Results 1 to 10 of about 629 (162)

Experimental Study on the Difference Mechanism of Shaft Resistance between Uplift Piles and Compressive Piles

open access: yesApplied Sciences, 2023
To study the formation mechanism of the lower shaft resistance of uplift piles compared to compression piles, the additional stress caused by uplift and compressive piles in the soil is obtained through indoor model tests with embedded micro earth ...
Hailong Ma   +3 more
doaj   +2 more sources

Rate effects from pile shaft resistance measurements

open access: yesCanadian Geotechnical Journal, 2008
To be able to properly analyse rapid load pile tests in clay soils (e.g., Statnamic) an understanding of the material’s behaviour at elevated shearing rates is required, as clays demonstrate nonlinear shearing resistance as the rate of shearing increases. To determine the relationship between pile resistance under static and elevated rates of loading,
Michael Brown
exaly   +3 more sources

Analysis of bearing mechanism of large-diameter under-reamed piles based on model tests. [PDF]

open access: yesPLoS ONE
Given the insufficient understanding of the bearing mechanism and failure modes of large-diameter under-reamed piles in complex strata, this study conducted scaled laboratory model tests based on similarity theory.
Jianhua Zhou   +4 more
doaj   +2 more sources

Transient unsaturated shaft resistance of a single pile during water flow [PDF]

open access: yesMATEC Web of Conferences, 2021
The pile foundations’ design is commonly based on the soil’s initial in situ condition during field investigations or the assumption of its saturated condition.
Santos Daniel Batista   +2 more
doaj   +1 more source

Method for Calculating Vertical Compression Bearing Capacity of the Static Drill Rooted Nodular Pile

open access: yesApplied Sciences, 2022
The static drill rooted nodular (SDRN) pile is a new kind of composite pile foundation made by inserting a precast nodular pile into the cemented soil.
Jing Guo, Guoliang Dai, Yue Wang
doaj   +1 more source

Considerations on an embedded pile’s effective length in an analytical calculation according to the commentary on the STN 73 1002 standard

open access: yesActa Polytechnica CTU Proceedings, 2023
The analytical model for calculating the bearing capacity of a pile, presented in the commentary to STN 73 1002 – Pile Foundations, gives a recommendation to reduce the pile’s length in the calculation of the shaft resistance.
Jakub Stacho, Monika Súľovská
doaj   +1 more source

THE RESEARCH OF THE VARIATION LAWS OF SETTLEMENT AND INTERNAL FORCE OF PILE GROUPS OF RAILWAY BRIDGE CAUSED BY PUMPING BRINE [PDF]

open access: yesCivil Engineering Journal, 2019
Taking Yingzigou Bridge of Dezhou-Dajiawa railway as the engineering background, the three-dimensional fluid-solid coupling models of pile group caps were established on the basis of five-stage field monitoring data of the settlement and groundwater ...
Guodong Li   +3 more
doaj   +1 more source

Technology and application of static drilling rooted geothermal energy pile

open access: yesShenzhen Daxue xuebao. Ligong ban, 2022
As a kind of building energy saving technology utilizing the shallow geothermal energy, energy pile is one of the ways to achieve the goal of reducing carbon emissions during building operation. Considering the shortcomings of construction technology for
FANG Pengfei   +7 more
doaj   +1 more source

Experimental Research Based on the Optical Fiber Sensing Technology for a Jacked PHC Pipe Pile Penetration Process

open access: yesAdvances in Civil Engineering, 2020
The aim of this work is to explore the influence of the end resistance and shaft resistance regarding the mechanism for jacked pile penetration and the load-transfer rule during the penetration process.
Songkui Sang   +3 more
doaj   +1 more source

Empirical Shaft Resistance of Driven Piles Penetrating Weak Rock [PDF]

open access: yesRock Mechanics and Rock Engineering, 2020
AbstractIn this paper, an empirical relationship between the Unconfined Compressive Strength (UCS) of intact rock and the unit shaft resistance of piles penetrating rock is investigated. A growing number of civil engineering projects are utilizing steel piles driven into rock where a significant portion of the pile capacity is derived from the shaft ...
John W. Barrett, Luke J. Prendergast
openaire   +2 more sources

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