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Load-settlement rules and calculation of foundation piles in karst cave

JIANG Wu-jun 1, YAN Ding-yuan 1, WANG Ming-ming 2, LI Yu 3, CHENG Hua-wei 2, JIANG Chong 3, CHENG Zhao 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017

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Author / responsible party
JIANG Wu-jun 1, YAN Ding-yuan 1, WANG Ming-ming 2, LI Yu 3, CHENG Hua-wei 2, JIANG Chong 3, CHENG Zhao 2
Publisher
Editorial Office of Chinese Journal of Geotechnical Engineering
Year
2017
ISSN
1000-4548
ISSN
1000-4548
Language
English
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In order to study the influence of the backfill characteristics of the large karst area on the load transfer of the pile foundation and to improve the safety and economy, considering the characteristics of the side friction resistance of the pile back and the pile in the large karst area, based on the exponential load transfer function, the method for calculating the load-settlement curves of backfill piles in large karst area is obtained. The method is verified by the existing research results and engineering examples. The results show that the proposed method is in good agreement with the actual project. Based on this method, the influence of parameters on the load- settlement curves of karst piles is analyzed. The results show that the load-settlement curves of pile foundation increase with the axial strain, particle size of gravel and pile parameter αb, and the ultimate bearing capacity of the piles increases with the increase of the axial strain and pile parameter αs and decreases with the increase of the particle size of gravel.

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APA 7

JIANG Wu-jun 1, Y. D. Y. 1. W. M. M. 2. L. Y. 3. C. H. W. 2. J. C. 3. C. Z. 2. (2017). Load-settlement rules and calculation of foundation piles in karst cave. https://doi.org/10.11779/CJGE2017S2017

MLA

JIANG Wu-jun 1, YAN Ding-yuan 1, WANG Ming-ming 2, LI Yu 3, CHENG Hua-wei 2, JIANG Chong 3, CHENG Zhao 2. "Load-settlement rules and calculation of foundation piles in karst cave." 2017. https://doi.org/10.11779/CJGE2017S2017.

Chicago

JIANG Wu-jun 1, YAN Ding-yuan 1, WANG Ming-ming 2, LI Yu 3, CHENG Hua-wei 2, JIANG Chong 3, CHENG Zhao 2. 2017. "Load-settlement rules and calculation of foundation piles in karst cave.". https://doi.org/10.11779/CJGE2017S2017.

Harvard

JIANG Wu-jun 1, Y. D. Y. 1. W. M. M. 2. L. Y. 3. C. H. W. 2. J. C. 3. C. Z. 2. 2017, Load-settlement rules and calculation of foundation piles in karst cave, Editorial Office of Chinese Journal of Geotechnical Engineering, available at: https://doi.org/10.11779/CJGE2017S2017 [Accessed 8 Aug. 2026].

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Title
Load-settlement rules and calculation of foundation piles in karst cave
Author / contributors
JIANG Wu-jun 1, YAN Ding-yuan 1, WANG Ming-ming 2, LI Yu 3, CHENG Hua-wei 2, JIANG Chong 3, CHENG Zhao 2
Publisher
Editorial Office of Chinese Journal of Geotechnical Engineering
Publication year
2017
ISSN
1000-4548
ISSN
1000-4548
Language
English

Subjects

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backfill; load transfer method; ultimate bearing capacity; parameter analysis
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