Load transfer and settlement of bored piles in Bangkok clay

By: Call Number: AIT Thesis no.GT-79-04 Contributor(s): Material type: SeriesSeries: Asian Institute of Technology. Thesis ; no. GT-79-04Publication details: Bangkok : Asian Institute of Technology, 1980Description: 163 pSubject(s): Online resources: Dissertation note: Thesis (M.Eng.) - Asian Institute of Technology, 1980 Summary: Five compression load tests on bored piles in Bangkok subsoils have been analyzed. The diameter of the piles varied from 0.80 to 1.50 m and their lengths from 23 to 45 m. Four piles were instrumented either with strain rods or strain gages. Analysis of the load tests was carried out with respect to both load transfer and settlement. The load transfer behavior was evaluated by means of a step integration technique, while for settlement a simplified method based on Mindlin's approach for subsurface loading within an elastic halfspace was selected. The results showed that load transfer increases rapidly with small movements of the pile and at shallower depths reaches a peak at a movement of about 3 mm. Most of the load was carried by shaft friction and even close to failure the load transmitted to the tip was less than about 20% of the total applied load. The computed elastic settlements agreed well with the observed values for the initial loading cycles, but at higher loads the residual settlements caused the total settlements to exceed the values obtained from elastic theory.
Tags from this library: No tags from this library for this title. Log in to add tags.
Star ratings
    Average rating: 0.0 (0 votes)
Holdings
Cover image Item type Current library Home library Collection Shelving location Call number Materials specified Vol info URL Copy number Status Notes Date due Barcode Item holds Item hold queue priority Course reserves
22-AIT Thesis (Replacement) Asian Institute of Technology Library AIT Publications AIT Thesis no.GT-79-04 (Browse shelf(Opens below)) 3 Available 30050120737910
20-AIT Publication Asian Institute of Technology Library AIT Publications AIT Thesis no.GT-79-04 (Browse shelf(Opens below)) 1 Available 30050120689830
40-Archives Asian Institute of Technology Library Archives AIT Thesis no.GT-79-04 (Browse shelf(Opens below)) 1 Available 30050160071147

A thesis submitted in the partial fulfilment of the requirement for the degree of Master of Engineering, School of Engineering and Technology

Thesis (M.Eng.) - Asian Institute of Technology, 1980

Five compression load tests on bored piles in Bangkok subsoils have been analyzed. The diameter of the piles varied from 0.80 to 1.50 m and their lengths from 23 to 45 m. Four piles were instrumented either with strain rods or strain gages. Analysis of the load tests was carried out with respect to both load transfer and settlement. The load transfer behavior was evaluated by means of a step integration technique, while for settlement a simplified method based on Mindlin's approach for subsurface loading within an elastic halfspace was selected. The results showed that load transfer increases rapidly with small movements of the pile and at shallower depths reaches a peak at a movement of about 3 mm. Most of the load was carried by shaft friction and even close to failure the load transmitted to the tip was less than about 20% of the total applied load. The computed elastic settlements agreed well with the observed values for the initial loading cycles, but at higher loads the residual settlements caused the total settlements to exceed the values obtained from elastic theory.

There are no comments on this title.

to post a comment.
คัดลอกแล้ว!