK MASONRY

doi: 10.13204/j.gyjz201305020

1.
Water Conservancy and Architecture College,Shihezi University,Shihezi 832000,China

Received Date: 2012-07-25
Publish Date: 2013-05-20

Abstract

Abstract

The composite masonry of thermal-insulating lightweight concrete hollow block is a new type of structure with composite polystyrene(EPS) soil as its inner core and the lightweight concrete block as its external mould, because it makes the heat preservation and antiseism as a whole, so it suits to town building.In this paper, based on the experiment of 9 groups and 27 shear specimens, the laws of anti-shearing intensity and shear failure mechanism of the composite block masonry were analysed, it was analyzed the effects of different mixture proportions of inner core strength, different grouting ratio and different mortar strength on the shearing strength of composite block masonry.Meanwhile 1 group of shear specimens of baked brick and concrete perforated brick were made to compared with the new composite block;the results show that inner core strength is a major influence factor for masonry shearing strength, and mortar strength is weak for masonry shearing strength, at the same time, inner core strength is about 71% contribution for masonry shearing strength.In the end, the shearing intensity of the composite block masonry was higher than the soil brick and concrete porous brick.
- composite block masonry,
- shearing strength,
- experimental study,
- inner core,
- external mould

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References(7)

References

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[4] 眭小龙,何明胜,付小建.基于正交试验的 EPS 混合土抗压强度的研究[J].石河子大学学报:自然科学版,2011,29(2):253-256.

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