SEAHIVE® Solutions to Mitigate Bridge Scour – Phase II

Naznni, Antonio; Barbarigos, Landolf

i

SEAHIVE® Solutions to Mitigate Bridge Scour – Phase II

2025-10-15
By Naznni, Antonio ; Barbarigos, Landolf

File Language:

English

Details

Creators:

Naznni, Antonio ; Barbarigos, Landolf
Corporate Creators:

University of Miami
Corporate Contributors:

CREATE - Coastal REsearch And Transportation Education ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
Subject/TRT Terms:

Bridge Design Bridge Foundations Concrete Erosion Glass Fiber Reinforced Concrete Scour
Publication/ Report Number:

2301-3
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Project Report 6/01/2024-05/31/2025
Corporate Publisher:

CREATE - Coastal REsearch And Transportation Education
Abstract:

This study investigates the structural performance of internally prestressed concrete (PC) SEAHIVE® units as part of an ongoing effort to mitigate bridge scour and improve coastal resilience with green-gray technologies. Unlike Phase I of this research, which focused on wet-cast and externally wrapped dry-cast concrete SEAHIVE® units tested under pure compression and four-point bending, the present work introduces internal pre-tensioned GFRP reinforcement to improve mechanical characteristics and serviceability by delaying crack formation and decreasing their width. PC SEAHIVE® units were designed and fabricated with six GFRP bars to provide adequate prestress. The experimental program comprised standardized material characterization and full-size structural testing, including four-point bending of perforated SEAHIVE® elements. Results demonstrated that pretensioning effectively increased the cracking load, delayed diagonal cracking, and reduced crack widths, particularly at midspan where prestress transfer was fully developed. Finite element simulations using Abaqus Concrete Damaged Plasticity (CDP) models further validated the observed behaviors and were able to capture flexure–shear cracking patterns while highlighting the influence of perforations.
Format:

PDF
Funding:

69A3552348330
Collection(s):

University Transportation Centers
Main Document Checksum:

urn:sha-512:44933e5b8c646a124ff03b63ba613aba468c631654b22788f9eb31c406d4092336a4da7e0bc906c499cb19f22da2298ac4637148001aa0c36a770516fd62cc97
Download URL:

https://rosap.ntl.bts.gov/view/dot/88182/dot_88182_DS1.pdf
File Type:

[PDF - 4.63 MB ]

File Language:

English

ON THIS PAGE

Details

ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.