Victor Froilano Bachmann de Mello

Burland, J. Alexis

doi:10.1680/geot.ob.8.0007

Cited by 2 publications

(5 citation statements)

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“…When the width of the building increases up to 10 m, the slope of the building does not change signi cantly. when the width increases from 10 m to 21 m, the slope increases, and structural damage to the building begins, which is in relatively good agreement with the criteria proposed by Burland et al (1977), Skempton and McDonald (1956). The tensile strain in relation to the width of the building has increased up to 21 m with a uniform slope, resulting in minor and aesthetic damage to the building.…”

Section: Discussionsupporting

confidence: 88%

“…[42]; [37] and [43]. Terzaghi (1938), Burland et al, (1977) and Skempton and MacDonald (1956) gave an allowable slope of 0.004 to avoid structural damage, which is in relatively good agreement with the results of numerical modeling. For buildings wider than 21 m to 35 m, the changes in building slope increased with less intensity and reached 0.00675, causing Type 4 structural damage to the building.…”

Section: Evaluation Of the Slopesupporting

confidence: 77%

“…Polshin and Tokar (1957) suggested that the maximum slope should be 1/500 for steel structures and 1/200 for concrete structures [41]. Burland, et al (1977) were of the opinion that a distortion from the vertical of 1/250 would subject the façade and appearance of the building to destructive effects [42]. Terzaghi (1938), like Burland et al (1977), recommended that the slope should be limited to less than 1/250.…”

Section: Settlement Evaluationmentioning

confidence: 99%

“…Burland, et al (1977) were of the opinion that a distortion from the vertical of 1/250 would subject the façade and appearance of the building to destructive effects [42]. Terzaghi (1938), like Burland et al (1977), recommended that the slope should be limited to less than 1/250. Skempton and MacDonald (1956) limited the slope to a value between 1/500 and 1/250.…”

Section: Settlement Evaluationmentioning

confidence: 99%

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The effect of masonry buildings' geometrical characteristics on their vulnerability caused by tunneling- induced settlement

Kolivand,

Daraei

2024

Preprint

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Tunnel construction in the urban area is often a challenge due to the presence of masonry buildings. The aim of this study is to investigate the effects of the geometric characteristics of masonry buildings, on the damage caused by tunneling using numerical simulations. The results show that the width of the building is a more important factor in controlling settlement and damage to the building than its length. The analysis of the building's deformation parameters shows that the differential settlements play a greater role in damage to building. Buildings with a width of less than 10 m suffer only minor damage due to small changes in differential settlement. For buildings with a width of more than 10 m and up to 35 m, the differential settlements increase considerably and cause structural damage. The analysis shows that as the width of the building increases, mainly due to a decrease in the stiffness of the foundation, the slope and angular distortion of the foundation increase and consequently the building damage increases. Buildings with a width of less than 10 m suffered only minor damage, while buildings with a width of more than 21 m suffered structural damage. Furthermore, the tilt of the building alone is not a good parameter for assessing building damage. The length of the building has no significant influence on building damage.

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Section: Discussionsupporting

confidence: 88%

Section: Evaluation Of the Slopesupporting

confidence: 77%

Section: Settlement Evaluationmentioning

confidence: 99%

Section: Settlement Evaluationmentioning

confidence: 99%

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The effect of masonry buildings' geometrical characteristics on their vulnerability caused by tunneling- induced settlement

Kolivand,

Daraei

2024

Preprint

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“…The adoption of piled raft foundations concept in the design of pile groups is by no means new, and has been described by several authors, including Zeevaert (1957), Davis andPoulos (1972), Hooper (1973), Burland et al (1977), Katzenbach and Reul (1997), Prakoso andKulhawy (2000), andReul andRandolph (2003), among many others. In the early years, because of the limited availability of computers memory and processing speed, the use of numerical methods was confined to simple problems.…”

Section: Introductionmentioning

confidence: 99%

Experimental Observations on the Behavior of a Piled Raft Foundation

Al-Mosawi,

Fattah,

Al-Zayadi

2011

jcoeng

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The piled raft is a geotechnical composite construction consisting of three elements: piles, raft and soil.In the design of piled rafts, the load shared between the piles and the raft, and the piles are used up to aload level that can be of the same order of magnitude as the bearing capacity of a comparable singlepile or even greater. Therefore, the piled raft foundation allows reduction of settlements in a veryeconomic way as compared to traditional foundation concepts.This paper presents experimental study to investigate the behavior of piled raft system in sandysoil. A small scale “prototype” model was tested in a sand box with load applied to the system througha compression machine. The settlement was measured at the center of the raft, strain gages were usedto measure the strains and calculate the total load carried by piles. Four configurations of piles (2x1,3x1, 2x2 and 3x2) were tested in the laboratory, in addition to rafts with different sizes. The effects ofpile length, pile diameter, and raft thickness on the load carrying capacity of the piled raft system areincluded in the load-settlement presentation.It was found that the percentage of the load carried by piles to the total applied load of thegroups (2x1, 3x1, 2x2, 3x2) with raft thickness of 5 mm, pile diameter of 9 mm, and pile length of 200mm was 28% , 38% , 56% , 79% , respectively. The percent of the load carried by piles increases withthe increase of number of piles.

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Victor Froilano Bachmann de Mello

Cited by 2 publications

References 0 publications

The effect of masonry buildings' geometrical characteristics on their vulnerability caused by tunneling- induced settlement

The effect of masonry buildings' geometrical characteristics on their vulnerability caused by tunneling- induced settlement

Experimental Observations on the Behavior of a Piled Raft Foundation

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