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Infrastructures, Volume 5, Issue 8

August 2020 - 8 articles

Cover Story: The article focuses on the problem of accurate measurement of ground settlements (“ground loss”) during the excavation of a metro tunnel in the historical center of Athens. Measurements on isolated high-rise buildings and slender chimneys (insets) indicate a high-amplitude, 3-D ground deformation, higher than those predicted to occur in the tunnel influence zone (shown in a Google Map background), while measurements on low-height buildings usually underestimate ground subsidence. This is because part of the deformation is accommodated by the internal deformation of buildings (static soil–structure interaction). Such underestimation of the ground subsidence may lead to costly failures during tunneling, including sinkholes. An analogous effect is observed in Venice: increased tilting in towers, but limited deformation of palazzos. View this paper
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Articles (8)

  • Article
  • Open Access
1 Citations
5,784 Views
19 Pages

The paper deals with selected technical problems related to the adaptation for new uses of the structure of existing post-industrial buildings from the turn of the 19th and 20th centuries. A major difficulty is the fact that the strength and geometri...

  • Article
  • Open Access
4,391 Views
14 Pages

This article describes development and confirmatory testing of a method to study the evaporation of a volatile solvent containing ignitable ingredients in an isolated subsurface structure, a type of confined space. Accidental spillage and surreptitio...

  • Article
  • Open Access
11 Citations
4,481 Views
20 Pages

Reliability Analysis of Intersection Sight Distance at Roundabouts

  • Said M. Easa,
  • Yang Ma,
  • Shixu Liu,
  • Yanqun Yang and
  • Shriniwas Arkatkar

This paper presents a reliability-based method for the design of intersection sight distance (ISD) at traffic roundabouts using the linear and nonlinear deceleration profiles of the entry vehicles. The reliability method is based on the first-order s...

  • Review
  • Open Access
48 Citations
7,148 Views
14 Pages

Review of Enzyme-Induced Calcite Precipitation as a Ground-Improvement Technique

  • Heriansyah Putra,
  • Hideaki Yasuhara,
  • Erizal,
  • Sutoyo and
  • Muhammad Fauzan

Calcite-induced precipitation methods (CIPMs) have recently become potential techniques in geotechnical engineering for improving the shear strength of sandy soil. One of the most promising methods among them is enzyme-induced calcite precipitation (...

  • Article
  • Open Access
7 Citations
6,063 Views
13 Pages

Ground settlement above urban tunnels is a threat for nearby buildings, because it may lead to their differential settlement, tilting, and damage, depending on their structural characteristics, on ground conditions, and on the excavation procedure. S...

  • Article
  • Open Access
32 Citations
7,780 Views
21 Pages

Lidar and other remotely sensed data such as UAV photogrammetric data capture are being collected and utilized for roadway design on an increasing basis. These methods are desirable over conventional survey due to their efficiency and cost-effectiven...

  • Article
  • Open Access
3 Citations
3,688 Views
10 Pages

In this paper, a piecewise-defined function is proposed to estimate traffic noise in urban areas. The proposed approach allows the use of the model even in the case of very low or zero flows for which the classical logarithmic form is not suitable. A...

  • Article
  • Open Access
12 Citations
4,655 Views
21 Pages

Generating meaningful inferences from crash data is vital to improving highway safety. Classic statistical methods are fundamental to crash data analysis and often regarded for their interpretability. However, given the complexity of crash mechanisms...

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Infrastructures - ISSN 2412-3811