Abstract: The interdependence of social and ecological systems has never been more apparent than it is in today's globalized society. Environmental problems can be addressed more effectively using a science–policy framework that considers ecosystem services. Such analyses, on the other hand, frequently fail to take into account the repercussions that are difficult to see up close but are crucial for long-term global stability. Environmental stewardship, which we call "ecosystem service burdens," has off-stage implications on biodiversity as well as ecosystem services that need to be better understood by ecosystem-services scientists. These are especially relevant since they are frequently unfavorable and can have a considerable impact on decisions about ecosystem management. Scientists can better understand the off-stage implications of ecosystem services by including new analytical methods, such as life cycle assessment or risk-based techniques into their work. Both the Intergovernmental Platform on Biodiversity and Ecosystem Services and also the Intergovernmental Panel on Climate Change must consider off-stage ecosystem service burdens in their evaluations of ecosystem health. In order to fully understand cross-scale interactions, it is essential to investigate off-stage loads more thoroughly.

Keywords: ecosystem services, biodiversity, global sustainability, environmental policy, off-stage repercussions, ecology burdens, accountability, climate change.

Title: Off-Stage Ecosystem Service Burdens: A Blind Spot for Global Sustainability

Author: Nikolaos N. Toumasis

International Journal of Novel Research in Civil Structural and Earth Sciences

ISSN 2394-7357

Vol. 9, Issue 2, May 2022 - August 2022

Page No: 16-20

Novelty Journals

Website: www.noveltyjournals.com

Published Date: 19-July-2022

Abstract: In this research work, the vibration reaction of a massless or massive raft foundation is investigated. The raft foundation is located on a homogeneous linear-elastic half space and faced to external dynamic loads. The elastic half space, signifying the medium of soil, is formulated by a semi analytical method in a complex response. Hence, this work is analyzed in time-domain by employing inversion fast Fourier transformation for impedance coefficients of subgrade soil. The foundation mat has to be discretized into a number of finite elements, which are combined with the corresponding sub regions of the elastic half-space through compatibility and equilibrium conditions. The proposed approach yields results which are in good agreement with those obtained in previous studies. Numerically works are shown to observe the influence of relative stiffness and aspect ratio of the foundation on the raft reaction.

Keywords: Dynamic loads, Elastic half space, Foundation, Semi analytical method, Semi rigid foundation, Vibration.

Title: Vibration of Semi Rigid Foundation Locating on Elastic Half Space

Author: Mohammad Shahiq Khan, Samir El-Naggar, Mohamed M. Soliman, Samir Shalaby, Saiful Islam

International Journal of Novel Research in Civil Structural and Earth Sciences

ISSN 2394-7357

Vol. 9, Issue 2, May 2022 - August 2022

Page No: 8-15

Novelty Journals

Website: www.noveltyjournals.com

Published Date: 17-May-2022

Abstract: The investigation of soil properties is vital in determining causes of building collapse in Nigeria today, but most times the geotechnical tests and analysis are neglected and site engineers are held responsible for the collapse. This paper seeks to investigate the soil properties of a collapse building site in order to emphasize the need for a geo-technical investigation as a vital tool in the built environment. Investigation of soil properties which includes sieve analysis, moisture content, specific gravity, Atterberg limits and shear strength were conducted on samples collected from the site. Two foundation bases were exposed (Base and Trial pits). Disturbed and undisturbed samples labeled Sample 1/1, Sample 2/1 and Sample 2/2 and recorded as Base 1, Trial pit 3 and Trial pit respectively were collected at the foundation depths of the exposed foundations by driving the sampler at various depths of 0.8m, 0.8m and 0.5m and tested. The soil’s silty nature and low bearing capacity of 36.37KN/m² as the investigation revealed was a major cause of the collapse and that the building collapse site was a made-up ground. There was no geo-technical investigation prior to the building construction. Other causes such as the used of sub-standard materials, poor construction quality, quackery and supervision boils down to the lack of soil investigation which has caused the building foundation to fail and has resulted to the collapse of the building.

Keywords: Building Collapse, Foundation, Atterberg Limit, Bearing Capacity.

Title: The Potential of Soil Properties in the Stability of Buildings a Case Study of Collapsed Building in Kwang Jos, Nigeria

Author: Ephraim Haruna Maude, Aliyuda Yohanna Adamu, Mbimda Ali Mbishida, Timothy Danjuma

International Journal of Novel Research in Civil Structural and Earth Sciences

ISSN 2394-7357

Vol. 9, Issue 2, May 2022 - August 2022

Page No: 1-7

Novelty Journals

Website: www.noveltyjournals.com

Published Date: 13-May-2022