Estimation of lateral load capacity of rigid short piles in sands using cpt results article pdf available in journal of geotechnical and geoenvironmental engineering 61 january 2010 with. The strategy for pile testing needs to be established at the time the piles are being designed. Arch bridges transfer significant lateral loads to foundations, so lateral load test on two fullscale rc bored piles has been performed on site to prove actual load capacity of the pile soil system. The pile is modeled with structural beam elements and can be assigned either linearelastic or elasticperfectly plastic material properties.
Lateral test implementation process the ultimate goal of the lateral test is to confirm the design assumption and load capacity of the pile. Arch bridges transfer significant lateral loads to foundations, so lateral load test on two fullscale rc bored piles has been performed on site to prove actual load capacity of the pilesoil system. Laterally loaded pile groups have a group efficiency less than 1. The experiments are carried out with varying size, spacing of piles in group and length to diameter ratio ld of the piles.
In the load test program vertical and lateral loading tests were performed to study the efficiency of this type of piles. Investigation of lateral load resistance of laterally. Lateral capacity of pile groups the lateral deflection of a pile group is typically 2 to 3 times larger than the deflection of a single pile. Two types of tests namely initial and routine tests, for each type of loading viz.
Introduction lateral load performance and design of pin piles yresults of lateral load tests including load and deflection ycomparison of lateral tests results to predictions using lpile, navfac, and characteristic load method clm ycombined stresses yoptions for increasing lateral resistance yanalysis for battered piles the intent is to demonstrate that micropiles and. It is essential to seek expert advice for these types of pile test. Pdf lateral load test of reinforced concrete bored piles of. Lateral resistance of pile is a function of shape, size, spacing and length to di. Arch bridges transfer significant lateral loads to. Integrity tests and horizontal load tests of piles in a slope. Piles in trailing rows of pile groups have significantly less lateral load resistance than piles in the lead row. Photos of a lateral load testing program on steel pipe piles near the san francisco oakland bay bridge, in 1994. This corresponds to a lateral load per pile of 35 kips, which exceeds typical design loads for hp 10 x 42 piles by a factor of three to four. Lateral load capacity of piles transportation research board. In this study the lateral capacity of the mini pile.
Piles are often required to resist lateral loads and. According to eurocode 7 8, every pile foundation design should be based on the results of a static load test. Chapter 5 allowable loads on a single pile section i. For most projects the main purpose of pile testing is either to validate the. Davisson, department of civil engineering, university of illinois, urbana pile foundations usually find resistance to lateral loads from a passive soil resistance on the face of the cap, b shear on the base of the cap, and c passive soil resistance against the pile shafts. Pdf lateral load test of reinforced concrete bored piles. Load test on piles methods of pile load test load tests on piles are conducted on completion of 28 days after casting of piles. Pdf a new reinforced concrete arch bridge called eye has been constructed in skopje. Modelling of a lateral load test on piles using simplified. Lateral load testing of model piles, phase 1 mpc9660. In order to measure the pile response to the lateral loads, the test pile was instrumented with 14 pairs of foil strain gages mounted at 3.
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