Results 1 to 10 of about 20,688 (277)

Reliability analysis of the cast-in-place bored pile with different defects

open access: yesFrontiers in Built Environment
The defects of the cast-in-place bored piles heavily influence their integrities and bearing capacities. The bearing capacity and reliability index of the cast-in-place bored piles with different defects were studied using the finite element method.
Hua Yao   +3 more
doaj   +2 more sources

A Method for Detecting Cast-in-Place Bored Pile Top Surface Based on Full Waveform Inversion

open access: yesBuildings
Real-time monitoring of the pile foundation pouring status is the key to ensuring the quality and reliability of cast-in-place bored pile foundation structures.
Ming Chen   +6 more
doaj   +2 more sources

Study on the Vibration Influence Law of Bored Cast-in-place Pile Construction on Existing Strata and Pipe Trenches

open access: yesChengshi guidao jiaotong yanjiu
[Objective] The rotary drilling process of bored cast-in-place piles will cause vibration to the existing underground buildings and structures. Therefore, it is necessary to study the vibration response of the strata and structures caused by the rotary ...
NIE Peng
doaj   +2 more sources

An Application of BOTDR to the Measurement of the Curing of a Bored Pile

open access: yesApplied Sciences, 2021
In order to study the deformation of a bored pile during concrete curing, it is necessary to monitor the strain of the pile. In this paper, Brillouin optical time domain reflectometer (BOTDR) technology is used to monitor the pile strain during concrete ...
Lei Gao   +4 more
doaj   +1 more source

Stress Analysis of Screw-Bored Compaction Cast-in-Place Piles

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract Based on the current research status of screw-bored compaction cast-in-place piles (screw piles for short) and using ANSYS finite element software, in this research, a simulation analysis of the pile axial force and the side friction was conducted for three types of screw piles with different screw length ratios under vertical ...
Xianchao Zheng   +2 more
openaire   +1 more source

Model Test and Numerical Simulation Study on the Effect of Mudcake and Length-Diameter Ratio on the Bearing Capacity of Bored Cast-in-Place Piles

open access: yesAdvances in Civil Engineering, 2022
To study the effect of length-diameter ratio and mudcake on the bearing capacity of bored cast-in-place piles, the indoor model test and finite element numerical simulation method were used to carry out the loading test of piles under different mudcake ...
Peisheng Xi, Mengxuan Kan, Yang Liu
doaj   +1 more source

Experimental Study on Post-Grouting Pile Vertical Bearing Performance Considering Different Grouting Methods and Parameters in Cohesive Soil

open access: yesApplied Sciences, 2023
The selection of grouting methods and parameters significantly affects the improvement in the pile-bearing capacity of cast-in-place bored piles. This study proposes a comprehensive set of test methods for constructing model piles, performing grouting at
Jiaqi Zhang, Chunfeng Zhao, Yue Wu
doaj   +1 more source

Stability Investigation of Contiguous Replacement Piles.

open access: yesZanco Journal of Pure and Applied Sciences, 2023
Urbanization leads to increase lands cost which resulted in the construction of high towering vertically toward the sky and use underground for construction. Foundations of these structures need deep excavation. Anti-slide piles are a suitable option for
Hangaw Najm Ahmed ,Yousif Ismael Mawlood
doaj   +1 more source

Theoretical Analysis on the Vertical Bearing Characteristics of Pile Foundations Containing Sediment Defects

open access: yesLithosphere, 2022
Aiming at the situation that the bottom of the pile foundation contains sediment defects, the theoretical analysis of the vertical bearing characteristics of the pile foundation is carried out. Based on the load transfer mechanism of the pile-soil system
Binhui Ma   +6 more
doaj   +1 more source

Research on the Analytical Conversion Method of Q-s Curves for Self-Balanced Test Piles in Layered Soils

open access: yesApplied Sciences, 2022
An analytical conversion method was developed for the self-balanced test results of monopile bearing capacity in layered soils to realize the better applicability of the self-balanced test theory for the bearing capacity test of foundation piles.
Xiaoduo Ou   +5 more
doaj   +1 more source

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